CN109869111A - Follow-up deviation-adjusting polish rod sealing and liquid-drive blowout prevention integrated device - Google Patents
Follow-up deviation-adjusting polish rod sealing and liquid-drive blowout prevention integrated device Download PDFInfo
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- CN109869111A CN109869111A CN201910192402.9A CN201910192402A CN109869111A CN 109869111 A CN109869111 A CN 109869111A CN 201910192402 A CN201910192402 A CN 201910192402A CN 109869111 A CN109869111 A CN 109869111A
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- 230000002265 prevention Effects 0.000 title claims abstract description 65
- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 160
- 239000003292 glue Substances 0.000 claims abstract description 89
- 238000012856 packing Methods 0.000 claims abstract description 45
- 238000002347 injection Methods 0.000 claims abstract description 27
- 239000007924 injection Substances 0.000 claims abstract description 27
- 230000003068 static effect Effects 0.000 claims abstract description 21
- 239000003921 oil Substances 0.000 claims description 59
- 239000010720 hydraulic oil Substances 0.000 claims description 16
- 238000003032 molecular docking Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 241000826860 Trapezium Species 0.000 claims 1
- 229910052755 nonmetal Inorganic materials 0.000 abstract 3
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- 238000003825 pressing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
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- 230000005540 biological transmission Effects 0.000 description 1
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 1
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- Sealing Devices (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention provides a follow-up deviation-adjusting polish rod sealing and liquid-drive blowout prevention integrated device which is applied to wellhead sealing and blowout prevention of oil and gas fields. The device consists of a polished rod sealer, a follow-up offset adjuster, a buckle blowout preventer and a liquid drive power device, wherein the follow-up offset adjuster finishes radial follow-up sliding offset adjustment according to lateral eccentric force when a sucker rod and a wellhead tee joint are eccentric and automatically compensates offset between the polished rod sealer and the sucker rod, and simultaneously forms three-stage nonmetal static seal according to L-shaped sealing rings and double sealing rings, and the polished rod sealer adopts a columnar long box body and forms two-stage nonmetal dynamic seal according to glue injection packing and between a rectangular sealing ring and the sucker rod; the hydraulic drive power device provides power and pushes a left buckle body and a right buckle body of the buckle blowout preventer to perform radial precise buckle sliding blowout prevention operation along a buckle channel of the blowout prevention body through a hydraulic drive rod of the hydraulic drive power device, and meanwhile, the buckle blowout preventer forms nonmetal static seal between the blowout prevention body and the left buckle body and between the buckle body and the right buckle body through the shell seal core.
Description
Technical field
The present invention relates to a kind of devices of petroleum works field wellhead polish rod sealing and blowout prevention, more particularly to a kind of diameter
Blowout prevention integrated apparatus is driven to the polished rod seal and liquid of servo-actuated sliding tuningout and radial accurate buckle sliding blowout prevention.
Background technique
Major part oil/gas well in China's has entered the machine instruction statement mining phase at present, and the exploitation of unconventional gas well has also entered business and exploited
What the equipment of stage, oil/gas well and the exploitation of unconventional gas well generallyd use pumping unit, oil well pump and the oil pumping compositions such as rod tube has bar
Winning apparatus, for there is bar winning apparatus, at well head, the performance of sucker rod sealing and blowout hookup, which is directly related to, entirely bar
The efficiency of mining system and the yield of oil gas.
It is existing to have sucker rod sealing and blowout prevention technology at bar mining system well head that conclude are as follows: 1) conventional wellhead sealing dress
It sets, sealed packing realizes its sealing function by gland axial compression, and the structure of the device is simple, and easy to operate,
However it must be shut down when the disadvantage is that replacing sealed packing, and be not provided with necessary adjusting deviation device.2) modified well head is close
Seal apparatus, its pressure is transferred to gland by screw thread by pressure cap, and by gland compression seal packing, sealed packing generates diameter
It completes to seal to deformation, when needing replacing sealed packing, rotates adjusting screw by semicircle shape sealing ring and be pressed on sucker rod
On, this device increases blowout prevention function relative to conventional well mouth sealing device, and its defect is to be not provided with necessary aligning machine
Structure and righting mechanism, structure is complicated for blowout prevention component, the higher cost of the manufacturing, and needs to rotate two simultaneously in job execution
A adjusting screw, and then increase the operation difficulty of worker.3) novel well head sealing device, upper pressing sleeve compress cone seal packing simultaneously
So that it is generated radial deformation to achieve the purpose that sealing, while the active force to rectangle packing is generated to realize by lower cover
Blowout prevention function, but find that its defect is unreasonable for the shape and material selection of sealed packing in use, sealed packing
Sealing effect is not satisfactory, and the installation and removal of sealed packing are inconvenient, and anti-spraying mechanism design is relatively simple and repeats operation
Number is limited, and adjusting deviation device can not achieve large-scale follow-up centering operation and make the crash rate of sealed packing still higher.
Summary of the invention
In order to overcome existing oil/gas well and unconventional gas well to have sucker rod sealing and blowout prevention technology at bar mining system well head
Existing defect and deficiency, the object of the present invention is to provide the following deflection-regulation polished rod of a kind of suitable wellhead sealing and blowout prevention operating condition is close
Envelope and liquid drive blowout prevention integrated apparatus.The polished rod seal and liquid drive injecting glue disk of the blowout prevention integrated apparatus according to polished rod sealer
Root, rectangular seal ring and double seal ring, the L V-shaped ring of following deflection-regulation device and bar sealed core and the shell sealing for buckling preventer
Core, and the power for combining liquid driving force device to provide realize that the servo-actuated sliding tuningout of the radial direction of sucker rod at well head, twin-stage are nonmetallic dynamic
Sealing and radial accurate buckle sliding preventing spraying operation.
The technical solution adopted by the present invention to solve the technical problems is to develop a kind of following deflection-regulation polished rod seal and liquid drives
Blowout prevention integrated apparatus is mainly made of polished rod sealer, following deflection-regulation device, buckle preventer and several parts of liquid driving force device,
The polished rod seal and liquid are driven blowout prevention integrated apparatus and are constructed using axial symmetry and by the hoop and well head three of buckle preventer
Lead to and be integrated, polished rod sealer, following deflection-regulation device and buckle preventer are all made of revolving body and the from top to bottom sequentially coaxially heart
Arrangement, liquid driving force device are arranged in the two side ends of buckle preventer along sucker rod and wellhead tee joint radial symmetric.
Polished rod sealer shape using the long box body of column and according to its injecting glue packing and rectangular seal ring and between sucker rod
At twin-stage nonmetallic dynamic sealing, it include sealed box body, seal pressure cap, seal joint, Liner Seal Ring, glue injection body, double seal ring,
Rectangular seal ring and injecting glue packing.
Sealed box body uses semi-enclosed oval box body, and seal pressure cap uses semi-enclosed oblate box body, sealed box body
Outer ring surface top thread cutting and be connected with seal pressure cap, sealed box body and seal pressure cap it is concentric arrangement and with sucker rod it
Between formed in the annular space of annular space, sealed box body and seal pressure cap and sucker rod and be provided, in sequence from bottom to top, with sealing lining
Ring, injecting glue packing, rectangular seal ring and seal joint, Liner Seal Ring and seal joint along its it is axial successively compress injecting glue packing and
Rectangular seal ring, injecting glue packing and rectangular seal ring are radially deformed simultaneously along sucker rod, and in sucker rod and polished rod seal
Twin-stage nonmetallic dynamic sealing is formed between device.Injecting glue eyelet, the injecting glue eyelet of sealed box body are equipped in the middle part of the box wall of sealed box body
It is connected by screw thread with glue injection body, glue injection channel of the colloid-injecting gun through glue injection body simultaneously implements injecting glue work by the injecting glue eyelet of sealed box body
Thus industry forms injecting glue packing in the annular space of sealed box body and seal pressure cap and sucker rod.
The bottom end facing cut of sealed box body is at sealing glide mirror (plane) and is milled with the ring-shaped groove of concentric hierarchal arrangement, seal box
Double seal ring is configured in the ring-shaped groove of body, and realizes the sealing between sealed box body and tuningout ontology.The outer ring of sealed box body
Face lower part is equipped with circumferential clasp, and at tuningout thrust plane, the tuningout of sealed box body stops the upper end facing cut of sealed box body circumferential clasp
It is bulldozed between face and the tuningout clamping plane of tuningout pressure cap and fits closely, be achieved in the axial restraint of polished rod sealer.
The box wall of seal pressure cap and tuningout pressure cap is equipped with the square cell being radially arranged symmetrically, seal pressure cap and tune
The square cell of bias cap is matched with the Fang Jing of impact wrench.The cassette bottom facing cut of seal pressure cap is at sealing clamping plane, sealing
It is fitted closely between sealing clamping plane and the upper surface of seal joint of pressure cap, from there through impact wrench screwing hermetic pressure
Cap, and move seal joint downward along the ring cavity inner wall of sealed box body.
Seal joint and Liner Seal Ring use thick-wall cylinder, and circular orientation ring is arranged in the top of seal joint, and seals pressure
Ring realizes radial positioning according to its circular orientation ring, and precision is matched between the outer ring surface of seal joint and the ring cavity inner wall of sealed box body
It closes and constitutes cylinder prismatic pair, and be gap-matched between the outer ring surface of Liner Seal Ring and the ring cavity inner wall of sealed box body, and
The outer ring surface of Liner Seal Ring is milled with the annular oil duct along its axial equidistant hierarchal arrangement, in each layer annular oil duct of Liner Seal Ring
Fill lubricating grease.
The cassette bottom central part of sealed box body and seal pressure cap is drilled with guide rod circular hole, in seal joint and Liner Seal Ring
Centre position is drilled with slide bar eyelet, and the guide rod circular hole aperture and seal joint of sealed box body and seal pressure cap and Liner Seal Ring
Sliding rod hole eyelet diameter be all larger than the bar diameter of sucker rod.
Glue injection body is made of glue injecting head and injecting glue plug screw, the injecting glue plug screw of glue injection body using standard plug screw and by screw thread with
Glue injecting head is connected, and is achieved in the sealing of sealed box body, and the glue injecting head of glue injection body uses thin-wall barrel, and the end of glue injecting head uses
Nipple and its ring cavity are equipped with glue injection channel, and the glue injection channel of glue injection body uses the ladder surface of revolution.
In twin-stage nonmetallic dynamic sealing operation, by impact wrench screwing hermetic pressure cap, and make seal joint along seal box
The ring cavity inner wall of body moves downward, and then Liner Seal Ring and seal joint are along its axial successively compression injecting glue packing and rectangular seal
Ring, injecting glue packing and rectangular seal ring are radially same along sucker rod in the annular space of sealed box body and seal pressure cap and sucker rod
When be deformed, thus between sucker rod and polished rod sealer formed twin-stage nonmetallic dynamic sealing.
Lateral eccentricity power when following deflection-regulation device is according to sucker rod and wellhead tee joint bias completes radial servo-actuated sliding tuningout
And the offset between automatic compensating polished rod sealer and sucker rod, while according to L V-shaped ring and double seal ring and and polished rod
The nonmetallic static seal of three-level is formed between sealer, it includes tuningout pressure cap, L V-shaped ring and tuningout ontology.
Tuningout ontology and tuningout pressure cap are all made of semi-enclosed oblate box body, the cassette bottom center of tuningout ontology and tuningout pressure cap
Position is drilled with tuningout circular hole.The circumferential clasp of the ring cavity inner wall arrangement sealed box body of tuningout ontology, and the box top of tuningout ontology
Face and cassette bottom face mill into tuningout layered plane and tuningout glide mirror (plane) respectively, and it is close that the tuningout layered plane of tuningout ontology is milled with annular
Chase is sealed, configures L V-shaped ring, the tuningout glide mirror (plane) of tuningout ontology and sealed box body in the ring packing chase of tuningout ontology
Sealing glide mirror (plane) between precision-fit and constitute planar movement pair, while the internal diameter of tuningout ontology be greater than sealed box body annular
The outer ring surface diameter of snap ring, and the tuningout circular hole aperture of tuningout pressure cap is greater than the outer diameter of sealed box body, is achieved in following deflection-regulation
The servo-actuated sliding of significantly any position between device and polished rod sealer.The cassette bottom central part of tuningout ontology is equipped with tubular circle
Platform, the lower end surface of tuningout ontology tubular rotary table are milled with cone cell card slot, and the cross section of tuningout ontology cone cell card slot is in a rectangular trapezoid.
The cassette bottom facing cut of tuningout pressure cap is at tuningout clamping plane, the tuningout clamping plane of tuningout pressure cap and the tune of tuningout ontology
Inclined layered plane, which matches to merge, compresses L V-shaped ring, while the sealing of the tuningout glide mirror (plane) of tuningout ontology and sealed box body is sliding
It moving plane and compresses double seal ring, L V-shaped ring and double seal ring are deformed simultaneously, and in polished rod sealer and following deflection-regulation device
Between formed the nonmetallic static seal of three-level.
Double seal ring is constructed using binary, and rectangular seal ring and L V-shaped ring are all made of unibody construction, double seal ring and square
The cross section of V-shaped ring is in rectangle, and the cross section of L V-shaped ring is in inverted L shape, and L V-shaped ring and tuningout pressure cap
Between the ring packing chase ditch bottom surface of the tuningout layered plane and tuningout ontology of tuningout clamping plane and tuningout ontology simultaneously
Form seal band.
In radial servo-actuated sliding tuningout operation, when sucker rod and wellhead tee joint generate eccentric, polished rod sealer and sucker rod
Position in sealing contact generate lateral eccentricity power, then the sealing sliding of the tuningout glide mirror (plane) of tuningout ontology and sealed box body is flat
Be servo-actuated sliding between face, and offset between automatic compensating polished rod sealer and sucker rod and continue to keep concentric state；
Then tuningout pressure cap is screwed by impact wrench, and moves tuningout pressure cap axially downward along it, then pass through tuningout pressure cap
The tuningout layered plane of tuningout clamping plane and tuningout ontology compresses L V-shaped ring respectively, while via the tuningout of tuningout ontology
Glide mirror (plane) and the sealing glide mirror (plane) of sealed box body compress double seal ring respectively, and L V-shaped ring and double seal ring generate simultaneously
Thus deformation forms the nonmetallic static seal of three-level between polished rod sealer and following deflection-regulation device.
It buckles preventer and implements radial accurate buckle sliding preventing spraying operation along the buckle channel of its anti-sprinkler body, and is close according to bar
Seal core clamping sucker rod, while by shell sealed core formed between anti-sprinkler body and left buckling body and right jamming button body it is nonmetallic quiet close
Envelope, it includes anti-sprinkler body, left buckling body, right jamming button body and hoop.
