CN106014309A - Solid control equipment for water-based drilling fluid - Google Patents
Solid control equipment for water-based drilling fluid Download PDFInfo
- Publication number
- CN106014309A CN106014309A CN201610603698.5A CN201610603698A CN106014309A CN 106014309 A CN106014309 A CN 106014309A CN 201610603698 A CN201610603698 A CN 201610603698A CN 106014309 A CN106014309 A CN 106014309A
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- CN
- China
- Prior art keywords
- shell
- screen plate
- solid
- control equipment
- water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
Abstract
The invention discloses solid control equipment for water-based drilling fluid. The solid control equipment comprises a shell, a feeding port and a discharging port. A sand discharging port is formed in the side wall of the shell, a first filtering plate is connected to the inner wall of the shell in a hinged mode, the movable end of the first filtering plate penetrates through the sand discharging port, the height of the top face of the sand discharging port is smaller than that of hinges on the inner wall of the shell, a plurality of springs are installed below the movable end of the first filtering plate, the lower ends of the springs are fixed to the bottom face of the sand discharging port, and a second filtering plate located in the shell is horizontally arranged under the first filtering plate. According to the solid control equipment, by means of the gravity of the water-based drilling fluid, while solid-phase separation is carried out, the sand discharging port is opened through the gravity of solid-phase particles accumulated at the movable end of the first filtering plate, the solid-phase particles are discharged, it is avoided that a screw conveyor is used for discharging the solid-phase particles in the shell, the risk of injury of operation personnel is reduced, and the use cost of the device is reduced.
Description
Technical field
The present invention relates to drilling fluid reclamation field, be particularly used for the solid control equipment of water-based drilling muds.
Background technology
Drilling fluid is also referred to as drilling mud, is the general name of the various circulation of fluids used in drilling process.In drilling process, drilling fluid can not only effectively cool down and lubricate drill bit, is also equipped with balancing layer pressure, it is to avoid blowout and the effect of well kick occur, and moreover, drilling fluid can also transmit power and coring sampling.
Different according to disperse medium, drilling fluid is broadly divided into water-base drilling fluid, oil base drilling fluid gentle base drilling fluid three major types.
In drilling process, drilling fluid enters to bottom by drilling rod, after completing its effect with drilling well in the waste residue that produces discharge together, due to drilling fluid not only price high and also can welding, so should reclaim drilling fluid, solid controlling system is for reclaiming drilling fluid.Solid controlling system is also called drilling-fluid circulation system and drilling fluid cleaning system.Solid controlling system mainly includes the solid control equipments such as drilling fluid vibrating sieve, vacuum degasser, desander, desilter, horizontal spiral centrifuge.These solid control equipments, just as a series of sizes, sieve that function is different, realize the purification to drilling fluid and recycling by filtering layer by layer.
Desander is two grades of solid controlling systems of drilling fluid reclamation technique, and drilling fluid, after tentatively sieving bigger solid phase particles through drilling fluid vibrating sieve, i.e. enters in desander, removes the solid phase particles that granularity is 40 ~ 80 μm contained in drilling fluid.
Traditional desander is after separating drilling fluid with solid phase particles, and solid phase particles is carried over desander by auger conveyor, but auger conveyor is breakneck, if operator's operational error will produce serious consequence in practical operation.
Summary of the invention
The technical problem to be solved is the defect for tradition desander, purpose is to provide the solid control equipment for water-based drilling muds, for water-base drilling fluid, solve tradition desander owing to using auger conveyor to easily cause the problem that operator are injured.
