CN205277350U - Oil well multistage hydraulic sleeve pipe prosthetic devices - Google Patents
Oil well multistage hydraulic sleeve pipe prosthetic devices Download PDFInfo
- Publication number
- CN205277350U CN205277350U CN201521038508.7U CN201521038508U CN205277350U CN 205277350 U CN205277350 U CN 205277350U CN 201521038508 U CN201521038508 U CN 201521038508U CN 205277350 U CN205277350 U CN 205277350U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- hydro
- pneumatic cylinder
- grappling
- piston
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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.)
- Expired - Fee Related
Links
- 239000003129 oil well Substances 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 4
- 238000009418 renovation Methods 0.000 claims description 4
- 241000242541 Trematoda Species 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 6
- 241000935974 Paralichthys dentatus Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 108060002965 flK Proteins 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003137 locomotive Effects 0.000 description 2
- 208000008425 Protein Deficiency Diseases 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 235000015041 whisky Nutrition 0.000 description 1
Abstract
The utility model relates to an oil well multistage hydraulic sleeve pipe prosthetic devices, by first pneumatic cylinder, second pneumatic cylinder, third pneumatic cylinder series connection one -tenth multistage hydraulic, the piston that the hydraulic pressure intracavity of first pneumatic cylinder, second pneumatic cylinder, third pneumatic cylinder all was equipped with the piston rod and was connected with the piston rod, the both ends of second pneumatic cylinder are equipped with the two -way sealing joint who is connected with first pneumatic cylinder, third pneumatic cylinder, the other end of first pneumatic cylinder is connected with the anchor through sealed end cap and connects, the other end of third pneumatic cylinder is connected with regenerator through sealed end cap and connects, the regenerator articulate arrives roll -type plastic regenerator, two -way sealing joint all is equipped with fixed piston step income groove with the inboard of sealed end cap, the utility model discloses can solve oil, the compound problem of turning revisionism of overlapping is often returned to the gas well, uses the utility model discloses the restoration cycle is short, reduce cost 40 -50%, and the 40 -50% that reduces work hours ensures the safety of being under construction, and is energy -concerving and environment -protective, has acquireed better economic benefits.
Description
Technical field
The utility model relates to oil field, oil gas well well workover field, and what be specifically related to is a kind of well workover multistage hydraulic casing repairing device.
Background technology
In oilfield prospecting developing well workover technology is served, oil gas well well workover hardships are complicated, and cost height, has and many times have to process little down-hole problem with main equipment. What current oil well overhaul major part adopted is 450 vehicle-mounted operation locomotives, adds complicated ground equipment, and removal of home installation strength is big, cost height long in time limit.
Casing repairing is the-difficult task of item in heavy repair task, the particularly heavy oil wells of huff and puff exploitation, sleeve shrinking diameter modification is a lot, oil well is caused to stop production, tradition is repaiied this type of well and is wanted 450 vehicle-mounted operation locomotives, adds complicated ground equipment, tube-in-tube under employing brill mill, milling, logical footpath, well cementation completes, and overhaul removal of home installation strength is big, long in time limit, cost height.
Practical novel content
The purpose of this utility model is to overcome above-mentioned deficiency, it is provided that a kind of oil well multistage hydraulic casing repairing device. Change the full ground of tradition well workover to do manual work, for underground hydraulic pressure is done manual work.
For achieving the above object, technical solution of the present utility model is: oil well multistage hydraulic casing repairing device, by the first hydro-cylinder, 2nd hydro-cylinder, 3rd hydro-cylinder is serially connected in multistage hydraulic, described first hydro-cylinder, 2nd hydro-cylinder, the piston being equipped with piston rod in the liquid chamber of the 3rd hydro-cylinder and be connected with piston rod, the two ends of described 2nd hydro-cylinder are provided with and the first hydro-cylinder, the two way seal joint that 3rd hydro-cylinder connects, the other end of described first hydro-cylinder is connected with grappling device joint by seal plug, the other end of described 3rd hydro-cylinder is connected with by seal plug and repairs device joint, described reparation device joint is connected to roll-type Plastic renovation device, the inner side of described two way seal joint and seal plug is equipped with fixed piston step and enters groove.
Further, described piston is provided with piston for fluid apertures.
Further, it is provided with fixed piston step inside described piston.
Further, described 2nd hydro-cylinder and the first hydro-cylinder, the 3rd hydro-cylinder are directly detained thread fit by cone T and are tightly connected.
Further, it is provided with relief hole in described 3rd hydro-cylinder.
Further, described grappling device joint is connected with grappling device body, and described grappling device body is connected to form by four grappling devices, and described four grappling devices are directly connected by sealing connection, described four grappling devices are equipped with several grappling anchor flukes, the other end connected pipes of described grappling device body.
By adopting above-mentioned technical scheme, the beneficial effects of the utility model are: the utility model can solve some and overlap multiple problem of turning revisionism, it may also be useful to the utility model repairing efficiency is short, reducing costs 40-50%, reduce work hours 40-50%, it is ensured that construction safety, energy-conserving and environment-protective, can obtain better economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model grappling device body.
In figure: 1, grappling device joint, 2, seal plug, 3, liquid chamber, 4, piston, 5, fixed piston step, 6, fixed piston step enter groove, 7, two way seal joint, 8, piston is for fluid apertures, 9, piston rod, the 10, first hydro-cylinder, the 11, the 2nd hydro-cylinder, 12, the 3rd hydro-cylinder, 13, repair device joint, 14, roll-type Plastic renovation device, 15, cone T detains thread seal and coordinates, and 16, relief hole, 17, grappling device body, 18, grappling anchor fluke, 19, sealing connection, 20, oil pipe.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As shown in Figure 1, oil well multistage hydraulic casing repairing device of the present utility model, it is serially connected in multistage hydraulic by the first hydro-cylinder 10, the 2nd hydro-cylinder 11, the 3rd hydro-cylinder 12, the piston 4 being equipped with piston rod 9 in the liquid chamber 3 of described first hydro-cylinder 10, the 2nd hydro-cylinder 11, the 3rd hydro-cylinder 12 and be connected with piston rod 9, described piston 4 piston is provided with for fluid apertures 8, is provided with fixed piston step 5 inside described piston 4. the two ends of described 2nd hydro-cylinder 11 are provided with and the first hydro-cylinder 10, the two way seal joint 7 that 3rd hydro-cylinder 12 connects, described 2nd hydro-cylinder 11 and the first hydro-cylinder 10, 3rd hydro-cylinder 12 is directly detained thread seal by cone T and is coordinated 15 connections, the other end of described first hydro-cylinder 10 is connected with grappling device joint 1 by seal plug 2, the other end of described 3rd hydro-cylinder 12 is connected with by seal plug 2 and repairs device joint 13, described reparation device joint 13 is connected to roll-type Plastic renovation device 14, the inner side of described two way seal joint 7 and seal plug 2 is equipped with fixed piston step and enters groove 6, described 3rd hydro-cylinder 12 is provided with relief hole 16.
As shown in Figure 2, described grappling device joint 1 is connected with grappling device body 17, described grappling device body 17 is connected to form by four grappling devices, described four grappling devices are directly connected by sealing connection 19, described four grappling devices are equipped with several grappling anchor flukes 18, it is provided with between described grappling anchor fluke 18 and returns liquid passage, the other end connected pipes 20 of described grappling device body 17.
Principle of work: ground pump truck high pressure line connects into well oil pipe upper end feed flow, liquid supply pressure size is directly proportional to piston rod outputting power, grappling device body 17 is fixing fulcrum, the more high grappling of liquid supply pressure is more firm, grappling device body 17 first works (starting work under pressure 1.5mpa), the first hydro-cylinder 10 being connected in series, 2nd hydro-cylinder 11, 3rd hydro-cylinder 12 is as whisky jack principle, liquid supply pressure 30mpa, power output can reach 150 tons, integer device stretches out 0.5 meter under working, relief hole 16 goes out annular seal space releasing pressure automatically, grappling device body 17 separates anchor simultaneously, oil pipe 20 drives this device to fall 0.5 meter to repeat work.
Above-described, it is only a better embodiment of the present utility model, the scope that the utility model is implemented can not be limited, every impartial change done according to the utility model claim, with decorating, all should still belong in the scope that the utility model is contained.
Claims (6)
1. oil well multistage hydraulic casing repairing device, it is characterized in that: by the first hydro-cylinder (10), 2nd hydro-cylinder (11), 3rd hydro-cylinder (12) is serially connected in multistage hydraulic, described first hydro-cylinder (10), 2nd hydro-cylinder (11), the piston (4) being equipped with piston rod (9) in the liquid chamber (3) of the 3rd hydro-cylinder (12) and be connected with piston rod (9), the two ends of described 2nd hydro-cylinder (11) are provided with and the first hydro-cylinder (10), the two way seal joint (7) that 3rd hydro-cylinder (12) connects, the other end of described first hydro-cylinder (10) is connected with grappling device joint (1) by seal plug (2), the other end of described 3rd hydro-cylinder (12) is connected with by seal plug (2) and repairs device joint (13), described reparation device joint (13) is connected to roll-type Plastic renovation device (14), the inner side of described two way seal joint (7) and seal plug (2) is equipped with fixed piston step and enters groove (6).
2. oil well multistage hydraulic casing repairing device according to claim 1, it is characterised in that: described piston (4) is provided with piston for fluid apertures (8).
3. oil well multistage hydraulic casing repairing device according to claim 2, it is characterised in that: described piston (4) inner side is provided with fixed piston step (5).
4. oil well multistage hydraulic casing repairing device according to claim 1, it is characterised in that: described 2nd hydro-cylinder (11) is directly detained thread seal by cone T with the first hydro-cylinder (10), the 3rd hydro-cylinder (12) and is coordinated (15) to be connected.
5. oil well multistage hydraulic casing repairing device according to claim 1, it is characterised in that: described 3rd hydro-cylinder (12) is provided with relief hole (16).
6. oil well multistage hydraulic casing repairing device according to claim 1, it is characterized in that: described grappling device joint (1) is connected with grappling device body (17), described grappling device body (17) is connected to form by four grappling devices, described four grappling devices are directly connected by sealing connection (19), described four grappling devices are equipped with several grappling anchor flukes (18), the other end connected pipes (20) of described grappling device body (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038508.7U CN205277350U (en) | 2015-12-15 | 2015-12-15 | Oil well multistage hydraulic sleeve pipe prosthetic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038508.7U CN205277350U (en) | 2015-12-15 | 2015-12-15 | Oil well multistage hydraulic sleeve pipe prosthetic devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277350U true CN205277350U (en) | 2016-06-01 |
Family
ID=56061933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521038508.7U Expired - Fee Related CN205277350U (en) | 2015-12-15 | 2015-12-15 | Oil well multistage hydraulic sleeve pipe prosthetic devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485961A (en) * | 2019-08-14 | 2019-11-22 | 中国石油化工股份有限公司 | A kind of hydraulic shaping tubing string and casing swage technique |
| CN112196484A (en) * | 2020-09-08 | 2021-01-08 | 中国石油天然气股份有限公司 | Hydraulic anchor releasing tool |
-
2015
- 2015-12-15 CN CN201521038508.7U patent/CN205277350U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485961A (en) * | 2019-08-14 | 2019-11-22 | 中国石油化工股份有限公司 | A kind of hydraulic shaping tubing string and casing swage technique |
| CN110485961B (en) * | 2019-08-14 | 2021-08-13 | 中国石油化工股份有限公司 | Hydraulic shaping pipe column and casing pipe shaping process |
| CN112196484A (en) * | 2020-09-08 | 2021-01-08 | 中国石油天然气股份有限公司 | Hydraulic anchor releasing tool |
| CN112196484B (en) * | 2020-09-08 | 2022-04-26 | 中国石油天然气股份有限公司 | Hydraulic anchor releasing tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20211215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |