CN112901116A - Oil field well drilling wall of a well mediation cleans mechanism - Google Patents
Oil field well drilling wall of a well mediation cleans mechanism Download PDFInfo
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- CN112901116A CN112901116A CN202110391387.8A CN202110391387A CN112901116A CN 112901116 A CN112901116 A CN 112901116A CN 202110391387 A CN202110391387 A CN 202110391387A CN 112901116 A CN112901116 A CN 112901116A
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- pipe
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- 238000005553 drilling Methods 0.000 title claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 80
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 241000446313 Lamella Species 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000004401 flow injection analysis Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000008021 deposition Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 8
- 239000010779 crude oil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of oil development, in particular to a well wall dredging and cleaning mechanism for oil field drilling, which comprises a well mouth supporting frame, a telescopic motor, a telescopic frame, a downhole motor, a rotating connecting shaft, a fixed supporting structure, a cleaning disc and a converting shaft, wherein the well mouth supporting frame is fixedly connected with a well mouth, the telescopic frame is of a multi-section telescopic structure, the top end of the telescopic frame is fixedly connected with the well mouth supporting frame, the telescopic motor is fixed in the center of the well mouth supporting frame and drives the telescopic frame to stretch, the bottom end of the telescopic frame is fixedly connected with the downhole motor, the rotating connecting shaft comprises an inner pipe and an outer pipe, the rotating connecting shaft is connected with the fixed supporting structure, the cleaning disc comprises an upper cleaning disc and a lower cleaning disc and is connected through the converting shaft to form a coaxial reverse cleaning structure, and the coaxial reverse cleaning structure, the invention has simple and convenient operation and compact structure, and can completely clean the wax deposition part deep in the well hole.
Description
Technical Field
The invention relates to the technical field of petroleum development, in particular to a well wall dredging and cleaning mechanism for oil field drilling.
Background
In oil extraction operation, oil field well drilling is often blocked because impurities in crude oil are attached to a pipe wall, so that not only is the oil extraction efficiency influenced, but also the crude oil is polluted, and certain economic loss is caused.
The existing oil field well drilling well wall dredging and cleaning mechanism still has some defects in actual use, a dredging device with a single specification can only dredge a well drilling with a certain specification, the dredging effect of a vertical cylinder device is not ideal when the well drilling pipe wall is actually dredged, and a steel wire brush is easy to wear and needs to be replaced frequently.
Disclosure of Invention
The invention aims to provide a well wall dredging and cleaning mechanism for oil field drilling aiming at the defects in the prior art.
The technical scheme of the invention is as follows:
a well wall dredging and cleaning mechanism for oil field drilling comprises a well mouth supporting frame, a telescopic motor, a telescopic frame, a downhole motor, a rotating connecting shaft, a fixed supporting structure, a cleaning disc and a converting shaft, wherein the well mouth supporting frame is fixedly connected with a well mouth, the telescopic frame is of a multi-section telescopic structure, the top end of the telescopic frame is fixedly connected with the well mouth supporting frame, the telescopic motor is fixed at the center of the well mouth supporting frame and drives the telescopic frame to stretch, the bottom end of the telescopic frame is fixedly connected with the downhole motor, the rotating connecting shaft comprises an inner pipe and an outer pipe, the upper end of the outer pipe is fixedly connected with the bottom end of the telescopic frame, the lower end of the outer pipe is fixedly connected with the fixed supporting structure, the upper end of the inner pipe is fixedly connected with an output shaft of the downhole motor, the middle of the inner pipe penetrates through the fixed supporting structure, the cleaning disc comprises an upper, the upper end of the coaxial reverse cleaning structure is fixedly connected with the lower end of the fixed supporting structure, and the lower part of the inner pipe drives the coaxial reverse cleaning structure to rotate.
Preferably, fixed bearing structure includes switching tube, screw thread stay tube, support lamella and bearing structure shell, the switching pipe box is established and is fixed in the inner tube is outside, the switching pipe overlaps in upper portion in the screw thread stay tube and with the screw thread stay tube cooperation is connected, screw thread stay tube outer wall upper portion be provided with the screw thread and with bearing structure shell upper portion screw thread is connected, screw thread stay tube lower part be the toper structure and with the support lamella cooperation forms and bulldozes bearing structure, the bearing structure shell with outer tube fixed connection and side are provided with a plurality of support lamella elastic tanks, support lamella middle part with support lamella elastic tank connect and inner with the toper structure of screw thread stay tube lower part forms the cooperation structure.
Preferably, the switching tube comprises a switching base tube, a guide groove, ratchet blocks and an annular movable groove, the switching base tube is of a hollow tubular structure, the annular movable groove is arranged in the switching base tube to form an annular groove structure, the ratchet blocks are arranged in the annular movable groove and connected with the switching base tube, the guide grooves are arranged along the outer circumference of the upper part of the switching base tube and communicated with the annular movable groove, and lower outlets of the guide groove are matched with the ratchet blocks in the vertical direction to form a rotary lifting channel; the threaded supporting tube comprises a guide block, a conical supporting block and a tube wall, wherein external threads are arranged outside the tube wall, a plurality of guide blocks are arranged on the upper portion of the inner wall, the guide blocks are matched with the corresponding guide grooves and slide along the vertical direction, the guide blocks are matched with the annular movable grooves and slide along the circumferential direction, the bottom of the threaded supporting tube is fixedly connected with the conical supporting block, and the conical supporting block is matched with the supporting petals to form a conical supporting structure; the supporting structure shell is characterized in that a shell threaded pipe is fixedly connected to the center of the top of the supporting structure shell, a threaded groove is formed in the shell threaded pipe, and the shell threaded pipe is in threaded connection with the threaded supporting pipe.
Preferably, the coaxial reverse cleaning structure comprises an upper cleaning disc, a conversion shaft and a lower cleaning disc which are coaxially connected, the top of the conversion shaft is fixedly connected with the bottom of the fixed supporting structure, and the inner pipe penetrates through the conversion shaft and drives the upper cleaning disc and the lower cleaning disc to rotate; the conversion shaft comprises an upper gear plate, a lower gear plate, a conversion gear and a fixed shaft, wherein the upper gear plate is fixedly connected with the upper cleaning plate, the lower gear plate is fixedly connected with the lower cleaning plate, the top of the fixed shaft is fixedly connected with the bottom of a fixed supporting structure, a plurality of rotating shafts are arranged in the middle of the fixed shaft in the circumferential direction, a corresponding conversion gear is sleeved on each rotating shaft, the bottom of the fixed shaft protrudes to form a step, the lower cleaning plate is in stepped fit, the upper tooth surface and the lower tooth surface of the conversion gear are respectively meshed with the upper gear plate and the lower gear plate, the upper gear plate, the conversion gear and the lower gear plate form a coaxial reverse rotating structure, and the inner pipe penetrates through the fixed shaft and is fixedly connected with the lower gear plate.
Preferably, the outer part of the rotating shaft in the middle of the fixed shaft is fixedly connected with a tubular outer cover, and the outer cover is in close contact connection with the upper cleaning disc and the lower cleaning disc
Preferably, the telescopic frame can be replaced by coiled tubing equipment, the coiled tubing equipment comprises a coiled tubing frame with a roller structure and coiled tubing wound on the coiled tubing frame, the coiled tubing frame is fixedly connected with the wellhead supporting frame, and the coiled tubing penetrates through the wellhead supporting frame and is fixedly connected with the downhole motor.
Preferably, the rotating connecting shaft comprises an outer pipe, an inner pipe, a flow injection pipe and a flow guide connecting part, the top of the flow guide connecting part is fixedly connected with an output shaft of the underground motor, the outer pipe is fixedly connected with a shell of the underground motor, the flow guide connecting part is fixedly connected with the inner pipe, and the flow injection pipe is fixed on the wall of the outer pipe and communicated with the inner pipe; the water conservancy diversion connecting portion include water conservancy diversion blade axle and a plurality of inner tube spliced pole, water conservancy diversion blade axle top with the output shaft fixed connection of motor in the pit, water conservancy diversion blade axle lower part is turbine blade structure, every inner tube spliced pole top with water conservancy diversion blade axle fixed connection and bottom with inner tube fixed connection.