The present invention is achieved through the following technical solutions: for the solid control equipment of water-based drilling muds, including shell, described cover top portion is provided with charging aperture, outer casing bottom is provided with discharging opening, it is provided with sediment ejection opening on the sidewall of shell, on the inwall of shell, chain connection has the first screen plate, the movable end of described first screen plate passes sediment ejection opening, and first the upper surface of screen plate contact with the end face of sediment ejection opening, the height of sediment ejection opening end face is less than the height of hinge on outer casing inner wall, the lower section of the movable end of the first screen plate is provided with some springs, the lower end of described spring is fixed on the bottom surface of sediment ejection opening, the underface of the first screen plate is horizontally disposed with the second screen plate being positioned at shell.In prior art, traditional desander is after separating drilling fluid with solid phase particles, solid phase particles is carried over desander by auger conveyor, but auger conveyor is breakneck, if operator's operational error will produce serious consequence in practical operation.In order to solve the problems referred to above, the invention provides a kind of for water-based drilling muds, it is not necessary to use the desander of auger conveyor conveying solid phase particles.The viscosity of water-based drilling muds is low compared with oil-based drilling mud, and the phenomenon of liquid phase parcel solid phase is relatively less, causes biphase being easier of solid-liquid to separate.This device has the parts that the existing desanders such as shell, charging aperture, discharging opening are owned by, except for the difference that, this device is provided with sand discharge hole on the sidewall of shell, be connected through the hinge on the inwall of shell the first screen plate, the movable end of the first screen plate is in communication with the outside through sand discharge hole, the upper surface of the first screen plate contacts with sand discharge hole end face, and lower surface connects some springs, and spring is fixed on the bottom in sand discharge hole.The height of the end face in sand discharge hole is less than the height of hinge, pass through this set, the first screen plate is made to have certain angle of inclination, rather than with plane-parallel, when this device horizontal positioned is on the ground and time the movable end of the first screen plate contacts with the end face in sand discharge hole, the height of the first screen plate hinged end is more than the height of movable end, and after the drilling mud in charging aperture falls on the first screen plate, drilling mud can slide to movable end along the first screen plate from hinged end.The lower section of the first screen plate is provided with the second screen plate, and the second screen plate also is located at the inside of shell.By said structure, when there being water-based drilling muds to enter enclosure from charging aperture, first falling on the first screen plate, due to action of gravity and the first screen plate of being obliquely installed, drilling mud moves to movable end along the first screen plate from hinged end.While movement, the aqueous phase in drilling mud falls into the second screen plate through the first screen plate, and after the filtration again of the second screen plate, the aqueous phase in drilling mud is discharged from discharging opening.On the other hand, owing to drilling mud is moving to movable end, and, it is positioned at the drilling mud of movable end compared with the drilling mud just dropped down onto on the first screen plate, its solid particle comprised is more, movable end is caused to be moved straight down by after the gravity of drilling mud, spring below movable end is squeezed, now the upper surface of movable end no longer contacts with the end face of sediment ejection opening, gap is formed between sediment ejection opening and the first screen plate, a small amount of drilling mud is discharged from the gap between sediment ejection opening and the first screen plate with substantial amounts of solid phase particles, enter next stage solid control equipment.After sand discharge completes, movable end pressure experienced reduces, and spring recovers to initial position, and the upper surface of the first screen plate contacts the end face of sediment ejection opening again.In sum, the present invention gravity by water-based drilling muds self, while while carrying out solid phase separation, while being opened sediment ejection opening by the gravity of the solid phase particles self being deposited in movable end, realize the discharge of solid phase particles, avoid the solid phase particles using auger conveyor to discharge in shell, not only reduce the risk that operator are injured, and saved the use cost of desander.
Further, the refluxing opening being positioned at below sediment ejection opening it is provided with on the sidewall of shell, the 3rd screen plate being fixed with between sediment ejection opening and refluxing opening on the side of shell, the height of one end that the 3rd screen plate is fixed on shell is higher than the other end, the lower section of the 3rd screen plate is provided with and connects liquid plate, described one end connecing liquid plate is arranged in refluxing opening, and the height of the one end being arranged in refluxing opening is less than the other end.Biphase in order to separate solid-liquid further, liquid phase in recovery drilling mud as much as possible, after a small amount of drilling mud leaves shell with most of solid granule, fall on the 3rd screen plate, 3rd screen plate is obliquely installed, and drilling mud slides to the one end away from shell along the 3rd screen plate near one end of shell, during sliding, drilling mud is while separating with solid phase particles, and the aqueous phase of separation drops down onto connecing on liquid plate below the 3rd screen plate.Connect liquid plate to be obliquely installed equally, by refluxing opening, aqueous phase is returned in shell, and final discharge from discharging opening.By above-mentioned setting, it is possible to separate the solid-liquid in drilling fluid further biphase, reach to reclaim the purpose of more drilling mud.
Further, the aperture of filter screen of the second screen plate less than the first screen plate aperture of filter screen 1/2nd.Find in practice, the aperture of filter screen of the second screen plate is set smaller than the first screen plate aperture of filter screen 1/2nd can not only ensure that drilling mud can well move and control the movable end of the first screen plate on the first screen plate and produce gap with sediment ejection opening, the second screen plate can remove the solid phase particles in drilling mud further simultaneously.
Further, spring is tensioner spring.Tensioner spring can keep while elasticity, have enough hardness and go to support the first screen plate, add the service life of device, it is to avoid changes spring frequently or keeps in repair.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, the present invention gravity by water-based drilling muds self, while while carrying out solid phase separation, while being opened sediment ejection opening by the gravity of the solid phase particles self being deposited in movable end, realize the discharge of solid phase particles, avoid the solid phase particles using auger conveyor to discharge in shell, not only reduce the risk that operator are injured, and save the use cost of device；
2, the present invention is by arranging the 3rd screen plate, refluxing opening, connecing liquid plate, it is achieved that separates the solid-liquid in drilling fluid further biphase, reaches to reclaim the purpose of more drilling mud；
3, find in practice, the aperture of filter screen of the second screen plate is set smaller than the first screen plate aperture of filter screen 1/2nd, not only ensureing that drilling mud can move and control movable end and the sediment ejection opening generation gap of the first screen plate on the first screen plate well, the second screen plate can remove the solid phase particles in drilling mud further simultaneously.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes the part of the application, is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is present configuration schematic diagram.
The parts title of labelling and correspondence in accompanying drawing:
1-shell, 2-charging aperture, 3-discharging opening, 4-the first screen plate, 5-the second screen plate, 6-spring, 7-the 3rd screen plate, 8-connects liquid plate.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, not as a limitation of the invention.
Embodiment
As shown in Figure 1, the present invention is the solid control equipment for water-based drilling muds, including shell 1, shell 1 top is provided with charging aperture 2, discharging opening 3 it is provided with bottom shell 1, it is provided with sediment ejection opening on the sidewall of shell 1, on the inwall of shell 1, chain connection has the first screen plate 4, the movable end of the first screen plate 4 passes sediment ejection opening, and first the upper surface of screen plate 4 contact with the end face of sediment ejection opening, the height of sediment ejection opening end face is less than the height of hinge on shell 1 inwall, the lower section of the movable end of the first screen plate 4 is provided with some springs 6, the lower end of spring 6 is fixed on the bottom surface of sediment ejection opening, the underface of the first screen plate 4 is horizontally disposed with the second screen plate 5 being positioned at shell 1.The refluxing opening being positioned at below sediment ejection opening it is provided with on the sidewall of shell 1, the 3rd screen plate 7 being fixed with between sediment ejection opening and refluxing opening on the side of shell 1, the height of one end that the 3rd screen plate 7 is fixed on shell 1 is higher than the other end, the lower section of the 3rd screen plate 7 is provided with and connects liquid plate 8, the one end connecing liquid plate 8 is arranged in refluxing opening, and the height of the one end being arranged in refluxing opening is less than the other end.The aperture of filter screen of the second screen plate 5 is less than 1/2nd of the aperture of filter screen of the first screen plate 4.Spring 6 is tensioner spring.
When using this device, first, check the elasticity of tensioner spring 6, observe whether the first screen plate 4 contacts with sediment ejection opening end face；Afterwards, open charging aperture 2, discharge gate 3, pour water-based drilling muds into；Then, the separation in drilling mud portion in the enclosure is waited, it is also possible to artificial up-down vibration that first screen plate 4 is carried out, increase solid-liquid separation effect and speed；Last at discharge gate 3, collect aqueous phase, collect solid phase particles at the 3rd screen plate 7 away from one end of shell 1.The present invention gravity by water-based drilling muds self, while while carrying out solid phase separation, while being opened sediment ejection opening by the gravity of the solid phase particles self of the movable end being deposited in the first screen plate 4, realize the discharge of solid phase particles, avoid the solid phase particles using auger conveyor to discharge in shell, not only reduce the risk that operator are injured, and save the use cost of device.
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only the detailed description of the invention of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (4)
1. for the solid control equipment of water-based drilling muds, including shell (1), described shell (1) top is provided with charging aperture (2), shell (1) bottom is provided with discharging opening (3), it is characterized in that, it is provided with sediment ejection opening on the sidewall of shell (1), on the inwall of shell (1), chain connection has the first screen plate (4), the movable end of described first screen plate (4) passes sediment ejection opening, and first the upper surface of screen plate (4) contact with the end face of sediment ejection opening, the height of sediment ejection opening end face is less than the height of hinge on shell (1) inwall, the lower section of the movable end of the first screen plate (4) is provided with some springs (6), the lower end of described spring (6) is fixed on the bottom surface of sediment ejection opening, the underface of the first screen plate (4) is horizontally disposed with the second screen plate (5) being positioned at shell (1).
Solid control equipment for water-based drilling muds the most according to claim 1, it is characterized in that, it is provided with, on the sidewall of described shell (1), the refluxing opening being positioned at below sediment ejection opening, the 3rd screen plate (7) being fixed with between sediment ejection opening and refluxing opening on the side of shell (1), the height of one end that described 3rd screen plate (7) is fixed on shell (1) is higher than the other end, the lower section of the 3rd screen plate (7) is provided with and connects liquid plate (8), described one end connecing liquid plate (8) is arranged in refluxing opening, and the height of the one end being arranged in refluxing opening is less than the other end.
Solid control equipment for water-based drilling muds the most according to claim 1 and 2, it is characterised in that the aperture of filter screen of described second screen plate (5) is less than 1/2nd of the aperture of filter screen of the first screen plate (4).
Solid control equipment for water-based drilling muds the most according to claim 3, it is characterised in that described spring (6) is tensioner spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610603698.5A CN106014309A (en) | 2016-07-28 | 2016-07-28 | Solid control equipment for water-based drilling fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610603698.5A CN106014309A (en) | 2016-07-28 | 2016-07-28 | Solid control equipment for water-based drilling fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106014309A true CN106014309A (en) | 2016-10-12 |
Family
ID=57115512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610603698.5A Pending CN106014309A (en) | 2016-07-28 | 2016-07-28 | Solid control equipment for water-based drilling fluid |
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| Country | Link |
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| CN (1) | CN106014309A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693513A (en) * | 2017-02-08 | 2017-05-24 | 湖南省交通规划勘察设计院 | Cyclic utilization sedimentation tank suitable for drilling water and cyclic utilization method |
| CN109289252A (en) * | 2018-11-21 | 2019-02-01 | 阮鑫 | A kind of energy-saving and environment-friendly water-oil separation pipeline |
| CN111794702A (en) * | 2020-07-16 | 2020-10-20 | 陕西艾潽机械制造有限公司 | Degassing vibrating screen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693513A (en) * | 2017-02-08 | 2017-05-24 | 湖南省交通规划勘察设计院 | Cyclic utilization sedimentation tank suitable for drilling water and cyclic utilization method |
| CN109289252A (en) * | 2018-11-21 | 2019-02-01 | 阮鑫 | A kind of energy-saving and environment-friendly water-oil separation pipeline |
| CN111794702A (en) * | 2020-07-16 | 2020-10-20 | 陕西艾潽机械制造有限公司 | Degassing vibrating screen |
| CN111794702B (en) * | 2020-07-16 | 2022-03-29 | 陕西艾潽机械制造有限公司 | Degassing vibrating screen |
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Application publication date: 20161012 |