CN204082122U - The snakelike compliant mechanism of a kind of novel logging instrument - Google Patents
The snakelike compliant mechanism of a kind of novel logging instrument Download PDFInfo
- Publication number
- CN204082122U CN204082122U CN201420253300.6U CN201420253300U CN204082122U CN 204082122 U CN204082122 U CN 204082122U CN 201420253300 U CN201420253300 U CN 201420253300U CN 204082122 U CN204082122 U CN 204082122U
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- China
- Prior art keywords
- compliant mechanism
- contiguous block
- connector
- instrument
- snakelike
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- Expired - Lifetime
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- 239000000203 mixture Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 239000003129 oil well Substances 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Abstract
The snakelike compliant mechanism of a kind of novel logging instrument, mainly comprise connection body, contiguous block, flexibility crosses core assembly, connecting pin and connector, connecting body itself is a criss-cross connector, cross axle connection structure is connected to form with connecting pin between it and contiguous block, one joint of composition compliant mechanism, connect between body and contiguous block and there is gap, make can rotate 1 ° ~ 2 ° between every two joints, more piece can become S type structure or O type structure after connecting, a rigid mechanism can be transformed into a compliant mechanism, at some seriously corrodeds or bending larger oil well, very important effect is all played especially in horizontal wellbore logging process.
Description
Technical field
The utility model belongs to petroleum well logging technology field, is specifically related to a kind of compliant mechanism for shortening downhole petroleum logger single-unit dimensions length.
Background technology
Need to measure a lot of parameter to analyze the production fluid situation of oil well in the detection of dynamic process of oilfield; after these loggers dock mutually; the length of whole string instrument is very long; and oil well has bending and along with the increase in oil well production time in well-digging process; oil well can be corroded aging; instrument often can be met with obstruction in the process of going into the well, cause instrument to transfer to shaft bottom, thus cause and log well unsuccessfully.Therefore, be necessary the single-unit contraction in length of instrument, to ensure the success rate of going into the well of instrument.In addition, along with the development of drilling technology, horizontal well gets more and more, and in horizontal wellbore logging process, instrument placed in the middle be used to log well, but under the Action of Gravity Field of weighted lever and instrument self, instrument be made to have very large difficulty between two parties.In order to lay down the weight be pressed on instrument, design a kind of compliant mechanism necessary.
Summary of the invention
The purpose of this utility model mainly in order to solve the problem that above-mentioned whole string instrument is oversize and horizontal wellbore logging is difficult, provides a kind of snakelike compliant mechanism of logging instrument, can ensure the success rate of going into the well ensureing instrument while instrument is gone into the well.
The technical solution adopted in the utility model is: compliant mechanism mainly comprises connection body, contiguous block, flexibility crosses core assembly, connecting pin and connector, connecting body itself is a criss-cross connector, cross axle connection structure is connected to form with connecting pin between it and contiguous block, one joint of composition compliant mechanism, connect between body and contiguous block and there is gap, make can rotate 1 ° ~ 2 ° between every two joints, then one save and couple together, along with the increase of joint number, the rotational angle of compliant mechanism also increases thereupon, forming one can the compliant mechanism of serpentine bend.
Adopt flexible core assembly of crossing to transmit the signal of telecommunication in the middle of instrument, adopt a diameter and flexible all suitable stainless steel tube, single core or multicore can be crossed in centre, can ensure the realization of instrument flexibility, also can ensure the realization of multi-channel electric signal propagation function.
The effect that the utility model is useful is:
1, compliant mechanism can reduce the chance of instrument in seriously corroded and the larger well of angle of turning round and blocks up problem, thus shortens the single-unit length of instrument, can solve horizontal wellbore logging process Instrumental by weighted lever push down can not be placed in the middle problem.
2, compliant mechanism can regulate maximum angle of bend problem according to the requirement increase of user or minimizing joint number.