Preferably, the bottom of the inner pipe is closed and provided with a plurality of steam nozzles, the steam nozzles are arranged in a multilayer spiral shape, and the injection pipe is connected with a steam pipeline.
Compared with the prior art, the invention has the following advantages:
this device is easy and simple to handle, and each structure is the design that integrates, can conveniently dismantle and change, can provide a stable operating condition for downhole motor through fixed bearing structure, can be disposable eliminate the blockage in a section region through the expansion bracket, can carry out the clearance of more degree of depth to blockage or wax deposition position through setting up coaxial reverse cleaning structure.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the fixed support structure and the coaxial reverse sweeping structure;
FIG. 3 is a view of a fixed support structure;
FIG. 4 is a view of a coaxial reverse sweeping configuration;
FIG. 5 is a coiled tubing pattern diagram of the present invention;
FIG. 6 is a schematic view of a rotary connecting shaft;
in the figure: 1-wellhead support frame, 2-telescopic motor, 3-telescopic frame, 4-downhole motor, 5-rotary connecting shaft, 51-outer tube, 52-inner tube, 53-injection tube, 54-guide connecting part, 541-guide vane shaft, 542-inner tube connecting column, 6-fixed support structure, 61-switching tube, 611-switching base tube, 612-guide groove, 613-ratchet block, 614-annular movable groove, 62-thread support tube, 621-guide block, 622-conical support block, 623-tube wall, 63-support flap, 64-support structure shell, 641-shell thread tube, 642-support flap elastic groove, 7-cleaning disk, 71-upper cleaning disk, 72-lower cleaning disk, 8-switching shaft, 81-fixed shaft, 82-upper gear plate, 83-conversion gear, 84-lower gear plate, 85-outer cover, 9-steam nozzle, 10-steam pipeline, 11-coiled tubing rack and 12-coiled tubing.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
Example one
Referring to fig. 1 and 2, an oilfield drilling well wall dredging and cleaning mechanism comprises a well mouth support frame 1, a telescopic motor 2, a telescopic frame 3, a downhole motor 4, a rotating connecting shaft 5, a fixed support structure 6, a cleaning disc 7 and a converting shaft 8, wherein the well mouth support frame 1 is fixedly connected with a well mouth, the telescopic frame 3 is of a multi-section telescopic structure, the top end of the telescopic frame 3 is fixedly connected with the well mouth support frame 1, the telescopic motor 2 is fixed in the center of the well mouth support frame 1 and drives the telescopic frame 3 to stretch, the bottom end of the telescopic frame 3 is fixedly connected with the downhole motor 4, the rotating connecting shaft 5 comprises an inner pipe 52 and an outer pipe 51, the upper end of the outer pipe 51 is fixedly connected with the bottom end of the telescopic frame 3, the lower end of the outer pipe is fixedly connected with the fixed support structure 6, the upper end of the inner pipe 52 is fixedly connected with an output shaft of the downhole motor 4, the middle of the inner pipe, the upper end of the coaxial reverse cleaning structure is fixedly connected with the lower end of the fixed supporting structure 6, and the lower part of the inner tube 52 drives the coaxial reverse cleaning structure to rotate.
The working principle is as follows:
1. when the dredging operation is needed, the telescopic motor 2 is started, and the telescopic frame 3 is controlled to extend towards the inside of the well hole.
2. And after reaching the designated position, starting the underground motor 4, controlling the fixed supporting structure 6 to operate, and fixing the underground position and the well hole position.
3. The downhole motor 4 continues to operate to drive the cleaning disc 7 to operate and dredge the blockage.
4. After the blockage at the blockage site is removed, the downhole motor 4 rotates in the reverse direction, and the fixed support structure 6 is controlled to be released so as to be disengaged from the fixed position.
5. And starting the telescopic motor 2, controlling the telescopic frame 3 to continue to extend downwards, and then repeating the operation above until the clearance of the blocked part of the well hole is finished.
6. The telescopic motor 2 controls the telescopic frame 3 to contract upwards, the telescopic frame 3 drives the underground part to move upwards together, when the underground part reaches the highest point, the telescopic motor 2 is closed, the underground part is taken out for maintenance, and the dredging operation of the wheel is finished.
This device is easy and simple to handle, and each structure is the design that integrates, can conveniently dismantle and change, can provide a stable operating condition for downhole motor 4 through fixed bearing structure 6, through the stopper in the telescopic bracket 3 can disposable elimination section region, can carry out the clearance of more degree of depth to stopper or wax deposition position through setting up coaxial reverse cleaning structure.
Example two
Referring to fig. 1, 2 and 3, the same as the first embodiment, except that the fixed supporting structure 6 includes a switching tube 61, a threaded supporting tube 62, supporting flaps 63 and a supporting structure casing 64, the switching tube 61 is sleeved and fixed outside the inner tube 52, the switching tube 61 is sleeved and fixed inside the threaded supporting tube 62 and is connected with the threaded supporting tube 62 in a matching manner, the upper portion of the outer wall of the threaded supporting tube 62 is provided with threads and is connected with the upper portion of the supporting structure casing 64 in a threaded manner, the lower portion of the threaded supporting tube 62 is of a tapered structure and is matched with the supporting flaps 63 to form a pushing and supporting structure, the supporting structure casing 64 is fixedly connected with the outer tube 51 and is provided with a plurality of supporting flap elastic grooves 642 on the side surface, the middle portion of the supporting flaps 63 is connected with the supporting flap elastic grooves 642 and the inner.
The working principle is as follows:
1. the downhole motor 4 is started to drive the inner pipe 52 to rotate, the inner pipe 52 rotates to drive the switching pipe 61 to rotate, and the switching pipe 61 drives the thread support pipe 62 to rotate.
2. The threaded support tube 62 moves downward as the threaded support tube 62 is threaded into the support structure housing 64.
3. The tapered structure at the lower portion of threaded support tube 62 cooperates with support petals 63 and the downward force of the tapered structure pushes support petals 63 outward and into engagement with the wellbore.
This structure becomes the thrust of horizontal direction through the rotation with motor 4 in the pit to mode locking through the screw thread connection can avoid effectively under the condition of emergence vibrations etc. and support lamella 63 kick-backs and take place fixed not hard up, and stable in structure is practical.
EXAMPLE III
Referring to fig. 1, 2 and 3, the switching tube 61 is substantially the same as the second embodiment except that the switching base tube 611, the guide groove 612, the ratchet block 613 and the annular movable groove 614 are included, the switching base tube 611 is a hollow tubular structure, the annular movable groove 614 is formed in the switching base tube 611 to form an annular groove structure, the plurality of ratchet blocks 613 are disposed in the annular movable groove 614 and connected to the switching base tube 611, the plurality of guide grooves 612 are disposed along the upper outer circumference of the switching base tube 611 and communicate with the annular movable groove 614, and the lower outlets of the guide grooves 612 cooperate with the ratchet block 613 in the vertical direction to form a rotary ascending and descending channel;
the threaded support tube 62 comprises a guide block 621, a conical support block 622 and a tube wall 623, wherein an external thread is arranged outside the tube wall 623, a plurality of guide blocks 621 are arranged on the upper part of the inner wall of the tube wall 623, the guide blocks 621 are matched with the corresponding guide grooves 612 and slide along the vertical direction, the guide blocks 621 are matched with the annular movable grooves 614 and slide along the circumferential direction, the bottom of the threaded support tube 62 is fixedly connected with the conical support block 622, and the conical support block 622 is matched with the support petals 63 to form a conical support structure;
the center of the top of the supporting structure shell 64 is fixedly connected with a shell threaded pipe 641, a threaded groove is arranged inside the shell threaded pipe 641, and the shell threaded pipe 641 is in threaded connection with the threaded supporting pipe 62.
