CN204252893U - A kind of telescopic downhole instrument propeller of wriggling - Google Patents
A kind of telescopic downhole instrument propeller of wriggling Download PDFInfo
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- CN204252893U CN204252893U CN201420629663.5U CN201420629663U CN204252893U CN 204252893 U CN204252893 U CN 204252893U CN 201420629663 U CN201420629663 U CN 201420629663U CN 204252893 U CN204252893 U CN 204252893U
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- 238000012360 testing method Methods 0.000 abstract description 17
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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Abstract
The utility model is a kind of telescopic downhole instrument propeller of wriggling, and this propeller includes the cable connection structure set gradually from back to front, rear telescoping ram, wriggling expansion bend, front telescoping ram and instrument syndeton, and control device; Described wriggling expansion bend include first move assembly, second move assembly, first drive assembly, the 3rd move assembly, second drive assembly.Replaced and horizontal well pipe walls support by forward and backward telescoping ram, wriggling expansion bend carries out extension and contractile motion replaces, and realize the tester ahead running of telescopic downhole instrument propeller in horizontal well of wriggling, assigned position delivered to by downhole tester device the most at last.This propeller has testing well caliber strong adaptability, accurate positioning, structure is simple, cost is low, easy to maintenance feature.
Description
Technical field
The utility model relates to petroleum well logging technology field, particularly relates to the one being applicable to tester conveying under Horizontal Well and to wriggle telescopic downhole instrument propeller.
Background technology
Current 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, take effect very fast, but the well logging after horizontal well drilling and the test problem after producing also highlights day by day.Because the net horizontal section after horizontal well completion and Horizon are parastate, tester transferring in oil well mainly relies on cable and self gravitation, when arriving net horizontal section, instrument cannot move on, precalculated position must could be arrived by external force, how safely, reliably tester be transported to test purpose position thus realize the full well section test of horizontal well, becoming the key issue of restriction horizontal well development.
Current domestic water horizontal well tester mode of movement can be divided into tubular column carrying to carry and crawl device conveying.In tubular column carrying mode of movement, tubing string is utilized to realize tester to deliver to test purpose position, the adaptive capacity of this mode to borehole wall ID is poor, and Oil/gas Well well is regular not in some well section, and the well section of different-diameter may be there is in same well, cause tester to be delivered to test purpose position.
In crawl device mode of movement, the tractor that known propeller technology of creeping has " oil instrument " 8 monthly magazines in 2009 the 28th page of SmarTract company introduced to produce in 2000 and the MaxTRAC type intelligent water horizontal well tractor that Schlumberger announced to release in June, 2003, above-mentioned two kinds of traction propellers all adopt special motor to drive tractor to carry, and its complex structure, involve great expense.
Thus, the present inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of telescopic downhole instrument propeller of wriggling, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of telescopic downhole instrument propeller of wriggling, to realize object tester under horizontal well being accurately transported to net horizontal section target location, completing the test of horizontal well full well section, this propeller has testing well caliber strong adaptability, accurate positioning, structure is simple, cost is low, easy to maintenance feature.