Accompanying drawing illustrates:
Fig. 1 the utility model structural representation;
Description of reference numerals: connection body 1, contiguous block 2, flexibility cross core assembly 3, connecting pin 4, connector I 5, connector II 6.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further:
Connect the connector that body 1 itself is a cross structure, connected together by connecting pin 4 with contiguous block 2, one joint of composition compliant mechanism, 1 ° ~ 2 ° can be rotated between every two joints, increase a few joint just can obtain a larger rotational angle by like this, even can become S type structure or O type structure.Connector I 5, connector II 6 dock with logger, are then passed to by the signal of needs on the another instrument connected with it.Flexible core assembly 3 is excessively one to be had flexibility and has the steel pipe of sufficient intensity, main plaing a part protects middle cable, protection cable is HTHP (175 °, can not distortion or short circuit 100MPa), flexible core assembly 3 of crossing not only can protect center cable, and can do certain angle swing in 360 °; After the signal of instrument taps into by connector; under flexibility crosses core assembly 3 protection; just the instrument string of a rigidity can be transformed into an instrument string structure with flexibility; the single-unit length of instrument can be shortened greatly; for instrument at some seriously corrodeds or bending larger oil well, in horizontal wellbore logging process, all play very important effect especially.
Do not have restricted to description of the present utility model above; if those of ordinary skill in the art enlightens by it; not departing from the situation of protection of the utility model claim, making other malformation of the present utility model and embodiment, all belonging to protection domain of the present utility model.
Claims (2)
1. the snakelike compliant mechanism of novel logging instrument, it is characterized in that: mainly comprise and connect body (1), contiguous block (2), flexibility crosses core assembly (3), connecting pin (4), connector I (5), connector II (6), connecting body itself is a criss-cross connector, cross axle connection structure is connected to form with connecting pin between it and contiguous block, one joint of composition compliant mechanism, connect between body and contiguous block and there is gap, make can rotate 1 ° ~ 2 ° between every two joints, then one save and couple together, along with the increase of joint number, the rotational angle of compliant mechanism also increases thereupon, forming one can the compliant mechanism of serpentine bend.
2. the snakelike compliant mechanism of the novel logging instrument of one according to claim 1, is characterized in that: flexible core assembly of crossing is a steel pipe with flexibility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253300.6U CN204082122U (en) | 2013-07-29 | 2014-05-16 | The snakelike compliant mechanism of a kind of novel logging instrument |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320455334.9 | 2013-07-29 | ||
| CN201320455334 | 2013-07-29 | ||
| CN201420253300.6U CN204082122U (en) | 2013-07-29 | 2014-05-16 | The snakelike compliant mechanism of a kind of novel logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082122U true CN204082122U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420253300.6U Expired - Lifetime CN204082122U (en) | 2013-07-29 | 2014-05-16 | The snakelike compliant mechanism of a kind of novel logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082122U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894474A (en) * | 2020-06-29 | 2020-11-06 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Operation tool string containing snakelike weight bar |
| CN111894475A (en) * | 2020-06-29 | 2020-11-06 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Snakelike weight bar |
| CN114165215A (en) * | 2020-08-21 | 2022-03-11 | 中国石油天然气股份有限公司 | Logging conveying device and logging conveying method |
-
2014
- 2014-05-16 CN CN201420253300.6U patent/CN204082122U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894474A (en) * | 2020-06-29 | 2020-11-06 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Operation tool string containing snakelike weight bar |
| CN111894475A (en) * | 2020-06-29 | 2020-11-06 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Snakelike weight bar |
| CN111894475B (en) * | 2020-06-29 | 2022-07-29 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Snakelike weight bar |
| CN114165215A (en) * | 2020-08-21 | 2022-03-11 | 中国石油天然气股份有限公司 | Logging conveying device and logging conveying method |
| CN114165215B (en) * | 2020-08-21 | 2024-03-26 | 中国石油天然气股份有限公司 | Logging conveying device and logging conveying method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 310012 Xihu District Huaxing Road No. 96 Patentee after: HANGZHOU RUILI ACOUSTIC TECHNOLOGY CO.,LTD. Address before: Hangzhou City, Zhejiang province 310012 Xihu District Huaxing Road No. 96 Patentee before: HANGZHOU RUILI ACOUSTOELECTRIC TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |