CN102580360A

CN102580360A - Degassing equipment, fluid suction structure thereof and fluid suction head of fluid suction structure

Info

Publication number: CN102580360A
Application number: CN2012100302500A
Authority: CN
Inventors: 李明利; 李明春
Original assignee: XINLIDA PETROLEUM TECHNOLOGY DEVELOPMENT Co Ltd TIANJIN PORT BONDED AREA
Current assignee: XINLIDA PETROLEUM TECHNOLOGY DEVELOPMENT Co Ltd TIANJIN PORT BONDED AREA
Priority date: 2012-02-13
Filing date: 2012-02-13
Publication date: 2012-07-18
Anticipated expiration: 2032-02-13
Also published as: CN102580360B

Abstract

Degassing equipment, a fluid suction structure thereof and a fluid suction head of the fluid suction structure relate to an on-line degassing device for mud sucked in petroleum exploration drillings. A fluid suction head is provided with a fluid suction head body, and a fluid suction pipe portion is arranged on the fluid suction head body and is communicated with a fluid outlet of the fluid suction head body to suck mud; the fluid suction pipe portion is connected with a fluid inlet of the hose pump to feed the mud into the hose pump; and the fluid suction head body is provided with a fluid feed filter end plate for filtering the mud. The degassing equipment is provided with the fluid suction structure, the fluid suction structure is provided with the fluid suction head, and the fluid suction head is provided with a block clearing structure. According to the reasonable matching between the fluid suction structure and a sealing structure of a degasser, purposes of on-line degassing, constant current degassing and quantification degassing are achieved, and further, degassing efficiency is improved.

Description

Degassing equipment and imbibition structure thereof and imbibition head thereof

Technical field

The invention belongs to compound logging and equipment is used in mud logging, relate to device, particularly draw the imbibition structure and the imbibition head thereof of mud liquid the online disengaging gas of the mud that proposes in the oil exploration drilling.

Background technology

Degassing equipment be compound logging and mud logging with the pith in the equipment, it is bearing the important task whether sample gas more can represent the true air content on stratum, directly affects the accuracy that oil gas field is estimated.

Industry is not halted its improvement research all the time.

Mud is proposed in oil exploration drilling, and online disengaging gas, for this type degassing equipment, how can let equipment in degassing operation, better realize " constant current ", " quantitatively ", be that industry is constantly sought all the time.

The intention thinking of this case is a reasonable disposition peristaltic pump on degasser, and at the liquid feeding end reasonable disposition imbibition head of degasser, better realizes the purpose that online " constant current ", " quantitatively " outgas thus.

Existing peristaltic pump; As the satisfactory peristaltic pump of disclosed one Chinese patent application 200410008362.1 planetary gears driving; Belong to a kind of mechanical pump; The fluid that can be used for being transferred need be isolated the occasion with the safety that guarantees its pure or its surrounding environment fully with the object beyond the pipeline, like: analytical instrument, medical treatment, pharmacy, diet, chemical industry, nuclear energy, space flight, environmental protection and field such as control automatically.It is silicone tube to be detoured pass more than 360 ° in the cannelure of the pump housing again, is equipped with unique driving wheel mechanism that can load automatically and discharge, and lets three pressure rollers of symmetric arrays with the roll extrusion and working continuously on sebific duct of the mode of planetary gear.Because working track is satisfactory, the suffered radial pressure of driving mechanism can be cancelled out each other, so driving moment is minimum, noise is extremely low.The various pressure type peristaltic pumps of taking turns are not all drawbacks that full circle produces owing to the work track of pinch roller before having overcome.

201,010,272,106 1 kinds of peristaltic pumps of and for example disclosed one Chinese patent application, it comprises end cap that pump case, pump case one side are provided with and the flexible pipe of arranging along the inner circumferential wall of pump case, the flexible pipe two ends stretch outside and fixing to pump case; Also be provided with in the pump case rotor and with the main shaft that is used to drive rotor of the concentric setting of rotor; The rotor periphery is provided with pressure roller, and the inner circumferential wall of pressure roller and pump case constitutes the batch (-type) press fit to flexible pipe, and the periphery of rotor also is provided with sheave; Sheave is fixed by shaft support; The rotating shaft two ends are installed on the rotor, and rotating shaft, rotor are parallel with the centre of gyration of pressure roller, and the cross section of groove is " U " shape on the sheave; The bottom camber line of " U " shape groove of sheave and the cambered surface of flexible pipe outer wall are coincide, and the width of rebate of sheave and hose outside diameter are coincide.

201,020,174,488 1 kinds of peristaltic pumps of disclosed for another example Chinese patent; Comprise: pump case, be arranged on the flexible pipe in the pump case, be arranged on the material extrusion circle rotor on the pump case; The pump interface that is connected with flexible pipe; Be arranged on the pump chamber in the pump case, flexible pipe is connected with pump chamber, and the material extrusion circle is pressed on the flexible pipe and with material extrusion circle rotor and is connected; Be provided with the anti-explosion-proof net of opening of one deck at least in the flexible pipe.

Existing comparatively progressive degasser like 201020691996.2 1 kinds of degassers of disclosed Chinese patent, belongs to compound logging and equipment is used in mud logging, relates to the device to the online disengaging gas of the mud that proposes in the oil exploration drilling.It has the jar body and the stirring body of ccontaining mud, and stirring body is used to stretch into a jar body mud is stirred; Jar body has mud entrance and mud outlet, and wherein, a jar chamber body is set to stir chamber step by step, this step by step stir chamber be to starch an assembly district and be divided into the classification chamber by being configured in a jar intrinsic retaining; Said retaining slurry assembly is made up of the first retaining lodicule and the second retaining lodicule, the first retaining lodicule have can with married outer rim of jar inner body wall and access opening, this outer rim combines with a jar body, this access opening is used to form down the passage of spillage liquid." drawer formula " chamber that jar body in this case degasser is arranged to stir step by step in conjunction with the reasonable disposition that retaining is starched assembly, can make slurries in stirring chamber at the corresponding levels, stir more fully, realizes the purpose that fully stirs step by step, fully outgases step by step.This is this case applicant's invention formerly.

201120047777.5 1 kinds of passive degassers of and for example disclosed Chinese patent and jar body and mud conditioning body thereof.Wherein, the diffusing slurry unit in the mud conditioning body is made up of the last diffusing slurry element and the slurry element that looses down.Jar body top is provided with the assembling end cap, and this assembling end cap is made up of airtight seam of end cap and assembled end.The mud conditioning body is by the slurry unit strings dress one of loosing, and the mud conditioning body is fixedly mounted in jar body by the assembling end cap, and the upper end of formation is the unsettled fit in lower end fixedly.The accuracy that this case is collected data for appearance gas provides guarantee, for the true air content that can detect the stratum provides guarantee.This also is this case applicant's invention formerly.

Industry is demanded urgently through the further improvement to prior art, makes degassing equipment can realize online, constant current, the quantitative purpose of the degassing.

Summary of the invention

This case problem to be solved is to overcome the above-mentioned defective that aforementioned techniques exists; And a kind of constant current imbibition structure and imbibition head thereof of degassing equipment are provided; And the degassing equipment with aforementioned imbibition structure and imbibition head thereof, below in conjunction with concrete technical measures, select and will illustrate structure effect characteristics.

Technical solution problem of the present invention takes following technical scheme to realize; According to a kind of imbibition head that is used for degassing equipment provided by the invention, wherein, said imbibition head has an imbibition body; A said imbibition body has liquid collecting cavity, and this liquid collecting cavity is used to hold the mud that is inhaled into; Body fluid port is set on the said imbibition body, and this body fluid port is the passage that holds the mud outflow of liquid collecting cavity; Pipette portion is installed on the imbibition body and with the body fluid port of said imbibition head and is communicated with, and draws mud; This pipette portion is connected with the inlet of peristaltic pump again, is responsible for mud is sent into peristaltic pump; A said imbibition body has feed liquor and filters end plate, is used to filter mud.

This case technical solution problem can also take following technical scheme further to realize:

The aforementioned imbibition head that is used for degassing equipment; Wherein, The resistance structure is set on the said imbibition head clearly, and this clear resistance structure is a scraper plate with can hard to bear drive shaft and can to filter end plate with feed liquor be that the feed liquor that the form of horizontal basal plane rotation is installed in the imbibition head filters on the end plate.

The aforementioned imbibition head that is used for degassing equipment, wherein, the liquid collecting cavity of a said imbibition body constitutes the shape chamber that holds mud jointly by the liquid collecting cavity sidewall that driveshaft end and feed liquor filter between end plate and this driveshaft end and the feed liquor filtration end plate.

The aforementioned imbibition head that is used for degassing equipment; Wherein, The feed liquor of a said imbibition body filters the feed liquor end that end plate is installed in an imbibition body; This feed liquor filters the feed liquor port that end plate is used to block liquid collecting cavity, the installing drive shaft end in the other end of an imbibition body, and this driveshaft end is connected with driving shaft by an imbibition shaft joint.

The aforementioned imbibition head that is used for degassing equipment, wherein, said feed liquor filters distribution feed liquor sieve aperture on the end plate, and said feed liquor sieve aperture has preset aperture, is distributed in feed liquor and filters the sieve aperture feed pathway that the common formation of feed liquor sieve aperture on the end plate can be filtered mud.

The aforementioned imbibition head that is used for degassing equipment; Wherein, Said clear resistance structure is set to scraper plate and is installed on the feed liquor filter end plate level end face of imbibition head by an imbibition connecting shaft element and securing member; This imbibition connecting shaft element combines with driving shaft through an imbibition shaft joint, forms driving shaft and can drive scraper plate and filter the structure that end plate is horizontal basal plane rotation with feed liquor.

The aforementioned imbibition head that is used for degassing equipment; Wherein, Said clear resistance structure is set to scraper plate and is installed on the feed liquor filter end plate level end face of imbibition head by an imbibition connecting shaft element and securing member; This imbibition connecting shaft element combines with driving shaft through an imbibition shaft joint, forms driving shaft and can drive scraper plate and filter the structure that end plate is horizontal basal plane rotation with feed liquor; Also have, in the liquid collecting cavity of an imbibition body,, be used to clear up the one side that feed liquor filters end plate towards liquid collecting cavity by the secondary scraper plate of an imbibition connecting shaft arrangements of components.

The aforementioned imbibition head that is used for degassing equipment, wherein, said scraper plate is by a support body scraping blade to be installed.

The aforementioned imbibition head that is used for degassing equipment, wherein, the length of scraper plate should be suitable with the maximum caliber of feed liquor port.

The aforementioned imbibition head that is used for degassing equipment, wherein, the branch cloth cover maximum gauge of the length of said scraper plate and feed liquor sieve aperture is suitable.

Thus; The driveshaft end of imbibition head combines with an imbibition body and scraper plate; Constitute an imbibition liquid collecting cavity on the one hand; Formation can drive scraper plate or filter the structure that end plate is horizontal basal plane rotation with secondary scraper plate with feed liquor on the other hand, blocks the feed liquor sieve aperture of feed liquor filtration end plate to avoid the grains of sand bigger in the mud.

The aforementioned imbibition head that is used for degassing equipment, wherein, the pipette internal diameter diameter of said pipette portion more than or equal to or be not less than the bore of the body fluid port of an imbibition body.

The aforementioned imbibition head that is used for degassing equipment, wherein, the body fluid port bore of the inlet opening of said pipette liquid storage box and this imbibition body is suitable.

The aforementioned imbibition head that is used for degassing equipment, wherein, the aperture of said feed liquor sieve aperture is set to diameter less than 2 millimeters.

The aforementioned imbibition head that is used for degassing equipment, wherein, the aperture of said feed liquor sieve aperture is set to diameter and is not more than 2 millimeters.

The aforementioned imbibition head that is used for degassing equipment; Wherein, Said feed liquor sieve aperture is set to the sieve aperture structure of the summary tapering that outer hole is little, endoporus is big; Aperture one end of tapering feed liquor sieve aperture is outer hole, and it filters on the horizontal end face of end plate at feed liquor, and the hole diameter of said tapering feed liquor sieve aperture is set to less than 2 millimeters.

The aforementioned imbibition head that is used for degassing equipment, wherein, the hole diameter of said tapering feed liquor sieve aperture is set to be not more than 2 millimeters.

The aforementioned imbibition head that is used for degassing equipment, wherein, said pipette portion is made up of pipette and pipette liquid storage box, and the liquid storage cylinder volume of said pipette liquid storage box is less than the liquid collecting cavity volume of an imbibition body.

The aforementioned imbibition head that is used for degassing equipment, wherein, the branch cloth cover of said feed liquor sieve aperture is consistent with the bore area of liquid collecting cavity feed liquor port.

Thus, this pipette liquid storage box on the one hand and pipette connect, be responsible for the mud that will suck from liquid collecting cavity, close in the chamber, prepare against the needs of the continuous imbibition of pipette; On the other hand, this pipette liquid storage box is through the body fluid port connection of inlet opening and an imbibition body, and the pipette liquid storage box is responsible in the mud suction chamber with liquid collecting cavity, has taken this to form the another chamber that has liquid outlet and inlet, can be communicated with liquid collecting cavity.

The aforementioned imbibition head that is used for degassing equipment; Wherein, The body fluid port of a said imbibition body is arranged on the liquid collecting cavity sidewall, by the outer surface of this liquid collecting cavity sidewall pipette portion installation base surface is set, and this pipette portion installation base surface is used to install the pipette liquid storage box of pipette portion.

Liquid storage box is set thus is assemblied in an imbibition body sidewall through securing member, not only the imbibition header structure is reasonable, and integraty is strong, and is easy to use, and liquid collecting cavity and liquid storage cylinder are in abutting connection with can effectively avoiding the cutout problem in the imbibition process.The concrete structure of driveshaft end is, an end of said driveshaft end is the horizontal end face of driveshaft end, and it is responsible for blocking an end of liquid collecting cavity, combines feed liquor filter end plate and liquid collecting cavity sidewall to constitute the liquid collecting cavity of imbibition head jointly thus; The other end of driveshaft end is the shaft joint end, is used to dispose an imbibition shaft joint.

The aforementioned imbibition head that is used for degassing equipment, wherein, a said imbibition shaft joint is set to the moment of torsion shaft joint, is used for when the flexible axle moment of torsion is excessive, and moment of torsion shaft joint automatic clutch lets flexible axle suspend rotation.

Technical solution problem of the present invention takes following technical scheme to realize, according to a kind of imbibition structure with degassing equipment of aforementioned arbitrary imbibition head provided by the invention, comprises peristaltic pump, imbibition head; Wherein, The liquid feeding end of said peristaltic pump is installed the imbibition head, and said imbibition head is used for drawing mud from drilling well, and the outlet end of peristaltic pump seals structure with the mud entrance of degasser and combines; Wherein, Said peristaltic pump has can be with the rotating disk and the flexible pipe of pressure roller rotation, and the pressure roller of distributed and arranged on the rotating disk, said pressure roller are uniformly distributed with and are arranged on the concentrically ringed circumference of rotating disk; Said mud entrance seals jar body mud entrance that structure is meant degasser all the time by the structure of liquid level shutoff.

The imbibition structure of aforementioned degassing equipment, wherein, the radius that the flexible pipe of said peristaltic pump is set to flexible pipe pipe thickness and flexible pipe endoporus is suitable.

The imbibition of aforementioned degassing equipment structure, wherein, when this flexible pipe by the pressure roller extruding, when being in release conditions, the diameter of flexible pipe endoporus is equivalent to flexible pipe pipe thickness and the interior pore radius sum of flexible pipe.

The imbibition of aforementioned degassing equipment structure, wherein, when this flexible pipe is pushed by pressure roller, when flexible pipe was in closure state, the tube wall gross thickness of flexible pipe was equivalent to 2 times of pipe thicknesses.

The imbibition of aforementioned degassing equipment structure, wherein, when the flexible pipe of said peristaltic pump is in release conditions, the hose diameter size account for pressure roller length 2/3 or 5/7.

The imbibition structure of aforementioned degassing equipment, wherein, when flexible pipe was in closure state, 2 times flexible pipe pipe thickness was suitable with the radius size of pressure roller.

The imbibition structure of aforementioned degassing equipment, wherein, the flexible pipe width dimensions of closure state is suitable with the length of pressure roller.

The imbibition structure of aforementioned degassing equipment, wherein, the width dimensions of flexible pipe is slightly less than the length of pressure roller.

The imbibition structure of aforementioned degassing equipment, wherein, the pressure roller of said peristaltic pump is uniformly distributed with setting, the hexagonal angle of being separated by between the adjacent pressure roller.

The imbibition structure of aforementioned degassing equipment, wherein, the diameter of the flexible pipe endoporus of said peristaltic pump is greater than the pipette interior diameter of pipette portion.

The imbibition structure of aforementioned degassing equipment, wherein, the diameter of flexible pipe endoporus is more than or equal to the mouth diameter of peristaltic pump inlet.

The imbibition structure of aforementioned degassing equipment, wherein, each pressure roller equates that to the distance in the rotating disk center of circle each pressure roller lays respectively on the same circumference.

Technical solution problem of the present invention takes following technical scheme to realize; According to a kind of degassing equipment provided by the invention with aforementioned arbitrary imbibition head or aforementioned arbitrary degassing equipment imbibition structure; Comprise degasser, peristaltic pump, imbibition head, wherein, described driving shaft is a flexible axle; A said imbibition shaft joint is set to the moment of torsion shaft joint; Said degasser has airtight construction, and this airtight construction is to seal structure and mud entrance by mud outlet to seal and construct and exhausting formula exhaust outlet constitutes.

Aforesaid degassing equipment, wherein, the exhaust outlet of said degasser is set to form by negative pressure of vacuum the exhaust outlet of suction, both has been exhausting formula exhaust outlet.

Aforesaid degassing equipment, wherein, said jar of body mud exit has the mud outlet and seals structure, and this mud outlet is sealed structure and is meant that jar body mud outlet is all the time by the structure of liquid level shutoff.

Aforesaid degassing equipment; Wherein, It is in jar body mud exit first slurry storage box to be set that structure is sealed in said mud outlet; Be provided with the first slurry storage box pilot trench in this first slurry storage box, a jar body mud export department has the pulp conduit that can stretch in the first slurry storage box pilot trench, and this first slurry storage box pilot trench planted agent has first and seals liquid level; Form first demarcation strip between female groove of said first slurry storage box and the pilot trench.

Aforesaid degassing equipment, wherein, the first slurry storage box pilot trench faces jar body mud and goes out interruption-forming storage slurry seal groove.

Aforesaid degassing equipment, wherein, the first demarcation strip upper edge hole should be lower than the first slurry storage box bead and be higher than pulp conduit oral area.

Aforesaid degassing equipment, wherein, the first demarcation strip upper edge is to satisfy the flooding point that storage slurry seal groove seals liquid level, pulp conduit oral area and first slurry storage box bottom are left and are held the spacing that slurries flow out.

Aforesaid degassing equipment; Wherein, it is at jar body mud entrance end second slurry storage box to be set that said mud entrance seals structure, claims second slurry storage box female groove again; Be provided with the second slurry storage box pilot trench in this second slurry storage box, form second demarcation strip between female groove of second slurry storage box and the pilot trench.

Aforesaid degassing equipment, wherein, the second slurry storage box pilot trench has and jar second slurry storage box pilot trench slurries that the body mud entrance a communicates outlet, and this second slurry storage box pilot trench has can hold the vallecular cavity that the mud liquid pushing tube stretches into;

Aforesaid degassing equipment, wherein, the said second demarcation strip upper edge hole should be lower than the second slurry storage box bead, and is higher than mud liquid pushing tube oral area, forms storage slurry seal groove.

Aforesaid degassing equipment, wherein, the second demarcation strip upper edge hole is to satisfy the flooding point that storage slurry seal groove seals liquid level, spacing is left in mud liquid pushing tube oral area and slurry storage box bottom.

Aforesaid degassing equipment, wherein, the said mud liquor charging mouth of pipe stretches into the second slurry storage box pilot trench, and the second slurry storage box pilot trench has full slurries formation second and seals liquid level.

Aforesaid degassing equipment, wherein, the second slurry storage box pilot trench is installed the current limliting back-up ring with a jar body mud entrance junction.

Form this case degassing equipment thus and have the imbibition structure; Has the imbibition head in the imbibition structure; The imbibition head has resistance structure clearly.The imbibition structure cooperates with the reasonable of airtight construction of degasser, can realize the purpose of constant current, the quantitative online degassing, thereby further improves degassing efficiency.

Technical solution problem of the present invention takes following technical scheme to realize, according to a kind of degassing equipment provided by the invention, comprises power efferent, degasser, peristaltic pump, imbibition head; The imbibition head is installed on the said peristaltic pump, and said imbibition head is used for drawing mud from drilling well, and peristaltic pump is connected with degasser; Wherein, Described peristaltic pump has can be with the rotating disk and the flexible pipe of pressure roller rotation, and the pressure roller of distributed and arranged on the rotating disk, said pressure roller are uniformly distributed with and are arranged on the concentrically ringed circumference of rotating disk.

Aforementioned degassing equipment, wherein, described degasser has the jar body of ccontaining mud, and said jar of body has mud entrance and mud outlet; Said jar of body mud entrance place has mud entrance and seals structure, and this mud entrance seals structure and is meant that jar body mud entrance is all the time by the structure of liquid level shutoff.

Aforementioned degassing equipment wherein, has an imbibition body on the said imbibition head, a said imbibition body has liquid collecting cavity, is used to hold the mud that is inhaled into; Body fluid port is set on the said imbibition body, and this body fluid port is the passage that holds the mud outflow of liquid collecting cavity; Pipette portion is installed on the imbibition body and with the body fluid port of said imbibition head and is communicated with, and draws mud; This pipette portion is connected with the inlet of peristaltic pump again, is responsible for mud is sent into peristaltic pump; A said imbibition body has feed liquor and filters end plate, is used to filter mud.

Degassing equipment seals the imbibition structure that structure and imbibition capitiform become degassing equipment by the mud entrance of peristaltic pump, degasser thus; Both: seal structure by the outlet of the mud of degasser and make the outlet end of peristaltic pump by fluid-tight; The inlet of peristaltic pump is drawn the mud that filters through the imbibition head by the pipette portion of imbibition head, forms better imbibition ability with this.

Aforementioned degassing equipment, wherein, the liquid collecting cavity of a said imbibition body constitutes the shape chamber that holds mud jointly by the liquid collecting cavity sidewall that driveshaft end and feed liquor filter between end plate and this driveshaft end and the feed liquor filtration end plate.

Aforementioned degassing equipment; Wherein, The feed liquor of a said imbibition body filters the feed liquor end that end plate is installed in an imbibition body; This feed liquor filters the feed liquor port that end plate is used to block liquid collecting cavity, the installing drive shaft end in the other end of an imbibition body, and this driveshaft end is connected with driving shaft by an imbibition shaft joint.

Aforementioned degassing equipment, wherein, said feed liquor filters distribution feed liquor sieve aperture on the end plate, and said feed liquor sieve aperture has preset aperture, is distributed in feed liquor and filters the sieve aperture feed pathway that the common formation of feed liquor sieve aperture on the end plate can be filtered mud.

Aforementioned degassing equipment wherein, is provided with clearly the resistance structure on the said imbibition head, said clear resistance structure is a scraper plate with can hard to bear drive shaft and can to filter end plate with feed liquor be that the feed liquor that the form of horizontal basal plane rotation is installed in the imbibition head filters on the end plate.

The imbibition of degassing equipment structure has further formed the structure that the imbibition head can filter and can hinder clearly thus, and it can effectively avoid stifled, the resistance feed liquor sieve aperture of the grains of sand bigger in the mud, makes an imbibition feed liquor filter end plate and in time obtains cleaning, guarantees that feed liquor is unobstructed.

Aforementioned degassing equipment, wherein, the radius that the flexible pipe of said peristaltic pump is set to flexible pipe pipe thickness and flexible pipe endoporus is suitable.

Aforementioned degassing equipment, wherein, when this flexible pipe by pressure roller extruding, when being in release conditions, the diameter of flexible pipe endoporus is equivalent to flexible pipe pipe thickness and the interior pore radius sum of flexible pipe.

Aforementioned degassing equipment, wherein, when this flexible pipe is pushed by pressure roller, when flexible pipe was in closure state, the tube wall gross thickness of flexible pipe was equivalent to 2 times of pipe thicknesses, and both: the tube wall gross thickness of flexible pipe is equivalent to 2h.

The structure setting of hose of hose pump can further improve the imbibition ability of equipment thus, makes it to be more suitable for drawing the needs of mud.

Aforementioned degassing equipment, wherein, when the flexible pipe of said peristaltic pump is in release conditions, the hose diameter size account for pressure roller length 2/3 or 5/7.

Aforementioned degassing equipment, wherein, when this flexible pipe was in closure state, the flexible pipe width dimensions of closure state was suitable with the length dimension of pressure roller.

Aforementioned degassing equipment, wherein, the width dimensions of flexible pipe is slightly less than the length of pressure roller.

Aforementioned degassing equipment, wherein, 2 times flexible pipe pipe thickness is suitable with the radius size of pressure roller, and both two flexible pipe pipe thicknesses were equivalent to the radius of pressure roller.

The reasonable disposition of flexible pipe and pressure roller thus; Make the flexible pipe in the pump housing can not be crushed easily, and can after receiving the pressure roller extruding, return to original state rapidly; Thereby improve the suction of peristaltic pump, thereby make peristaltic pump have satisfactory strong self-suction and more high-lift.

Aforementioned degassing equipment, wherein, the diameter of flexible pipe endoporus is greater than the pipette interior diameter of pipette portion.

Aforementioned degassing equipment, wherein, the diameter of flexible pipe endoporus is more than or equal to the mouth diameter of peristaltic pump inlet.

Aforementioned degassing equipment, wherein, the pipette internal diameter diameter of said pipette portion more than or equal to or be not less than the bore of the body fluid port of an imbibition body.

Aforementioned degassing equipment, wherein, the body fluid port bore of the inlet opening of said pipette liquid storage box and this imbibition body is suitable.

Aforementioned degassing equipment, wherein, the aperture of said feed liquor sieve aperture is set to less than 2 millimeters, or the aperture of said feed liquor sieve aperture is set to be not more than 2 millimeters.

The structure setting of the setting of the structure setting of peristaltic pump and pipette portion and an imbibition body, and the rational Match between them thus can be further effectively improves the suction capactity of imbibition head, and the bigger grains of sand are foreclosed.

Aforementioned degassing equipment; Wherein, said feed liquor sieve aperture is set to the sieve aperture structure of the summary tapering that outer hole is little, endoporus is big, and aperture one end of tapering feed liquor sieve aperture is outer hole; It filters on the horizontal end face of end plate at feed liquor, and the hole diameter of said tapering feed liquor sieve aperture is set to less than 2 millimeters.

Aforementioned degassing equipment, wherein, the hole diameter of said tapering feed liquor sieve aperture is set to be not more than 2 millimeters; Accordingly, macropore one end of tapering feed liquor sieve aperture is an endoporus, facing to liquid collecting cavity.

Be responsible for foreclosing the big mud grains of sand that do not conform with size in the outer hole of tapering feed liquor sieve aperture thus, can be along the smooth and easy entering liquid collecting cavity of bigbore passage gradually and conform with size, the irregular mud sand grains of profile.

Aforementioned degassing equipment, wherein, said degasser has airtight construction, and this airtight construction is to seal structure and mud entrance by mud outlet to seal and construct and exhausting formula exhaust outlet constitutes.

Aforementioned degassing equipment, wherein, the exhaust outlet of said degasser is set to form by negative pressure of vacuum the exhaust outlet of suction, both has been exhausting formula exhaust outlet.

Aforementioned degassing equipment, wherein, said jar of body mud exit has the mud outlet and seals structure, and this mud outlet is sealed structure and is meant that jar body mud outlet is all the time by the structure of liquid level shutoff.

Thus; Sealing structure by the outlet of the mud of degasser makes the outlet end of peristaltic pump by fluid-tight; The outlet of said mud is sealed structure and is combined said mud entrance to seal structure and exhausting formula exhaust outlet forms the degasser with airtight construction, thereby can realize that mud all is in airtight condition in whole degasification process, and the gas that the appearance air pump is collected all is the gas that mud is deviate from stir process; Not only can effectively improve kind destiny according to the accuracy of collecting; And said imbibition structure forms with the airtight construction of degasser and cooperates, and can realize the purpose of constant current, the quantitative online degassing, thereby further improve degassing efficiency.

Aforementioned degassing equipment; Wherein, It is in jar body mud exit first slurry storage box to be set that structure is sealed in said mud outlet, claims first slurry storage box female groove again, is provided with the first slurry storage box pilot trench in this first slurry storage box; Jar body mud export department has the pulp conduit that can stretch in the first slurry storage box pilot trench, and this first slurry storage box pilot trench planted agent has first and seals liquid level.

Aforementioned degassing equipment wherein, forms first demarcation strip between female groove of said first slurry storage box and the pilot trench.

Aforementioned degassing equipment, wherein, the said first slurry storage box pilot trench faces jar body mud and goes out interruption-forming storage slurry seal groove.

Aforementioned degassing equipment, wherein, the first demarcation strip upper edge hole should be lower than the first slurry storage box bead and be higher than pulp conduit oral area, and the first demarcation strip upper edge is to satisfy the flooding point that storage slurry seal groove seals liquid level.

Aforementioned degassing equipment, wherein, pulp conduit oral area and first slurry storage box bottom are left and are held the spacing that slurries flow out.

Aforementioned degassing equipment, wherein, the female groove of first slurry storage box has the discharge slurry outlet; The first slurry storage box pilot trench has the tapping regulating part.

Aforementioned degassing equipment; Wherein, it is at jar body mud entrance end second slurry storage box to be set that said mud entrance seals structure, claims second slurry storage box female groove again; Be provided with the second slurry storage box pilot trench in this second slurry storage box, form second demarcation strip between female groove of second slurry storage box and the pilot trench.

Aforementioned degassing equipment, wherein, the second slurry storage box pilot trench has and jar second slurry storage box pilot trench slurries that the body mud entrance a communicates outlet, and this second slurry storage box pilot trench has can hold the vallecular cavity that the mud liquid pushing tube stretches into; This mud liquid pushing tube is used to transport the mud from peristaltic pump.

Aforementioned degassing equipment; Wherein, the said second demarcation strip upper edge hole should be lower than the second slurry storage box bead, and is higher than mud liquid pushing tube oral area; Form storage slurry seal groove; The second demarcation strip upper edge hole is to satisfy the flooding point that storage slurry seal groove seals liquid level, and spacing is left in mud liquid pushing tube oral area and slurry storage box bottom, forms the structure of fluid-tight.

Aforementioned degassing equipment, wherein, the said mud liquor charging mouth of pipe stretches into the second slurry storage box pilot trench, and the second slurry storage box pilot trench has full slurries formation second and seals liquid level, so that mud can get into the second slurry storage box pilot trench under the pressure of the certain liquid degree of depth.

Aforementioned degassing equipment, wherein, the second slurry storage box pilot trench is installed the current limliting back-up ring with a jar body mud entrance junction.

Aforementioned degassing equipment, wherein, the volume of the second slurry storage box pilot trench vallecular cavity should be provided with the overcurrent bore coupling of the second slurry storage box pilot trench current limliting back-up ring.

The fluid-tight structure that forms thus can make slurries discharge from the slurry conduit oral area, and full earlier the surplus slurries constantly overflow the demarcation strip upper edge to the slurry storage box pilot trench, enters the female groove of slurry storage box.

The mud entrance that is arranged so that of current limliting back-up ring seals structure not only to jar body mud entrance formation fluid-tight, also has restriction mud entrance flow, quantitatively send the function of slurry.

Thus, come the pending slurries of flexible pipe stock pump, blow slowly via jar body mud entrance to the slurry storage box pilot trench via the mud liquid pushing tube is constantly full again, quantitative limit flows into a jar body, and processing outgases; This case can make the quantitative degassing become more simple; Female groove can not only be responsible for collecting from storage and starch the surplus slurry that overflows in the seal groove, can also collect from the slurries of mud entrance structure overflow, and the equipment integral layout of making is more optimized; The degassing equipment complete machine can realize that mud all is in airtight condition in whole degasification process; The gas that the appearance air pump is collected all is the gas that mud is deviate from stir process; The accuracy of collecting data for appearance gas provides guarantee, for the true air content that can detect the stratum provides guarantee.Mud is discharged from said discharge slurry outlet can pass through the recycle of mud circulation pipeline.Said first slurry storage box pilot trench bottom is provided with the discharging valve port, makes things convenient for mediation, the discharging of this slurry storage box pilot trench.

Aforementioned degassing equipment; Wherein, Said clear resistance structure is set to scraper plate and is installed on the feed liquor filter end plate level end face of imbibition head by an imbibition connecting shaft element and securing member; This imbibition connecting shaft element combines with driving shaft through an imbibition shaft joint, forms driving shaft and can drive scraper plate and filter the structure that end plate is horizontal basal plane rotation with feed liquor.

Aforementioned degassing equipment; Wherein, Said clear resistance structure is set to scraper plate and is installed on the feed liquor filter end plate level end face of imbibition head by an imbibition connecting shaft element and securing member; This imbibition connecting shaft element combines with driving shaft through an imbibition shaft joint, forms driving shaft and can drive scraper plate and filter the structure that end plate is horizontal basal plane rotation with feed liquor; Also have in the liquid collecting cavity of an imbibition body,, be used to clear up the one side that feed liquor filters end plate towards liquid collecting cavity by the secondary scraper plate of an imbibition connecting shaft arrangements of components.

Aforementioned degassing equipment, wherein, said scraper plate is by a support body scraping blade to be installed.

Aforementioned degassing equipment, wherein, the length of said scraper plate should be suitable with the maximum caliber of feed liquor port.

Aforementioned degassing equipment, wherein, the branch cloth cover maximum gauge of the length of said scraper plate and feed liquor sieve aperture is suitable.

Form the clear resistance structure that feed liquor filters outside the end plate face or about two sides can be swept, clear up by scraping synchronously of imbibition head thus.The horizontal end face that feed liquor filters end plate is used for combining to form clear resistance structure with scraper plate, and this clear resistance is configured to remove the problem that the grains of sand bigger in the mud block the feed liquor sieve aperture, so that the smooth and easy entering of satisfactory mud.

Can satisfy thus can scrape when scraper plate rotates and sweep to all feed liquor sieve apertures.

Aforementioned degassing equipment, wherein, the pressure roller of peristaltic pump is uniformly distributed with setting, the hexagonal angle of being separated by between the adjacent pressure roller, each pressure roller equates that to the distance in the rotating disk center of circle each pressure roller lays respectively on the same circumference.

Aforementioned degassing equipment, wherein, described driving shaft is a flexible axle.

Aforementioned degassing equipment, wherein, a said imbibition shaft joint is set to the moment of torsion shaft joint.

Thus, the configuration of flexible axle can make imbibition visit easily first watch and reach the more suitable operating mode position of mud logging operation, such as, let the imbibition head visit to reach drilling fluid to be easy to flow and do not have certain position etc. in the place of sand setting.

Flexible pipe in the peristaltic pump is through the extruding of the pressure roller of distribution rationally on the rotating disk; Thereby the vacuum that produces moment is come absorbent slurry, presses to Way out simultaneously, continues constantly with this; Reach the purpose of slurry conveyed, be provided with thus and be more suitable for the so complicated liquid matter of pumping drilling mud.

The configuration of moment of torsion shaft joint can make flexible axle no longer rotate when the moment of torsion of flexible axle is excessive, and the protection power source is not fragile.

The present invention compared with prior art has significant advantage and beneficial effect.

Can know that by above technical scheme the present invention has following advantage at least under the structure configuration of excellence:

To sum up; The airtight construction setting of this case degasser can be so that degassing equipment realizes that mud all is in airtight condition in whole degasification process; The gas that the appearance air pump is collected all is the gas that mud is deviate from stir process; The accuracy of collecting data for appearance gas provides guarantee, for the true air content that can detect the stratum provides guarantee.The function that the reasonable disposition of this case degasser airtight construction and imbibition head and peristaltic pump makes degassing equipment have constant current, quantitatively outgas.The structure of this case imbibition head combines the mud entrance of peristaltic pump and degasser to seal structure formation imbibition structure, makes degassing equipment have better imbibition ability.

The structure of this case imbibition head combines the reasonable disposition of flexible axle to make that degassing equipment is not only convenient, adaptation condition condition ability is strong, also can be to the in time clear resistance of imbibition head, for degassing equipment can be online, constant current, quantitatively the degassing provides safeguard.This case is compared with prior art simpler and more direct, safe, reliable, is easier to the operator and grasps, and can effectively improve operating efficiency.

The specific embodiment of the present invention is provided by following examples and accompanying drawing thereof in detail.

Description of drawings

Fig. 1 is the overall structure sketch map of this case degassing equipment;

Fig. 2 is that this case degassing equipment is configured in the instance constructs sketch map on the Rack Body;

Fig. 3 is the side-looking face structural representation of Fig. 2;

Fig. 4 is the side-looking face structural representation of the another instance of this case degassing equipment;

Fig. 5 is a peristaltic pump center section structure sketch map in this case;

Fig. 6 is the overall structure sketch map of this case imbibition head;

Fig. 7 is the assembling decomposition texture sketch map of this case imbibition head;

Fig. 8 is the local structure for amplifying sketch map of the tapering feed liquor sieve aperture of this case imbibition head;

Fig. 9 is the organigram of one of this case degasser instance (active degasser);

Figure 10 is the organigram of the another instance of this case degasser (passive degasser).

The specific embodiment

Below in conjunction with preferred embodiment, to according to the specific embodiment provided by the invention, characteristic and effect thereof, specify as after; For simple and purpose clearly, the omission that hereinafter is appropriate the description of known technology, in order to avoid those unnecessary details influences are to the description of present technique scheme.

Shown in Fig. 1-10, a kind of degassing equipment and imbibition structure thereof and imbibition head thereof.

Referring to Fig. 1-4, described degassing equipment has power efferent, degasser 6 (also claiming degasser), peristaltic pump 2, imbibition 1, and imbibition 1 is installed on the peristaltic pump 2; Said imbibition head is the device that is used for drawing from drilling well mud; Peristaltic pump is connected with degasser, is sent into the degasser degassing by the mud that the imbibition head is drawn through peristaltic pump, and the gas of being deviate from is sent into down preface via blast pipe 7 and carried out the well logging analysis; Wherein, form the imbibition structure of degasser between degasser, peristaltic pump, the imbibition head; Said imbibition structure forms with the airtight construction of degasser and cooperates, and can realize the purpose of constant current, the quantitative online degassing, thereby further improve degassing efficiency; Said imbibition head has resistance structure clearly.

Referring to Fig. 6,7, have an imbibition body 10 in the said imbibition 1, a said imbibition body has liquid collecting cavity 100, is used to hold the mud that is inhaled into; Said liquid collecting cavity constitutes the shape chamber that holds mud jointly by the liquid collecting cavity sidewall 104 that driveshaft end 103 and feed liquor filter between end plate 102 and this driveshaft end 103 and the feed liquor filtration end plate 102.

Body fluid port 1010 is set on the said imbibition body, and this body fluid port is the passage that holds the mud outflow of liquid collecting cavity; Pipette portion 11 is installed on the imbibition body and with the body fluid port 1010 of said imbibition head and is communicated with, and draws mud; This pipette portion 11 is connected with the inlet (not indicating) of peristaltic pump again, is responsible for mud is sent into peristaltic pump.

The feed liquor of an imbibition body filters end plate 102 is fixedly mounted on an imbibition body by securing member 1024 end; It is responsible for blocking the feed liquor port 101 of liquid collecting cavity; Said feed liquor filters end plate and has feed liquor filter end plate level end face 1020; Several feed liquor sieve apertures distribute on the horizontal end face of this feed liquor filtration end plate; Said feed liquor sieve aperture 10210 has preset aperture, and several are distributed in feed liquor and filter the sieve aperture feed pathway 1021 that the common formation of feed liquor sieve aperture on the end plate can be filtered mud, and the branch cloth cover of said feed liquor sieve aperture is consistent with the bore area of liquid collecting cavity feed liquor port; The horizontal end face that this feed liquor filters end plate is used for combining to form clear resistance structure with scraper plate 105, and this clear resistance is configured to solve removes the problem that the grains of sand bigger in the mud block the feed liquor sieve aperture, so that the smooth and easy entering of satisfactory mud.

The aperture a of said feed liquor sieve aperture is set to less than 2 millimeters, or the aperture a of said feed liquor sieve aperture is set to be not more than 2 millimeters;

The appearance and size that generally can know the mud sand grains is irregular, so the scene is easy to occur the jam phenomenon, in order to let the further measure of the smooth and easy suction of mud be:

It is the sieve aperture structure of the summary tapering that outer hole is little, endoporus is big that the feed liquor sieve aperture is set; Aperture one end of tapering feed liquor sieve aperture is outer hole; It filters on the horizontal end face of end plate at feed liquor; The hole diameter a of said tapering feed liquor sieve aperture is set to less than 2 millimeters, or the hole diameter a of said tapering feed liquor sieve aperture is set to be not more than 2 millimeters; Accordingly, macropore one end of tapering feed liquor sieve aperture is an endoporus, and the bigger setting of endoporus can be so that the more smooth and easy entering liquid collecting cavity of mud.

Be responsible for foreclosing the bigger mud grains of sand " No Admittance " in the outer hole of tapering feed liquor sieve aperture thus; And can be along the smooth and easy entering liquid collecting cavity of bigbore passage gradually for satisfactory mud sand grains;

Said scraper plate 105 is installed on the feed liquor filter end plate level end face of imbibition head by an imbibition connecting shaft element 1035 and securing member 10351; This imbibition connecting shaft element combines with flexible axle through an imbibition shaft joint, forms the hard to bear flexible axle driving of scraper plate ability and filters the structure that end plate is horizontal basal plane rotation with feed liquor; The clear resistance structure that forms thus can effectively be avoided stifled, the resistance feed liquor sieve aperture of the grains of sand bigger in the mud, makes an imbibition feed liquor filter end plate and in time obtains cleaning, guarantees that feed liquor is unobstructed.

Said scraper plate 105 can be by a support body 1051 scraping blade 1052 to be installed to constitute, and the length of scraper plate should be suitable with the maximum caliber of feed liquor port; Or the branch cloth cover maximum gauge of the length of scraper plate and feed liquor sieve aperture is suitable; Can satisfy thus can scrape when scraper plate rotates and sweep to all feed liquor sieve apertures.

Said clear resistance structure can also be: in the liquid collecting cavity of an imbibition body; By the secondary scraper plates of an imbibition connecting shaft element 1035 configurations (not indicating), this pair scraper plate is responsible for clearing up the one side towards liquid collecting cavity that feed liquor filters end plate, and said secondary scraper plate can adopt the design of aforementioned scraper plate; It also can be other general technology configuration; Will not give unnecessary details, the feed liquor that forms the imbibition head thus filters the structure that end plate face innner and outer sides can be swept, clear up by scraping synchronously, forms the another instance of clear resistance structure.

At the other end of an imbibition body fixed installation driveshaft end 103; Driveshaft end combines with an imbibition body and scraper plate; Constitute liquid collecting cavity on the one hand; Formation can drive scraper plate or filter the structure that end plate is horizontal basal plane rotation with secondary scraper plate with feed liquor on the other hand, blocks the feed liquor sieve aperture of feed liquor filtration end plate to avoid the grains of sand bigger in the mud.

The concrete structure of driveshaft end is, an end of said driveshaft end is the horizontal end face 1030 of driveshaft end, and it is responsible for blocking the other end of liquid collecting cavity, combines feed liquor filter end plate 102 and the liquid collecting cavity sidewall 104 common liquid collecting cavities that constitute the imbibition heads thus; The other end of driveshaft end is the shaft joint end, is used to dispose an imbibition shaft joint 1034, and this imbibition shaft joint can be a prior art, will not give unnecessary details,

A said imbibition shaft joint is set to the moment of torsion shaft joint, is used for when the flexible axle moment of torsion is excessive, and moment of torsion shaft joint automatic clutch lets flexible axle suspend rotation.

Said moment of torsion shaft joint can be the commercially available prod.The mud that from drilling well, comes out, impurity is many, and when the rotary scraping on the imbibition head ran into the bigger sand grains of hardness, the stall of may being obstructed can diminish equipment thus.The configuration of moment of torsion shaft joint can effectively avoid such rough sledding to take place, because the moment of torsion of flexible axle is when excessive, the moment of torsion shaft joint can skid automatically; Just make that also flexible axle no longer rotates; Utilize these characteristics of moment of torsion shaft joint, can protect power source not fragile, like motor, reductor.

Referring to Fig. 6, shown in 7; Flexible axle 4 is connected with the driveshaft end 103 of imbibition head by an imbibition shaft joint 1034; This imbibition connecting shaft element combines with flexible axle through an imbibition shaft joint, forms flexible axle and can drive scraper plate or filter the structure that end plate is horizontal basal plane rotation with secondary scraper plate and with feed liquor; Thus, can realize that scraper plate can remove that the grains of sand bigger in the mud are stifled, the purpose of resistance feed liquor sieve aperture.

Said pipette portion is made up of pipette 111 and pipette liquid storage box 110, and the liquid storage cylinder volume of said pipette liquid storage box is less than the liquid collecting cavity volume of an imbibition body; Said pipette portion is installed on the imbibition body by securing member 114, this pipette liquid storage box on the one hand and pipette connect, be responsible for the mud that will suck from liquid collecting cavity, close in the chamber, prepare against the needs of the continuous imbibition of pipette; On the other hand; This pipette liquid storage box is connected through the inlet opening 1100 and the body fluid port 1010 of an imbibition body; The pipette liquid storage box is responsible in the mud suction chamber with liquid collecting cavity, has formed the another chamber that has liquid outlet and inlet, can be communicated with liquid collecting cavity thus.

The body fluid port 1010 of a said imbibition body is arranged on the liquid collecting cavity sidewall 104; Thus; Pipette portion installation base surface 1041 can be set by the outer surface of liquid collecting cavity sidewall, and this pipette portion installation base surface is used to install the pipette liquid storage box 110 of pipette portion; Liquid storage box is set thus is assemblied in an imbibition body sidewall through securing member 114, not only the imbibition header structure is reasonable, and integraty is strong, and is easy to use, and liquid collecting cavity and liquid storage cylinder are in abutting connection with can effectively avoiding the cutout problem in the imbibition process.

The profile geometric shape of said imbibition body structure includes, but are not limited to illustrate an imbibition body that provides and generally is cylindrical structure, and the geometric shape structure of said liquid collecting cavity also is that to include, but are not limited to illustrate the liquid collecting cavity that provides be the structure of cylinder die cavity.

Said peristaltic pump 2 has the rotating disk 20 and flexible pipe 22 that can rotate with pressure roller, and the pressure roller 21 of distributed and arranged on the rotating disk, said pressure roller are uniformly distributed with and are arranged on the concentrically ringed circumference of rotating disk, and each pressure roller comprises to the distance in the rotating disk center of circle but do not limit equal situation; Said pressure roller 21 includes but not limited to be uniformly distributed with and is provided with three, is example with 3 pressure rollers, the hexagonal angle of being separated by between the adjacent pressure roller; 3 pressure rollers are equal to the distance in the rotating disk center of circle, and 3 pressure rollers lay respectively on the same circumference, thus; Flexible pipe in the said peristaltic pump is through the extruding of the pressure roller of distribution rationally on the rotating disk; Thereby the vacuum that produces moment is come absorbent slurry, presses to Way out simultaneously, continues constantly with this; Reach the purpose of slurry conveyed, be provided with thus and be more suitable for the so complicated liquid matter of pumping drilling mud.

The flexible pipe of said peristaltic pump 2 further is provided with:

The radius b of the pipe thickness h of said flexible pipe and flexible pipe endoporus is suitable;

When flexible pipe by pressure roller extruding, when being in release conditions, the diameter 2b of flexible pipe endoporus is equivalent to flexible pipe pipe thickness h and the interior pore radius b sum of flexible pipe;

When flexible pipe is pushed by pressure roller, when flexible pipe was in closure state, the tube wall gross thickness of flexible pipe was equivalent to 2 times of pipe thicknesses, and both: the tube wall gross thickness of flexible pipe is equivalent to 2h;

When said flexible pipe is in release conditions, hose diameter size B account for pressure roller length F 2/3 or 5/7;

When flexible pipe was in closure state, the flexible pipe width dimensions f of closure state was suitable with the length F of pressure roller; Or the width dimensions f of flexible pipe is slightly less than the length F of pressure roller; 2 times flexible pipe pipe thickness 2h is suitable with the Radius A size of pressure roller, and both two flexible pipe pipe thickness 2h were equivalent to the Radius A of pressure roller.

Said peristaltic pump, wherein, the diameter of flexible pipe endoporus is greater than the pipette internal diameter of pipette 111; Or the diameter of flexible pipe endoporus is more than or equal to the bore of peristaltic pump inlet (not indicating);

The rational Match of peristaltic pump and imbibition head can effectively improve the suction capactity of imbibition head thus.

The pipette internal diameter diameter of said pipette portion 11 more than or equal to or be not less than the bore of the body fluid port 1010 of an imbibition body.

The inlet opening 1100 of said pipette liquid storage box is suitable with body fluid port 1010 bores of this imbibition body; The rational Match of a pipette portion and imbibition body can further effectively improve the suction capactity of imbibition head thus.

Degasser 6 can be installed by the body installing plate 91 of Rack Body 9; Motor M is installed in the degasser top, and this motor spreads out of power via reductor 3 through the three-phase power output shaft, both one of power efferent instance; Here can adopt existing known technology, will not give unnecessary details.

Referring to Fig. 2, the degasser top is the 3rd power output shaft 33 relatively, is responsible for the stirring body 63 of transmission degasser; One dypass is second power output shaft 32, and this second power output shaft is connected with flexible axle 4 through the first shaft coupling (not shown), can adopt existing torsion coupling to be connected with flexible axle here, and by flexible axle transmission imbibition 1; Another dypass is first power output shaft 31, and this first power output shaft is connected the transmission peristaltic pump through second shaft coupling 311 with peristaltic pump 2.

Described flexible axle 4 is meant has the rotary inner core power transmission shaft of root in the software outer tube, transferring power by this, and flexible axle is existing known technology, will not give unnecessary details.The configuration of flexible axle can make imbibition visit easily first watch and reach the more suitable operating mode position of mud logging operation, such as, let the imbibition head visit to reach drilling fluid to be easy to flow and do not have certain position etc. in the place of sand setting.

Described degasser can be the structure like aforementioned disclosed Chinese patent " 201020691996.2 1 kinds of degassers "; It has the jar body 61 of ccontaining mud and can stretch into the stirring body that this jar body receives drive power source; Said power source includes but not limited to motor; Motor via reducer is connected with stirring body, and said stirring body is used to stretch into a jar body mud is stirred; Said jar of body has mud entrance 65 and mud outlet 66.

The another instance of said power efferent is; Degasser need not the situation of drive power source, and the output configuration of power source can be two outputs mutually, and motor M spreads out of power via reductor 3 through two phase power output shafts; Here can adopt existing known technology, will not give unnecessary details.

Referring to Fig. 4, relatively reductor 3, one dypass of degasser top are second power output shaft 32, and this second power output shaft is connected with flexible axle through the torsion coupling (not shown), and by flexible axle transmission imbibition 1; Another dypass is first power output shaft 31, and this first power output shaft is connected the transmission peristaltic pump through shaft coupling 311 with peristaltic pump 2.

The said degasser that need not drive power source can be like aforementioned disclosed Chinese patent " a kind of passive degasser and jar body and mud conditioning body 201120047777.5 thereof ", and said jar of body also has mud entrance and mud outlet.

Exhaust ports at degasser can connect the air extractor (not shown) through blast pipe 7; Air extractor can be usual technology; Like the appearance air pump, the exhaust outlet of degasser has just become exhausting formula exhaust outlet like this because the appearance air pump during from the exhaust outlet intake-gas with certain negative pressure of vacuum; Can make gas more be prone to from mud, spin off, the gas that well logging will be deviate from the appearance air pump is sent into chromatograph analysis.

Further, degasser has airtight construction, and this airtight construction is to be sealed by mud outlet that structure 601 seals structure 602 with mud entrance and exhausting formula exhaust outlet constitutes.

Said exhausting formula exhaust outlet is exactly to connect air extractor at said degasser exhaust outlet 7 places; Air extractor can be usual technology; Like the appearance air pump; The pedestal exhaust outlet has just become exhausting formula exhaust outlet like this because the appearance air pump during from the exhaust outlet intake-gas with certain negative pressure of vacuum, can make gas more be prone to from mud, spin off.

It is in jar body mud exit the first slurry storage box 601-0 to be set that structure 601 is sealed in said mud outlet; Claim first slurry storage box female groove again; Be provided with the first slurry storage box pilot trench 601-1 in this first slurry storage box; Jar body mud export department 66 has the pulp conduit 661 that can stretch in the first slurry storage box pilot trench, and this first slurry storage box pilot trench planted agent has first and seals liquid level 601-1c, thus; Slowly the mud that flows out along the pulp conduit can constantly fill the first slurry storage box pilot trench, keeps the jar body mud outlet in the operation by the liquid level shutoff all the time;

Further; Form the first demarcation strip 601-1a between female groove of first slurry storage box and the pilot trench, the first slurry storage box pilot trench 601-1 faces jar body mud and goes out interruption-forming storage slurry seal groove, and the first demarcation strip upper edge hole 601-1b should be lower than the first slurry storage box bead 601-0a and be higher than pulp conduit oral area 661-0; The first demarcation strip upper edge is to satisfy the flooding point that storage slurry seal groove seals liquid level; Pulp conduit oral area and first slurry storage box bottom 601-11 leave and hold the spacing that slurries flow out, and to form the fluid-tight structure, slurries are discharged from pulp conduit oral area thus; Full earlier to the first slurry storage box pilot trench; The surplus slurries constantly overflow the first demarcation strip upper edge, enter the female groove of first slurry storage box, and the female groove of first slurry storage box has discharge slurry outlet 601-6; The first slurry storage box pilot trench has tapping regulating part 601-7.

It is at jar body mud entrance end the second slurry storage box 602-0 to be set that said mud entrance seals structure 602; Claim second slurry storage box female groove again; Be provided with the second slurry storage box pilot trench 602-1 in this second slurry storage box, form the second demarcation strip 602-1a between female groove of second slurry storage box and the pilot trench.

The second slurry storage box pilot trench 602-1 has and jar second slurry storage box pilot trench slurries that body mud entrance 65 a communicates outlet, and this second slurry storage box pilot trench has can hold the vallecular cavity that mud liquid pushing tube G stretches into, and this mud liquid pushing tube is used to transport the mud from peristaltic pump 2.

The said second demarcation strip upper edge hole 602-1b should be lower than the second slurry storage box bead 602-0a; And be higher than mud liquid pushing tube oral area G1; Form storage slurry seal groove; The second demarcation strip upper edge hole is to satisfy the flooding point that storage slurry seal groove seals liquid level, and spacing is left in mud liquid pushing tube oral area and slurry storage box bottom, forms the structure of fluid-tight; The said mud liquor charging mouth of pipe stretches into the second slurry storage box pilot trench, and the second slurry storage box pilot trench has full slurries formation second and seals liquid level 602-1c, so that mud can get into the second slurry storage box pilot trench under the pressure of the certain liquid degree of depth; The second slurry storage box pilot trench is installed the current limliting back-up ring with a jar body mud entrance junction; The current limliting back-up ring can be a conventional means, will not give unnecessary details, and the current limliting back-up ring is to control flow velocity through the qualification of overcurrent bore; So that the quantitative inflow jar body of mud ability, to satisfy the processing of equipment to different mud;

The volume of the second slurry storage box pilot trench vallecular cavity should with the overcurrent bore of second slurry storage box pilot trench current limliting back-up ring coupling, so not only can make to keep full mud to be sent in the second slurry storage box pilot trench, can also ensure that slurries send into the stir chamber processing continually.Thus, mud entrance seals structure and not only jar body mud entrance is formed fluid-tight, also has restriction mud entrance flow, quantitatively send the function of slurry.

Thus, come the pending mud liquid of peristaltic pump, blow slowly via jar body mud entrance to the second slurry storage box pilot trench via the mud liquid pushing tube is constantly full again, quantitative limit flows into a jar body, and processing outgases; Because the configuration of current limliting back-up ring is arranged; Can make the quantitative degassing become more simple; Can be overflowed along the second demarcation strip upper edge by the surplus slurries of current limliting; The logical slurry of configuration pipeline 67 between the female groove of second slurry storage box and the female groove of first slurry storage box is transported to the female groove of first slurry storage box from the slurries of the second slurry storage box pilot trench overflow through this logical slurry pipeline, via the female groove discharge slurry outlet of first slurry storage box discharge.

Female thus groove can not only be responsible for collecting from storage and starch the surplus slurry that overflows in the seal groove, can also collect from the slurries of mud entrance structure overflow, and the equipment integral layout that is is more optimized;

Thus; The degasser of this case can realize that mud all is in airtight condition in whole degasification process; The gas that the appearance air pump is collected all is the gas that mud is deviate from stir process; The accuracy of collecting data for appearance gas provides guarantee, for the true air content that can detect the stratum provides guarantee.

Mud is discharged from said discharge slurry outlet can pass through the recycle of mud circulation pipeline.

Said first slurry storage box pilot trench bottom is provided with the discharging valve port, makes things convenient for mediation, the discharging of this slurry storage box pilot trench.

" be equivalent to " speech and be interpreted as the situation that is slightly larger than or is slightly less than or equal at this paper.

Rationally being arranged so that through the mud after the degassing of this case can also turn back in the mud ditch again; After mud sucks from the imbibition head thus; All the time can under airtight relatively condition, accept processing; Can effectively avoid extraneous factor to disturb, thereby can realize constant current, the purpose that quantitatively outgases, can effectively improve degassing efficiency.

After the preferred embodiment that specifies, be familiar with this technological personage and can clearly understand, do not break away from following claim with spiritual under can carry out various variations and modification, and the present invention also is not subject to the embodiment of the embodiment that lifts in the specification.

Claims

1. an imbibition head that is used for degassing equipment is characterized in that, said imbibition head (1) has an imbibition body (10), and a said imbibition body has liquid collecting cavity (100), and this liquid collecting cavity is used to hold the mud that is inhaled into; Body fluid port (1010) is set on the said imbibition body, and this body fluid port is the passage that holds the mud outflow of liquid collecting cavity; Pipette portion (11) is installed on the imbibition body and with the body fluid port of said imbibition head and is communicated with, and draws mud; This pipette portion is connected with the inlet of peristaltic pump again, is responsible for mud is sent into peristaltic pump; A said imbibition body has feed liquor and filters end plate (102), is used to filter mud.

2. the imbibition head that is used for degassing equipment according to claim 1; It is characterized in that; The resistance structure is set on the said imbibition head clearly, and this clear resistance structure is a scraper plate (105) with can hard to bear drive shaft and can to filter end plate with feed liquor be that the feed liquor that the form of horizontal basal plane rotation is installed in the imbibition head filters on the end plate; The liquid collecting cavity of a said imbibition body filters end plate (102) and this driveshaft end and feed liquor by driveshaft end (103) and feed liquor and filters the shape chamber that the common formation of liquid collecting cavity sidewall (104) between the end plate is held mud; The feed liquor of a said imbibition body filters the feed liquor end that end plate (102) is installed in an imbibition body; This feed liquor filters the feed liquor port (101) that end plate is used to block liquid collecting cavity; The installing drive shaft end in the other end of an imbibition body, this driveshaft end is connected with driving shaft by an imbibition shaft joint (1034); Said feed liquor filters distribution feed liquor sieve aperture on the end plate, and said feed liquor sieve aperture has preset aperture, is distributed in feed liquor and filters the sieve aperture feed pathway (1021) that the common formation of feed liquor sieve aperture on the end plate can be filtered mud.

3. like the said imbibition head that is used for degassing equipment of claim 2; It is characterized in that; Said clear resistance structure is set to scraper plate (105) and is installed on the feed liquor filter end plate level end face of imbibition head by an imbibition connecting shaft element (1035) and securing member (10351); This imbibition connecting shaft element combines with driving shaft through an imbibition shaft joint, forms driving shaft and can drive scraper plate and filter the structure that end plate is horizontal basal plane rotation with feed liquor; Or; Said clear resistance structure is set to scraper plate (105) and is installed on the feed liquor filter end plate level end face of imbibition head by an imbibition connecting shaft element (1035) and securing member (10351); This imbibition connecting shaft element combines with driving shaft through an imbibition shaft joint, forms driving shaft and can drive scraper plate and filter the structure that end plate is horizontal basal plane rotation with feed liquor; Also have, in the liquid collecting cavity of an imbibition body,, be used to clear up the one side that feed liquor filters end plate towards liquid collecting cavity by the secondary scraper plate of an imbibition connecting shaft arrangements of components; The length of said scraper plate should be suitable with the maximum caliber of feed liquor port; Or/and the branch cloth cover maximum gauge of the length of said scraper plate and feed liquor sieve aperture is suitable.

4. like the described arbitrary imbibition head that is used for degassing equipment of claim 1-3, it is characterized in that, the pipette internal diameter diameter of said pipette portion more than or equal to or be not less than the bore of the body fluid port (1010) of an imbibition body; The inlet opening of said pipette liquid storage box (1100) is suitable with the body fluid port bore of this imbibition body; The aperture of said feed liquor sieve aperture is set to diameter less than 2 millimeters; Or the aperture of said feed liquor sieve aperture is set to diameter and is not more than 2 millimeters; Or said feed liquor sieve aperture is set to the sieve aperture structure of the summary tapering that outer hole is little, endoporus is big, and aperture one end of tapering feed liquor sieve aperture is outer hole, and it filters on the horizontal end face of end plate at feed liquor, and the hole diameter of said tapering feed liquor sieve aperture is set to less than 2 millimeters; Or the hole diameter of said tapering feed liquor sieve aperture is set to be not more than 2 millimeters.

5. like the described arbitrary imbibition head that is used for degassing equipment of claim 1-4; It is characterized in that; Said pipette portion is made up of pipette (111) and pipette liquid storage box (110), and the liquid storage cylinder volume of said pipette liquid storage box is less than the liquid collecting cavity volume of an imbibition body; The branch cloth cover of said feed liquor sieve aperture is consistent with the bore area of liquid collecting cavity feed liquor port; The body fluid port (1010) of a said imbibition body is arranged on the liquid collecting cavity sidewall (104), and the outer surface of liquid collecting cavity sidewall is provided with pipette portion installation base surface (1041), and this pipette portion installation base surface is used to install the pipette liquid storage box (110) of pipette portion.

6. the imbibition structure that has the degassing equipment of one of aforementioned claim 1-5 imbibition head; Comprise peristaltic pump (2), imbibition head (1), it is characterized in that the liquid feeding end of said peristaltic pump is installed the imbibition head; Said imbibition head is used for drawing mud from drilling well; The outlet end of peristaltic pump seals structure with the mud entrance of degasser and combines, and wherein, said peristaltic pump (2) has can be with the rotating disk (20) and the flexible pipe (22) of pressure roller rotation; The pressure roller of distributed and arranged (21) on the rotating disk, said pressure roller are uniformly distributed with and are arranged on the concentrically ringed circumference of rotating disk; Said mud entrance seals structure and is meant that jar body mud entrance is all the time by the structure of liquid level shutoff.

7. like the imbibition structure of the said degassing equipment of claim 6, it is characterized in that the radius that the flexible pipe of said peristaltic pump (22) is set to flexible pipe pipe thickness and flexible pipe endoporus is suitable;

When this flexible pipe by pressure roller extruding, when being in release conditions, the diameter of flexible pipe endoporus is equivalent to flexible pipe pipe thickness and the interior pore radius sum of flexible pipe;

When this flexible pipe is pushed by pressure roller, when flexible pipe was in closure state, the tube wall gross thickness of flexible pipe was equivalent to 2 times of pipe thicknesses.

8. like the imbibition of one of claim 6-7 said degassing equipment structure, it is characterized in that, when the flexible pipe of said peristaltic pump is in release conditions, the hose diameter size account for pressure roller length 2/3 or 5/7;

When flexible pipe was in closure state, 2 times flexible pipe pipe thickness was suitable with the radius size of pressure roller; The flexible pipe width dimensions of closure state is suitable with the length of pressure roller; Or the width dimensions of flexible pipe is slightly less than the length of pressure roller;

The hexagonal angle of being separated by between the adjacent pressure roller, the diameter of the flexible pipe endoporus of said peristaltic pump is greater than the pipette interior diameter of pipette portion (11); Or the diameter of flexible pipe endoporus is more than or equal to the mouth diameter of peristaltic pump inlet.

9. the degassing equipment with the described imbibition head of one of aforementioned 1-5 claim comprises degasser (6), peristaltic pump (2), imbibition head (1), it is characterized in that described driving shaft is a flexible axle; A said imbibition shaft joint is set to the moment of torsion shaft joint; Said degasser has airtight construction, and this airtight construction is to seal structure (601) and mud entrance seals structure (602) and exhausting formula exhaust outlet formation by mud outlet; The exhaust outlet of said degasser (7) is set to form by negative pressure of vacuum the exhaust outlet of suction, both has been exhausting formula exhaust outlet; Said jar of body mud exit has the mud outlet and seals structure, and this mud outlet is sealed structure and is meant that jar body mud outlet is all the time by the structure of liquid level shutoff; It is in jar body mud exit first slurry storage box (601-0) to be set that structure (601) is sealed in said mud outlet; Be provided with the first slurry storage box pilot trench (601-1) in this first slurry storage box; Jar body mud export department (66) has the pulp conduit (661) that can stretch in the first slurry storage box pilot trench, and this first slurry storage box pilot trench planted agent has first and seals liquid level (601-1c); Form first demarcation strip (601-1a) between female groove of said first slurry storage box and the pilot trench; The first slurry storage box pilot trench (601-1) faces jar body mud and goes out interruption-forming storage slurry seal groove; The first demarcation strip upper edge hole (601-1b) should be lower than the first slurry storage box bead (601-0a) and be higher than pulp conduit oral area (661-0); The first demarcation strip upper edge is to satisfy the flooding point that storage slurry seal groove seals liquid level, and pulp conduit oral area and first slurry storage box bottom (601-11) are left and held the spacing that slurries flow out;

Or with; It is at jar body mud entrance end second slurry storage box (602-0) to be set that said mud entrance seals structure (602); Claim second slurry storage box female groove again, be provided with the second slurry storage box pilot trench (602-1) in this second slurry storage box, form second demarcation strip (602-1a) between female groove of second slurry storage box and the pilot trench;

The second slurry storage box pilot trench (602-1) has and jar second slurry storage box pilot trench slurries that body mud entrance (65) a communicates outlet, and this second slurry storage box pilot trench has can hold the vallecular cavity that the mud liquid pushing tube stretches into;

The said second demarcation strip upper edge hole (602-1b) should be lower than the second slurry storage box bead (602-0a); And be higher than mud liquid pushing tube oral area; Form storage slurry seal groove, the second demarcation strip upper edge hole is to satisfy the flooding point that storage slurry seal groove seals liquid level, and spacing is left in mud liquid pushing tube oral area and slurry storage box bottom; The said mud liquor charging mouth of pipe stretches into the second slurry storage box pilot trench, and the second slurry storage box pilot trench has full slurries formation second and seals liquid level (602-1c); The second slurry storage box pilot trench is installed the current limliting back-up ring with a jar body mud entrance junction.

10. the degassing equipment with the said imbibition structure of aforementioned 6 or 7 or 8 claims comprises degasser (6), peristaltic pump (2), imbibition head (1), it is characterized in that described driving shaft is a flexible axle; A said imbibition shaft joint is set to the moment of torsion shaft joint; Said degasser has airtight construction, and this airtight construction is to seal structure (601) and mud entrance seals structure (602) and exhausting formula exhaust outlet formation by mud outlet; The exhaust outlet of said degasser (7) is set to form by negative pressure of vacuum the exhaust outlet of suction, both has been exhausting formula exhaust outlet; Said jar of body mud exit has the mud outlet and seals structure, and this mud outlet is sealed structure and is meant that jar body mud outlet is all the time by the structure of liquid level shutoff; It is in jar body mud exit first slurry storage box (601-0) to be set that structure (601) is sealed in said mud outlet; Be provided with the first slurry storage box pilot trench (601-1) in this first slurry storage box; Jar body mud export department (66) has the pulp conduit (661) that can stretch in the first slurry storage box pilot trench, and this first slurry storage box pilot trench planted agent has first and seals liquid level (601-1c); Form first demarcation strip (601-1a) between female groove of said first slurry storage box and the pilot trench; The first slurry storage box pilot trench (601-1) faces jar body mud and goes out interruption-forming storage slurry seal groove; The first demarcation strip upper edge hole (601-1b) should be lower than the first slurry storage box bead (601-0a) and be higher than pulp conduit oral area (661-0); The first demarcation strip upper edge is to satisfy the flooding point that storage slurry seal groove seals liquid level, and pulp conduit oral area and first slurry storage box bottom (601-11) are left and held the spacing that slurries flow out;