The working principle is as follows:
1. the downhole motor 4 is started to drive the inner tube 52 to rotate, the inner tube 52 rotates to drive the switching tube 61 to rotate, the guide block 621 inside the thread support tube 62 is located in the guide groove 612 of the switching tube 61, and the switching tube 61 drives the thread support tube 62 to rotate through the guide block 621.
2. The threaded support tube 62 moves downward under the action of the threaded connection of the support structure housing 64, the guide block 621 moves downward together and enters the annular movable groove 614, the rotation of the guide block 621 is not hindered due to the unidirectional arrangement of the ratchet block 613, and the tapered support block 622 at the bottom of the threaded support tube 62 pushes the support petals 63 away completely and contacts the borehole to support and fix the downhole device.
3. The screw support tube 62 drives the guide block 621 to rotate in the annular movable groove 614, and the switching tube 61 and the screw support tube 62 are released from the clamping structure and can rotate freely without resistance.
4. When the downhole device needs to be moved, the downhole motor 4 is started to rotate reversely to drive the threaded support tube 62 to rotate reversely, at this time, the guide block 621 and the ratchet block 613 inside the threaded support tube 62 generate a reverse rotation position, and the switching tube 61 drives the threaded support tube 62 to rotate reversely.
5. The threaded support tube 62 moves upwardly under the action of the threaded connection with the support structure housing 64, the conical support block 622 simultaneously moves upwardly and the support petals 63 retract under the action of spring force.
The structure forms a rotary lifting channel through the matching of the guide groove 612, the annular movable groove 614, the ratchet block 613 and the guide block 621, can realize the conversion between a fixed support state and a normal operation state through simple rotation direction conversion, and is simple and convenient to operate.
Example four
Referring to fig. 1, 2, 3 and 4, the same as the first embodiment, except that the coaxial reverse cleaning structure comprises an upper cleaning disc 71, a switching shaft 8 and a lower cleaning disc 72 which are coaxially connected, the top of the switching shaft 8 is fixedly connected with the bottom of the fixed supporting structure 6, the inner pipe 52 penetrates through the switching shaft 8 and drives the upper cleaning disc 71 and the lower cleaning disc 72 to rotate;
the conversion shaft 8 comprises an upper gear disc 82, a lower gear disc 84, a conversion gear 83 and a fixed shaft 81, wherein the upper gear disc 82 is fixedly connected with the upper cleaning disc 71, the lower gear disc 84 is fixedly connected with the lower cleaning disc 72, the top of the fixed shaft 81 is fixedly connected with the bottom of the fixed supporting structure 6, a plurality of rotating shafts are arranged in the middle of the fixed shaft 81 in the circumferential direction, each rotating shaft is sleeved with one corresponding conversion gear 83, the bottom end of the fixed shaft 81 protrudes to form a step and forms step fit with the lower cleaning disc 72, the inner tube 52 penetrates through the fixed shaft 81 and is fixedly connected with the lower gear disc 84, the upper tooth surface and the lower tooth surface of each conversion gear 83 are respectively meshed with the upper gear disc 82 and the lower gear disc 84, and the upper gear disc 82, the conversion gear 83 and the lower.
The working principle is as follows:
the fixed shaft 81 is fixedly connected with the fixed supporting structure 6 above, the inner tube 52 inside the fixed shaft 81 and the lower gear plate 84 fixedly drive the lower gear plate 84 to rotate, the lower gear plate 84 drives the lower cleaning plate 72 to rotate, the lower gear plate 84 drives the meshed conversion gear 83 to rotate, the conversion gear 83 drives the meshed upper gear plate 82 to rotate reversely, the upper gear plate 82 drives the upper cleaning plate 71 to rotate reversely, and therefore coaxial reverse rotation of the upper cleaning plate 71 and the lower cleaning plate 72 is achieved.
EXAMPLE five
Referring to fig. 1, 2, 3 and 4, the same as the fourth embodiment, except that a tubular housing 85 is fixedly connected to the outside of the central rotating shaft of the fixed shaft 81, and the housing 85 is connected to the upper cleaning plate 71 and the lower cleaning plate 72 in a sealing contact manner.
EXAMPLE six
Referring to fig. 5, basically the same as the first embodiment, except that the telescopic frame 3 may be replaced by a coiled tubing 12 device, the coiled tubing 12 device includes a coiled tubing frame 1111 of a roller structure and coiled tubing 12 wound on the coiled tubing frame 1111, the coiled tubing frame 1111 is fixedly connected to the wellhead support frame 1, and the coiled tubing 12 passes through the wellhead support frame 1 and is fixedly connected to the downhole motor 4.
Through replacing 3 expansion brackets with 12 devices of coiled tubing, the existing oilfield equipment can be fully utilized, the downward exploration depth of a well bore is greatly increased, and the dredging with larger depth can be realized.
EXAMPLE seven
Referring to fig. 1, 2 and 6, the same as the first embodiment, except that the rotary connecting shaft 5 includes an outer tube 51, an inner tube 52, a flow injection tube 53 and a flow guide connecting part 54, the outer tube 51 is fixedly connected with the housing of the downhole motor 4, the top of the flow guide connecting part 54 is fixedly connected with the output shaft of the downhole motor 4, the flow guide connecting part 54 is fixedly connected with the inner tube 52, and the flow injection tube 53 is fixed on the wall of the outer tube 51 and communicated with the inner tube 52;
the guide connection portion 54 includes a guide vane shaft 541 and a plurality of inner tube connection columns 542, the top of the guide vane shaft 541 is fixedly connected with an output shaft of the downhole motor 4, the lower portion of the guide vane shaft 541 is of a turbine blade structure, and the top end of each inner tube connection column 542 is fixedly connected with the guide vane shaft 541 and the bottom end is fixedly connected with the inner tube 52.
The working principle is as follows:
the output shaft of the downhole motor 4 drives the diversion connecting part 54 to rotate, the diversion blade shaft 541 pushes out the fluid of the injection pipe 53 downwards, and meanwhile, the diversion connecting part 54 is connected with the inner pipe 52 through the inner pipe connecting column 542 to drive the inner pipe 52 to rotate and transmit power to a structure below.
Example eight
Referring to fig. 1, 2 and 6, the embodiment is substantially the same as the eighth embodiment, except that the inner tube 52 is closed at the bottom and is provided with a plurality of steam vents 9, the steam vents 9 are arranged in a multi-layer spiral shape, and the injection tube 53 is fixedly connected with the external steam pipeline 10.
Can carry the ground bottom with the high temperature high pressure steam on ground through setting up steam spout 9, dissolve the jam material through the heat transfer of steam to the jam material to convenient follow-up cleaning.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention, and the contents of the changes still fall within the scope of the present invention.
Claims (8)
1. The utility model provides an oil field drilling wall of a well mediation cleans mechanism which characterized in that: the underground electric cleaning device comprises a wellhead supporting frame, a telescopic motor, a telescopic frame, an underground motor, a rotating connecting shaft, a fixed supporting structure, a cleaning disc and a converting shaft, wherein the wellhead supporting frame is fixedly connected with a wellhead, the telescopic frame is of a multi-section telescopic structure, the top end of the telescopic frame is fixedly connected with the wellhead supporting frame, the telescopic motor is fixed at the center of the wellhead supporting frame and drives the telescopic frame to stretch, the bottom end of the telescopic frame is fixedly connected with the underground motor, the rotating connecting shaft comprises an inner pipe and an outer pipe, the upper end of the outer pipe is fixedly connected with the bottom end of the telescopic frame, the lower end of the outer pipe is fixedly connected with the fixed supporting structure, the upper end of the inner pipe is fixedly connected with an output shaft of the underground motor, the middle of the inner pipe penetrates through the fixed supporting structure, the cleaning disc comprises an upper cleaning disc, the upper end of the coaxial reverse cleaning structure is fixedly connected with the lower end of the fixed supporting structure, and the lower part of the inner pipe drives the coaxial reverse cleaning structure to rotate.
2. The oilfield drilling well wall dredging and cleaning mechanism of claim 1, wherein the oilfield drilling well wall dredging and cleaning mechanism comprises: fixed bearing structure includes switching tube, screw thread stay tube, support lamella and bearing structure shell, the switching pipe box is established and is fixed in the inner tube is outside, the switching pipe overlaps in upper portion in the screw thread stay tube and with the screw thread stay tube cooperation is connected, screw thread stay tube outer wall upper portion be provided with the screw thread and with bearing structure shell upper portion screw thread is connected, screw thread stay tube lower part for the toper structure and with the support lamella cooperation forms and bulldozes bearing structure, the bearing structure shell with outer tube fixed connection and side are provided with a plurality of support lamella elastic tanks, support lamella middle part with support lamella elastic tank connect and inner with the toper structure of screw thread stay tube lower part forms the cooperation structure.
3. The oilfield drilling well wall dredging and cleaning mechanism of claim 2, wherein the oilfield drilling well wall dredging and cleaning mechanism comprises: the switching tube comprises a switching base tube, a guide groove, ratchet blocks and an annular movable groove, the switching base tube is of a hollow tubular structure, the annular movable groove is arranged in the switching base tube to form an annular groove structure, the ratchet blocks are arranged in the annular movable groove and connected with the switching base tube, the guide grooves are arranged along the outer circumference of the upper part of the switching base tube and communicated with the annular movable groove, and the lower outlets of the guide groove are matched with the ratchet blocks in the vertical direction to form a rotary lifting channel;
the threaded supporting tube comprises a guide block, a conical supporting block and a tube wall, wherein external threads are arranged outside the tube wall, a plurality of guide blocks are arranged on the upper portion of the inner wall, the guide blocks are matched with the corresponding guide grooves and slide along the vertical direction, the guide blocks are matched with the annular movable grooves and slide along the circumferential direction, the bottom of the threaded supporting tube is fixedly connected with the conical supporting block, and the conical supporting block is matched with the supporting petals to form a conical supporting structure;
the supporting structure shell is characterized in that a shell threaded pipe is fixedly connected to the center of the top of the supporting structure shell, a threaded groove is formed in the shell threaded pipe, and the shell threaded pipe is in threaded connection with the threaded supporting pipe.
4. The oilfield drilling well wall dredging and cleaning mechanism of claim 1, wherein the oilfield drilling well wall dredging and cleaning mechanism comprises: the coaxial reverse cleaning structure comprises an upper cleaning disc, a conversion shaft and a lower cleaning disc which are coaxially connected, the top of the conversion shaft is fixedly connected with the bottom of the fixed supporting structure, and the inner pipe penetrates through the conversion shaft and drives the upper cleaning disc and the lower cleaning disc to rotate;
the utility model discloses a gear wheel dish, including fixed axle, conversion shaft, upper gear wheel dish and upper cleaning dish fixed connection, lower gear wheel dish with lower cleaning dish fixed connection, the fixed axle top with fixed bearing structure bottom fixed connection, the outer circumferencial direction in fixed axle middle part is provided with many pivots, and the cover is equipped with a conversion gear that corresponds in the every pivot, the protruding step that forms in fixed axle bottom and with lower cleaning dish forms the ladder cooperation, the inner tube runs through the fixed axle and with lower gear wheel dish fixed connection, the flank of tooth respectively with upper gear wheel dish and lower gear wheel mesh mutually about the conversion gear, upper gear wheel dish, conversion gear and lower gear wheel dish form coaxial reverse rotation structure.
5. The oilfield drilling well wall dredging and cleaning mechanism of claim 4, wherein the oilfield drilling well wall dredging and cleaning mechanism comprises: the outer part of the rotating shaft in the middle of the fixed shaft is fixedly connected with a tubular outer cover, and the outer cover is in close contact connection with the upper cleaning disc and the lower cleaning disc.
6. The oilfield drilling well wall dredging and cleaning mechanism of claim 1, wherein the oilfield drilling well wall dredging and cleaning mechanism comprises: the telescopic frame can be replaced by coiled tubing equipment, the coiled tubing equipment comprises a coiled tubing frame with a roller structure and coiled tubing wound on the coiled tubing frame, the coiled tubing frame is fixedly connected with the wellhead supporting frame, and the coiled tubing penetrates through the wellhead supporting frame and is fixedly connected with the underground motor.
7. The oilfield drilling well wall dredging and cleaning mechanism of claim 1, wherein the oilfield drilling well wall dredging and cleaning mechanism comprises: the rotating connecting shaft comprises an outer pipe, an inner pipe, a flow injection pipe and a flow guide connecting part, the outer pipe is fixedly connected with a shell of the underground motor, the top of the flow guide connecting part is fixedly connected with an output shaft of the underground motor, the flow guide connecting part is fixedly connected with the inner pipe, and the flow injection pipe is fixed on the wall of the outer pipe and communicated with the inner pipe;
the water conservancy diversion connecting portion include water conservancy diversion blade axle and a plurality of inner tube spliced pole, water conservancy diversion blade axle top with the output shaft fixed connection of motor in the pit, water conservancy diversion blade axle lower part is turbine blade structure, every inner tube spliced pole top with water conservancy diversion blade axle fixed connection and bottom with inner tube fixed connection.
8. The oilfield drilling well wall dredging and cleaning mechanism of claim 7, wherein the oilfield drilling well wall dredging and cleaning mechanism comprises: the bottom of the inner pipe is closed and provided with a plurality of steam nozzles, the steam nozzles are arranged in a multilayer spiral shape, and the injection pipe is connected with a steam pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110391387.8A CN112901116B (en) | 2021-04-13 | 2021-04-13 | Oil field well drilling wall of a well mediation cleans mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110391387.8A CN112901116B (en) | 2021-04-13 | 2021-04-13 | Oil field well drilling wall of a well mediation cleans mechanism |
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| CN112901116B CN112901116B (en) | 2022-11-18 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273109A (en) * | 1991-01-11 | 1993-12-28 | Napoleon Arizmendi | Retrievable packer |
| CN205135558U (en) * | 2015-12-09 | 2016-04-06 | 杨东伟 | Wall of a well cleaning device for well drilling |
| CN211038586U (en) * | 2019-12-03 | 2020-07-17 | 薄纯星 | Environment-friendly cleaning device based on oil field downhole operation |
| CN211201880U (en) * | 2019-10-28 | 2020-08-07 | 王恒 | Well wall cleaning device for well drilling |
| CN212803168U (en) * | 2020-08-03 | 2021-03-26 | 康春光 | Cleaning device for inner wall of underground coal mine well |
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2021
- 2021-04-13 CN CN202110391387.8A patent/CN112901116B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273109A (en) * | 1991-01-11 | 1993-12-28 | Napoleon Arizmendi | Retrievable packer |
| CN205135558U (en) * | 2015-12-09 | 2016-04-06 | 杨东伟 | Wall of a well cleaning device for well drilling |
| CN211201880U (en) * | 2019-10-28 | 2020-08-07 | 王恒 | Well wall cleaning device for well drilling |
| CN211038586U (en) * | 2019-12-03 | 2020-07-17 | 薄纯星 | Environment-friendly cleaning device based on oil field downhole operation |
| CN212803168U (en) * | 2020-08-03 | 2021-03-26 | 康春光 | Cleaning device for inner wall of underground coal mine well |
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| Title |
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| 房德泉等: "水力―机械联合井下套管除垢技术研究", 《科技资讯》 * |
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| CN112901116B (en) | 2022-11-18 |
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