CN208089269U - Twin-tub well head supporting type hydraulic petroleum lifting device - Google Patents
Twin-tub well head supporting type hydraulic petroleum lifting device Download PDFInfo
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- CN208089269U CN208089269U CN201820374746.2U CN201820374746U CN208089269U CN 208089269 U CN208089269 U CN 208089269U CN 201820374746 U CN201820374746 U CN 201820374746U CN 208089269 U CN208089269 U CN 208089269U
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- ring flange
- twin
- piston
- well head
- lifting device
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Abstract
Twin-tub well head supporting type hydraulic petroleum lifting device, including ring flange and two hydraulic cylinders.Two hydraulic cylinders are fixedly installed in ring flange upper surface, and the piston rod of two hydraulic cylinders is set up.Two hydraulic cylinders are to be left and right symmetrically arranged, and are in 180 degree with ring flange center.Support connecting frame is fixed in two piston rod upper ends, and polished rod upper end is fixed on link.The centre bore of ring flange is fixedly connected with packing box simultaneously, and polished rod also extends through packing box before being pierced by the centre bore of ring flange.The utility model solves in oil field for stratum energy deficiency itself, and oil is given rise to the oil well on ground, artificially mechanical equipment etc. utilized to supplement energy to liquid in well, crude oil is given rise to ground by the energy that cannot rely on oil reservoir itself.The equipment uses double-cylinder structure, is mounted on the small four-way of well head, and twin-tub drives polished rod to pump, and plays the role of oil pumping, stability is good.
Description
Technical field
The utility model belongs to oil field petroleum lifting apparatus field, is lifted more particularly to twin-tub well head supporting type hydraulic oil
Rise device.
Background technology
In oil field for stratum energy deficiency itself, oil is given rise to the oil on ground by the energy that cannot rely on oil reservoir itself
Well, it is necessary to artificially mechanical equipment etc. be utilized to supplement energy to liquid in well, crude oil could be given rise to ground.Such machinery is set
It is standby to be generally divided into sucker rod pumping equipment and rodless pumping unit, wherein being made of three parts bar apparatus, ground driving equipment（It takes out
Oil machine）, downhole pump and polished rod column.Four major class are often divided into for ground driving equipment：1. beam pumping unit；2. belt
Machine；3. chain making machine；4. hydraulic pumping unit.
At present both at home and abroad the four major class used ground lifting equipment mating with underground tubing pump, insert pump there are the problem of：
Common problem existing for preceding three classes：Volume is big, quality is heavy, occupied space is big, high energy consumption, adjusts stroke and jig frequency not
Convenient, realization one drag two difficulty.
4th class there are the problem of：
Common hydraulic pumping unit is suspended hydraulic pumping unit in well head, piston rod when which works both at home and abroad at present
It needs to immerse in well, therefore piston rod can be contacted with well liquid, cause piston rod surface seriously corroded, hydraulic pumping unit is caused to use
Service life is greatly shortened；The hydraulic oil in hydraulic pumping unit can be polluted simultaneously, result in the need for frequently replacing hydraulic oil, increased
Add cost for oil production；It is cumbersome for installation；And it can not achieve long stroke（4.5 meters or more）, heavy load（8 tons or more）.
Utility model content
The purpose of the utility model is to overcome the above deficiencies, provide twin-tub well head supporting type hydraulic petroleum lifting device,
May be mounted on the small four-way of production tree, using double hydraulic cylinder structure, stability is good, floor space is small, long lifespan, work can
It leans on.
The technical solution of use
Twin-tub well head supporting type hydraulic petroleum lifting device, including ring flange and two hydraulic cylinders.
Technical points are：
Two hydraulic cylinders are fixedly installed in ring flange upper surface, and the piston rod of two hydraulic cylinders is set up.
Two hydraulic cylinders are to be left and right symmetrically arranged, and are in 180 degree with ring flange center.
Support connecting frame is fixed in two piston rod upper ends, and polished rod upper end is fixed on link.
The centre bore of ring flange is fixedly connected with packing box simultaneously, and polished rod also extends through packing before being pierced by the centre bore of ring flange
Box.
The hydraulic cylinder includes piston, guide sleeve, piston rod and cylinder barrel.
Cylinder barrel under shed is fixedly connected with strut seal, and pillar opens up lower oil inlet.
Piston is fixed on the piston rod, and lower oil inlet is located at below piston.
Piston rod is inserted in cylinder barrel.
Guide sleeve is sealedly and fixedly connected with opening on cylinder barrel, and guide sleeve is stretched out in piston rod upper end.
Oil inlet is opened up on guide sleeve, upper oil inlet is located above piston.
The utility model solves in oil field for stratum energy deficiency itself, and the energy that cannot rely on oil reservoir itself will be oily
The oil well on ground is given rise to, artificially mechanical equipment etc. is utilized to supplement energy to liquid in well, crude oil is given rise into ground.This sets
It is standby to use double-cylinder structure, it is mounted on the small four-way of well head, twin-tub drives polished rod to pump, and plays the role of oil pumping, stablizes
Property is good.
It the advantage is that：
Two hydraulic cylinder integral installations are on ring flange, and ring flange is mounted on the small four-way of well head, and stability is good, take up an area face
Product is small, easy for installation, does not need concrete foundation.
Double hydraulic cylinder structural stability is good and piston rod uplink, need not be in direct contact with liquid in well, and service life is long,
And polished rod is replaced convenient.
Packing box is mounted on ring flange, is replaced packing conveniently, is not required to dismantle.
Available backup equipment integral replacing when maintenance does not influence oil well and normally produces.
It realizes, long stroke（4.5m-6m）, heavy load (8t-20t).
Description of the drawings
Fig. 1 is the assembling schematic diagram of twin-tub well head supporting type hydraulic petroleum lifting device.
Fig. 2 is the partial enlarged view of the first half of Fig. 1.
Fig. 3 is the partial enlarged view of the lower half of Fig. 1.
Bolt 1, ring flange 2, pillar 3, cylinder barrel sealing ring 4, piston 5, packing 6, upper oil inlet 7, guide sleeve sealing ring 8,
Guide sleeve 9, supporting positive cover 10, supporting positive cover back of the body cap 11, dirt-proof boot 12, link 13, square elevator 14, polished rod 15, piston rod nut 16,
Screw 17, dustproof seal ring 18, piston rod packing ring 19, righting sealing ring 20, piston rod 21, packing box 22, piston packing ring
23, cylinder barrel 24, piston nut 25, lower oil inlet 26, pillar nut 27, small four-way 28, hydraulic cylinder 29.
Specific implementation mode
Twin-tub well head supporting type hydraulic petroleum lifting device, including ring flange 2 and two hydraulic cylinders 29.
Two hydraulic cylinders 29 are fixedly installed in 2 upper surface of ring flange, and the piston rod 21 of two hydraulic cylinders 29 is set up.
Two hydraulic cylinders 29 are to be left and right symmetrically arranged, and are in 180 degree with 2 center of ring flange, ensure 2 uniform force of ring flange not
It tilts.
Support connecting frame 13 is fixed in two 21 upper ends of piston rod, has connection frame aperture, 15 upper end of polished rod to wear among link 13
Go out to connect after frame aperture in 15 upper end fixation side elevator 14 of polished rod, elevator 14 is fixed on above connection frame aperture, i.e., square elevator 14 is pacified
The clamping polished rod 15 on 13 upper surface of link.
Polished rod 15 is inserted into the centre bore of ring flange 2, and 2 lower face of ring flange is connected and fixed with the small four-way 28 of well head by bolt 1,
Polished rod 15 stretches into the polished rod entrance of the small four-way of well head 28.
The centre bore of ring flange 2 is threadedly coupled packing box 22 simultaneously, and polished rod 15 is also worn before being pierced by the centre bore of ring flange 2
Packing box 22 is crossed, polished rod 15 is sealed by packing 6, and packing 6 is in packing box 22.
The hydraulic cylinder 29 includes piston 5, guide sleeve 9, piston rod 21 and cylinder barrel 24.
Cylinder barrel sealing ring 4 is mounted on cylinder barrel 24, and 24 under shed of cylinder barrel is threadedly coupled with pillar 3.
Pillar 3 opens up lower oil inlet 26.
Cylinder barrel sealing ring 4 forms cylinder barrel seal assembly with cylinder barrel 24.
Piston packing ring 23 is mounted on piston 5, and piston 5 is placed on piston rod 21 to be fastened by the back of the body of piston nut 25.Under
Oil inlet 26 is located at 5 lower section of piston.
Piston packing ring 23 and piston 5 form piston seal assembly.
Piston rod 21 is inserted in cylinder barrel 24.Guide sleeve 9 is stretched out in 21 upper end of piston rod.
Guide sleeve sealing ring 8 is mounted in guide sleeve 9, and guide sleeve 9 is connect with open-top screw thread on cylinder barrel 24.Guide sleeve seals
Ring 8 is for seal guide sleeve 9 and cylinder barrel 24.
Guide sleeve sealing ring 8 and guide sleeve 9 form guide sleeve seal assembly.
Piston rod packing ring 19 is located at 9 upper end outlet of guide sleeve.
Piston rod packing ring 19 forms piston rod packing assembly with piston rod 21.
Oil inlet 7 is opened up on guide sleeve 9, upper oil inlet 7 is located at 5 top of piston.
A supporting positive cover 10 is arranged on two guide sleeves 9 jointly, is fastened respectively in guide sleeve 9 by the back of the body of supporting positive cover back of the body cap 11
On.
Righting sealing ring 20 is mounted in guide sleeve 9, is located at 8 top of guide sleeve sealing ring, 19 lower section of piston rod packing ring.
Righting sealing ring 20 forms righting assembly with supporting positive cover 10.
Two dustproof seal rings 18 are separately mounted to 12 inside of corresponding dirt-proof boot, and two dirt-proof boots 12 are sleeved on two
It is adjacent to 9 upper surface of guide sleeve on a piston rod 21 and fixation is tightened by screw 17.
Two dustproof seal rings 18 form dust-proof assembly with dirt-proof boot 12.
One link 13 is sleeved on two piston rods 21 and is carried on the back tightly by piston rod nut 16 respectively.
3 lower end of pillar is fastened with 2 cone match of ring flange by the back of the body of pillar nut 27 of 2 lower section of ring flange, and two pillars 3 are
It is symmetrically installed, is in 180 degree with 2 center of ring flange, ensure that 2 uniform force of ring flange does not tilt.Two 29 structures of hydraulic cylinder are identical.
Operation principle：
As shown in Figure 1, the twin-tub well head supporting type hydraulic petroleum lifting device, the hydraulic pressure that oil inlet 26 enters instantly
Oil can push two pistons 5, piston 5 that piston rod 21, piston rod is driven to drive link 13, link 13 after reaching certain pressure
Drive side's elevator 14, square elevator 14 drive polished rod 15 to move upwards.
When upper oil inlet 7 reaches certain pressure into hydraulic oil, piston 5 drives piston rod 21, piston rod 21 to drive connection
Frame 13, moves downward（This 26 pressure release of oil inlet at present）, square elevator 14 and polished rod 15 and corresponding down-hole string under dead weight downwards
Movement.
It so moves repeatedly up and down, plays the role of oil pumping.
Claims (6)
1. twin-tub well head supporting type hydraulic petroleum lifting device, including ring flange（2）With two hydraulic cylinders（29）；Its feature exists
In：
Ring flange（2）Two hydraulic cylinders are fixedly installed in upper surface（29）, two hydraulic cylinders（29）Piston rod（21）Set upwards
It sets；
Two hydraulic cylinders（29）To be left and right symmetrically arranged, with ring flange（2）Center is in 180 degree；
Two piston rods（21）Support connecting frame is fixed in upper end（13）, polished rod（15）Upper end is fixed on link（13）On.
2. twin-tub well head supporting type hydraulic petroleum lifting device according to claim 1, it is characterised in that：Ring flange（2）
Centre bore simultaneously be fixedly connected with packing box（22）, polished rod（15）It is pierced by ring flange（2）Centre bore before also extend through packing box
（22）.
3. twin-tub well head supporting type hydraulic petroleum lifting device according to claim 1, it is characterised in that：The hydraulic pressure
Cylinder（29）Including piston（5）, guide sleeve（9）, piston rod（21）And cylinder barrel（24）；
Cylinder barrel（24）Under shed and pillar（3）It is sealedly and fixedly connected, pillar（3）Open up lower oil inlet（26）；
Piston（5）It is fixed on piston rod（21）On, lower oil inlet（26）Positioned at piston（5）Lower section；
Piston rod（21）It is inserted in cylinder barrel（24）It is interior；
Guide sleeve（9）With cylinder barrel（24）Upper opening is sealedly and fixedly connected, piston rod（21）Guide sleeve is stretched out in upper end（9）；
Guide sleeve（9）On open up oil inlet（7）, upper oil inlet（7）Positioned at piston（5）Top.
4. twin-tub well head supporting type hydraulic petroleum lifting device according to claim 3, it is characterised in that：Two guide sleeves
（9）On be arranged a supporting positive cover jointly（10）.
5. twin-tub well head supporting type hydraulic petroleum lifting device according to claim 3, it is characterised in that：Two dirt-proof boots
（12）Sealing shroud is mounted in two piston rods（21）On, with guide sleeve（9）Upper surface is fixed.
6. twin-tub well head supporting type hydraulic petroleum lifting device according to claim 3, it is characterised in that：Pillar（3）Under
End and ring flange（2）Cone match is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374746.2U CN208089269U (en) | 2018-03-20 | 2018-03-20 | Twin-tub well head supporting type hydraulic petroleum lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374746.2U CN208089269U (en) | 2018-03-20 | 2018-03-20 | Twin-tub well head supporting type hydraulic petroleum lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208089269U true CN208089269U (en) | 2018-11-13 |
Family
ID=64059752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820374746.2U Active CN208089269U (en) | 2018-03-20 | 2018-03-20 | Twin-tub well head supporting type hydraulic petroleum lifting device |
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| Country | Link |
|---|---|
| CN (1) | CN208089269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316894A (en) * | 2018-03-20 | 2018-07-24 | 阜新市石油工具厂 | Twin-tub well head supporting type hydraulic petroleum lifting device |
| CN114109291A (en) * | 2020-08-31 | 2022-03-01 | 中国石油化工股份有限公司 | Low-height anti-jacking anti-twisting pressurizing clamping device and method |
-
2018
- 2018-03-20 CN CN201820374746.2U patent/CN208089269U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316894A (en) * | 2018-03-20 | 2018-07-24 | 阜新市石油工具厂 | Twin-tub well head supporting type hydraulic petroleum lifting device |
| CN114109291A (en) * | 2020-08-31 | 2022-03-01 | 中国石油化工股份有限公司 | Low-height anti-jacking anti-twisting pressurizing clamping device and method |
| CN114109291B (en) * | 2020-08-31 | 2024-03-01 | 中国石油化工股份有限公司 | Low-profile anti-top anti-torsion pressurizing clamping device and method |
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