The purpose of this utility model realizes like this, a kind of telescopic downhole instrument propeller of wriggling, described wriggling telescopic downhole instrument propeller includes the cable connection structure set gradually from back to front, rear telescoping ram, wriggling expansion bend, front telescoping ram and instrument syndeton, also includes control device;
Described wriggling expansion bend include first move assembly, second move assembly, first drive assembly, the 3rd move assembly and second drive assembly;
Described first moves assembly includes the first Mobility Center axle, described first Mobility Center axle outer cover is provided with first and moves sleeve pipe, described first moves sleeve pipe outer-rear end is arranged with the first housing, the outer wall of described first housing is longitudinally provided with the saturating groove of the first guiding, described first moves sleeve pipe outer front end is arranged with the 4th housing, and the outer wall of described 4th housing is longitudinally provided with the saturating groove of the second guiding;
Described first moves assembly rear end is provided with second and moves assembly, and described second moves assembly includes the second Mobility Center axle and second and move sleeve pipe, the second housing; Described second housing forward end is fixedly connected with described first housing rear end; Second Mobility Center axle is arranged in the second housing slidably, and described second Mobility Center axle front end is fixedly connected on the rear end of the first Mobility Center axle; Described second movable sleeving pipe box is located at described first hull outside, described second moves sleeve pipe front end is moved sleeve pipe rear end be connected by the first guiding saturating groove and first, described second moves sleeve pipe rear end is connected with the second Mobility Center axle by the saturating groove of the first guiding, and described second moves sleeve pipe slides along the saturating groove of described first guiding;
Described second moves assembly rear portion is connected with the first driving assembly, and described first drives assembly to include the first drive shell, and described first drive shell front end is connected with described second housing rear end; Described first drive shell inside is provided with the first leading screw assembly, the first drive motors from front to back, described first leading screw assembly includes the first leading screw, described first leading screw front free end is arranged with the first screw sheel, and described first screw sheel axially connects forward described second Mobility Center axle; Described first leading screw rear end and the first drive motors are rotationally connected;
Described first moves assembly front end is provided with the 3rd and moves assembly, and the described 3rd moves assembly includes the 3rd Mobility Center axle and the 3rd and move sleeve pipe, the 3rd housing; Described 3rd housing rear end is fixedly connected with described 4th housing forward end; 3rd Mobility Center axle is arranged in the 3rd housing slidably, and described 3rd Mobility Center shaft rear end is fixedly connected on the front end of the first Mobility Center axle; Described 3rd movable sleeving pipe box is located at described 4th hull outside, described 3rd moves sleeve pipe rear end is moved sleeve pipe front end be connected by the second guiding saturating groove and first, described 3rd moves sleeve pipe front end is connected with the 3rd Mobility Center axle by the saturating groove of the second guiding, and the described 3rd moves sleeve pipe slides along the saturating groove of described second guiding;
Described 3rd moves assembly front portion is connected with the second driving assembly, and described second drives assembly to include the second drive shell, and described second drive shell rear end is connected with described 3rd housing forward end; Described second drive shell inside is provided with the second leading screw assembly, the second drive motors from back to front, described second leading screw assembly includes the second leading screw, described second leading screw rear portion free end is arranged with the second screw sheel, and described second screw sheel axially connects described 3rd Mobility Center axle backward; Described second leading screw front end and the second drive motors are rotationally connected;
Described first drive shell rear end is connected with described rear telescoping ram front end, and described rear telescoping ram rear end connects described cable connection structure; Described second drive shell front end is connected with described front telescoping ram rear end, and described front telescoping ram front end connects described instrument syndeton.
In a better embodiment of the present utility model, described first enclosure interior is positioned at first and moves sleeve pipe rear and be also provided with the first balance bunker, first balance bunker fixed cover is located in the first housing, described first balance bunker includes the first set barrel structure of rear end shutoff front opening, back-end central is provided with the first through hole, front opening place is provided with the first balance bunker blanking cover, and described first balance bunker blanking cover center is provided with the second through hole; Described 4th enclosure interior is positioned at first and moves sleeve pipe front and be also provided with the second balance bunker, second balance bunker fixed cover is located in the 4th housing, described second balance bunker includes the second tube-in-tube structure of front end shutoff open rearward end, center, front end is provided with third through-hole, open rearward end place is provided with the second balance bunker blanking cover, and described second balance bunker blanking cover center is provided with fourth hole; It is inner that described first Mobility Center shaft rear end is arranged in described first balance bunker by the second through hole sealing, and it is inner that described first Mobility Center axle front end is arranged in described second balance bunker by fourth hole sealing; Described second Mobility Center axle front portion is arranged in described first balance bunker rear end by the first through hole; Described 3rd Mobility Center axle rear portion is arranged in described second balance bunker front end by third through-hole.
In a better embodiment of the present utility model, described first Mobility Center axle two ends are respectively equipped with groove, described second Mobility Center axle front end is fixed in the groove of the rear end of the first Mobility Center axle, and described 3rd Mobility Center shaft rear end is fixed in the groove of the front end of the first Mobility Center axle.
In a better embodiment of the present utility model, described second moves sleeve pipe front end and first moves sleeve pipe rear end by being connected through the first the first pin lead saturating groove, and described second moves sleeve pipe rear end is connected by passing the first the second pin leading saturating groove with the second Mobility Center axle; Described 3rd moves sleeve pipe rear end and first moves sleeve pipe front end by being connected through the second the 3rd pin lead saturating groove, and the described 3rd moves sleeve pipe front end is connected by passing the second the 4th pin leading saturating groove with the 3rd Mobility Center axle.
In a better embodiment of the present utility model, described rear telescoping ram includes the first backup housing, and described first backup enclosure interior is assembled with the first backup drive motors, the first backup drive assembly and the first backup terminal from back to front successively; Described front telescoping ram includes the second backup housing, and described second backup enclosure interior is assembled with the second backup drive motors, the second backup drive assembly and the second backup terminal from back to front successively.
In a better embodiment of the present utility model, the connection of described second housing forward end and described first housing rear end, the connection of described first drive shell front end and the second housing rear end, the connection of described first drive shell rear end and described rear telescoping ram front end, the connection of described rear telescoping ram rear end and cable connection structure, the connection of described 3rd housing rear end and described 4th housing forward end, the connection of described second drive shell rear end and the 3rd housing forward end, the connection of described second drive shell front end and described front telescoping ram rear end, described front telescoping ram front end is with the connection of instrument syndeton and is threaded.
In a better embodiment of the present utility model, described cable connection structure comprises the first tubular construction, and described first tubular construction rear end is provided with the first connecting ring, and described first tubular construction front end is fixedly connected with described rear telescoping ram rear end; Described instrument syndeton comprises the second tubular construction, and described second tubular construction front end is provided with the second connecting ring being fixedly connected with downhole instrument, and described second tubular construction rear end is fixedly connected with described front telescoping ram front end.
In a better embodiment of the present utility model, described first Mobility Center axle is hollow shaft.
From the above mentioned, wriggling of the present utility model telescopic downhole instrument propeller has following beneficial effect:
(1) to testing well caliber strong adaptability, accurate positioning: utilize telescoping ram and horizontal well tube wall to carry out firm location, according to the opening angle of actual caliber determination telescoping ram, strong adaptability; Control device and each anatomical connectivity, controlled by ground control program, accurate positioning;
(2) structure is simple, and cost is low, easy to maintenance: the telescopic downhole instrument propeller of wriggling of the present utility model is without the need to customizing motor, and cost is lower; Agent structure is and is threaded, and structure is simple, easy to maintenance.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: for the utility model is wriggled telescopic downhole instrument propeller structure schematic diagram;
Fig. 2 a: be the structure enlarged diagram of the cable connection structure after I place in Fig. 1 and rear telescoping ram;
Fig. 2 b: be the structure enlarged diagram of the wriggling expansion bend in Fig. 1 between I place and II place;
Fig. 2 c: be the structure enlarged diagram of telescoping ram before before II place in Fig. 1 and instrument syndeton;
Fig. 3 a: for first after III place in Fig. 2 b drives assembly and second to move the structure enlarged diagram of assembly;
Fig. 3 b: for first, second, third in Fig. 2 b between III place and IV place moves the structure enlarged diagram of assembly;
Fig. 3 c: for second before IV place in Fig. 2 b drives assembly and the 3rd to move the structure enlarged diagram of assembly;
Fig. 4: for the utility model is wriggled the view that telescopic downhole instrument propeller starts working.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.
As shown in Figure 1, the utility model provides a kind of telescopic downhole instrument propeller 1000 of wriggling, this propeller 1000 includes the cable connection structure 100, rear telescoping ram 200, wriggling expansion bend 300, front telescoping ram 400 and the instrument syndeton 500 that set gradually from back to front, also includes control device (not shown).
As shown in Figure 2 b, described wriggling expansion bend 300 includes first and moves assembly 310, second and move assembly 320, first and drive assembly 330, the 3rd to move assembly 340 and second to drive assembly 350;
As shown in Fig. 2 b, 3b, described first moves assembly 310 includes the first Mobility Center axle 311, first Mobility Center axle 311 outer cover is provided with first and moves sleeve pipe 312, first moves sleeve pipe 312 outer-rear end is arranged with the first housing 313, and the outer wall of described first housing is longitudinally provided with the saturating groove 3131 of the first guiding; First moves sleeve pipe outer front end is arranged with the 4th housing 314, and the outer wall of described 4th housing is longitudinally provided with the saturating groove 3141 of the second guiding; In the present embodiment, the first Mobility Center axle 311 is hollow shaft.
First housing 313 inside is positioned at first and moves sleeve pipe 312 rear and be also provided with the first balance bunker 315, first balance bunker 315 fixed cover is located in the first housing, described first balance bunker 315 includes the first set barrel structure 3151 of rear end shutoff front opening, back-end central is provided with the first through hole 31511, front opening place is provided with the first balance bunker blanking cover 3152, and described first balance bunker blanking cover 3152 center is provided with the second through hole 31521; 4th housing 314 inside is positioned at first and moves sleeve pipe 312 front and be also provided with the second balance bunker 316, second balance bunker 316 fixed cover is located in the 4th housing, described second balance bunker 316 includes the second tube-in-tube structure 3161 of front end shutoff open rearward end, center, front end is provided with third through-hole 31611, open rearward end place is provided with the second balance bunker blanking cover 3162, and described second balance bunker blanking cover 3162 center is provided with fourth hole 31621; It is inner that described first Mobility Center axle 311 rear end is arranged in the first balance bunker 315 by the second through hole 31521 sealing, and it is inner that the first Mobility Center axle 311 front end is arranged in described second balance bunker 316 by fourth hole 31621 sealing; In telescopic downhole instrument propeller 1000 motion process of wriggling, it is inner that first Mobility Center axle 311 two ends are in the first airtight balance bunker 315, second balance bunker 316 all the time, make the environmental stress at two ends unanimously and keep stable, the motion of telescopic downhole instrument propeller 1000 external environment pressure change of wriggling to the first Mobility Center axle 311 does not impact, and ensure that the first Mobility Center axle 311 is steadily flexible.
As shown in Fig. 2 b, 3a, 3b, described first moves assembly 310 rear end is provided with second and moves assembly 320, and second moves assembly 320 includes the second Mobility Center axle 321 and second and move sleeve pipe 322, second housing 323, described second housing 323 front end is fixedly connected with described first housing 313 rear end, second Mobility Center axle 321 is arranged in the second housing 323 slidably, described second moves sleeve pipe 322 is sheathed on described first housing 313 outside, described second moves sleeve pipe 322 front end is moved sleeve pipe 312 rear end be connected by the first guiding saturating groove 3131 and first, described second moves sleeve pipe 322 rear end is connected with the second Mobility Center axle 321 by the saturating groove 3131 of the first guiding, in the present embodiment, second moves sleeve pipe 322 front end and first is moved sleeve pipe 312 rear end and is connected by the first pin 324, second moves sleeve pipe 322 rear end is connected by the second pin 325 with the second Mobility Center axle 321.
As shown in Fig. 2 b, 3b, second Mobility Center axle 321 front portion is passed the first balance bunker 315 rear end first through hole 31511 and is fixedly connected on the rear end of the first Mobility Center axle 311, in the present embodiment, the second Mobility Center axle 321 front end is fixed in the first groove 3111 of the first Mobility Center axle 311 rear end.
As shown in Fig. 2 b, 3a, described second moves assembly 320 rear portion is connected with the first driving assembly 330, and described first drives assembly 330 to include the first drive shell 331, first drive shell 331 front end is connected with described second housing 323 rear end; First drive shell 331 inside is provided with the first leading screw assembly 332, first drive motors 333 from front to back, described first leading screw assembly 332 includes the first leading screw 3321, described first leading screw 3321 front free end is arranged with the first screw sheel 3322, and described first screw sheel 3322 axially connects forward described second Mobility Center axle 321; Described first leading screw 3321 rear end and the first drive motors 333 are rotationally connected;
As shown in Fig. 2 b, 3b, described first moves assembly 310 front end is provided with the 3rd and moves assembly 340, and the described 3rd moves assembly 340 includes the 3rd Mobility Center axle 341 and the 3rd and move sleeve pipe 342, the 3rd housing 343, described 3rd housing 343 rear end is fixedly connected with described 4th housing 314 front end, 3rd Mobility Center axle 341 is arranged in the 3rd housing 343 slidably, described 3rd moves sleeve pipe 342 is sheathed on described 4th housing 314 outside, 3rd moves sleeve pipe 342 rear end is moved sleeve pipe 312 front end be connected by the second guiding saturating groove 3141 and first, 3rd moves sleeve pipe 342 front end is connected with the 3rd Mobility Center axle 341 by the saturating groove 3141 of the second guiding, in the present embodiment, 3rd moves sleeve pipe 342 rear end and first is moved sleeve pipe 312 front end and is connected by the 3rd pin 344, 3rd moves sleeve pipe 342 front end is connected by the 4th pin 345 with the 3rd Mobility Center axle 341.
As shown in Fig. 2 b, 3b, 3rd Mobility Center axle 341 rear portion is passed the second balance bunker 316 front end third through-hole 31611 and is fixedly connected on the front end of the first Mobility Center axle 311, in the present embodiment, the 3rd Mobility Center axle 341 rear end is fixed in the second groove 3112 of described first Mobility Center axle 311 front end.
As shown in Fig. 2 b, 3c, the described 3rd moves assembly 340 front portion is connected with the second driving assembly 350, and described second drives assembly 350 to include the second drive shell 351, and described second drive shell 351 rear end is connected with described 3rd housing 343 front end; Second drive shell 351 inside is provided with the second leading screw assembly 352, second drive motors 353 from back to front, described second leading screw assembly 352 includes the second leading screw 3521, described second leading screw 3521 rear portion free end is arranged with the second screw sheel 3522, and described second screw sheel 3522 axially connects described 3rd Mobility Center axle 341 backward; Described second leading screw 3521 front end and the second drive motors 353 are rotationally connected.
As Fig. 1, 2a, 2b, shown in 2c, in the present embodiment, the connection of described second housing 323 front end and described first housing 313 rear end, the connection of described first drive shell 331 front end and the second housing 323 rear end, the connection of described first drive shell 331 rear end and described rear telescoping ram 200 front end, the connection of described rear telescoping ram 200 rear end and cable connection structure 100, the connection of described 3rd housing 343 rear end and described 4th housing 314 front end, the connection of described second drive shell 351 rear end and the 3rd housing 343 front end, the connection of described second drive shell 351 front end and described front telescoping ram 400 rear end, described front telescoping ram 400 front end is with the connection of instrument syndeton 500 and is threaded.
From the above mentioned, wriggling of the present utility model telescopic downhole instrument propeller 1000 utilizes front telescoping ram 400, rear telescoping ram 200 and horizontal tube wall to carry out firm location, to testing well caliber strong adaptability; The telescopic downhole instrument propeller 1000 of wriggling of the present utility model is without the need to customizing motor, and cost is lower; Agent structure connection is and is threaded, and structure is simple, easy to maintenance.
Further, as shown in Figure 2 a, described rear telescoping ram 200 (telescoping ram is prior art) includes the first backup housing 210, first backup housing 210 rear end is threaded with cable connection structure 100, described first backup housing 210 inside is provided with the first backup drive motors 220, first backup drive motors 220 front end is provided with the first backup drive assembly 230, first backup drive assembly 230 includes the first backup drive housing 231 and the first backup leading screw assembly 232, first backup leading screw assembly 232 rear end and the first backup drive motors 220 front end are rotationally connected, first backup leading screw assembly 232 front end is connected with the first backup terminal 240, first backup terminal 240 includes the first backup brace 241, first backup slips 242, first pushing against central pull bar 243 and the first backup plug 244, first backup plug 244 front end is threaded with the first drive shell 331 rear end.
As shown in Figure 2 c, described front telescoping ram 400 (telescoping ram is prior art) includes the second backup housing 410, second backup housing 410 rear end is connected with the second drive shell 351 nose threads, described second backup housing 410 inside is provided with the second backup drive motors 420, second backup drive motors 420 front end is provided with the second backup drive assembly 430, second backup drive assembly 430 includes the second backup drive housing 431 and the second backup leading screw assembly 432, second backup leading screw assembly 432 rear end and the second backup drive motors 420 front end are rotationally connected, second backup leading screw assembly 432 front end is connected with the second backup terminal 440, second backup terminal 440 includes the second backup brace 441, second backup slips 442, second pushing against central pull bar 443 and the second backup plug 444, second backup plug 444 front end is threaded with instrument syndeton 500.
Further, as shown in Fig. 2 a, 2c, described cable connection structure 100 comprises the first tubular construction 110, and described first tubular construction 110 rear end is provided with the first connecting ring 120, first tubular construction 110 front end and is fixedly connected with described rear telescoping ram 200 rear end; Described instrument syndeton 500 comprises the second tubular construction 510, described second tubular construction 510 front end is provided with the second connecting ring 520, second tubular construction 510 rear end being fixedly connected with downhole testing instrument (not shown) and is fixedly connected with described front telescoping ram 400 front end.
When using the telescopic downhole instrument propeller 1000 of wriggling of the present utility model to carry out horizontal well detection, the cable (not shown) of control device is fixedly connected with cable connection structure 100, and by cable (not shown) through the telescopic downhole instrument propeller 1000 of wriggling, the signal of telecommunication of control device is sent to front telescoping ram 400 by cable (not shown), rear telescoping ram 200, the drive motors of wriggling expansion bend 300 and front telescoping ram 400, inductor (prior art in rear telescoping ram 200 backup brace, not shown), downhole testing instrument (not shown) is fixedly connected on instrument syndeton 500, and cable (not shown) end is electrically connected with downhole testing instrument.Before instrument is transferred, the rear telescoping ram 200 of telescopic downhole instrument propeller 1000 of wriggling, front telescoping ram 400, wriggling expansion bend 300 are all in contraction state.In decentralization process, peupendicular hole section is transferred by downhole testing instrument and telescopic downhole instrument propeller 1000 of wriggling deadweight, after the larger position of hole deviation transferred to by downhole testing instrument and telescopic downhole instrument propeller 1000 of wriggling, when cannot continue to advance by self gravitation, control the telescopic downhole instrument propeller 1000 of wriggling and start working.A working cycles is as follows:
As shown in Figure 4, in rear telescoping ram 200, the first backup drive motors 220 rotates forward drive first backup leading screw assembly 232 and rotates, first backup brace 241 is strutted, until the first backup slips 242 contact with horizontal well tube wall (not shown) firm after inductor (not shown) in the first backup brace 241 to control device feedback signal, first backup drive motors 220 quits work, control the first drive motors 333, second drive motors 353 starts to rotate forward simultaneously, by the first leading screw assembly 332, second leading screw assembly 352 promotes second and moves assembly 320, 3rd moves assembly 340 moves, and then promote first and move assembly 310 and do stretching exercise (namely the spacing of the first housing 313 and the 4th housing 314 becomes large), after motion reaches predetermined stroke, control the first drive motors 333, second drive motors 353 stops rotating forward.Afterwards, first backup brace 241 of telescoping ram 200 after controlling, first backup slips 242 is regained, the second backup drive motors 420 in front telescoping ram 400 rotates forward drive second backup leading screw assembly 432 and rotates, second backup brace 441 is strutted, until the second backup slips 442 contact with horizontal well tube wall (not shown) firm after inductor (not shown) in the second backup brace 441 to control device feedback signal, second backup drive motors 420 quits work, and (the second backup brace 441 that also first can control front telescoping ram 400 struts, second backup slips 442 contact with horizontal well tube wall firm after by the first backup brace 241 of rear telescoping ram 200, first backup slips 242 is regained).First drive motors 333, second drive motors 353 starts to reversely rotate simultaneously, pull second to move assembly 320, the 3rd by the first leading screw assembly 332, second leading screw assembly 352 to move assembly 340 and move, and then pull first to move assembly 310 to do contractile motion (namely the spacing of the first housing 313 and the 4th housing 314 diminishes), after being retracted to most short status, first drive motors 333, second drive motors 353 stops reversely rotating, before controlling, the second backup slips 442 of telescoping ram 400 is regained, and completes a working cycles.
Circulation like this is gone down, until wriggle, instrument is delivered to assigned position by telescopic downhole instrument propeller 1000, then after, telescoping ram 200, front telescoping ram 400, wriggling expansion bend 300 are all in contraction state, upper portable cable carries out the admission of log parameter, continues upper portable cable and will wriggles telescopic downhole instrument propeller 1000 and downhole testing instrument string taking-up ground after well logging.
From the above mentioned, wriggling of the present utility model telescopic downhole instrument propeller 1000 has following beneficial effect:
(1) front telescoping ram 400, rear telescoping ram 200 and horizontal well tube wall is utilized to hocket firm location, according to the opening angle of actual caliber determination telescoping ram, to the strong adaptability of testing well caliber; Control device is electrically connected with each drive motors and inductor by cable, is controlled, accurate positioning by ground control program;
(2) the telescopic downhole instrument propeller 1000 of wriggling of the present utility model is without the need to customizing motor, and cost is lower; Agent structure is and is threaded, and structure is simple, easy to maintenance.
The foregoing is only the schematic detailed description of the invention of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (8)
1. a telescopic downhole instrument propeller of wriggling; It is characterized in that: described wriggling telescopic downhole instrument propeller includes the cable connection structure set gradually from back to front, rear telescoping ram, wriggling expansion bend, front telescoping ram and instrument syndeton, also includes control device;
Described wriggling expansion bend include first move assembly, second move assembly, first drive assembly, the 3rd move assembly and second drive assembly;
Described first moves assembly includes the first Mobility Center axle, described first Mobility Center axle outer cover is provided with first and moves sleeve pipe, described first moves sleeve pipe outer-rear end is arranged with the first housing, the outer wall of described first housing is longitudinally provided with the saturating groove of the first guiding, described first moves sleeve pipe outer front end is arranged with the 4th housing, and the outer wall of described 4th housing is longitudinally provided with the saturating groove of the second guiding;
Described first moves assembly rear end is provided with second and moves assembly, and described second moves assembly includes the second Mobility Center axle and second and move sleeve pipe, the second housing; Described second housing forward end is fixedly connected with described first housing rear end; Second Mobility Center axle is arranged in the second housing slidably, and described second Mobility Center axle front end is fixedly connected on the rear end of the first Mobility Center axle; Described second movable sleeving pipe box is located at described first hull outside, described second moves sleeve pipe front end is moved sleeve pipe rear end be connected by the first guiding saturating groove and first, described second moves sleeve pipe rear end is connected with the second Mobility Center axle by the saturating groove of the first guiding, and described second moves sleeve pipe slides along the saturating groove of described first guiding;
Described second moves assembly rear portion is connected with the first driving assembly, and described first drives assembly to include the first drive shell, and described first drive shell front end is connected with described second housing rear end; Described first drive shell inside is provided with the first leading screw assembly, the first drive motors from front to back, described first leading screw assembly includes the first leading screw, described first leading screw front free end is arranged with the first screw sheel, and described first screw sheel axially connects forward described second Mobility Center axle; Described first leading screw rear end and the first drive motors are rotationally connected;
Described first moves assembly front end is provided with the 3rd and moves assembly, and the described 3rd moves assembly includes the 3rd Mobility Center axle and the 3rd and move sleeve pipe, the 3rd housing; Described 3rd housing rear end is fixedly connected with described 4th housing forward end; 3rd Mobility Center axle is arranged in the 3rd housing slidably, and described 3rd Mobility Center shaft rear end is fixedly connected on the front end of the first Mobility Center axle; Described 3rd movable sleeving pipe box is located at described 4th hull outside, described 3rd moves sleeve pipe rear end is moved sleeve pipe front end be connected by the second guiding saturating groove and first, described 3rd moves sleeve pipe front end is connected with the 3rd Mobility Center axle by the saturating groove of the second guiding, and the described 3rd moves sleeve pipe slides along the saturating groove of described second guiding;
Described 3rd moves assembly front portion is connected with the second driving assembly, and described second drives assembly to include the second drive shell, and described second drive shell rear end is connected with described 3rd housing forward end; Described second drive shell inside is provided with the second leading screw assembly, the second drive motors from back to front, described second leading screw assembly includes the second leading screw, described second leading screw rear portion free end is arranged with the second screw sheel, and described second screw sheel axially connects described 3rd Mobility Center axle backward; Described second leading screw front end and the second drive motors are rotationally connected;
Described first drive shell rear end is connected with described rear telescoping ram front end, and described rear telescoping ram rear end connects described cable connection structure; Described second drive shell front end is connected with described front telescoping ram rear end, and described front telescoping ram front end connects described instrument syndeton.
2. telescopic downhole instrument propeller of wriggling as claimed in claim 1, it is characterized in that: described first enclosure interior is positioned at first and moves sleeve pipe rear and be also provided with the first balance bunker, first balance bunker fixed cover is located in the first housing, described first balance bunker includes the first set barrel structure of rear end shutoff front opening, back-end central is provided with the first through hole, front opening place is provided with the first balance bunker blanking cover, and described first balance bunker blanking cover center is provided with the second through hole; Described 4th enclosure interior is positioned at first and moves sleeve pipe front and be also provided with the second balance bunker, second balance bunker fixed cover is located in the 4th housing, described second balance bunker includes the second tube-in-tube structure of front end shutoff open rearward end, center, front end is provided with third through-hole, open rearward end place is provided with the second balance bunker blanking cover, and described second balance bunker blanking cover center is provided with fourth hole; It is inner that described first Mobility Center shaft rear end is arranged in described first balance bunker by the second through hole sealing, and it is inner that described first Mobility Center axle front end is arranged in described second balance bunker by fourth hole sealing; Described second Mobility Center axle front portion is arranged in described first balance bunker rear end by the first through hole; Described 3rd Mobility Center axle rear portion is arranged in described second balance bunker front end by third through-hole.
3. telescopic downhole instrument propeller of wriggling as claimed in claim 1, it is characterized in that: described first Mobility Center axle two ends are respectively equipped with groove, described second Mobility Center axle front end is fixed in the groove of the rear end of the first Mobility Center axle, and described 3rd Mobility Center shaft rear end is fixed in the groove of the front end of the first Mobility Center axle.
4. telescopic downhole instrument propeller of wriggling as claimed in claim 1, it is characterized in that: described second moves sleeve pipe front end and first moves sleeve pipe rear end by being connected through the first the first pin lead saturating groove, described second moves sleeve pipe rear end is connected by passing the first the second pin leading saturating groove with the second Mobility Center axle; Described 3rd moves sleeve pipe rear end and first moves sleeve pipe front end by being connected through the second the 3rd pin lead saturating groove, and the described 3rd moves sleeve pipe front end is connected by passing the second the 4th pin leading saturating groove with the 3rd Mobility Center axle.
5. telescopic downhole instrument propeller of wriggling as claimed in claim 1, it is characterized in that: described rear telescoping ram includes the first backup housing, described first backup enclosure interior is assembled with the first backup drive motors, the first backup drive assembly and the first backup terminal from back to front successively; Described front telescoping ram includes the second backup housing, and described second backup enclosure interior is assembled with the second backup drive motors, the second backup drive assembly and the second backup terminal from back to front successively.
6. telescopic downhole instrument propeller of wriggling as claimed in claim 1, it is characterized in that: the connection of described second housing forward end and described first housing rear end, the connection of described first drive shell front end and the second housing rear end, the connection of described first drive shell rear end and described rear telescoping ram front end, the connection of described rear telescoping ram rear end and cable connection structure, the connection of described 3rd housing rear end and described 4th housing forward end, the connection of described second drive shell rear end and the 3rd housing forward end, the connection of described second drive shell front end and described front telescoping ram rear end, described front telescoping ram front end is with the connection of instrument syndeton and is threaded.
7. telescopic downhole instrument propeller of wriggling as claimed in claim 1, it is characterized in that: described cable connection structure comprises the first tubular construction, described first tubular construction rear end is provided with the first connecting ring, and described first tubular construction front end is fixedly connected with described rear telescoping ram rear end; Described instrument syndeton comprises the second tubular construction, and described second tubular construction front end is provided with the second connecting ring being fixedly connected with downhole instrument, and described second tubular construction rear end is fixedly connected with described front telescoping ram front end.
8. telescopic downhole instrument propeller of wriggling as claimed in claim 1, is characterized in that: described first Mobility Center axle is hollow shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420629663.5U CN204252893U (en) | 2014-10-28 | 2014-10-28 | A kind of telescopic downhole instrument propeller of wriggling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420629663.5U CN204252893U (en) | 2014-10-28 | 2014-10-28 | A kind of telescopic downhole instrument propeller of wriggling |
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| Publication Number | Publication Date |
|---|---|
| CN204252893U true CN204252893U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420629663.5U Expired - Fee Related CN204252893U (en) | 2014-10-28 | 2014-10-28 | A kind of telescopic downhole instrument propeller of wriggling |
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| Country | Link |
|---|---|
| CN (1) | CN204252893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915666A (en) * | 2018-06-01 | 2018-11-30 | 中国北方车辆研究所 | A kind of oilfield horizontal well mixed traction device |
-
2014
- 2014-10-28 CN CN201420629663.5U patent/CN204252893U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915666A (en) * | 2018-06-01 | 2018-11-30 | 中国北方车辆研究所 | A kind of oilfield horizontal well mixed traction device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 |