Anti- sprinkler body uses drum type brake four-way, and two logical ends are equipped with cartridge fittings, the cylinder of anti-sprinkler body upper end to anti-sprinkler body up and down
Shape fitting end is equipped with cone cell snap ring, and the cone cell snap ring of anti-sprinkler body is matched with the cone cell card slot of tuningout ontology, and passes through circumference
The mode of weldering will buckle preventer and be linked together with following deflection-regulation device.Two logical central parts are drilled with blowout prevention circle to anti-sprinkler body up and down
Hole, the blowout prevention circular hole aperture of anti-sprinkler body are equal to the tuningout circular hole aperture of tuningout ontology and are greater than the guide rod circular hole hole of sealed box body
The annular that diameter, the blowout prevention circular hole of anti-sprinkler body and the tuningout circular hole of tuningout ontology form oil liquid flowing between sucker rod simultaneously is empty
Between.The screw hole that the logical outer rim vehicle system of anti-sprinkler body or so two is evenly distributed, and the central part that anti-sprinkler body or so two leads to is milled with
Buckle channel, the buckle channel of anti-sprinkler body and its blowout prevention circular hole intersect vertically arrangement, and anti-sprinkler body buckles the hole wall in channel by two
The slideway circular arch face of a concentric arrangement and two slideway plane combinations being parallel to each other form.
Left buckling body it is identical with structure with the specification of right jamming button body and by buckle ontology, bar sealed core, shell sealed core and
Positioning pin composition, buckle ontology use cylindricality bloom, and buckle ontology is drilled with arch card hole, left buckle along its axial inner side end
When body and right jamming button body clamping sucker rod, the axis of cylinder and the axis of sucker rod coincide where buckle ontology arch card hole,
And the diameter of cylinder where buckling ontology arch card hole is greater than the bar diameter of sucker rod.It buckles and is milled with square in the middle part of the arch card hole of ontology
Shape seal groove buckles configuration bar sealed core in the rectangular seal slot of ontology, is achieved between sucker rod and buckle preventer
Nonmetallic static seal, the groove bottom of buckle ontology rectangular seal slot use plane and the cloth that intersects vertically with the axis for buckling ontology
The groove bottom set, while buckling ontology rectangular seal slot is drilled with the taper eyelet being arranged symmetrically.
Buckle ontology is successively milled with arch card slot and arch snap-gauge along its axial end face outside, buckles the arch card of ontology
Slot and arch snap-gauge are matched with the head of liquid drive bar and bar neck respectively.The lower anchor ring of buckle ontology is milled with axially to be arranged along it
The annular space of rectangle oil duct, anti-sprinkler body and sucker rod passes through between the rectangle oil duct of buckle ontology and the buckle channel of anti-sprinkler body
Connection is kept, while the upper ring surface for buckling ontology is milled with the arch sealing that ontology is buckled along its arch seal groove circumferentially
Slot is embedded in shell sealed core, the nonmetallic static seal being achieved between anti-sprinkler body and left buckling body and right jamming button body.Buckle is originally
Rectangular seal slot groove bottom of the arch seal groove both ends of body respectively with buckle ontology keeps connection, and thus shell sealed core is along pumping
The front and rear sides of the inner side end of beam hanger radial direction fit closely between the end face outside of bar sealed core respectively.
There are two the glide mirror (plane)s that are parallel to each other for the front and rear milling of buckle ontology anchor ring, and buckle ontology anchor ring and
Glide mirror (plane) simultaneously anti-sprinkler body buckle channel slideway circular arch face and slideway plane between precision-fit and constitute circular arch face and
Four prismatic pairs of plane combination, thus the buckle channel of anti-sprinkler body provides radial accurate buckle and slides for left buckling body and right jamming button body
The channel of shifting.
Bar sealed core, shell sealed core, double seal ring, rectangular seal ring and L V-shaped ring select butyronitrile oil resistant rubber, bar
Sealed core uses square rubber body, and shell sealed core uses arch rubber bodies, and the inner side end of bar sealed core is equipped with arch card hole, bar
The diameter of cylinder where the arch card hole of sealed core is equal to the bar diameter of sucker rod, and the end face outside of bar sealed core using plane and is set
There is the cylindricality eyelet being arranged symmetrically, taper eyelet of the positioning pin simultaneously with the cylindricality eyelet of bar sealed core and buckle ontology matches
It closes, is achieved in positioning of the bar sealed core in buckle ontology rectangular seal slot.
Between the arch card hole and sucker rod of the bar sealed core of left buckling body and right jamming button body, bar sealed core is along sucker rod diameter
To end face outside between, the front/rear end of bar sealed core and anti-sprinkler body buckle channel slideway plane between and left buckling body
And the shell sealed core of right jamming button body outer ring arch face and anti-sprinkler body buckle channel slideway circular arch face between be formed simultaneously band.
Hoop is successively arranged trapezoidal snap ring and cartridge fittings, and the cartridge fittings of hoop and the tubular of anti-sprinkler body lower end connect
Head matches, and hoop is connected with anti-sprinkler body by way of circumferential weld, and the trapezoidal snap ring cross section of hoop is by straight
Angle is trapezoidal and rectangle is composed, and the trapezoidal snap ring lower end surface of hoop is milled with configuration sealing in annular concave ditch and its annular concave ditch
Circle, hoop pass through its trapezoidal snap ring and the concentric arrangement of wellhead tee joint.
Liquid driving force device carries out radial accurate buckle sliding and provides thrust power for left buckling body and right jamming button body, it includes
Two sets of liquid drive bar, liquid drives cylinder barrel and liquid drives to connect cylinder and a set of oil transportation manifold and multiple directional control valve.
Two sets of liquid drive bar, liquid drives cylinder barrel and liquid drives and arranges along sucker rod radial level to connect cylinder, and liquid drives bar and liquid drives cylinder
Cylinder, which matches to merge, constitutes plunger type hydraulic oil cylinder, and the hydraulic oil of plunger type hydraulic oil cylinder is via a set of multiple directional control valve and oil transportation
Manifold unified supply and distribution.
Liquid drive bar be made of head, bar neck, pole band and the body of rod, liquid drive bar head and the body of rod bar diameter it is equal and be greater than bar
The bar diameter of hoop, the body of rod merging liquid that liquid drives bar drive in cylinder barrel, and liquid drives the head of bar along its axial inner side end and buckle ontology
It is fitted closely between the card slot bottom surface of arch card slot, while liquid drives the bar neck of bar and the faying face of pole band and buckle ontology arch card
It is fitted closely between the end face outside of plate, is achieved in the essence buckled between ontology that liquid drives bar and left buckling body and right jamming button body
Close transmission.
Liquid drives the cylinder block that cylinder barrel uses formula closed at one end, and the inner end that liquid drives cylinder barrel is equipped with cylinder barrel ring flange, and liquid
Cylindrical end tangs are arranged at the both ends for driving cylinder barrel outer ring surface, while the cylindrical end tangs central part of liquid drive cylinder barrel is drilled with oil transportation duct, liquid
The oil transportation duct for driving cylinder barrel is connected with oil transportation manifold respectively, and the logical oil in cylinder barrel oil transportation duct is thus driven through oil transportation manifold and by liquid
The bi-directional drive of liquid driving force device is realized with oil return.
Liquid, which drives, uses thick-wall cylinder to connect cylinder, and two side ends are equipped with abutted flange disk, and liquid drive passes through along its axial direction connect cylinder
The cylinder barrel ring flange that the abutted flange disk and liquid in outside drive cylinder barrel is connected with plunger type hydraulic oil cylinder, and liquid drives and passes through to connect cylinder
Liquid driving force device is connected to the two side ends of buckle preventer by the abutted flange disk along its axially inner side.Liquid drives to connect cylinder along its axis
To inner side end be equipped with the corresponding docking clip of anchor ring and glide mirror (plane) with buckle ontology, liquid drives the docking to connect cylinder
Clip is matched with the buckle channel of anti-sprinkler body, is achieved in liquid drive and is docked to the fast accurate between connect cylinder and anti-sprinkler body.
In radial accurate buckle sliding preventing spraying operation, the liquid of liquid driving force device drives cylinder barrel and provides thrust power, and according to liquid
The fast accurate between connect cylinder and anti-sprinkler body is docked in drive, liquid drives between bar and left buckling body and the buckle ontology of right jamming button body
Four prismatic pairs in circular arch face and plane combination between precision drive and buckle ontology and anti-sprinkler body, and drive bar through liquid and directly push away
The buckle ontology of dynamic buckle preventer carries out radial accurate buckle sliding along the buckle channel of anti-sprinkler body, at the same by left buckling body and
The bar sealed core of right jamming button body distinguishes clamping sucker rod, is thus formed between sucker rod and buckle preventer nonmetallic quiet close
Envelope, and nonmetallic static seal is formed between anti-sprinkler body and left buckling body and right jamming button body according to shell sealed core.
Institute of the invention is attainable to be had the technical effect that, the polished rod sealer of the polished rod seal and liquid drive blowout prevention integrated apparatus
Twin-stage nonmetallic dynamic sealing is formed using the long box body of column and according to its injecting glue packing and rectangular seal ring and between sucker rod,
Following deflection-regulation device is completed radial servo-actuated sliding tuningout with lateral eccentricity power when wellhead tee joint bias according to sucker rod and is voluntarily mended
The offset between polished rod sealer and sucker rod is repaid, while according between L V-shaped ring and double seal ring and polished rod sealer
Form the nonmetallic static seal of three-level；Liquid driving force device for left buckling body and right jamming button body carry out radial accurate buckle sliding provide it is dynamic
Power, buckle preventer implement radial accurate buckle sliding preventing spraying operation along the buckle channel of its anti-sprinkler body, and according to bar sealed core
Clamping sucker rod, while nonmetallic static seal is formed between anti-sprinkler body and left buckling body and right jamming button body by shell sealed core.
Detailed description of the invention
The present invention will be further described below with reference to the drawings, but the invention is not limited to following embodiments.
Fig. 1 is the typical structure that the following deflection-regulation polished rod seal proposed according to the present invention and liquid drive blowout prevention integrated apparatus
Schematic diagram.
Fig. 2 is the structure diagram that following deflection-regulation polished rod seal and liquid drive the polished rod sealer in blowout prevention integrated apparatus.
Fig. 3 is the twin-stage nonmetallic dynamic sealing work flow letter that following deflection-regulation polished rod seal and liquid drive blowout prevention integrated apparatus
Figure.
Fig. 4 is the structure diagram that following deflection-regulation polished rod seal and liquid drive the following deflection-regulation device in blowout prevention integrated apparatus.
Fig. 5 is the servo-actuated sliding tuningout work flow letter of radial direction that following deflection-regulation polished rod seal and liquid drive blowout prevention integrated apparatus
Figure.
Fig. 6 is the structure diagram that following deflection-regulation polished rod seal and liquid drive the buckle preventer in blowout prevention integrated apparatus.
Fig. 7 is the left view of Fig. 6.
Fig. 8 is the structure that following deflection-regulation polished rod seal and liquid drive left buckling body and right jamming button body in blowout prevention integrated apparatus
Schematic diagram.
Fig. 9 is the structure diagram that following deflection-regulation polished rod seal and liquid drive the liquid driving force device in blowout prevention integrated apparatus.
Figure 10 is the radial accurate buckle sliding preventing spraying operation that following deflection-regulation polished rod seal and liquid drive blowout prevention integrated apparatus
General flow chart.
1- sucker rod in figure, 2- polished rod sealer, 3- following deflection-regulation device, 4- buckle preventer, 5- liquid driving force
Device, 6- seal pressure cap, 7- seal joint, 8- rectangular seal ring, 9- glue injection body, 10- injecting glue packing, 11- sealed box body,
12- Liner Seal Ring, 13- double seal ring, 14- impact wrench, 15- injecting glue plug screw, 16- glue injecting head, 17- colloid-injecting gun,
18- tuningout pressure cap, 19-L V-shaped ring, 20- tuningout ontology, the anti-sprinkler body of 21-, the left buckling body of 22-, 23- right jamming button body,
24- hoop, 25- shell sealed core, 26- positioning pin, 27- bar sealed core, 28- buckle ontology, and 29- liquid drives cylinder barrel,
30- liquid drives to connect cylinder, and 31- liquid drives bar, 32- oil transportation manifold, 33- multiple directional control valve.
Specific embodiment
In Fig. 1, following deflection-regulation polished rod seal and liquid drive blowout prevention integrated apparatus by polished rod sealer 2, following deflection-regulation device
3, it buckles preventer 4 and liquid driving force device 5 forms, the polished rod seal and liquid drive blowout prevention integrated apparatus according to polished rod sealer 2
Injecting glue packing, rectangular seal ring and double seal ring, the L V-shaped ring of following deflection-regulation device 3 and the bar sealing for buckling preventer 4
Core and shell sealed core, and the power for combining liquid driving force device 5 to provide, realize the servo-actuated sliding tuningout of the radial direction of sucker rod 1 at well head,
Twin-stage nonmetallic dynamic sealing and radial accurate buckle sliding preventing spraying operation.
In Fig. 1, following deflection-regulation polished rod seal and liquid are driven blowout prevention integrated apparatus and are constructed using axial symmetry, and it passes through card
The hoop of button preventer 4 is linked together with wellhead tee joint, and polished rod sealer 2, following deflection-regulation device 3 and buckle preventer 4 are adopted
With revolving body and from top to bottom sequentially coaxially the heart is arranged, liquid driving force device 5 is arranged in along sucker rod 1 and wellhead tee joint radial symmetric
Buckle the two side ends of preventer 4.
In Fig. 1, following deflection-regulation polished rod seal and liquid are driven before blowout prevention integrated apparatus assembled, polished rod sealer 2
Seal pressure cap and sealed box body, the tuningout pressure cap of following deflection-regulation device 3 and tuningout ontology and the anti-sprinkler body for buckling preventer 4
Outer surface carries out spray painting preservative treatment, the sealed box body of polished rod sealer 2, the tuningout ontology of following deflection-regulation device 3 and card respectively
The cavity wall of the button anti-sprinkler body of preventer 4 successively smears lubricating grease, the ring-shaped groove of 2 sealed box body of polished rod sealer and Liner Seal Ring
Annular oil duct fills lubricating grease respectively.The seal joint of polished rod sealer 2 is placed in rotation in its sealed box body, answer it is brisk flexibly and
Fluent, the left buckling body and right jamming button body for buckling preventer 4 are placed in its anti-sprinkler body and move back and forth, and answer brisk flexible and without hindrance
It is stagnant.It keeps the tuningout ontology of following deflection-regulation device 3 and buckles the cleaning of the blowout prevention body lumen wall of preventer 4, while light is examined successively
Injecting glue packing, rectangular seal ring and the double seal ring of rod sealer 2, the L V-shaped ring and buckle preventer of following deflection-regulation device 3
4 bar sealed core and shell sealed core has not damaged, and whether check at each thread connection securely and has non-corroding.
In Fig. 1, when following deflection-regulation polished rod seal and liquid drive blowout prevention integrated apparatus progress assembling operation, following deflection-regulation device
3 tuningout ontology is connected by welding with the anti-sprinkler body of buckle preventer 4, Liner Seal Ring, the rectangular seal ring of polished rod sealer 2
Seal pressure cap is successively placed in its sealed box body and covered with seal joint, is then embedded in the double seal ring of polished rod sealer 2
The ring-shaped groove of sealed box body and the tuningout ontology that polished rod sealer 2 is placed in following deflection-regulation device 3, the then L of following deflection-regulation device 3
V-shaped ring is put into the ring packing chase of tuningout ontology and covers tuningout pressure cap；Then, the bar sealed core of preventer 4 is buckled
It is pinned at the rectangular seal slot of buckle ontology by positioning, and shell sealed core is embedded in the arch seal groove of buckle ontology, then
Buckle the arch card slot and arch snap-gauge and liquid driving force device 5 of the left buckling body and right jamming button body of preventer 4 according to buckle ontology
Liquid drives the head of bar and bar neck is combined together, and left buckling body and right jamming button body are placed in anti-sprinkler body, while being driven by liquid
The liquid of dynamic equipment 5, which drives, is linked together two sets of plunger type hydraulic oil cylinders and buckle preventer 4 connect cylinder, and plunger type hydraulic oil cylinder is logical
It crosses oil transportation manifold to be connected with multiple directional control valve, last colloid-injecting gun carries out injecting glue through glue injection body and forms injecting glue disk in sealed box body
Root.
In Fig. 1, the model and specification size that following deflection-regulation polished rod seal and liquid drive blowout prevention integrated apparatus are with sucker rod 1
Bar diameter and wellhead tee joint specification variation be adjusted.
In Fig. 2, polished rod sealer 2 forms double according to its rectangular seal ring 8 and injecting glue packing 10 and between sucker rod 1
Grade nonmetallic dynamic sealing, the ring cavity inner diameter of the size and sealed box body 11 of rectangular seal ring 8 and injecting glue packing 10 and oil pumping
The bar diameter of bar 1 is consistent, and the intensity of screw thread is according to seal joint 7 and Liner Seal Ring between seal pressure cap 6 and sealed box body 11
The 12 maximum pressing forces transmitted are designed, the ring-shaped groove size phase one of the size and sealed box body 11 of double seal ring 13
It causes, while the specification selection of rectangular seal ring 8, injecting glue packing 10 and double seal ring 13 is required to consider oil liquid pressure at well head
The factors such as maximum value.
In Fig. 2, the annular space of seal pressure cap 6 and sealed box body 11 and sucker rod 1 in polished rod sealer 2 is interior under
Liner Seal Ring 12, injecting glue packing 10, rectangular seal ring 8 and seal joint 7 are successively arranged on and, colloid-injecting gun is via glue injection body 9
The injecting glue eyelet of glue injection channel and sealed box body 11 is the annular space injecting glue of seal pressure cap 6 and sealed box body 11 and sucker rod 1,
And injecting glue packing 10 is consequently formed, seal joint 7 and Liner Seal Ring 12 are along its axial successively compression rectangular seal ring 8 and injecting glue disk
Root 10, and rectangular seal ring 8 and injecting glue packing 10 are deformed simultaneously along 1 radial direction of sucker rod, it is thus close in sucker rod 1 and polished rod
It seals and forms twin-stage nonmetallic dynamic sealing between device 2, while configuring double seal ring 13 in the ring-shaped groove of sealed box body 11, and realize
Sealing between sealed box body 11 and the tuningout ontology of following deflection-regulation device 3.
In Fig. 3, the twin-stage nonmetallic dynamic sealing job stream of following deflection-regulation polished rod seal and liquid drive blowout prevention integrated apparatus
Cheng Zhong unscrews the injecting glue plug screw 15 of glue injection body 9 and colloid-injecting gun 17 is connected with the glue injecting head 16 of glue injection body 9, then colloid-injecting gun 17
Glue injection channel through glue injecting head 16 simultaneously implements injecting glue operation by the injecting glue eyelet of sealed box body 11, and injecting glue spiral shell is screwed after the completion of injecting glue
Plug 15 simultaneously stands a period of time, and injecting glue disk is thus formed in the annular space of seal pressure cap 6 and sealed box body 11 and sucker rod 1
Root 10；Then, square cell of the Fang Jing of impact wrench 14 respectively with seal pressure cap 6 is combined together, and passes through impact wrench 14
Screwing hermetic pressure cap 6, and move seal joint 7 downward along the ring cavity inner wall of sealed box body 11, then seal joint 7 and sealing
Grommet 12 is along its axial rectangular seal ring 8 and injecting glue packing 10, rectangular seal ring 8 and injecting glue packing 10 of successively compressing in sealing pressure
Cap 6 and sealed box body 11 are deformed in the annular space of sucker rod 1 along 1 radial direction of sucker rod simultaneously, thus in 1 He of sucker rod
Twin-stage nonmetallic dynamic sealing is formed between polished rod sealer 2.
In Fig. 4, following deflection-regulation device 3 is formed between polished rod sealer 2 according to L V-shaped ring 19 and double seal ring 13
The nonmetallic static seal of three-level, the specification of tuningout ontology 20 and the anti-sprinkler body size of buckle preventer 4 are consistent, L V-shaped ring
19 size is consistent with the ring packing chase size of tuningout ontology 20, while the specification of L V-shaped ring 19 is chosen and needs to examine
Consider the factors such as maximum value of oil liquid pressure at well head, the intensity of screw thread is close according to L shape between tuningout pressure cap 18 and tuningout ontology 20
Seal ring 19 and double seal ring 13 form maximum pressing force required for the nonmetallic static seal of three-level and are designed, impact wrench 14
Specification choose need to consider screwing hermetic pressure cap 6 respectively needed for screw-down torque maximum value and screw needed for tuningout pressure cap 18 twist
The factors such as the maximum value of clamp force square.
In Fig. 4, lateral eccentricity power of the following deflection-regulation device 3 according to sucker rod 1 and when wellhead tee joint bias complete it is radial with
Dynamic sliding tuningout and the offset between automatic compensating polished rod sealer 2 and sucker rod 1, L V-shaped ring 19 and tuningout pressure cap 18
Tuningout clamping plane and tuningout ontology 20 tuningout layered plane and tuningout ontology 20 ring packing chase ditch bottom surface it
Between be formed simultaneously seal band.
In Fig. 5, the servo-actuated sliding tuningout job stream of radial direction of following deflection-regulation polished rod seal and liquid drive blowout prevention integrated apparatus
When Cheng Zhong, sucker rod 1 and wellhead tee joint generate eccentric, offset is Δ e, the rectangular seal ring 8 and injecting glue of polished rod sealer 2
Position in sealing contact between the ring cavity inner wall of packing 10 and the outer ring surface of sucker rod 1 generates lateral eccentricity power, then tuningout sheet
Between the tuningout glide mirror (plane) of body 20 and the sealing glide mirror (plane) of sealed box body 11 be servo-actuated sliding, and automatic compensating sucker rod 1 with
Thus offset Δ e between wellhead tee joint continues to keep concentric state between polished rod sealer 2 and sucker rod 1；Then,
Square cell of the Fang Jing of impact wrench 14 respectively with tuningout pressure cap 18 is combined together, and screws tuningout pressure by impact wrench 14
Cap 18, and move tuningout pressure cap 18 axially downward along it, then pass through the tuningout clamping plane and tuningout sheet of tuningout pressure cap 18
The tuningout layered plane of body 20 compresses L V-shaped ring 19 respectively, while via the tuningout glide mirror (plane) of tuningout ontology 20 and sealing
The sealing glide mirror (plane) of box body 11 compresses double seal ring 13 respectively, and L V-shaped ring 19 and double seal ring 13 are deformed simultaneously, by
This forms the nonmetallic static seal of three-level between polished rod sealer 2 and following deflection-regulation device 3.
In figure 6 and figure 7, the anti-sprinkler body 21 of buckle preventer 4 and 24 specification of hoop and the size of wellhead tee joint are kept
Unanimously, the cavity wall thickness of anti-sprinkler body 21 is uniformly and the maximum value according to oil liquid pressure at well head is designed, left 22 He of buckling body
The specification of right jamming button body 23 is identical with structure, and the specification of left buckling body 22 and right jamming button body 23 is logical with the buckle of anti-sprinkler body 21
Road size is consistent.
In figure 6 and figure 7, the left buckling body 22 and right jamming button body 23 for buckling preventer 4 are along the buckle channel of anti-sprinkler body 21
Implement radial accurate buckle sliding preventing spraying operation, the tuningout circular hole of the blowout prevention circular hole of anti-sprinkler body 21 and tuningout ontology 20 simultaneously with pumping
The annular space that oil liquid flowing is formed between beam hanger 1, leads between the cartridge fittings of hoop 24 and the cartridge fittings of anti-sprinkler body 21
The mode for crossing circumferential weld is connected, while hoop 24 passes through its trapezoidal snap ring and the concentric arrangement of wellhead tee joint.
In fig. 8, left buckling body 22 and right jamming button body 23 buckle ontology 28 according to its 27 clamping sucker rod 1 of bar sealed core
Arch card hole aperture and the bar diameter of sucker rod 1 be consistent, the cunning of the size of shell sealed core 25 and anti-sprinkler body 21 buckle channel
Road circular arch face size is consistent, and the size of bar sealed core 27 then buckles channel with the bar diameter of sucker rod 1 and anti-sprinkler body 21
Slideway interplanar spacing is consistent, while the selection of the specification of shell sealed core 25 and bar sealed core 27 is required to consider oil liquid at well head
The factors such as the maximum value of pressure.
In fig. 8, configuration bar sealed core 27 in the 28 rectangular seal slot of buckle ontology of left buckling body 22 and right jamming button body 23,
And realize sucker rod 1 and buckle the nonmetallic static seal between preventer 4, it is close that the arch seal groove of buckle ontology 28 is embedded in shell
Core 25 is sealed, and realizes the nonmetallic static seal between anti-sprinkler body 21 and left buckling body 22 and right jamming button body 23, positioning pin 26 is simultaneously
The positioning of bar sealed core 27 is matched and realized with the cylindricality eyelet of bar sealed core 27 and the taper eyelet for buckling ontology 28, buckle
Four prismatic pairs in circular arch face and plane combination are constituted between ontology 28 and the buckle channel of anti-sprinkler body 21.
In Fig. 9, liquid driving force device 5 includes that two sets liquid drive cylinder barrels 29, liquid drives to connect cylinder 30 and liquid drive bar 31 and a set of
Oil transportation manifold 32 and multiple directional control valve 33, liquid drives the specification of bar 31 and the specification of buckle ontology 28 is consistent, and liquid drives bar 31
Advance distance is adjusted with the maximum value that left buckling body 22 and right jamming button body 23 be displaced when radial accurate buckle sliding, liquid
Drive, liquid drive cylinder barrel 29 in the oil pressure foundation left side of hydraulic oil consistent with the buckle channel size of anti-sprinkler body 21 to the specification of connect cylinder 30
Buckling body 22 and right jamming button body 23 carry out required maximum thrust power and bar sealed core 27 when radial accurate buckle sliding
Clamping sucker rod 1 forms the factors such as maximum clamping force required for nonmetallic static seal and is designed.
In Fig. 9, liquid driving force device 5 for left buckling body 22 and right jamming button body 23 carries out radial accurate buckle sliding and provides to push away
Precession power, and liquid driving force device 5 drives the two side ends that buckle preventer 4 is connected to the abutted flange disk of connect cylinder 30, liquid by its liquid
It drives cylinder barrel 29 and liquid drives the matching of bar 31 and merges composition plunger type hydraulic oil cylinder, multiple directional control valve 33 passes through oil transportation manifold 32 and plunger
Formula hydraulic cylinder is connected, through multiple directional control valve 33 and by oil transportation manifold 32 and liquid drive 29 oil transportation duct of cylinder barrel logical oil and oil return and
Realize the bi-directional drive of liquid driving force device 5.
In Figure 10, the radial accurate buckle sliding blowout prevention work of following deflection-regulation polished rod seal and liquid drive blowout prevention integrated apparatus
In industry process, logical oil, liquid driving force are carried out through multiple directional control valve 33 and by the oil transportation duct that oil transportation manifold 32 and liquid drive cylinder barrel 29
The liquid of plunger type hydraulic oil cylinder in device 5 drives cylinder barrel 29 and provides thrust power, and at the same time, liquid drives the docking clip to connect cylinder 30
Fast accurate docks between the buckle channel of anti-sprinkler body 21, the head and bar neck and left buckling body 22 and right jamming button of liquid drive bar 31
Precision drive between the arch card slot and arch snap-gauge of buckle ontology 28 in body 23, buckles anchor ring and the glide mirror (plane) of ontology 28
Four prismatic pairs are formed between the slideway circular arch face and slideway plane in anti-sprinkler body 21 buckle channel simultaneously, it is straight thus to drive bar 31 through liquid
It connects and the buckle ontology 28 of left buckling body 22 and right jamming button body 23 is pushed to carry out radial accurate buckle along the buckle channel of anti-sprinkler body 21
Sliding finally distinguishes clamping sucker rod 1 by the bar sealed core 27 of left buckling body 22 and right jamming button body 23, thus in 1 He of sucker rod
Nonmetallic static seal is formed between buckle preventer 4, and according to shell sealed core 25 in anti-sprinkler body 21 and left buckling body 22 and right card
Nonmetallic static seal is formed between button 23.
In Figure 10, the radial accurate buckle sliding blowout prevention work of following deflection-regulation polished rod seal and liquid drive blowout prevention integrated apparatus
After the completion of industry, oil return, plunger type liquid are carried out through multiple directional control valve 33 and by the oil transportation duct that oil transportation manifold 32 and liquid drive cylinder barrel 29
The liquid of compressing cylinder drives cylinder barrel 29 and provides power, and drives the buckle sheet that bar 31 directly drags left buckling body 22 and right jamming button body 23 by liquid
Body 28 slides outwardly along the buckle channel of anti-sprinkler body 21, and the buckle ontology 28 and bar of rear left buckling body 22 and right jamming button body 23 are close
Envelope core 27 unclamps sucker rod 1 respectively；Then, plunger type hydraulic oil cylinder is unloaded through multiple directional control valve 33 and by oil transportation manifold 32
Pressure, liquid drive cylinder barrel 29 in hydraulic oil by oil transportation manifold 32 be back to storage hydraulic oil container in, then multiple directional control valve 33 with
Oil transportation manifold 32 is disassembled from the oil transportation duct that liquid drives cylinder barrel 29 together, finally tightens plug screw and sealing fluid drives cylinder barrel 29
Each oil transportation duct.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type etc. are all can be
Variation, all equivalents and improvement carried out based on the technical solution of the present invention should not be excluded of the invention
Except protection scope.
Claims (10)
1. a kind of following deflection-regulation polished rod seal and liquid drive blowout prevention integrated apparatus, it is by polished rod sealer, following deflection-regulation device, buckle
Preventer and liquid driving force device composition, polished rod sealer, following deflection-regulation device and buckle the preventer from top to bottom sequentially coaxially heart
Arrangement, liquid driving force device are arranged in the two side ends of buckle preventer along sucker rod and wellhead tee joint radial symmetric, it is characterised in that:
One polished rod sealer；The polished rod sealer uses the long box body of column, and sealed box body uses semi-enclosed oval box body,
Seal pressure cap using in the annular space of semi-enclosed oblate box body, sealed box body and seal pressure cap and sucker rod from bottom to top according to
It is secondary to be equipped with Liner Seal Ring, injecting glue packing, rectangular seal ring and seal joint；Glue injection body is made of glue injecting head and injecting glue plug screw, note
Glue injection channel of the glue rifle through glue injection body simultaneously implements injecting glue operation by the injecting glue eyelet of sealed box body, the bottom end facing cut of sealed box body at
Sealing glide mirror (plane) is milled with the ring-shaped groove of concentric hierarchal arrangement simultaneously, configures double containment in the ring-shaped groove of sealed box body
The outer ring surface lower part of ring, sealed box body is equipped with circumferential clasp, and the upper end facing cut of sealed box body circumferential clasp is at tuningout thrust plane；
For the cassette bottom facing cut of seal pressure cap at sealing clamping plane, seal joint and Liner Seal Ring use thick-wall cylinder, seal joint it is upper
Circular orientation ring is arranged in portion, and the outer ring surface of Liner Seal Ring is milled with the annular oil duct along its axial equidistant hierarchal arrangement, seal box
The cassette bottom central part of body and seal pressure cap is drilled with guide rod circular hole, and the central part of seal joint and Liner Seal Ring is drilled with cunning
Rod aperture eye；
One following deflection-regulation device；Lateral eccentricity power when the following deflection-regulation device is according to sucker rod and wellhead tee joint bias is completed radial
Servo-actuated sliding tuningout and the offset between automatic compensating polished rod sealer and sucker rod, tuningout ontology and tuningout pressure cap use half
The cassette bottom central part of closed oblate box body and two components is drilled with tuningout circular hole, and the cassette bottom facing cut of tuningout pressure cap is at tuningout pressure
Tight plane；The box top of tuningout ontology and cassette bottom face mill into tuningout layered plane and tuningout glide mirror (plane) respectively, tuningout ontology
L V-shaped ring is configured in ring packing chase, the lower end surface of tuningout ontology tubular rotary table is milled with cone cell card slot, polished rod sealer
The cross section of double seal ring and rectangular seal ring is in rectangle, and the cross section of the L V-shaped ring of following deflection-regulation device is in inverted L shape；
One buckle preventer；The buckle preventer is implemented radial accurate buckle sliding blowout prevention along the buckle channel of its anti-sprinkler body and is made
Industry, anti-sprinkler body use drum type brake four-way, and two logical ends are equipped with cartridge fittings to anti-sprinkler body up and down and its central part is drilled with blowout prevention
Circular hole, the cone cell snap ring of anti-sprinkler body are matched with the cone cell card slot of tuningout ontology, and the logical central part of anti-sprinkler body or so two is milled with
Channel is buckled, hoop is successively arranged trapezoidal snap ring and cartridge fittings；Left buckling body and right jamming button body are close by buckle ontology, bar
Feng Xin, shell sealed core and positioning pin composition, buckle ontology use cylindricality bloom, and buckle ontology is drilled with along its axial inner side end
Arch card hole and end face outside is successively milled with arch card slot and arch snap-gauge buckles configuration bar in the rectangular seal slot of ontology and seals
Core, the lower anchor ring for buckling ontology is milled with the rectangle oil duct axially arranged along it and its upper ring surface is milled with along its arch circumferentially
Seal groove, the arch seal groove for buckling ontology is embedded in shell sealed core, while the front and rear for buckling ontology anchor ring is milled with two
A glide mirror (plane) being parallel to each other buckles four shiftings that circular arch face and plane combination are constituted between ontology and the buckle channel of anti-sprinkler body
Dynamic pair；Bar sealed core uses square rubber body, and shell sealed core uses arch rubber bodies, and the inner side end of bar sealed core is equipped with arch
Card hole and its end face outside use plane, positioning pin while the taper eyelet phase with the cylindricality eyelet of bar sealed core and buckle ontology
Cooperation；
One liquid driving force device；The liquid driving force device is provided and is pushed away for left buckling body and the radial accurate buckle sliding of right jamming button body progress
Precession power, two sets of liquid drive bar, liquid drives cylinder barrel and liquid drives and arranges along sucker rod radial level to connect cylinder, and liquid drives bar and liquid drives cylinder barrel
Plunger type hydraulic oil cylinder is constituted, the hydraulic oil of plunger type hydraulic oil cylinder is supplied via a set of multiple directional control valve and oil transportation manifold are unified
It gives and distributes；Liquid drives bar and is made of head, bar neck, pole band and the body of rod, and liquid drives the buckle sheet of bar and left buckling body and right jamming button body
Precision drive between body, liquid drive cylinder barrel and are equipped with cylinder barrel ring flange, liquid using the cylinder block and its inner end of formula closed at one end
The cylindrical end tangs central part for driving cylinder barrel is drilled with oil transportation duct, and liquid, which drives, is equipped with docking using thick-wall cylinder and its two side ends to connect cylinder
Ring flange, liquid, which drives, is equipped with docking corresponding with the anchor ring of buckle ontology and glide mirror (plane) along its axial inner side end to connect cylinder
Clip.
2. following deflection-regulation polished rod seal according to claim 1 and liquid drive blowout prevention integrated apparatus, it is characterised in that: described
Following deflection-regulation polished rod seal and liquid drive blowout prevention integrated apparatus constructed using axial symmetry and by the hoop of buckle preventer with
Wellhead tee joint is linked together, and polished rod sealer, following deflection-regulation device and buckle preventer are all made of revolving body.
3. following deflection-regulation polished rod seal according to claim 1 and liquid drive blowout prevention integrated apparatus, it is characterised in that: described
The concentric arrangement of the sealed box body and seal pressure cap of polished rod sealer simultaneously forms annular space between sucker rod, Liner Seal Ring and
Seal joint is along its axial injecting glue packing and rectangular seal ring, injecting glue packing and rectangular seal ring of successively compressing along sucker rod radial direction
It is deformed simultaneously, and forms twin-stage nonmetallic dynamic sealing between sucker rod and polished rod sealer；
Injecting glue eyelet is equipped in the middle part of the box wall of the sealed box body, the injecting glue eyelet of sealed box body passes through screw thread and glue injection body phase
Even, injecting glue packing is formed in the annular space of sealed box body and seal pressure cap and sucker rod；The tuningout thrust plane of sealed box body
It is fitted closely between the tuningout clamping plane of tuningout pressure cap, and realizes the axial restraint of polished rod sealer.
4. following deflection-regulation polished rod seal according to claim 1 and liquid drive blowout prevention integrated apparatus, it is characterised in that: described
It is fitted closely between sealing clamping plane and the upper surface of seal joint of seal pressure cap, seal joint is according to its circular orientation ring
Realize radial positioning, and between the outer ring surface of seal joint and the ring cavity inner wall of sealed box body precision-fit and to constitute cylinder mobile
Pair is gap-matched between the outer ring surface of Liner Seal Ring and the ring cavity inner wall of sealed box body, sealed box body and seal pressure cap
The sliding rod hole eyelet diameter of guide rod circular hole aperture and seal joint and Liner Seal Ring is all larger than the bar diameter of sucker rod；
The injecting glue plug screw of the glue injection body is connected by screw thread with glue injecting head, and the sealing of sealed box body is achieved in, glue injection body
Glue injecting head uses thin-wall barrel, and the ring cavity of glue injecting head is equipped with glue injection channel, and the glue injection channel of glue injection body uses the ladder surface of revolution.
5. following deflection-regulation polished rod seal according to claim 1 and liquid drive blowout prevention integrated apparatus, it is characterised in that: described
The circumferential clasp of the ring cavity inner wall arrangement sealed box body of tuningout ontology, it is recessed that the tuningout layered plane of tuningout ontology is milled with ring packing
The cassette bottom central part of ditch, tuningout ontology is equipped with tubular rotary table, and the cross section of tuningout ontology cone cell card slot is in a rectangular trapezoid；
Precision-fit between the tuningout glide mirror (plane) of the tuningout ontology and the sealing glide mirror (plane) of sealed box body and constitute plane
Prismatic pair, while the internal diameter of tuningout ontology is greater than the outer ring surface diameter of sealed box body circumferential clasp, and the tuningout circle of tuningout pressure cap
Hole aperture be greater than sealed box body outer diameter, be achieved in the significantly any position between following deflection-regulation device and polished rod sealer with
Dynamic sliding.
6. following deflection-regulation polished rod seal according to claim 1 and liquid drive blowout prevention integrated apparatus, it is characterised in that: described
The tuningout clamping plane of tuningout pressure cap and the tuningout layered plane of tuningout ontology, which match to merge, compresses L V-shaped ring, while tuningout
The tuningout glide mirror (plane) of ontology and the sealing glide mirror (plane) of sealed box body compress double seal ring, and L V-shaped ring and double seal ring are same
When be deformed, and between polished rod sealer and following deflection-regulation device formed the nonmetallic static seal of three-level；
The double seal ring of the polished rod sealer is constructed using binary, the rectangular seal ring of polished rod sealer and following deflection-regulation device
L V-shaped ring is all made of unibody construction, and the tuningout point of the tuningout clamping plane and tuningout ontology of L V-shaped ring and tuningout pressure cap
Seal band is formed simultaneously between layer plane and the ring packing chase ditch bottom surface of tuningout ontology.
7. following deflection-regulation polished rod seal according to claim 1 and liquid drive blowout prevention integrated apparatus, it is characterised in that: described
The blowout prevention circular hole aperture of anti-sprinkler body is equal to the tuningout circular hole aperture of tuningout ontology and is greater than the guide rod circular hole aperture of sealed box body, prevents
The blowout prevention circular hole of sprinkler body and the tuningout circular hole of tuningout ontology form the annular space of oil liquid flowing between sucker rod simultaneously；Blowout prevention
The cartridge fittings end of body upper end is equipped with cone cell snap ring, and the cone cell snap ring of anti-sprinkler body and the cone cell card slot of tuningout ontology pass through circumference
The mode of weldering will buckle preventer and be linked together with following deflection-regulation device；
The buckle channel of the anti-sprinkler body and its blowout prevention circular hole intersect vertically arrangement, the hole wall in anti-sprinkler body buckle channel by two together
The slideway circular arch face of axle center arrangement and two slideway plane combinations being parallel to each other form；
The cartridge fittings of the hoop are matched with the cartridge fittings of anti-sprinkler body lower end, the trapezoidal snap ring cross section of hoop by
Right-angled trapezium and rectangle are composed, and hoop passes through its trapezoidal snap ring and the concentric arrangement of wellhead tee joint.
8. following deflection-regulation polished rod seal according to claim 1 and liquid drive blowout prevention integrated apparatus, it is characterised in that: described
Left buckling body is identical with structure with the specification of right jamming button body, when left buckling body and right jamming button body clamping sucker rod, buckle ontology arch
The axis of cylinder where shape card hole and the axis of sucker rod coincide；It buckles and is milled with rectangular seal in the middle part of the arch card hole of ontology
Slot, the bar sealed core in rectangular seal slot realize sucker rod and buckle the nonmetallic static seal between preventer, rectangular seal slot
Groove bottom intersected vertically arrangement using plane and with the axis of buckle ontology, and the groove bottom of rectangular seal slot, which is drilled with, to be arranged symmetrically
Taper eyelet；
The arch card slot and arch snap-gauge of the buckle ontology are matched with the head of liquid drive bar and bar neck respectively, anti-sprinkler body and pumping
The annular space of beam hanger buckles this by keeping connection between the rectangle oil duct of buckle ontology and the buckle channel of anti-sprinkler body
Shell sealed core in body arch seal groove realizes the nonmetallic static seal between anti-sprinkler body and left buckling body and right jamming button body；
Rectangular seal slot groove bottom of the arch seal groove both ends of the buckle ontology respectively with buckle ontology keeps connection, by
This shell sealed core closely pastes between the end face outside of bar sealed core respectively along the front and rear sides of the inner side end of sucker rod radial direction
It closes；
It is described buckle ontology anchor ring and glide mirror (plane) simultaneously with anti-sprinkler body buckle channel slideway circular arch face and slideway plane it
Between precision-fit, the buckle channel of anti-sprinkler body provides the channel of radial accurate buckle sliding for left buckling body and right jamming button body.
9. following deflection-regulation polished rod seal according to claim 1 and liquid drive blowout prevention integrated apparatus, it is characterised in that: described
The positioning pin of left buckling body and right jamming button body realizes positioning of the bar sealed core in buckle ontology rectangular seal slot, bar sealed core
The diameter of cylinder where arch card hole is equal to the bar diameter of sucker rod, and the end face outside of bar sealed core is equipped with the cylindrical hole being arranged symmetrically
Eye；
Between the arch card hole and sucker rod of the bar sealed core of the left buckling body and right jamming button body, bar sealed core is along sucker rod diameter
To end face outside between, the front/rear end of bar sealed core and anti-sprinkler body buckle channel slideway plane between and left buckling body
And the shell sealed core of right jamming button body outer ring arch face and anti-sprinkler body buckle channel slideway circular arch face between be formed simultaneously band.
10. following deflection-regulation polished rod seal according to claim 1 and liquid drive blowout prevention integrated apparatus, it is characterised in that: institute
The liquid for stating liquid driving force device drives bar and liquid drives cylinder barrel and matches, and the head of liquid drive bar and the bar diameter of the body of rod are equal and greater than pole band
Bar diameter, the body of rod merging liquid that liquid drives bar drive in cylinder barrel, and liquid drives the head of bar along its axial inner side end and buckle ontology arch
It is fitted closely between the card slot bottom surface of card slot, while liquid drives the bar neck of bar and the faying face of pole band and buckles ontology arch snap-gauge
It is fitted closely between end face outside；
Cylindrical end tangs are arranged at the both ends that the liquid drives cylinder barrel outer ring surface, and the oil transportation duct that liquid drives cylinder barrel is connected with oil transportation manifold respectively
It connects, drives through oil transportation manifold and by liquid the logical oil in cylinder barrel oil transportation duct and the bi-directional drive of oil return realization liquid driving force device；
The liquid of the liquid driving force device, which drives, passes through the cylinder barrel method along its axially external abutted flange disk and liquid drive cylinder barrel to connect cylinder
Blue disk is connected with plunger type hydraulic oil cylinder, and liquid is driven connect cylinder via the abutted flange disk along its axially inner side by liquid drive
Power device is connected to the two side ends of buckle preventer；Liquid drive matches the docking clip of connect cylinder with the buckle channel of anti-sprinkler body, and real
The fast accurate between connect cylinder and anti-sprinkler body is docked in existing liquid drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910192402.9A CN109869111B (en) | 2019-03-14 | 2019-03-14 | Follow-up deviation-adjusting polish rod sealing and liquid-drive blowout prevention integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910192402.9A CN109869111B (en) | 2019-03-14 | 2019-03-14 | Follow-up deviation-adjusting polish rod sealing and liquid-drive blowout prevention integrated device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109869111A true CN109869111A (en) | 2019-06-11 |
| CN109869111B CN109869111B (en) | 2021-03-02 |
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|---|---|---|---|
| CN201910192402.9A Expired - Fee Related CN109869111B (en) | 2019-03-14 | 2019-03-14 | Follow-up deviation-adjusting polish rod sealing and liquid-drive blowout prevention integrated device |
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| CN (1) | CN109869111B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110374553A (en) * | 2019-07-23 | 2019-10-25 | 建湖县帅牛机械有限公司 | A kind of sucker rod of effectively anti-sway leakproof |
| CN111441737A (en) * | 2020-04-15 | 2020-07-24 | 青岛理工大学 | Double-rotary-barrel double-plunger sliding key type shaft-plug core three-in-one blowout preventer |
| CN111456669A (en) * | 2020-04-15 | 2020-07-28 | 青岛理工大学 | Follow-up centering self-compensating particle sealing and shaft-pushing clamping column blowout prevention integrated device |
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| CN111456669B (en) * | 2020-04-15 | 2021-10-08 | 青岛理工大学 | Follow-up centering self-compensating particle sealing and shaft-pushing clamping column blowout prevention integrated device |
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| CN109869111B (en) | 2021-03-02 |
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