CN102094620B - Multi-angle eccentric mechanism for petroleum logging - Google Patents
Multi-angle eccentric mechanism for petroleum logging Download PDFInfo
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- CN102094620B CN102094620B CN 200910246998 CN200910246998A CN102094620B CN 102094620 B CN102094620 B CN 102094620B CN 200910246998 CN200910246998 CN 200910246998 CN 200910246998 A CN200910246998 A CN 200910246998A CN 102094620 B CN102094620 B CN 102094620B
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Abstract
The invention relates to a mechanism capable of improving the accuracy of logging data, in particular to a multi-angle eccentric mechanism. At present, domestic and overseas eccentric mechanisms realize deflection only by using mono-ball flexible heads on the upper side and the lower side, cannot realize multi-angle deflection, and are required to be filled with silicone grease or silicone oil internally to ensure the sealability and the pressure resistance; and insulation grease is required to be checked and supplemented after operation is finished each time, so that the production cost and the workload are extremely high. The multi-angle eccentric mechanism for petroleum logging provided by the invention comprises an upper short section assembly, an upper positioning short connector, a middle joint and a lower positioning short connector and is characterized in that: an upper eccentric mechanism is connected between the upper short section assembly and the upper positioning short connector; and a lower eccentric mechanism is connected between the middle joint and the lower positioning short connector. In the mechanism, the eccentric angle in X-Y directions of a meter is realized by using x-y positioning keys and positioning slots on the upper eccentric mechanism and the lower eccentric mechanism; and the multi-angle eccentric mechanism is suitable for logging operations of vertical wells, directional wells, horizontal wells and the like and is particularly suitable to be used in wild fields.
Description
Technical field:
The invention belongs to the petroleum well logging technology field, relate to a kind of mechanism of improving the well-log information accuracy, specifically refer to a kind of multi-angle eccentric mechanism.
Background technology:
The oil well logging data, for oil field prospecting, reserves calculating, production capacity design decisive role is arranged, how to improve the well-log information accuracy is the target that the oil well logging industry is pursued always, in for the situation that improves the well logging timeliness, obtain again simultaneously accurately well-log information, present logger mostly adopts the multiple instruments combined type to log well, and disposablely obtains required every data.But because the middle position of need in well that logger has when work, and the need that have are close to the borehole wall.Eccentric stiffener provides different loggers to have for the borehole wall under the condition of different contact requirements when well logging, for the accuracy that improves well-log information significant effect is arranged.Present eccentric stiffener both domestic and external is just realized deflection by up and down single ball flexible head, a deflection angle is arranged, has unicity, can not realize multi-angle deflection, and inner filling silicone grease or the silicone oil of needing is to guarantee sealing and crushing resistance, behind each end-of-job, all need insulation fat is checked, and replenish according to the inspection situation, so that cost of production and workload are too high.
Summary of the invention:
The technical problem to be solved in the present invention provides a kind of multi-angle eccentric mechanism for petroleum logging, by the deflection on the both direction of two deflection mechanisms realization loggers, and its inside need not filler, effectively solves traditional eccentric stiffener and can only realize an angular deflection and the high problem of working service cost.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of multi-angle eccentric mechanism for petroleum logging, comprise pipe nipple assembly, upper location short circuit and center tap and lower location short circuit, it is characterized in that: between upper pipe nipple assembly and location short circuit, be connected with the upper eccentric stiffener that is consisted of by upwards-raised connector and upper femal type connector, between center tap and lower location short circuit, be connected with the lower eccentric stiffener that is consisted of by up concave type connector and lower convex type connector.
Above-mentioned upwards-raised connector is mutually nested together with upper femal type connector.
Above-mentioned lower convex type connector is mutually nested together with the up concave type connector.
Above-mentioned upwards-raised connector, upper femal type connector, up concave type connector and lower convex type connector are sealed connector.
The upper end of above-mentioned center tap is respectively arranged with locating slot;
Short circuit lower end, above-mentioned upper location is provided with positioning key, when the x that arranges respectively when the positioning key on the short circuit of upper location and the upper end of center tap or y direction locating slot are connected, has then determined the eccentric direction of instrument.
The present invention has the following advantages and effect with respect to prior art:
1, the eccentric angle of realizing instrument x-y direction by the x-y positioning key on two eccentric stiffeners up and down and locating slot, applicable to logging operations such as straight well, directional well, horizontal wells, especially field condition uses.
2, adopt hermetically sealed connector to carry out the connection of mechanism under the mountain, inside does not need charges, and cost of production and workload reduce.
Description of drawings:
Fig. 1 is x-x direction deflection angle structural representation of the present invention;
Fig. 2 is x-y direction deflection angle structural representation of the present invention.
Among the figure, the upper pipe nipple assembly of 1-, 2-upwards-raised connector, the upper femal type connector of 3-, the upper location of 4-short circuit, the 5-center tap, 6-up concave type connector, 7-lower convex type connector is located short circuit under the 8-, pipe nipple assembly under the 9-.
The specific embodiment:
Referring to Fig. 1, Fig. 2, a kind of multi-angle eccentric mechanism for petroleum logging, by upper pipe nipple assembly 1, upper location short circuit 4, upper eccentric stiffener, center tap 5, lower eccentric structure and the lower location short circuit 8 and the lower pipe nipple assembly 9 that connect successively up and down.Upper eccentric stiffener is made of upwards-raised connector 2 and upper femal type connector 3, and upwards-raised connector 2 is mutually nested about in the of 3 with upper femal type connector, is installed in pipe nipple assembly 1 and the upper location short circuit 4, and upper pipe nipple assembly 1 is connected by two pins with upper location short circuit 4; Same lower eccentric stiffener is comprised of center tap 5, lower convex type connector 7, up concave type connector 6 and lower location short circuit 8, lower convex type connector 7 is mutually nested about in the of 6 with the up concave type connector, be installed in respectively in center tap 5 and the lower location short circuit 8, center tap 5 is connected by two pins with lower location short circuit 8; Lower location short circuit 8 is connected with lower pipe nipple assembly 9.The bottom joint of lower pipe nipple assembly 9 can be connected with the bottom instrument, and the upper end of lower location short circuit 8 is connected with the lower end of center tap 5, the upper end of center tap 5 is respectively arranged with x-y direction locating slot, between the upper end of center tap 5 and short circuit 4 lower ends, location, also be provided with positioning key, in the eccentric structure position fixing process, positioning key cooperates with x-y direction locating slot realizes the location up and down; Upwards-raised connector 2, upper femal type connector 3, up concave type connector 6 and lower convex type connector 7 are sealed connector.
When the present invention logs well up and down two eccentric stiffeners be connected with up and down two ends with the telescoping ram instrument respectively.When the telescoping ram with the backup instrument that connects in the middle of two eccentric stiffeners is opened, eccentric stiffener is by choosing angular deflection (as: X-X or X-Y), and the instrument that does not have backup that the other two ends of eccentric stiffener link to each other remains on the middle position, thereby satisfied the desired duty of logger, guaranteed the well-log information accuracy.Particularly the multi-angle of this structure can better meet different logger requirements.This structure also has non-maintaining property, need to be in instrument filling goods and materials (as: silicone grease, silicone oil) then reduced greatly the instrument use cost and maintenance load, prolonged instrument application life, this is that other does not have with quasi-instrument.
In for the situation that improves the well logging timeliness, obtain again accurately well-log information simultaneously.Present logger mostly adopts the multiple instruments combined type to log well, and once obtains required every data.But because the middle position of need in well that logger has when work, and the need that have are close to the borehole wall.This mechanism has then satisfied this requirement.
Claims (5)
1. multi-angle eccentric mechanism for petroleum logging, comprise pipe nipple assembly (1), upper location short circuit (4) and center tap (5) and lower location short circuit (8), it is characterized in that: between upper pipe nipple assembly (1) and upper location short circuit (4), be connected with the upper eccentric stiffener that is consisted of by upwards-raised connector (2) and upper femal type connector (3), between center tap (5) and lower location short circuit (8), be connected with the lower eccentric stiffener that is consisted of by up concave type connector (6) and lower convex type connector (7).
2. a kind of multi-angle eccentric mechanism for petroleum logging according to claim 1, it is characterized in that: described upwards-raised connector is mutually nested with upper femal type connector; The lower convex type connector is mutually nested with the up concave type connector.
3. a kind of multi-angle eccentric mechanism for petroleum logging according to claim 1 and 2, it is characterized in that: described upwards-raised connector (2), upper femal type connector (3), up concave type connector (6) and lower convex type connector (7) are sealed connector.
4. a kind of multi-angle eccentric mechanism for petroleum logging according to claim 1, it is characterized in that: the upper end of described center tap (5) is respectively arranged with locating slot.
5. a kind of multi-angle eccentric mechanism for petroleum logging according to claim 4, it is characterized in that: described upper location short circuit (4) lower end is provided with positioning key, and positioning key and locating slot cooperatively interact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910246998 CN102094620B (en) | 2009-12-14 | 2009-12-14 | Multi-angle eccentric mechanism for petroleum logging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910246998 CN102094620B (en) | 2009-12-14 | 2009-12-14 | Multi-angle eccentric mechanism for petroleum logging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102094620A CN102094620A (en) | 2011-06-15 |
| CN102094620B true CN102094620B (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910246998 Expired - Fee Related CN102094620B (en) | 2009-12-14 | 2009-12-14 | Multi-angle eccentric mechanism for petroleum logging |
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| CN (1) | CN102094620B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1180492A1 (en) * | 1984-04-10 | 1985-09-23 | Всесоюзный научно-исследовательский институт нефтепромысловой геофизики | Down-hole geophysical instrument |
| RU2244118C1 (en) * | 2003-05-16 | 2005-01-10 | Закрытое акционерное общество завод "Измерон" | Functional insert for well stream plant |
| CN1657744A (en) * | 2003-11-24 | 2005-08-24 | 施卢默格海外有限公司 | Apparatus and method for acquiring information while drilling |
| CN101027457A (en) * | 2003-01-30 | 2007-08-29 | 普拉德研究及发展公司 | Permanently eccentered formation tester |
| CN201045295Y (en) * | 2007-06-07 | 2008-04-09 | 山东胜利伟业石油工程技术服务有限公司 | High-temperature densilog instrument |
| CN201144694Y (en) * | 2008-01-09 | 2008-11-05 | 中国石化股份胜利油田分公司孤东采油厂 | Bridge type eccentric bidirectional airproof test device |
| CN201236701Y (en) * | 2008-07-30 | 2009-05-13 | 北京环鼎科技有限责任公司 | Multifunctional combined logging instrument for petroleum exploration |
| CN201705324U (en) * | 2009-12-14 | 2011-01-12 | 西安威尔罗根能源科技有限公司 | Multi-angle eccentric mechanism for petroleum logging |
-
2009
- 2009-12-14 CN CN 200910246998 patent/CN102094620B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1180492A1 (en) * | 1984-04-10 | 1985-09-23 | Всесоюзный научно-исследовательский институт нефтепромысловой геофизики | Down-hole geophysical instrument |
| CN101027457A (en) * | 2003-01-30 | 2007-08-29 | 普拉德研究及发展公司 | Permanently eccentered formation tester |
| RU2244118C1 (en) * | 2003-05-16 | 2005-01-10 | Закрытое акционерное общество завод "Измерон" | Functional insert for well stream plant |
| CN1657744A (en) * | 2003-11-24 | 2005-08-24 | 施卢默格海外有限公司 | Apparatus and method for acquiring information while drilling |
| CN201045295Y (en) * | 2007-06-07 | 2008-04-09 | 山东胜利伟业石油工程技术服务有限公司 | High-temperature densilog instrument |
| CN201144694Y (en) * | 2008-01-09 | 2008-11-05 | 中国石化股份胜利油田分公司孤东采油厂 | Bridge type eccentric bidirectional airproof test device |
| CN201236701Y (en) * | 2008-07-30 | 2009-05-13 | 北京环鼎科技有限责任公司 | Multifunctional combined logging instrument for petroleum exploration |
| CN201705324U (en) * | 2009-12-14 | 2011-01-12 | 西安威尔罗根能源科技有限公司 | Multi-angle eccentric mechanism for petroleum logging |
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| CN102094620A (en) | 2011-06-15 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20131030 Termination date: 20181214 |