CN203626808U - Well logger multi-core joint butting and positioning structure - Google Patents
Well logger multi-core joint butting and positioning structure Download PDFInfo
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- CN203626808U CN203626808U CN201320803622.9U CN201320803622U CN203626808U CN 203626808 U CN203626808 U CN 203626808U CN 201320803622 U CN201320803622 U CN 201320803622U CN 203626808 U CN203626808 U CN 203626808U
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- joint
- ring
- female joint
- male joint
- retaining ring
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Abstract
A well logger multi-core joint butting and positioning structure comprises a male joint body and a female joint body. The outer circumferential wall face of the male joint body is provided with a threaded connection ring, while the inner circumferential wall face of the female joint body is provided with threads matched with the threaded connection ring. A male joint retaining ring is detachably fixed inside the inner cavity of the male joint body, and a male joint plug-in unit is detachably fixed inside the inner cavity of the male joint retaining ring. The front end of the male joint retaining ring is provided with a male joint positioning semi-ring which protrudes outwards. A female joint retaining ring is detachably fixed inside the inner cavity of the female joint body, and a female joint plug-in unit is detachably fixed inside the inner cavity of the female joint retaining ring. The front end of the female joint retaining ring is provided with a female joint positioning semi-ring which protrudes outwards. When the male joint body and the female joint body are connected into a whole, the male joint plug-in unit and the female joint plug-in unit are in a plugged and fitted state, and the male joint positioning semi-ring and the female joint positioning semi-ring form a whole ring through encirclement. The positioning structure is good in strength and high in rigidity, and the problem of difficult butting between multi-core logging instruments is solved.
Description
Technical field
The utility model relates to the docking technique of downhole logging instruments, refers to particularly a kind of logging instrument multicore joint docking location structure.
Background technology
At present, a lot of loggers are very long and heavy, for convenient transportation, must be divided into multistage assembles, if multicore instrument, between when docking two sections of lock pins, be all one to one, so need a location structure to make two sections can be threaded connection and inner lock pin can not misplace with the rotation of screw thread.
There is following problem in the location structure of tradition logging instrument multicore joint:
1, the location structure having is too weak, if two sections were rocked conference while connecting and damage internal construction and make two sections cannot dock, has seriously affected logging efficiency.
2, the location structure having adopts alignment pin form, need to find pin accurately and could dock with the position in hole, can not locate at an arbitrary position to carry out capturing position by rotating instrument.
3, the location structure more complicated having, is difficult to processing, installs and changes.
Therefore, need a kind of simple and reliable multicore docking location structure badly, to solve the especially problem of difficult docking between minor diameter instrument of Multi-core logging instrument.
Summary of the invention
The purpose of this utility model will provide a kind of logging instrument multicore joint docking location structure exactly, to solve the especially problem of difficult docking between minor diameter instrument of Multi-core logging instrument.
For achieving the above object, the logging instrument multicore joint docking location structure that the utility model is designed, comprise male joint body and female joint body, on the cylindrical wall of described male joint body, be provided with the screw shackle coordinating with its rotation, on the inner circle wall of described female joint body, be provided with the screw thread matching with screw shackle, thereby male joint body and female joint body are connected as a single entity, and its special character is:
The detachable male joint retaining ring that is installed with in the inner chamber of described male joint body, the detachable male joint plug-in unit that is installed with in the inner chamber of described male joint retaining ring, the front end of described male joint retaining ring is provided with outwardly male joint location semi-ring;
The detachable female joint retaining ring that is installed with in the inner chamber of described female joint body, the detachable female joint plug-in unit that is installed with in the inner chamber of described female joint retaining ring, the front end of described female joint retaining ring is provided with outwardly female joint location semi-ring;
When described male joint body and female joint body are connected as a single entity, described male joint plug-in unit and female joint plug-in unit are mutual grafting mated condition, and semi-ring is located in described male joint and female joint location semi-ring is encircled into full circle ring.
As preferred version, between described male joint retaining ring and male joint body, be circumferentially located by connecting by the first positioning key, and connect by the first end face back-up ring axial location.Like this, simple in structure, it is convenient to mount and dismount.
As preferred version, the rear end of described male joint retaining ring is provided with the male joint pressure ring with its threaded engagement, described male joint pressure ring coordinates with the convex shoulder end face butt of male joint plug-in unit, between described male joint retaining ring and male joint plug-in unit, be also provided with the first radial peg, thereby realize the axial and circumferential location of male joint plug-in unit.Adopt screw thread location can make parts stable connection, it is firm to dock.
Further, between described female joint retaining ring and female joint body, be circumferentially located by connecting by the second positioning key, and connect by the second end face back-up ring axial location.In like manner, it is simple in structure, and it is convenient to mount and dismount.
Further, the rear end of described female joint retaining ring is provided with the female joint pressure ring with its threaded engagement, described female joint pressure ring coordinates with the convex shoulder end face butt of female joint plug-in unit, between described female joint retaining ring and female joint plug-in unit, be also provided with the second radial peg, thereby realize the axial and circumferential location of female joint plug-in unit.In like manner, adopt screw thread location can make parts stable connection, it is firm to dock.
Further, the wall thickness of described male joint location semi-ring equates with the wall thickness of female joint location semi-ring, and the wall thickness of described male joint location semi-ring is not less than 1/4 of described male joint retaining ring body thickness, the wall thickness of described female joint location semi-ring is not less than 1/4 of female joint retaining ring body thickness.Like this, can effectively overcome the too weak defect of traditional location structure, guarantee that two-stage structure docking is firm, thereby improve logging efficiency.
Further, on the cylindrical wall of described male joint body, be also provided with the O RunddichtringO matching with the inner circle wall of female joint body.Preferably, described O RunddichtringO is at least provided with twice.Like this, can effectively prevent harmful liquid or gas intrusion, the application life of guaranteeing logger.
The utility model has the advantage of: by be respectively arranged with outwardly male joint location semi-ring and female joint location semi-ring at the front end of male joint retaining ring and female joint retaining ring, when male joint body and female joint body are connected as a single entity, described male joint plug-in unit and female joint plug-in unit are mutual grafting mated condition, and semi-ring is located in described male joint and female joint location semi-ring is encircled into full circle ring.Location structure reliability is high, good positioning effect, and can adopt at an arbitrary position the method for rotating instrument to dock; It is simple in structure in addition, is easy to processing, installs and changes, and intensity is large, has effectively solved the especially problem of difficult docking between minor diameter instrument of Multi-core logging instrument.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of male joint body of logging instrument multicore joint docking location structure.
Fig. 2 is a kind of structural representation of female joint body of logging instrument multicore joint docking location structure.
Fig. 3 is the structural representation of male joint retaining ring in Fig. 1.
Fig. 4 is the structural representation of female joint retaining ring in Fig. 2.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Fig. 1~4, the logging instrument multicore joint docking location structure that the utility model is designed, comprise male joint body 1 and female joint body 9, on the cylindrical wall of male joint body 1, be provided with the screw shackle 2 coordinating with its rotation, screw shackle 2 adopts split type structure, when installation, be integrated, on the inner circle wall of female joint body 9, be provided with the screw thread matching with screw shackle 2, thereby male joint body 1 and female joint body 9 are connected as a single entity.On the cylindrical wall of male joint body 1, be also provided with the O RunddichtringO 16 matching with the inner circle wall of female joint body 9, O RunddichtringO 16 is provided with twice, in order to stop down-hole liquid or moisture to corrode.
The detachable male joint retaining ring 4 that is installed with in the inner chamber of above-mentioned male joint body 1, the detachable male joint plug-in unit 6 that is installed with in the inner chamber of male joint retaining ring 4, the front end of male joint retaining ring 4 is provided with outwardly male joint location semi-ring 4a.Specifically, between male joint retaining ring 4 and male joint body 1, be circumferentially located by connecting by the first positioning key 7, and connect by the first end face back-up ring 8 axial location.And, the rear end of male joint retaining ring 4 is provided with the male joint pressure ring 3 with its threaded engagement, male joint pressure ring 3 coordinates with the convex shoulder end face butt of male joint plug-in unit 6, between male joint retaining ring 4 and male joint plug-in unit 6, be also provided with the first radial peg 5, thereby realize the axial and circumferential location of male joint plug-in unit 6.
The detachable female joint retaining ring 10 that is installed with in the inner chamber of above-mentioned female joint body 9, the detachable female joint plug-in unit 11 that is installed with in the inner chamber of female joint retaining ring 10, the front end of female joint retaining ring 10 is provided with outwardly female joint location semi-ring 10a.Specifically, between female joint retaining ring 10 and female joint body 9, be circumferentially located by connecting by the second positioning key 15, and connect by the second end face back-up ring 12 axial location.And, the rear end of female joint retaining ring 10 is provided with the female joint pressure ring 14 with its threaded engagement, female joint pressure ring 14 coordinates with the convex shoulder end face butt of female joint plug-in unit 11, between female joint retaining ring 10 and female joint plug-in unit 11, be also provided with the second radial peg 13, thereby realize the axial and circumferential location of female joint plug-in unit 11.
The wall thickness of above-mentioned male joint location semi-ring 4a equates with the wall thickness design of female joint location semi-ring 10a, and the wall thickness of male joint location semi-ring 4a is not less than 1/4 of male joint retaining ring 4 body thickness, the wall thickness of female joint location semi-ring 10a is not less than 1/4 of female joint retaining ring 10 body thickness.Design above-mentioned enough wall thickness and can guarantee the strength and stiffness of location structure, thereby make two-stage structure docking firm, improve packaging efficiency and the service efficiency of logger.
When above-mentioned male joint body 1 is connected as a single entity with female joint body 9, male joint plug-in unit 6 is mutual grafting mated condition with female joint plug-in unit 11, and semi-ring 4a is located in male joint and female joint location semi-ring 10a is encircled into a full circle ring that Stability Analysis of Structures is firm.
Operating principle of the present utility model is as follows: the outwardly male joint location semi-ring 4a arranging respectively by the front end of male joint retaining ring 4 and female joint retaining ring 10 and female joint location semi-ring 10a realize it and circumferentially retrain, and after male joint plug-in unit 6 and lock pin on female joint plug-in unit 11 are corresponding one by one, achieves a butt joint by rotation screw shackle 2.When male joint body 1 docks with female joint body 9, male joint plug-in unit 6 has relative position requirement with female joint plug-in unit 11, when in the time of docking, male joint body 1 is with female joint body 9, can not relatively rotate, because male joint plug-in unit 6 and female joint plug-in unit 11 are separately fixed in male joint retaining ring 4 and female joint retaining ring 10, during with any circumferential position docking male joint body 1 and female joint body 9, male joint retaining ring 4 first contacted before screw shackle 2 enters button with female joint retaining ring 10, adjust circumferential position by rotating male joint body 1 or female joint body 9, now male joint location semi-ring 4a and female joint are located semi-ring 10a and are encircled into full circle ring and can retrain it and relatively rotate, after screw thread enters button, threaded together connecting ring 2 completes docking.
Claims (8)
1. a logging instrument multicore joint docking location structure, comprise male joint body (1) and female joint body (9), on the cylindrical wall of described male joint body (1), be provided with the screw shackle (2) coordinating with its rotation, on the inner circle wall of described female joint body (9), be provided with the screw thread matching with screw shackle (2), thereby male joint body (1) and female joint body (9) are connected as a single entity, it is characterized in that:
The detachable male joint retaining ring (4) that is installed with in the inner chamber of described male joint body (1), the detachable male joint plug-in unit (6) that is installed with in the inner chamber of described male joint retaining ring (4), the front end of described male joint retaining ring (4) is provided with outwardly male joint location semi-ring (4a);
The detachable female joint retaining ring (10) that is installed with in the inner chamber of described female joint body (9), the detachable female joint plug-in unit (11) that is installed with in the inner chamber of described female joint retaining ring (10), the front end of described female joint retaining ring (10) is provided with outwardly female joint location semi-ring (10a);
When described male joint body (1) is connected as a single entity with female joint body (9), described male joint plug-in unit (6) is mutual grafting mated condition with female joint plug-in unit (11), and described male joint location semi-ring (4a) is encircled into full circle ring with female joint location semi-ring (10a).
2. logging instrument multicore joint docking location structure according to claim 1, it is characterized in that: between described male joint retaining ring (4) and male joint body (1), be circumferentially located by connecting by the first positioning key (7), and connect by the first end face back-up ring (8) axial location.
3. logging instrument multicore joint docking location structure according to claim 1, it is characterized in that: the rear end of described male joint retaining ring (4) is provided with the male joint pressure ring (3) with its threaded engagement, described male joint pressure ring (3) coordinates with the convex shoulder end face butt of male joint plug-in unit (6), between described male joint retaining ring (4) and male joint plug-in unit (6), be also provided with the first radial peg (5), thereby realize the axial and circumferential location of male joint plug-in unit (6).
4. logging instrument multicore joint docking location structure according to claim 1, it is characterized in that: between described female joint retaining ring (10) and female joint body (9), be circumferentially located by connecting by the second positioning key (15), and connect by the second end face back-up ring (12) axial location.
5. logging instrument multicore joint docking location structure according to claim 1, it is characterized in that: the rear end of described female joint retaining ring (10) is provided with the female joint pressure ring (14) with its threaded engagement, described female joint pressure ring (14) coordinates with the convex shoulder end face butt of female joint plug-in unit (11), between described female joint retaining ring (10) and female joint plug-in unit (11), be also provided with the second radial peg (13), thereby realize the axial and circumferential location of female joint plug-in unit (11).
6. according to the logging instrument multicore joint docking location structure described in any one in claim 1~4, it is characterized in that: the wall thickness of described male joint location semi-ring (4a) equates with the wall thickness of female joint location semi-ring (10a), and the wall thickness of described male joint location semi-ring (4a) is not less than 1/4 of described male joint retaining ring (4) body thickness, the wall thickness of described female joint location semi-ring (10a) is not less than 1/4 of female joint retaining ring (10) body thickness.
7. according to the logging instrument multicore joint docking location structure described in any one in claim 1~4, it is characterized in that: on the cylindrical wall of described male joint body (1), be also provided with the O RunddichtringO (16) matching with the inner circle wall of female joint body (9).
8. logging instrument multicore joint docking location structure according to claim 7, is characterized in that: described O RunddichtringO (16) is at least provided with twice.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320803622.9U CN203626808U (en) | 2013-12-09 | 2013-12-09 | Well logger multi-core joint butting and positioning structure |
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CN201320803622.9U CN203626808U (en) | 2013-12-09 | 2013-12-09 | Well logger multi-core joint butting and positioning structure |
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CN201320803622.9U Withdrawn - After Issue CN203626808U (en) | 2013-12-09 | 2013-12-09 | Well logger multi-core joint butting and positioning structure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103615234A (en) * | 2013-12-09 | 2014-03-05 | 武汉海王机电工程技术公司 | Multi-core connector butt-joint positioning structure of logging instrument |
CN105781534A (en) * | 2016-04-07 | 2016-07-20 | 中国海洋石油总公司 | Connecting structure formed by data stick, drill collar and internal pup joint and logging while drilling instrument |
CN109236270A (en) * | 2018-08-24 | 2019-01-18 | 中国海洋石油集团有限公司 | A kind of logging instrument |
-
2013
- 2013-12-09 CN CN201320803622.9U patent/CN203626808U/en not_active Withdrawn - After Issue
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103615234A (en) * | 2013-12-09 | 2014-03-05 | 武汉海王机电工程技术公司 | Multi-core connector butt-joint positioning structure of logging instrument |
CN103615234B (en) * | 2013-12-09 | 2015-12-16 | 武汉海王机电工程技术公司 | Logging instrument multi-core connector butt junction location structure |
CN105781534A (en) * | 2016-04-07 | 2016-07-20 | 中国海洋石油总公司 | Connecting structure formed by data stick, drill collar and internal pup joint and logging while drilling instrument |
CN105781534B (en) * | 2016-04-07 | 2019-05-17 | 中国海洋石油集团有限公司 | The connection structure and connector for logging while drilling that data stick, drill collar and internal pipe nipple are formed |
CN109236270A (en) * | 2018-08-24 | 2019-01-18 | 中国海洋石油集团有限公司 | A kind of logging instrument |
CN109236270B (en) * | 2018-08-24 | 2023-11-21 | 中国海洋石油集团有限公司 | Logging instrument |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20140604 Effective date of abandoning: 20151216 |
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C25 | Abandonment of patent right or utility model to avoid double patenting |