CN203867547U - Rotating short section logging instrument - Google Patents
Rotating short section logging instrument Download PDFInfo
- Publication number
- CN203867547U CN203867547U CN201420185366.6U CN201420185366U CN203867547U CN 203867547 U CN203867547 U CN 203867547U CN 201420185366 U CN201420185366 U CN 201420185366U CN 203867547 U CN203867547 U CN 203867547U
- Authority
- CN
- China
- Prior art keywords
- sealing
- short section
- piston
- slip ring
- pipe nipple
- Prior art date
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000001012 protector Effects 0.000 claims abstract description 12
- 230000003068 static effect Effects 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 210000002445 nipple Anatomy 0.000 claims description 31
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Landscapes
- Helmets And Other Head Coverings (AREA)
Abstract
The utility model relates to a rotating short section logging instrument which comprises a protecting cap, an upper connector, an upper oiling short section, a slip ring outer sleeve, a copper ring, a piston outer sleeve, a lower connector and a thread protector, wherein the protecting cap, the upper connector, the upper oiling short section, the slip ring outer sleeve, the copper ring, the piston outer sleeve, the lower connector and the thread protector are connected in sequence. A female socket is mounted in the upper connector, the upper connector and a compression spring sleeve are fixed to a spring seat, and a sealing plug assembly and an upper connector circuit are mounted on a first sealing plug body seat. A slip ring assembly is fixed in the slip ring outer sleeve, and a bearing assembly, a dynamic sealing short section, the copper ring, a static sealing short section and a locking nut are mounted on a central shaft in sequence. A piston, a balancing spring and a second sealing plug body seat are mounted on a piston shaft in the piston outer sleeve, the second sealing plug body seat is provided with a sealing plug assembly and a lower connector circuit, and the lower connector with a male plug mounted is connected with the piston outer sleeve. Compared with the prior art, the rotating short section logging instrument has the advantages that relative connection between components during rotation is achieved through the static sealing short section and the dynamic sealing short section, relative connection of the circuit parts during rotation is achieved through slip rings, and the reliability of logging work and safety of instruments and equipment are guaranteed.
Description
Technical field
The utility model relates to a kind of logging instrument servicing unit, relates in particular to a kind of rotating short-knot logging instrument.
Background technology
One comprises ground logging system and downhole instrument two parts oil well logging instrument, by logging cable, contact this two parts, the effect of cable is logger to be put into down-hole or carrying and logging well on instrument, uploads the signal that downhole instrument collects simultaneously and passes down the instruction that ground system sends.In practical logging process, combined instrument well logging is more, cable load-bearing is larger, when instrument is delegated to down-hole or elevates simultaneously, because logger string bottom is unsettled, therefore can rotate, in the situation that there is no rotating short-knot, the torsion of instrument string rotation will be delivered on cable, even can make cable breakage, cause major accident.
Summary of the invention
The utility model provides a kind of rotating short-knot logging instrument, by static seal pipe nipple and movable sealing pipe nipple, realize the relative connection while rotating between parts, relative connection while realizing circuit part rotation by slip ring, guarantees the reliability of well logging and the safety of plant and instrument.
In order to achieve the above object, the utility model is realized by the following technical solutions:
Rotating short-knot logging instrument, comprise the helmet, top connection, upper oiling pipe nipple, slip ring overcoat, copper ring, piston jacket, lower contact and the thread protector that connect successively, threaded collar is contained in top connection outside and is threaded connection with helmet, mother socket is equipped with in top connection inside, mother socket and Compress Spring are enclosed within on spring base by volume skin pin and fix, and be positioned on the sealing cock body seat one of oiling pipe nipple sealing-plug assembly and top connection circuit are installed; Slip ring assembly is fixed in the slip ring overcoat of upper oiling pipe nipple end by slip ring shift fork, bearing assembly, movable sealing pipe nipple, copper ring, static seal pipe nipple and locking nut are also housed on central axis successively, static seal pipe nipple is connected with slip ring overcoat by screw thread, and movable sealing pipe nipple is connected with piston jacket by screw thread; Piston, balancing spring and sealing cock body seat two are housed on the axis of the piston in piston jacket, and sealing cock body seat two is provided with sealing-plug assembly and lower contact circuit, and the lower contact that public plug is housed is connected with piston jacket by screw thread.
Between described helmet and top connection, lower contact and thread protector, be threaded connection.
Described bearing assembly comprises thrust bearing, end ring 1, ball bearing, end ring 2.
Compared with prior art, the beneficial effects of the utility model are:
1) by static seal pipe nipple and movable sealing pipe nipple, realize the relative connection while rotating between parts, the relative connection while realizing circuit part rotation by slip ring, guarantees the reliability of well logging and the safety of plant and instrument;
2) before top connection, establish helmet, after lower contact, establish thread protector, and be threaded connection, good airproof performance, high temperature high voltage resistant and corrosion;
3) simple and compact for structure, connect reliably, overall tightness is good.
Accompanying drawing explanation
Fig. 1 is the utility model front section.(the supreme blank area of helmet)
Fig. 2 is the utility model rear section figure.(lower contact is to thread protector part)
Fig. 3 is the utility model middle section figure.(upper oiling pipe nipple is to piston jacket part)
In figure: 1. in helmet 2. threaded collar 3. Compress Spring 4. spring base 5. top connections 6., oiling pipe nipple 7. sealing cock body seat one 8. slip ring overcoat 9. slip ring shift fork 10. slip ring assembly 11. central axis 12. movable sealing pipe nipple 13. copper ring 14. static seal pipe nipple 15. locking nut 16. piston jacket 17. piston 18. balancing spring 19. the axis of the pistons 20. seal cock body seat 2 21. lower contact 22. thread protector 23. mother socket 24. thrust bearing 25. end rings, (1) 26. ball bearing 27. end rings, (2) 28. public plug 29. sealing-plug assemblies
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further:
See Fig. 1-Fig. 3, it is structural representation of the present utility model, the utility model rotating short-knot logging instrument, comprise the helmet 1, top connection 5, upper oiling pipe nipple 6, slip ring overcoat 8, copper ring 13, piston jacket 16, lower contact 21 and the thread protector 22 that connect successively, threaded collar 2 is contained in top connection 5 outsides and is threaded connection with helmet 1, mother socket 23 is equipped with in top connection 5 inside, mother socket 23 is enclosed within on spring base 4 and fixes by volume skin pin with Compress Spring 3, is positioned on the sealing cock body seat 1 of oiling pipe nipple 6 sealing-plug assembly 29 and top connection circuit are installed; Slip ring assembly 10 is fixed in the slip ring overcoat 8 of upper oiling pipe nipple 6 ends by slip ring shift fork 9, bearing assembly, movable sealing pipe nipple 12, copper ring 13, static seal pipe nipple 14 and locking nut 15 are also housed on central axis 11 successively, static seal pipe nipple 14 is connected with slip ring overcoat 8 by screw thread, and movable sealing pipe nipple 12 is connected with piston jacket 16 by screw thread; Piston 17, balancing spring 18 and sealing cock body seat 2 20 are housed on the axis of the piston 19 in piston jacket 16, and sealing cock body seat 2 20 is provided with sealing-plug assembly 29 and lower contact circuit, and the lower contact 21 that public plug 28 is housed is connected with piston jacket 16 by screw thread.
Between described helmet 1 and top connection 5, lower contact 21 and thread protector 22, be threaded connection.
Described bearing assembly comprises thrust bearing 24, end ring (1) 25, ball bearing 26, end ring (2) 27.
The utility model rotating short-knot logging instrument is by being arranged on the rotating short-knot device between top connection and lower contact, solved and while rotating between logging instrument bunchiness instrument, discharged square, the object of protection instrument, lower instrument is transferred in bottom process, by the relative rotation between movable sealing pipe nipple and static seal pipe nipple, releasable cable passes to the torsion of downhole probe, bearing is installed and is guaranteed that the rotation of instrument internal is steady; The circuit of instrument top and bottom is realized connection by slip ring, and when rotation relatively occurs cable box instrument string, slip ring can guarantee and the stable connection of instrument in instrument rotation; Each connecting portion of instrument is established and is threaded, and good airproof performance is established helmet before top connection, establish thread protector after lower contact, and high temperature high voltage resistant and corrosion provide all privacy protections to instrument.
The utility model has been realized the function that discharges moment of torsion that instrument string produces while mutually rotating between adjacent apparatuses in instrument string, measure error and the instrument damage of effectively having avoided instrument to cause because of rotation, and the physical life of prolongation logger, improves the reliability of well logging.
Claims (3)
1. rotating short-knot logging instrument, it is characterized in that, comprise the helmet, top connection, upper oiling pipe nipple, slip ring overcoat, copper ring, piston jacket, lower contact and the thread protector that connect successively, threaded collar is contained in top connection outside and is threaded connection with helmet, mother socket is equipped with in top connection inside, mother socket and Compress Spring are enclosed within on spring base by volume skin pin and fix, and be positioned on the sealing cock body seat one of oiling pipe nipple sealing-plug assembly and top connection circuit are installed; Slip ring assembly is fixed in the slip ring overcoat of upper oiling pipe nipple end by slip ring shift fork, bearing assembly, movable sealing pipe nipple, copper ring, static seal pipe nipple and locking nut are also housed on central axis successively, static seal pipe nipple is connected with slip ring overcoat by screw thread, and movable sealing pipe nipple is connected with piston jacket by screw thread; Piston, balancing spring and sealing cock body seat two are housed on the axis of the piston in piston jacket, and sealing cock body seat two is provided with sealing-plug assembly and lower contact circuit, and the lower contact that public plug is housed is connected with piston jacket by screw thread.
2. rotating short-knot logging instrument according to claim 1, is characterized in that, between described helmet and top connection, lower contact and thread protector, is threaded connection.
3. rotating short-knot logging instrument according to claim 1, is characterized in that, described bearing assembly comprises thrust bearing, end ring (1), ball bearing, end ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420185366.6U CN203867547U (en) | 2014-04-16 | 2014-04-16 | Rotating short section logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420185366.6U CN203867547U (en) | 2014-04-16 | 2014-04-16 | Rotating short section logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867547U true CN203867547U (en) | 2014-10-08 |
Family
ID=51648517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420185366.6U Expired - Lifetime CN203867547U (en) | 2014-04-16 | 2014-04-16 | Rotating short section logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867547U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507879A (en) * | 2015-12-24 | 2016-04-20 | 武汉海王机电工程技术公司 | Rotary nipple with pressure balancing mechanism |
| CN108756866A (en) * | 2018-05-08 | 2018-11-06 | 中国石油集团渤海钻探工程有限公司 | A kind of protective device of underground resistivity female thread |
| CN110821422A (en) * | 2019-11-07 | 2020-02-21 | 连云港杰瑞自动化有限公司 | Single-joint flexible short joint |
| CN111577248A (en) * | 2020-04-27 | 2020-08-25 | 中国海洋石油集团有限公司 | Anti-rotation logging instrument |
-
2014
- 2014-04-16 CN CN201420185366.6U patent/CN203867547U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507879A (en) * | 2015-12-24 | 2016-04-20 | 武汉海王机电工程技术公司 | Rotary nipple with pressure balancing mechanism |
| CN108756866A (en) * | 2018-05-08 | 2018-11-06 | 中国石油集团渤海钻探工程有限公司 | A kind of protective device of underground resistivity female thread |
| CN110821422A (en) * | 2019-11-07 | 2020-02-21 | 连云港杰瑞自动化有限公司 | Single-joint flexible short joint |
| CN111577248A (en) * | 2020-04-27 | 2020-08-25 | 中国海洋石油集团有限公司 | Anti-rotation logging instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |