CN104265195A - Centralizing mechanism for large-discharge-capacity while drilling gyro system - Google Patents
Centralizing mechanism for large-discharge-capacity while drilling gyro system Download PDFInfo
- Publication number
- CN104265195A CN104265195A CN201410415107.2A CN201410415107A CN104265195A CN 104265195 A CN104265195 A CN 104265195A CN 201410415107 A CN201410415107 A CN 201410415107A CN 104265195 A CN104265195 A CN 104265195A
- Authority
- CN
- China
- Prior art keywords
- push rod
- ring
- semi
- termination
- pin
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title abstract description 6
- 239000003292 glue Substances 0.000 claims description 21
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 229910000906 Bronze Inorganic materials 0.000 claims description 4
- 239000010974 bronze Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005987 sulfurization reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000003129 oil well Substances 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 abstract 1
- 238000013016 damping Methods 0.000 description 9
- 239000000835 fiber Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1042—Elastomer protector or centering means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
- E21B47/017—Protecting measuring instruments
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The embodiment of the invention discloses a centralizing mechanism for a large-discharge-capacity while drilling gyro system, and relates to an oil well while drilling gyro technology capable of effectively improving the radial and longitudinal vibration reduction effect of the large-discharge-capacity while drilling gyro system. One half ring consisting of two grooves sheaths each of two ends of a jacking rod; an end step of the jacking rod goes deep into an adjacent end part and is tightly clamped with the adjacent end part through screw threads; gaskets used for installing an inner spring and an outer spring are arranged at the two ends of the jacking rod and next to the end parts of the half rings; the half rings are tightly pushed by the elasticity of the inner spring so that all components maintain a relatively fixed state; and the outer spring is directly exposed in slurry. The centralizing mechanism is mainly used for the large-discharge-capacity while drilling gyro system.
Description
Technical field
The present invention relates to oil well with brill gyroscope technology, particularly relate to a kind of for the righting mechanism of huge discharge with brill gyro system.
Background technology
Along with the growing tension of world petroleum resource, offshore oilfield cluster well development efficiency requires more and more higher, and in cluster well drilling well, the accurate measurement of well track more and more demonstrates its importance, and this just needs high-precision oil well with brill gyro system.Mainly adopt fibre optic gyroscope and accelerometer as inertial sensor with brill gyro system, fibre optic gyroscope and accelerometer are all than more sensitive precision components, underground work environment is very severe, work in drill collar with brill gyro system, the vibration resistance only improving fibre optic gyroscope and Jia Biao itself can not be satisfied the demand, righting mechanism is also needed to carry out radial direction and longitudinal damping to each component units in system, the glue wing of righting mechanism also plays the effect of centering to instrument, offshore field mud displacement is larger simultaneously, so be badly in need of a kind of for the righting mechanism of huge discharge with brill gyro system.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of for the righting mechanism of huge discharge with brill gyro system, effectively improves huge discharge with boring the radial direction of gyro system and longitudinal damping effect.
Concrete solution is as follows:
For huge discharge with the righting mechanism boring gyro system, comprising: cylindrical push rod (1), semi-ring clip (2), semi-ring (3), termination (4), pad (5), the glue wing (6), inner spring (7), sleeve (8), outer spring (9), four pin six holes ten core connector (10) and six pin four holes ten core connector (11) substantially;
Wherein, push rod (1) respectively has one section of groove near two ends place, and four pin six holes ten core connector (10) are fixed in a termination, six pin four holes ten core connector (11) are fixed in another termination, other parts are all inserted in the outside of push rod (1), distance push rod (1) is installed four end 3/5ths positions, pin six hole ten core connector (10) and is provided with the glue wing (6), the glue wing (6) is formed by cyaniding acrylonitrile-butadiene rubber and metal sulfuration, contact with drill collar internal diameter, outside diameter is
the glue wing (6) both sides are respectively equipped with a termination (4);
Push rod two ends groove respectively overlaps entirety semi-ring cylindrically (3), semi-ring (3) two sections of coaxial cylinders that are different by diameter, that be fixed together form, these two sections of coaxial cylinders are divided into two parts by along axle center, these two parts become as a whole by semi-ring clip (2) banding, and semi-ring (3) cylinder interior diameter is identical with push rod external diameter;
Semi-ring (3) small diameter cylinder is goed deep into its inside, adjacent termination (4) and is clamped by screw thread, and make semi-ring (3) relative fixing with push rod (1) holding position, termination (4) external diameter is
In four core connector (10) one end, pin six hole ten, the circular gasket (5) be enclosed within push rod (1) is provided with between termination (4) and the glue wing (6), sleeve (8) is installed between pad (5) and the glue wing (6), inner spring (7) and outer spring (9), inner spring (7) is arranged in sleeve (8), and be enclosed within push rod (1), outer spring (9) is enclosed within sleeve (8), the elastic force push-tight semi-ring of inner spring (7) makes all parts keep relatively fixing, sleeve (8) is the connector of interior outer spring, outer spring (9) is exposed in mud, adopt beryllium-bronze material.
The embodiment of the present invention provide for huge discharge with boring the righting mechanism of gyro system, the effect of linear through, centering and damping in downhole instrument, the effective top and the bottom connecting instrument.The glue wing is used for centering and damping, and termination is used for realizing mechanical connection, and push rod is used as line channel and mounted connector.Ten core connectors of anti-mis-insertion are equipped with at righting mechanism two ends respectively, facilitate execute-in-place.Simultaneously allly on righting mechanism all sealing device is housed with the through place of mud, prevents any adverse effect caused because mud enters.
Accompanying drawing explanation
Included accompanying drawing is used to provide the further understanding to the embodiment of the present invention, which constituting a part for manual, for illustrating embodiments of the invention, and coming together to explain principle of the present invention with text description.Apparently, the accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 for the embodiment of the present invention provide for huge discharge with boring the righting mechanism structural representation of gyro system;
Fig. 2 is the partial enlargement structural representation of interior outer spring and sleeve in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.In the following description, the nonrestrictive object for explanation, has set forth detail, to help to understand the present invention all sidedly.But, it will be apparent to those skilled in the art that and also can put into practice the present invention in other embodiment having departed from these details.
It should be noted that at this, in order to avoid the present invention fuzzy because of unnecessary details, illustrate only in the accompanying drawings with according to the closely-related device structure of the solution of the present invention and/or treatment step, and eliminate other details little with relation of the present invention.
The embodiment of the present invention provides a kind of for the righting mechanism of huge discharge with brill gyro system, as shown in Figure 1, comprising: cylindrical push rod (1), semi-ring clip (2), semi-ring (3), termination (4), pad (5), the glue wing (6), inner spring (7), sleeve (8), outer spring (9), four pin six holes ten core connector (10) and six pin four holes ten core connector (11) substantially;
Wherein, push rod (1) respectively has one section of groove near two ends place, and four pin six holes ten core connector (10) are fixed in a termination, six pin four holes ten core connector (11) are fixed in another termination, play and connect electric effect, push rod (1) is the center framework of whole centralizer, other parts are all inserted in the outside of push rod (1), distance push rod (1) is installed four end 3/5ths positions, pin six hole ten core connector (10) and is provided with the glue wing (6), the glue wing (6) is formed by cyaniding acrylonitrile-butadiene rubber and metal sulfuration, contact with drill collar internal diameter, play the effect to the righting of whole string instrument, play the effect of radial damping simultaneously.Outside diameter is
it is tubular that the glue wing (6) both sides are respectively equipped with an entirety, the threaded termination of excircle (4);
Push rod two ends groove respectively overlaps entirety semi-ring cylindrically (3), play the effect of fixing termination, semi-ring (3) two sections of coaxial cylinders that are different by diameter, that be fixed together form, and these two sections of coaxial cylinders are divided into two parts by along axle center, mainly convenient for assembly.These two parts become as a whole by semi-ring clip (2) banding, and semi-ring (3) cylinder interior diameter is identical with push rod external diameter;
Semi-ring (3) small diameter cylinder is goed deep into its inside, adjacent termination (4) and is clamped by screw thread, and make semi-ring (3) relative fixing with push rod (1) holding position, termination (4) external diameter is
In four core connector (10) one end, pin six hole ten, the circular gasket (5) be enclosed within push rod (1) is provided with between termination (4) and the glue wing (6), sleeve (8), inner spring (7) and outer spring (9) are installed between pad (5) and the glue wing (6), inner spring (7) is arranged in sleeve (8), and being enclosed within push rod (1), the elastic force push-tight semi-ring of inner spring (7) makes whole apparatus installation together.Play the effect of axial damping simultaneously.Outer spring (9) is enclosed within sleeve (8), the elastic force push-tight semi-ring of inner spring (7) makes all parts keep relatively fixing, sleeve (8) is the connector of interior outer spring, and outer spring (9) is exposed in mud, adopts beryllium-bronze material.Because the discharge capacity of mud is large, we use double-layer spring, and namely outer spring is directly exposed in mud, the beryllium-bronze material of employing, and abrasion resistance and elasticity are all good.Outer spring assists inner spring to play the effect of axial damping.
Further, at least two sealing rings are respectively equipped with outside the groove of push rod (1) two ends.
Further, termination (4) are at least provided with a sealing ring respectively.
The embodiment of the present invention provide for huge discharge with boring the righting mechanism of gyro system, the effect of linear through, centering and damping in downhole instrument, the effective top and the bottom connecting instrument.The glue wing is used for centering and damping, and termination is used for realizing mechanical connection, and core bar is used as line channel and mounted connector.Ten core connectors of anti-mis-insertion are equipped with at righting mechanism two ends respectively, facilitate execute-in-place.Simultaneously allly on righting mechanism all sealing device is housed with the through place of mud, prevents any adverse effect caused because mud enters.
As above the feature described for a kind of embodiment and/or illustrate can use in one or more other embodiment in same or similar mode, and/or combines with the feature in other embodiment or the feature substituted in other embodiment uses.
Should emphasize, term " comprises/comprises " existence referring to feature, one integral piece, step or assembly when using herein, but does not get rid of one or more further feature, one integral piece, step, assembly or its existence of combining or additional.
Many feature and advantage of these embodiments are clearly according to this detailed description, and therefore claims are intended to all these feature and advantage fallen in its true spirit and scope covering these embodiments.In addition, owing to those skilled in the art will find apparent that a lot of amendment and changing, therefore not embodiments of the invention to be limited to precision architecture that is illustrated and that describe and operation, but can contain and fall into all suitable modifications within the scope of it and equivalent.
The unspecified part of the present invention is known to the skilled person technology.
Claims (3)
1. one kind for huge discharge with boring the righting mechanism of gyro system, it is characterized in that, comprising: cylindrical push rod (1), semi-ring clip (2), semi-ring (3), termination (4), pad (5), the glue wing (6), inner spring (7), sleeve (8), outer spring (9), four pin six holes ten core connector (10) and six pin four holes ten core connector (11) substantially;
Wherein, push rod (1) respectively has one section of groove near two ends place, and four pin six holes ten core connector (10) are fixed in a termination, six pin four holes ten core connector (11) are fixed in another termination, other parts are all inserted in the outside of push rod (1), distance push rod (1) is installed four end 3/5ths positions, pin six hole ten core connector (10) and is provided with the glue wing (6), the glue wing (6) is formed by cyaniding acrylonitrile-butadiene rubber and metal sulfuration, contact with drill collar internal diameter, outside diameter is
the glue wing (6) both sides are respectively equipped with a termination (4);
Push rod two ends groove respectively overlaps entirety semi-ring cylindrically (3), semi-ring (3) two sections of coaxial cylinders that are different by diameter, that be fixed together form, these two sections of coaxial cylinders are divided into two parts by along axle center, these two parts become as a whole by semi-ring clip (2) banding, and semi-ring (3) cylinder interior diameter is identical with push rod external diameter;
Semi-ring (3) small diameter cylinder is goed deep into its inside, adjacent termination (4) and is clamped by screw thread, and make semi-ring (3) relative fixing with push rod (1) holding position, termination (4) external diameter is
In four core connector (10) one end, pin six hole ten, the circular gasket (5) be enclosed within push rod (1) is provided with between termination (4) and the glue wing (6), sleeve (8) is installed between pad (5) and the glue wing (6), inner spring (7) and outer spring (9), inner spring (7) is arranged in sleeve (8), and be enclosed within push rod (1), outer spring (9) is enclosed within sleeve (8), the elastic force push-tight semi-ring of inner spring (7) makes all parts keep relatively fixing, sleeve (8) is the connector of interior outer spring, outer spring (9) is exposed in mud, adopt beryllium-bronze material.
2. according to claim 1 for the righting mechanism of huge discharge with brill gyro system, it is characterized in that, outside the groove of push rod (1) two ends, be respectively equipped with at least two sealing rings.
3. according to claim 2 for the righting mechanism of huge discharge with brill gyro system, it is characterized in that, termination (4) are at least provided with a sealing ring respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415107.2A CN104265195B (en) | 2014-08-21 | 2014-08-21 | For huge discharge with the righting mechanism boring gyrosystem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415107.2A CN104265195B (en) | 2014-08-21 | 2014-08-21 | For huge discharge with the righting mechanism boring gyrosystem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104265195A true CN104265195A (en) | 2015-01-07 |
| CN104265195B CN104265195B (en) | 2016-06-15 |
Family
ID=52156755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410415107.2A Active CN104265195B (en) | 2014-08-21 | 2014-08-21 | For huge discharge with the righting mechanism boring gyrosystem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104265195B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667552A (en) * | 2018-12-29 | 2019-04-23 | 武汉固德超前高新科技研发有限公司 | A kind of Novel centralizer of borehole logging |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2534354Y (en) * | 2002-02-07 | 2003-02-05 | 中国石油天然气股份有限公司 | Eccentric wear prevention well mouth centralizer |
| CN2895704Y (en) * | 2006-04-06 | 2007-05-02 | 中国海洋石油总公司 | Opening-closing type shock-damping centralizer |
| CN201367902Y (en) * | 2009-01-15 | 2009-12-23 | 北京中盛正庆科技发展有限公司 | Centralizer of wireless MWD inclinometer |
| US20120324993A1 (en) * | 2008-07-04 | 2012-12-27 | Hiroshi Nakajima | Transducer Assembly For A Downhole Tools |
| CN203515311U (en) * | 2013-10-23 | 2014-04-02 | 盐城华亚石油机械制造有限公司 | Shock absorption and strike prevention screw drill |
-
2014
- 2014-08-21 CN CN201410415107.2A patent/CN104265195B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2534354Y (en) * | 2002-02-07 | 2003-02-05 | 中国石油天然气股份有限公司 | Eccentric wear prevention well mouth centralizer |
| CN2895704Y (en) * | 2006-04-06 | 2007-05-02 | 中国海洋石油总公司 | Opening-closing type shock-damping centralizer |
| US20120324993A1 (en) * | 2008-07-04 | 2012-12-27 | Hiroshi Nakajima | Transducer Assembly For A Downhole Tools |
| CN201367902Y (en) * | 2009-01-15 | 2009-12-23 | 北京中盛正庆科技发展有限公司 | Centralizer of wireless MWD inclinometer |
| CN203515311U (en) * | 2013-10-23 | 2014-04-02 | 盐城华亚石油机械制造有限公司 | Shock absorption and strike prevention screw drill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667552A (en) * | 2018-12-29 | 2019-04-23 | 武汉固德超前高新科技研发有限公司 | A kind of Novel centralizer of borehole logging |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104265195B (en) | 2016-06-15 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231215 Address after: No. 1209-9, 12th Floor, Building 5, No. 46 Shuxi Road, Jinniu High tech Industrial Park, Chengdu, Sichuan Province, 610000 Patentee after: Sichuan Tianshi Hechuang Technology Co.,Ltd. Address before: 100070, 3rd Floor, Building 2, Yard 1, Haiying Road, Fengtai District, Beijing Patentee before: AEROSPACE SCIENCE AND INDUSTRY INERTIAL TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240826 Address after: 100000 floor 3, building 2, yard 1, Haiying Road, Fengtai District, Beijing Patentee after: AEROSPACE SCIENCE AND INDUSTRY INERTIAL TECHNOLOGY Co.,Ltd. Country or region after: China Address before: No. 1209-9, 12th Floor, Building 5, No. 46 Shuxi Road, Jinniu High tech Industrial Park, Chengdu, Sichuan Province, 610000 Patentee before: Sichuan Tianshi Hechuang Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |