CN204283281U - A kind of propeller type downhole instrument propeller - Google Patents
A kind of propeller type downhole instrument propeller Download PDFInfo
- Publication number
- CN204283281U CN204283281U CN201420652299.4U CN201420652299U CN204283281U CN 204283281 U CN204283281 U CN 204283281U CN 201420652299 U CN201420652299 U CN 201420652299U CN 204283281 U CN204283281 U CN 204283281U
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- Prior art keywords
- propeller
- screw
- instrument
- connector
- logger
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- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 230000008054 signal transmission Effects 0.000 claims abstract description 5
- 230000001141 propulsive effect Effects 0.000 claims abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 21
- 210000000744 eyelid Anatomy 0.000 claims description 9
- 238000012360 testing method Methods 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model provides a kind of propeller type downhole instrument propeller, specifically comprises: cable connector, instrument connector, screw propeller, at least two rolling wheel centralizers; Cable connector is arranged at propeller one end, provides ground power supply to power and Signal transmissions for stube cable to propeller; Instrument connector is arranged at the angle of rake other end relative with cable connector, for connecting logger; Screw propeller is arranged between cable connector and instrument connector, for providing propulsive force to propeller, drives logger to move; Rolling wheel centralizer is arranged between cable connector and instrument connector, for stable propeller, prevents logger and the screw propeller borehole wall from connecting, propeller is steadily advanced; What at least two rolling wheel centralizers did not connect respectively vertically is arranged at propeller external surface; With this, steadily advance logger, realize the admission that horizontal well needs testing well section formation parameter.
Description
Technical field
The utility model relates to petroleum well logging technology field, is a kind of device of pushing ahead in down-hole for horizontal wellbore logging instrument.
Background technology
At present, each elephant all takes much count of the exploitation of horizontal well, because horizontal well production is large, normally the 3-5 of straight well output doubly, so it is very fast to take effect.But the well logging after horizontal well drilling and the test problem after producing remain a difficult problem for horizontal well development, and one of its Major Difficulties is exactly how logger is lowered into horizontal segment tiptoe position.
Propose a kind of screw downhole instrument propeller in view of above, when horizontal wellbore logging, logger can be advanced to the tiptoe position of horizontal well.
Utility model content
The utility model object is to provide a kind of instrument propulsion plant for horizontal well wireline test mode, according to test construction requirement, tester can be advanced to horizontal well tiptoe position by this propeller, and in upper portable cable process, complete the test assignment of horizontal well, then with cable, ground is proposed.
For achieving the above object, the utility model specifically provides a kind of propeller type downhole instrument propeller, comprises: cable connector, instrument connector, screw propeller, at least two rolling wheel centralizers;
Described cable connector is arranged at propeller one end, provides ground power supply to power and Signal transmissions to described propeller for stube cable;
Described instrument connector is arranged at the angle of rake other end relative with described cable connector, for connecting logger;
Described screw propeller is arranged between described cable connector and described instrument connector, for providing propulsive force to propeller, drives logger to move;
Described rolling wheel centralizer is arranged between described cable connector and described instrument connector, for stable propeller, prevents logger and the described screw propeller borehole wall from connecting;
What described at least two rolling wheel centralizers did not connect respectively vertically is arranged at propeller external surface.
In the utility model one preferred embodiment, above-mentioned screw propeller comprises screw drive motors, leading screw assembly, propeller blade, swivel bearing, reducer and electric rotating machine; Described screw drive motors is connected with described leading screw assembly, described leading screw assembly is connected with described propeller blade, described propeller blade is arranged on described swivel bearing, and described swivel bearing is connected with described reducer, and described reducer is connected with described electric rotating machine; Described propeller blade is initially in closed configuration, when described screw drive motors receives control instruction, described propeller blade is driven to rotate by described leading screw assembly, described propeller blade changes softened state into, described electric rotating machine drives described reducer to rotate, described reducer is connected with described swivel bearing, and described propeller blade rotates under the drive of described swivel bearing.
In the utility model one preferred embodiment, above-mentioned rollers centralizer comprises: multiple eyelid retractor, and described multiple eyelid retractor, along described propeller shaft to branch, fixes described propeller for balancing in down-hole.
In the utility model one preferred embodiment, above-mentioned eyelid retractor comprises a roller and many support arms, and described many support arm one end are fixed on angle of rake external surface, and described many support arm other ends are connected with roller.
In the utility model one preferred embodiment, above-mentioned instrument connector also comprises a pressure sensor, described pressure sensor for sense logger pressure state and feedback signal control described screw propeller stop.
In the utility model one preferred embodiment, above-mentioned propeller comprises multiple screw propeller, and what described multiple screw propeller did not connect respectively vertically is arranged at propeller external surface.
Advantageous Effects of the present utility model is: by propeller type downhole instrument propeller provided by the utility model, can assigned address logger being pushed to stably horizontal segment in horizontal production well, realize the admission that horizontal well needs testing well section formation parameter.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The propeller type downhole instrument propeller structure figure of Fig. 1 for providing in the utility model one embodiment.
Drawing reference numeral
1-cable connector, 2-screw drive motors, 3-leading screw assembly, 4-propeller blade, 5-swivel bearing, 6-reducer, 7-electric rotating machine, 8-rolling wheel centralizer, 9-auxiliary propeller drive motors; 10-leading screw assembly, 11-auxiliary screw paddle blade, 12-swivel bearing, 13-reducer, 14-electric rotating machine, 15-rolling wheel centralizer, 16-instrument connector
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to shown in Fig. 1, the utility model specifically provides a kind of propeller type downhole instrument propeller, comprises: cable connector 1, instrument connector 16, screw propeller, at least two rolling wheel centralizers 8,15; Described cable connector 1 is arranged at propeller one end, provides ground power supply to power and Signal transmissions to described propeller for stube cable; Described instrument connector 16 is arranged at the angle of rake other end relative with described cable connector, for connecting logger; Described screw propeller is arranged between described cable connector and described instrument connector, for providing propulsive force to propeller, drives logger to move; Described rolling wheel centralizer 8,15 is arranged between described cable connector and described instrument connector, for stable propeller, prevents logger and the described screw propeller borehole wall from connecting; What described at least two rolling wheel centralizers did not connect respectively vertically is arranged at propeller external surface.
Logger can be placed on instrument connector 16 by those skilled in the art, propeller type downhole instrument propeller provided by the utility model is external by cable connector 1 cable, during work, by cable, the propeller type downhole instrument propeller being connected with logger is transferred as in well, when logger being made to arrive precalculated position by gravity, instruction is sent by ground, control the angle of rake screw propeller of propeller type downhole instrument and open rotation, provide thrust to drive logger to advance to propeller.
Please refer to shown in Fig. 1, in the above-described embodiments, screw propeller comprises screw drive motors 2,9, and leading screw is total, and 3,10, propeller blade 4,11, swivel bearing 5,12, reducer 6,13 and electric rotating machine 7,14; Described screw drive motors is connected with described leading screw assembly, described leading screw assembly is connected with described propeller blade, described propeller blade is arranged on described swivel bearing, and described swivel bearing is connected with described reducer, and described reducer is connected with described electric rotating machine; Described propeller blade is initially in closed configuration, when described screw drive motors receives control instruction, described propeller blade is driven to rotate by described leading screw assembly, described propeller blade changes softened state into, described electric rotating machine drives described reducer to rotate, described reducer is connected with described swivel bearing, and described propeller blade rotates under the drive of described swivel bearing, provides motive force.
In the above-described embodiments, screw drive motors is for changing the state of propeller blade, and initial closing up changed into and strut, its concrete structure can be existing frame for movement, and the utility model does not limit at this.
In the utility model one preferred embodiment, above-mentioned rollers centralizer comprises: multiple eyelid retractor 8,15, and described multiple eyelid retractor 8,15, along described propeller shaft to branch, fixes described propeller for balancing in down-hole.
In the above-described embodiments, eyelid retractor 8,15 comprises a roller and many support arms, and described many support arm one end are fixed on angle of rake external surface, and described many support arm other ends are connected with roller.As shown in the figure, wherein one end of support arm of more than two is connected by roller, and the other end is fixed on angle of rake external surface, and triangularity structure is more firm; It is contacted with the borehole wall by roller, with this reduce pusher advance or in fallback procedures with the friction of the borehole wall; Meanwhile, because supporting 8,15 is fixing structure, it more for steady pusher, prevents the propeller blade of screw pusher from contacting with the borehole wall with logger, causes unnecessary wearing and tearing and consumption while minimizing friction.
In the utility model one preferred embodiment, above-mentioned instrument connector also comprises a pressure sensor, described pressure sensor for sense logger pressure state and feedback signal control described screw propeller stop.
In the above-described embodiments, described pressure sensor is arranged at logger external surface, and after logger is subject to particular pressure value, by feedback one signal to screw propeller, this screw propeller is out of service after receiving the signal of described feedback.
In the utility model one preferred embodiment, above-mentioned propeller comprises multiple screw propeller, and what described multiple screw propeller did not connect respectively vertically is arranged at propeller external surface.Please refer to shown in Fig. 1, in the above-described embodiments, multiple screw propeller can be set on propeller type downhole instrument propeller external surface, this screw propeller object is to provide enough motive forces to propeller type downhole instrument propeller, in real work, according to circumstances can arrange and increase adaptation screw propeller to achieve the above object; Therefore, the present embodiment does not limit the quantity of screw propeller at this.
In the utility model one preferred embodiment, above-mentioned propeller blade also connects a controlled bracing frame, in order to drive described propeller blade strut or close up according to described screw drive motors running.This support frame structure can be existing braced structures, and object is, when screw drive motors operates constantly, propeller blade to be strutted or close up.
In real work, the propeller type downhole instrument propeller that the utility model provides carries out work as follows:
In FIG, logging cable is connected with propeller cable connector 1, provides ground power supply to power and Signal transmissions, and logger connects and is connected with propeller instrument connector 16, is connected to before propeller.When horizontal wellbore logging, peupendicular hole section is transferred by the deadweight of logger string, now, angle of rake propeller blade 4 and auxiliary screw paddle blade 11 are in rounding state, rolling wheel centralizer 8 and 15 is in softened state always, rolling wheel centralizer arranges 4 support arms at this, each support arm and tube wall contact position are provided with rotary metal wheel, can reduce like this to rub and ensure that tester and propeller blade avoid wearing and tearing between two parties, multiple propeller blade 4, swivel bearing 5, reducer 6 and electric rotating machine 7 form screw propeller; Multiple auxiliary screw paddle blade 11, swivel bearing 12, reducer 13 and electric rotating machine 14 form auxiliary propeller propeller.Under logger string transfers to the larger situation of hole deviation, when cannot advance by gravity own, ground routine controls propeller and starts working, screw drive motors 2 and auxiliary propeller drive motors 9 work simultaneously, rotate forward and drive leading screw assembly 3 and 10 to rotate, propeller blade 4 and auxiliary screw paddle blade 11 are strutted, blade struts rear screw shaft electric rotating machine 7 and auxiliary propeller electric rotating machine 14 works simultaneously, reducer 6 and 13 is driven to rotate, reducer 6 is connected with swivel bearing 5 and 12 respectively with 13, propeller blade 4 and auxiliary screw paddle blade 11 High Rotation Speed on swivel bearing 5 and 12, rotary power is produced with liquid in oil well, promote whole instrument string to advance, until after proceeding to assigned address or when pressure sensor feeds back a stop signal, screw electric rotating machine 7 and auxiliary propeller electric rotating machine 14 quit work, screw drive motors 2 and auxiliary propeller drive motors 9 reversely rotate and propeller blade 4 and auxiliary screw paddle blade 11 are drawn in, upper portable cable carries out the admission of log parameter, continue upper portable cable after well logging and propeller and logger string are taken out ground.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only detailed description of the invention of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a propeller type downhole instrument propeller, is characterized in that, described propeller comprises: cable connector, instrument connector, screw propeller, at least two rolling wheel centralizers;
Described cable connector is arranged at propeller one end, provides ground power supply to power and Signal transmissions to described propeller for stube cable;
Described instrument connector is arranged at the angle of rake other end relative with described cable connector, for connecting logger;
Described screw propeller is arranged between described cable connector and described instrument connector, for providing propulsive force to propeller, drives logger to move;
Described rolling wheel centralizer is arranged between described cable connector and described instrument connector, for stable propeller, prevents logger and the described screw propeller borehole wall from connecting;
What described at least two rolling wheel centralizers did not connect respectively vertically is arranged at propeller external surface.
2. propeller type downhole instrument propeller according to claim 1, is characterized in that, described screw propeller comprises screw drive motors, leading screw assembly, propeller blade, swivel bearing, reducer and electric rotating machine;
Described screw drive motors is connected with described leading screw assembly, described leading screw assembly is connected with described propeller blade, described propeller blade is arranged on described swivel bearing, and described swivel bearing is connected with described reducer, and described reducer is connected with described electric rotating machine;
Described propeller blade is initially in closed configuration, when described screw drive motors receives control instruction, described propeller blade is driven to rotate by described leading screw assembly, described propeller blade changes softened state into, described electric rotating machine drives described reducer to rotate, described reducer is connected with described swivel bearing, and described propeller blade rotates under the drive of described swivel bearing.
3. propeller type downhole instrument propeller according to claim 1, it is characterized in that, described rolling wheel centralizer comprises: multiple eyelid retractor, and described multiple eyelid retractor, along described propeller shaft to branch, fixes described propeller for balancing in down-hole.
4. propeller type downhole instrument propeller according to claim 3, it is characterized in that, described eyelid retractor comprises a roller and many support arms, and described many support arm one end are fixed on angle of rake external surface, and described many support arm other ends are connected with roller.
5. propeller type downhole instrument propeller according to claim 2, it is characterized in that, described instrument connector also comprises a pressure sensor, described pressure sensor for sense logger pressure state and feedback signal to control described screw propeller out of service.
6. propeller type downhole instrument propeller according to claim 1, it is characterized in that, described propeller comprises multiple screw propeller, and what described multiple screw propeller did not connect respectively vertically is arranged at propeller external surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420652299.4U CN204283281U (en) | 2014-11-04 | 2014-11-04 | A kind of propeller type downhole instrument propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420652299.4U CN204283281U (en) | 2014-11-04 | 2014-11-04 | A kind of propeller type downhole instrument propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283281U true CN204283281U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420652299.4U Expired - Fee Related CN204283281U (en) | 2014-11-04 | 2014-11-04 | A kind of propeller type downhole instrument propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283281U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373069A (en) * | 2014-11-04 | 2015-02-25 | 中国石油天然气股份有限公司 | Propeller type downhole instrument propelling device |
| CN107491139A (en) * | 2017-07-11 | 2017-12-19 | 中石化石油工程技术服务有限公司 | Self-adjusting drive device in a kind of pipeline |
| CN108303743A (en) * | 2017-12-27 | 2018-07-20 | 顺丰科技有限公司 | A kind of unmanned plane propeller collision checking method and detection device |
-
2014
- 2014-11-04 CN CN201420652299.4U patent/CN204283281U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373069A (en) * | 2014-11-04 | 2015-02-25 | 中国石油天然气股份有限公司 | Propeller type downhole instrument propelling device |
| CN107491139A (en) * | 2017-07-11 | 2017-12-19 | 中石化石油工程技术服务有限公司 | Self-adjusting drive device in a kind of pipeline |
| CN107491139B (en) * | 2017-07-11 | 2024-02-23 | 中石化石油工程技术服务有限公司 | Self-adjusting driving device in pipeline |
| CN108303743A (en) * | 2017-12-27 | 2018-07-20 | 顺丰科技有限公司 | A kind of unmanned plane propeller collision checking method and detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |