CN102926745A - Anti-sticking short segment for cable formation tests - Google Patents
Anti-sticking short segment for cable formation tests Download PDFInfo
- Publication number
- CN102926745A CN102926745A CN2012104336900A CN201210433690A CN102926745A CN 102926745 A CN102926745 A CN 102926745A CN 2012104336900 A CN2012104336900 A CN 2012104336900A CN 201210433690 A CN201210433690 A CN 201210433690A CN 102926745 A CN102926745 A CN 102926745A
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- Prior art keywords
- urceolus
- slide bar
- sticking
- outer cylinder
- retainer
- Prior art date
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 21
- 239000000725 suspension Substances 0.000 claims abstract description 17
- 210000002445 nipple Anatomy 0.000 claims description 18
- 235000014676 Phragmites communis Nutrition 0.000 claims description 9
- 210000003746 feather Anatomy 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses an anti-sticking short segment for cable formation tests. The anti-sticking short segment comprises an upper joint, an upper outer cylinder, a fixing sleeve, a switch sleeve, a piston, a suspension joint, a middle outer cylinder, a middle sliding rod, a lower outer cylinder, a lower end locking ring and a lower joint, wherein the upper joint, the upper outer cylinder, the middle outer cylinder, the lower outer cylinder and the lower end locking ring are connected into a whole in a threaded mode. The fixing sleeve is arranged in the upper outer cylinder, and the switching sleeve is arranged in the fixing sleeve and connected with the piston; the fixing sleeve is hooked with the suspension joint; and the middle sliding rod is arranged in the middle outer cylinder and integrated with the suspension joint and the lower joint in a threaded mode. The anti-sticking short segment for cable formation tests is novel in structure, capable of being used in high temperature and pressure conditions and safe and reliable. By means of the anti-sticking short segment, on one hand, a test instrument can be sent into testing positions of oil and gas wells accurately; on the other hand, an upper segment of a testing pipe column can move vertically by controlling the opening, and required test operation is completed.
Description
Technical field
The present invention relates to the petroleum works field, relate in particular to a kind of cable formation testing anti-sticking pipe nipple.
Background technology
Logging cable belongs to the electrical equipment cable, and its predominant use is bearing tension, system power supply, signal transmission, severity control.Be used for all kinds of oil, gas well well logging, perforation, get the operation such as core.The purpose of logging cable well logging is for various parameters under the detecting shaft.The important function of logging cable is exactly to carry various downhole probes, transmit various signals between ground control system and the downhole instrument, obtain the depth location of down-hole information.
In logging operation, as occuring, fast cable joint comes off or fracture accident, and cause fast cable joint and following cable to fall into test string, cause complex accident.
Existing cable formation testing anti-sticking pipe nipple is not controlled opening mechanism, the problem of existence be test string in being lowered to process, upper-lower section relatively moves, and can't accurately send into tester the test position of Oil/gas Well, finishes corresponding operation.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of cable formation testing anti-sticking pipe nipple.
For achieving the above object, a kind of cable formation testing anti-sticking pipe nipple of the present invention is characterized in that,
At least comprise top connection, upper urceolus, fixed sleeve part, switch sleeve, piston, suspension joint, middle urceolus,
Middle slide bar, lower urceolus, bottom retainer and lower contact, wherein, described top connection, upper urceolus, middle urceolus, lower urceolus, bottom retainer link into an integrated entity by engage thread; Described fixed sleeve part places in the urceolus, its built-in described switch sleeve, and switch sleeve is connected with piston; Described fixed sleeve part and suspension joint link together; Slide bar places in the middle urceolus in the middle of described, and links into an integrated entity by engage thread with suspension joint, lower contact.
Preferably, described fixed sleeve part comprises fixed cover, eave tile, fixed axis, hold-down screw, safety plug and insurance reed, on the described switch sleeve contact is installed; Wherein, described insurance reed is installed on the described fixed cover by described hold-down screw, and described insurance reed pushes described safety plug, and described safety plug withstands described contact, described eave tile is installed on the described fixed cover by described fixed axis, and described eave tile and described suspension joint link together.
Preferably, described switch sleeve is fixed by connecting bolt and piston, and the first O-ring seals and the second O-ring seals are installed on the described piston; The 3rd O-ring seals is installed in the described top connection.
Preferably, described center slide bar is connected with upper supporting positive cover by engage thread, and the U-shaped sealing ring is installed on the described suspension joint; Described center slide bar outer race has upper bumper ring, buffer spring, lower bumper ring, and described upper bumper ring, buffer spring, lower bumper ring all place in the lower urceolus; Be provided with retainer and lower supporting positive cover in the retainer of described bottom, described retainer and lower supporting positive cover are enclosed within on the slide bar of described center; Described center slide bar is provided with to chute, and from be provided with feather key in chute, described feather key is fixed in the retainer of described bottom.
Preferably, the first anti-back screw is installed in the described lower contact; The second anti-back screw is installed on the described lower urceolus; The 3rd anti-back screw is installed on the described upper supporting positive cover; Fix by the 4th anti-back screw between described top connection and the described upper urceolus.
Beneficial effect of the present invention is:
Novel structure of the present invention can use under high-temperature and high-pressure conditions, and is safe and reliable, on the one hand tester accurately sent into the test position of Oil/gas Well; Open by control on the other hand, realize move up and down (anti-sticking) of test string epimere; Simultaneously, realize the transmission of pressure, transfer of torque and electric current, the signal of telecommunication, finish the test jobs that needs.
Description of drawings
Fig. 1 is the structure sectional view of the described cable formation testing anti-sticking of embodiment of the invention pipe nipple.
The specific embodiment
The present invention will be further described below in conjunction with Figure of description.
Existing cable formation testing anti-sticking pipe nipple is not controlled opening mechanism, the problem of existence be test string in being lowered to process, upper-lower section relatively moves, and can't accurately send into tester the test position of Oil/gas Well, finishes corresponding operation.
As shown in Figure 1, the described a kind of cable formation testing anti-sticking pipe nipple of the embodiment of the invention, top connection 1, upper urceolus 2, fixed cover 3, switch sleeve 4, connecting bolt 5, piston 6, suspension joint 7, upper supporting positive cover 8,
Middle urceolus 9, center slide bar 10, upper bumper ring 11, lower urceolus 12, buffer spring 13, lower bumper ring
The compositions such as 14, retainer 15, lower supporting positive cover 16, bottom retainer 17, feather key 18, lower contact 19, number one anti-back screw 20, No. second anti-back screw 21, U-shaped sealing ring 22, the 3rd anti-back screw 23, the first O-ring seals 24, the second O-ring seals 25, eave tile 26, fixed axis 27, hold-down screw 28, contact 29, safety plug 30, insurance reed 31, the 3rd O-ring seals 32, No. four anti-back screw 33, male joint 34, cable 35.
Described top connection 1, upper urceolus 2, middle urceolus 9, lower urceolus 12, bottom retainer 17 are threaded connection and are integral, and the 3rd O-ring seals 32 is contained in the top connection 1, and the 4th anti-back screw 33 is the connecting thread between top connection 1 and the upper urceolus 2 fixedly; Fixed cover 3 is contained in the urceolus 2, and insurance reed 31 is contained on the fixed cover 3 by hold-down screw 28, and insurance reed 31 is pushed down safety plug 30, safety plug 30 withstands contact 29, eave tile 26 is contained on the fixed cover 3 by fixed axis 27, and eave tile 26 catches on suspension joint 7, realizes the locking of center slide bar 10; Switch sleeve 4 is contained in the fixed cover 3, and contact 29 is contained on the switch sleeve 4, and switch sleeve 4 is fixing with piston 6 by connecting bolt 5, and the first O-ring seals 24, the second O-ring seals 25 are contained on the piston 6; Suspension joint 7, center slide bar 10, lower contact 19 are threaded connection and are integral, and the first anti-back screw 20 is contained in the lower contact 19; U-shaped sealing ring 22 is contained on the hanging joint 7; Upper supporting positive cover 8 is threaded connection on center slide bar 10, and the 3rd anti-back screw 23 is contained on the supporting positive cover 8; Upper bumper ring 11, buffer spring 13, lower bumper ring 14 are enclosed within on the center slide bar 10, are contained in the lower urceolus 12, realize the buffering course when center slide bar 10 moves up and down; Retainer 15, lower supporting positive cover 16 are enclosed within on the center slide bar 19, are contained in the bottom retainer 17, play righting center slide bar 10; Feather key 18 is contained in the clump of center slide bar 10 in chute, and feather key 18 is fixed in the bottom retainer 17, limits the rotation of center slide bar 10.
Cable formation testing anti-sticking pipe nipple locking is as a whole, can accurately send into tester the test position of Oil/gas Well.When needing to open cable formation testing anti-sticking pipe nipple, connect male joint 34 with cable 35, be lowered to the test string endoporus, when contact 29 is passed through in male joint 34, contact 29 is outwards pushed safety plug 30 open, switch sleeve 4 moves down with piston 6, when moving to eave tile 26 position, outwards pushes eave tile 26 open, eave tile 26 breaks away from suspension joint 7, realize the release of cable formation testing anti-sticking pipe nipple, by put-on and delegated, realize move up and down (anti-sticking) of test string epimere; Simultaneously, realize the transmission of pressure, transfer of torque and electric current, the signal of telecommunication, finish the test jobs that needs.
Use of the present invention can the cable formation testing anti-sticking pipe nipple for any model on, should guarantee material property, crudy, thermal treatment quality and assembly quality in the specific implementation, only in this way just can guarantee cable formation testing anti-sticking pipe nipple reliability and the high life in the use of the present invention.
Above; be preferred embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim was defined.
Claims (5)
1. cable formation testing anti-sticking pipe nipple, it is characterized in that, at least comprise top connection, upper urceolus, fixed sleeve part, switch sleeve, piston, suspension joint, middle urceolus, middle slide bar, lower urceolus, bottom retainer and lower contact, wherein, described top connection, upper urceolus, middle urceolus, lower urceolus, bottom retainer link into an integrated entity by engage thread; Described fixed sleeve part places in the urceolus, its built-in described switch sleeve, and switch sleeve is connected with piston; Described fixed sleeve part and suspension joint link together; Slide bar places in the middle urceolus in the middle of described, and links into an integrated entity by engage thread with suspension joint, lower contact.
2. cable formation testing anti-sticking pipe nipple according to claim 1 is characterized in that, described fixed sleeve part comprises fixed cover, eave tile, fixed axis, hold-down screw, safety plug and insurance reed, on the described switch sleeve contact is installed; Wherein, described insurance reed is installed on the described fixed cover by described hold-down screw, and described insurance reed pushes described safety plug, and described safety plug withstands described contact, described eave tile is installed on the described fixed cover by described fixed axis, and described eave tile and described suspension joint link together.
3. cable formation testing anti-sticking pipe nipple according to claim 1 is characterized in that, described switch sleeve is fixed by connecting bolt and piston, and the first O-ring seals and the second O-ring seals are installed on the described piston; The 3rd O-ring seals is installed in the described top connection.
4. according to claim cable formation testing anti-sticking according to claim 1 pipe nipple, it is characterized in that, described center slide bar is connected with upper supporting positive cover by engage thread, and the U-shaped sealing ring is installed on the described suspension joint; Described center slide bar outer race has upper bumper ring, buffer spring, lower bumper ring, and described upper bumper ring, buffer spring, lower bumper ring all place in the lower urceolus; Be provided with retainer and lower supporting positive cover in the retainer of described bottom, described retainer and lower supporting positive cover are enclosed within on the slide bar of described center; Described center slide bar is provided with to chute, and from be provided with feather key in chute, described feather key is fixed in the retainer of described bottom.
5. cable formation testing anti-sticking pipe nipple according to claim 1 is characterized in that, the first anti-back screw is installed in the described lower contact; The second anti-back screw is installed on the described lower urceolus; The 3rd anti-back screw is installed on the described upper supporting positive cover; Fix by the 4th anti-back screw between described top connection and the described upper urceolus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210433690.0A CN102926745B (en) | 2012-11-02 | 2012-11-02 | Anti-sticking short segment for cable formation tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210433690.0A CN102926745B (en) | 2012-11-02 | 2012-11-02 | Anti-sticking short segment for cable formation tests |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102926745A true CN102926745A (en) | 2013-02-13 |
| CN102926745B CN102926745B (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210433690.0A Active CN102926745B (en) | 2012-11-02 | 2012-11-02 | Anti-sticking short segment for cable formation tests |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102926745B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050075013A1 (en) * | 2002-10-15 | 2005-04-07 | Jennings Charles E. | Subsea well electrical connector |
| CN202023557U (en) * | 2011-01-31 | 2011-11-02 | 中国石油化工集团公司 | Cable inlet device for power and signal transmission drill rod |
| CN202108501U (en) * | 2011-04-21 | 2012-01-11 | 山东胜利伟业石油工程技术服务有限公司 | Novel storage type logging release system |
-
2012
- 2012-11-02 CN CN201210433690.0A patent/CN102926745B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050075013A1 (en) * | 2002-10-15 | 2005-04-07 | Jennings Charles E. | Subsea well electrical connector |
| CN202023557U (en) * | 2011-01-31 | 2011-11-02 | 中国石油化工集团公司 | Cable inlet device for power and signal transmission drill rod |
| CN202108501U (en) * | 2011-04-21 | 2012-01-11 | 山东胜利伟业石油工程技术服务有限公司 | Novel storage type logging release system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102926745B (en) | 2015-06-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA PETROLEUM +. NATURAL GAS CO., LTD. Free format text: FORMER OWNER: XINJIANG TARIM OILFIELD CONSTRUCTION ENGINEERING CO., LTD. Effective date: 20140312 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 841000 BAYINGOLIN MONGOL AUTONOMOUS PREFECTURE, XINJIANG UYGUR AUTONOMOUS REGION TO: 100011 DONGCHENG, BEIJING |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140312 Address after: 100011 Beijing city Dongcheng District No. 16 Andrew Applicant after: PetroChina Company Limited Address before: The tower of the Xinjiang Uygur Autonomous Region Korla City Road 841000 Applicant before: XINJIANG TARIM OILFIELD CONSTRUCTION ENGINEERING Co.,Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |