CN105672985A - Insulated flexible connector of underground load bearing instrument - Google Patents
Insulated flexible connector of underground load bearing instrument Download PDFInfo
- Publication number
- CN105672985A CN105672985A CN201610157449.8A CN201610157449A CN105672985A CN 105672985 A CN105672985 A CN 105672985A CN 201610157449 A CN201610157449 A CN 201610157449A CN 105672985 A CN105672985 A CN 105672985A
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- CN
- China
- Prior art keywords
- bearing
- load
- sleeve
- load bearing
- tapered sleeve
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Abstract
The invention discloses an insulated flexible connector of an underground load bearing instrument. The insulated flexible connector comprises a load bearing male connector and a load bearing female connector, wherein an electrode cable is connected between the load bearing male connector and the load bearing female connector; the load bearing male connector is provided with a load bearing male connecting ring; a groove is formed in the periphery of the load bearing male connecting ring; an insulating sleeve is arranged in the load bearing male connector; the insulating sleeve is internally provided with a big taper sleeve; a middle taper sleeve is arranged in the big taper sleeve; a small taper sleeve is arranged in the middle taper sleeve; the load bearing male connector is internally provided with an insulating pad which is arranged above the insulating sleeve; the insulating pad is provided with an insulating pad pressing cap; the insulating pad pressing cap is in threaded connection with the load bearing male connector and is used for tightly pressing the insulating pad. By using a flexible connecting instrument, the situation that an instrument falls down to a shaft bottom as a pull force in a connecting position is not enough cannot be caused, the downhole testing and salving times of the instrument are reduced, the well logging cost is reduced, the working efficiency is increased, the insulation effect is enhanced, well logging data are more accurate, and a good foundation is laid for follow-up work.
Description
Technical field
The present invention relates to a kind of oil instrument connected mode, be specifically related to a kind of down-hole load-bearing instrument insulation and be flexible coupling device.
Background technology
Oil reservoir logging instrument is when well logging, instrument needs the stratum of several kms to down-hole to log well, it is linked together test of going into the well by multiple instrument when well logging, it it is screw thread Hard link between some instruments, it is connected very firm between this sampling instrument with instrument, do not have the situation that bonding strength is not enough, but some instruments are special due to function and structure, so screw thread and the mode threadeded can not be used, such as oil field is crossed sleeve pipe mud resistivity instrument and is flexible coupling, cross sleeve pipe mud resistivity instrument to be made up of several joints, insulation values was needed to be infinitely great with ohmmeter detection before going into the well between each joint, cross sleeve pipe mud resistivity instrument at present to be connected by high strength fibre rope screw thread compression mode, the pulling force that this connection can bear is only small, meet card to be easy to disengage in down-hole, then it is accomplished by wrecking crew to salvage, salvage cost very big, not only have impact on work efficiency but also waste manpower, material resources and financial resources, now it is badly in need of wanting the load-bearing insulation of a kind of high intensity to be flexible coupling mode.
Summary of the invention
The technical problem to be solved in the present invention is the defect overcoming prior art, the insulation of a kind of down-hole load-bearing instrument is provided to be flexible coupling device, have employed new frame mode, employ tapered sleeve riveted joint, head-rope is become the electrode cable having armouring wire crust can insulate again by high strength fibre, and such connection can be insulated and can bear the pulling force needed in scope.
In order to solve above-mentioned technical problem, the invention provides following technical scheme: a kind of down-hole load-bearing instrument insulation is flexible coupling device, including load-bearing male joint, load-bearing female joint, has electrode cable to connect in the middle of described load-bearing male joint and load-bearing female joint, described load-bearing male joint is provided with load-bearing public affairs and connects ring, described load-bearing public affairs connect ring and are provided around groove, it is provided with insulation sleeve in described load-bearing male joint, big tapered sleeve it is provided with in described insulation sleeve, it is provided with middle tapered sleeve in described big tapered sleeve, it is provided with little tapered sleeve in described middle tapered sleeve, it is provided with felt pad in described load-bearing male joint and is placed on above insulation sleeve, described felt pad is provided with felt pad pressure cap, described felt pad pressure cap is connected with load-bearing male joint screw thread and compresses felt pad, described load-bearing female joint is externally provided with load-bearing mother and connects ring, described load-bearing mother connects ring and is provided with arc groove, it is provided with insulation sleeve in described load-bearing female joint, big tapered sleeve it is provided with in described insulation sleeve, it is provided with middle tapered sleeve in described big tapered sleeve, it is provided with little tapered sleeve in described middle tapered sleeve, it is provided with felt pad in described load-bearing female joint and is placed on above insulation sleeve, described felt pad is provided with felt pad pressure cap, described felt pad pressure cap is connected with load-bearing female joint screw thread and compresses felt pad.
Further, described load-bearing public affairs connect ring to be provided with 4 grooves uniform.
Further, described load-bearing mother connects that to be equipped with 4 arc grooves uniform.
Further, described insulation sleeve, big tapered sleeve, the little tapered sleeve endoporus of middle tapered sleeve sum and cylindrical are all with tapered.
The present invention reaches to provide the benefit that: a kind of down-hole load-bearing instrument insulation is flexible coupling device, pulling force will not be born because of junction when using it to connect instrument to downhole testing and cause that instrument is shed to shaft bottom not, decrease instrument underground fishing number of times, greatly save logging cost, improve well logging efficiency, and insulation effect is also greatly enhanced, makes instrument log data more accurate, launch to lay a good foundation for follow-up work.
Accompanying drawing explanation
Fig. 1 is that the insulation of the present invention a kind of down-hole load-bearing instrument is flexible coupling the structural representation of device;
Fig. 2 is that load-bearing instrument in one down-hole of the present invention insulation is flexible coupling device male joint place close-up schematic view;
Fig. 3 is that load-bearing instrument in one down-hole of the present invention insulation is flexible coupling device load-bearing female joint A-A generalized section;
Fig. 4 is that load-bearing instrument in one down-hole of the present invention insulation is flexible coupling device load-bearing male joint B-B generalized section
In figure: in 1-load-bearing male joint, 2-load-bearing female joint, 3-load-bearing male connection ring, 4-insulation sleeve, the big tapered sleeve of 5-, 6-, tapered sleeve, the little tapered sleeve of 7-, 8-felt pad, 9-felt pad pressure cap, 10-load-bearing mother connect ring, 11-electrode cable, 12-groove, 13-arc groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains the present invention, is not intended to limit the present invention.
As shown in Figures 1 to 4: a kind of down-hole load-bearing instrument insulation is flexible coupling device, has electrode cable 11 to connect including in the middle of load-bearing male joint 1, load-bearing female joint 2, described load-bearing male joint 1 and load-bearing female joint 2, described load-bearing male joint 1 is provided with load-bearing public affairs and connects ring 3, described load-bearing public affairs connect ring 3 and are provided around groove 12, it is provided with insulation sleeve 4 in described load-bearing male joint 1, big tapered sleeve 5 it is provided with in described insulation sleeve 4, middle tapered sleeve 6 it is provided with in described big tapered sleeve 5, little tapered sleeve 7 it is provided with in described middle tapered sleeve 6, it is provided with felt pad 8 in described load-bearing male joint 1 and is placed on above insulation sleeve 4, described felt pad 8 is provided with felt pad pressure cap 9, described felt pad pressure cap 9 is connected with load-bearing male joint 1 screw thread and compresses felt pad 8, described load-bearing female joint 2 is externally provided with load-bearing mother and connects ring 10, described load-bearing mother connects ring 10 and is provided with arc groove 13, it is provided with insulation sleeve 4 in described load-bearing female joint 2, big tapered sleeve 5 it is provided with in described insulation sleeve 4, middle tapered sleeve 6 it is provided with in described big tapered sleeve 5, little tapered sleeve 7 it is provided with in described middle tapered sleeve 6, it is provided with felt pad 8 in described load-bearing female joint 2 and is placed on above insulation sleeve 4, described felt pad 8 is provided with felt pad pressure cap 9, described felt pad pressure cap 9 is connected with load-bearing female joint 2 screw thread and compresses felt pad 8.
It is uniform that described load-bearing public affairs connection ring 3 is provided with 4 grooves 12, groove 12 can use specific purpose tool quickly to rotate, it is connected with instrument very easily, described load-bearing mother connects ring 10, and to be provided with 4 arc grooves 13 uniform, it can facilitate specific purpose tool to rotate, and is quickly connected with instrument joint, and endoporus and the cylindrical of described insulation sleeve 4, big tapered sleeve 5, middle tapered sleeve 6 and little tapered sleeve 7 are all with tapered, tapering can allow the armouring wire of tapered sleeve and electrode cable 11 be riveted together, and can bear the pulling force in claimed range.
Principles of the invention and advantage: be different from former instrument and be flexible coupling, the mode compressed with high strength fibre rope screw thread, load-bearing instrument in one down-hole of the present invention insulation is flexible coupling, adopt new design concept, the mode of electrode cable is riveted with tapered sleeve, there are 4 kinds of tapered sleeves, by the riveting technology personnel of specialty riveted joint, described insulation tapered sleeve is used for ensureing insulation, instrument can be made in the accurate data of underground logging, smoothly complete for follow-up work and lay a solid foundation, other tapered sleeve is used for riveting the armouring wire of described electrode cable, ensure that the tensile strength of union joint, will not because of the pulling force well that falls not in the weight range required when making instrument log well, described load-bearing male connection ring and described load-bearing mother connect ring and can quickly connect with other instruments, save the instrument set-up time, the present invention is that well logging is made that huge contribution, instrument can be made to provide precision data, reduce the unnecessary well accident that falls occurred because of the pulling force deficiency that is flexible coupling, it is greatly improved logging efficiency, reduce logging cost.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature carries out equivalent replacement. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (4)
1. down-hole load-bearing instrument insulation is flexible coupling device, electrode cable (11) is had to connect including in the middle of load-bearing male joint (1), load-bearing female joint (2), described load-bearing male joint (1) and load-bearing female joint (1), it is characterized in that: described load-bearing male joint (1) is provided with load-bearing public affairs and connects ring (3), described load-bearing public affairs connect ring (3) and are provided around groove (12), it is provided with insulation sleeve (4) in described load-bearing male joint (1), big tapered sleeve (5) it is provided with in described insulation sleeve (4), it is provided with middle tapered sleeve (6) in described big tapered sleeve (5), it is provided with little tapered sleeve (7) in described middle tapered sleeve (6), it is provided with felt pad (8) in described load-bearing male joint (1) and is placed on insulation sleeve (4) top, described felt pad (8) is provided with felt pad pressure cap (9), described felt pad pressure cap (9) is connected with load-bearing male joint (1) screw thread and compresses felt pad (8), described load-bearing female joint (2) is externally provided with load-bearing mother and connects ring (10), described load-bearing mother connects ring (10) and is provided with arc groove (13), it is provided with insulation sleeve (4) in described load-bearing female joint (2), big tapered sleeve (5) it is provided with in described insulation sleeve (4), it is provided with middle tapered sleeve (6) in described big tapered sleeve (5), it is provided with little tapered sleeve (7) in described middle tapered sleeve (6), it is provided with felt pad (8) in described load-bearing female joint (2) and is placed on insulation sleeve (4) top, described felt pad (8) is provided with felt pad pressure cap (9), described felt pad pressure cap (9) is connected with load-bearing female joint (2) screw thread and compresses felt pad (8).
2. a kind of down-hole load-bearing instrument insulation according to claim 1 is flexible coupling device, it is characterised in that: described load-bearing public affairs connect ring (3), and to be provided with 4 grooves (12) uniform.
3. a kind of down-hole load-bearing instrument insulation according to claim 1 is flexible coupling device, it is characterised in that: described load-bearing mother connects ring (10), and to be provided with 4 arc grooves (13) uniform.
4. a kind of down-hole load-bearing instrument insulation according to claim 1 is flexible coupling device, it is characterised in that: endoporus and the cylindrical of described insulation sleeve (4), big tapered sleeve (5), middle tapered sleeve (6) and little tapered sleeve (7) are all with tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157449.8A CN105672985A (en) | 2016-03-18 | 2016-03-18 | Insulated flexible connector of underground load bearing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157449.8A CN105672985A (en) | 2016-03-18 | 2016-03-18 | Insulated flexible connector of underground load bearing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105672985A true CN105672985A (en) | 2016-06-15 |
Family
ID=56310960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610157449.8A Pending CN105672985A (en) | 2016-03-18 | 2016-03-18 | Insulated flexible connector of underground load bearing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105672985A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112849374A (en) * | 2020-12-25 | 2021-05-28 | 中天海洋系统有限公司 | Load bearing device for non-metal armored umbilical cable and ROV system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA840671A (en) * | 1970-05-05 | Amp Incorporated | Assembly of wedge-type cable connector | |
| CN201193750Y (en) * | 2008-04-29 | 2009-02-11 | 大庆油田有限责任公司 | Rubber flexible joint short node special for petroleum well logging instrument |
| CN201679495U (en) * | 2010-05-04 | 2010-12-22 | 克拉玛依新科澳化工有限公司 | Universal joint type connector of downhole tester for oil field |
| KR20110074084A (en) * | 2009-12-24 | 2011-06-30 | 대림산업 주식회사 | Cable bolt structure and construction method using cable bolt |
| CN202004384U (en) * | 2010-12-29 | 2011-10-05 | 重庆地质仪器厂 | Locking mechanism of an armored cable |
| CN202308943U (en) * | 2011-10-27 | 2012-07-04 | 中国电子科技集团公司第四十八研究所 | Cable fixing device |
| CN203645287U (en) * | 2013-11-12 | 2014-06-11 | 中船重工（昆明）灵湖科技发展有限公司 | Mechanical locking joint of armored cable |
| CN205089233U (en) * | 2015-10-30 | 2016-03-16 | 王常奎 | A flexible coupling nipple joint for oil well logging instrument |
| CN205422683U (en) * | 2016-03-18 | 2016-08-03 | 张健 | Flexible coupling of bearing instrument insulation in pit ware |
-
2016
- 2016-03-18 CN CN201610157449.8A patent/CN105672985A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA840671A (en) * | 1970-05-05 | Amp Incorporated | Assembly of wedge-type cable connector | |
| CN201193750Y (en) * | 2008-04-29 | 2009-02-11 | 大庆油田有限责任公司 | Rubber flexible joint short node special for petroleum well logging instrument |
| KR20110074084A (en) * | 2009-12-24 | 2011-06-30 | 대림산업 주식회사 | Cable bolt structure and construction method using cable bolt |
| CN201679495U (en) * | 2010-05-04 | 2010-12-22 | 克拉玛依新科澳化工有限公司 | Universal joint type connector of downhole tester for oil field |
| CN202004384U (en) * | 2010-12-29 | 2011-10-05 | 重庆地质仪器厂 | Locking mechanism of an armored cable |
| CN202308943U (en) * | 2011-10-27 | 2012-07-04 | 中国电子科技集团公司第四十八研究所 | Cable fixing device |
| CN203645287U (en) * | 2013-11-12 | 2014-06-11 | 中船重工（昆明）灵湖科技发展有限公司 | Mechanical locking joint of armored cable |
| CN205089233U (en) * | 2015-10-30 | 2016-03-16 | 王常奎 | A flexible coupling nipple joint for oil well logging instrument |
| CN205422683U (en) * | 2016-03-18 | 2016-08-03 | 张健 | Flexible coupling of bearing instrument insulation in pit ware |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112849374A (en) * | 2020-12-25 | 2021-05-28 | 中天海洋系统有限公司 | Load bearing device for non-metal armored umbilical cable and ROV system |
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| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160615 |
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| WD01 | Invention patent application deemed withdrawn after publication |