CN112814590A - Automatic dismounting equipment and method for underground coiled tubing support casing - Google Patents
Automatic dismounting equipment and method for underground coiled tubing support casing Download PDFInfo
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- CN112814590A CN112814590A CN202110018650.9A CN202110018650A CN112814590A CN 112814590 A CN112814590 A CN 112814590A CN 202110018650 A CN202110018650 A CN 202110018650A CN 112814590 A CN112814590 A CN 112814590A
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- coiled tubing
- motor
- plate
- guide
- support sleeve
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/22—Handling reeled pipe or rod units, e.g. flexible drilling pipes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
Abstract
The automatic dismantling equipment for the underground coiled tubing support sleeve comprises an automatic dismantling device, an industrial personal computer, a coiled tubing conveying system and a hoisting system; the automatic dismounting device comprises a base, wherein the base comprises an upper plate and a lower plate which are fixedly connected through a plurality of support columns, coiled tubing through holes are correspondingly formed in the upper plate and the lower plate, the coiled tubing penetrates through the coiled tubing through holes, and all support sleeves wrap the outer side of the coiled tubing; in conclusion, the automatic dismounting device for the underground coiled tubing extrusion molding type support sleeve realizes automatic dismounting of the extrusion molding type support sleeve, does not interrupt the pulling-out action of the coiled tubing from the underground, and is beneficial to improving the working efficiency; the supporting sleeve is formed by extruding a simple leveling plate, penetrates a continuous oil pipe and a sleeve gap through the thimble, is propped open by a mode of cooperatively controlling the spatial direction of the thimble, and is leveled by a metal forming mode to realize recovery and reuse.
Description
Technical Field
The invention belongs to the field of petroleum exploitation auxiliary equipment, and particularly relates to automatic dismantling equipment and a dismantling method for an underground coiled tubing support sleeve.
Background
The Coiled Tubing (CT) is also called flexible tubing, coiled tubing or coiled tubing, and refers to a jointless coiled tubing which can be wound on a large-diameter electric reel and is formed by connecting a plurality of sections of steel strips in an inclined manner, rolling, forming and welding. The continuous oil pipe with the characteristics of high strength and high toughness has the appearance as a cable which is coiled up to more than two meters, and has the advantages of improved automation, good maneuverability, safer, more efficient and environment-friendly operation, and is widely applied to the fields of various oil and gas operations in the last twenty years after being applied to the oil industry; however, when the coiled tubing is worked in the well, the coiled tubing is easy to bend in the well due to the problem of self strength, so that the construction cannot be normally carried out.
The outer layer of the underground coiled tubing is nested with the support sleeve, so that the bending resistance of the coiled tubing can be greatly improved, and the coiled tubing is allowed to extend into a deeper underground hole for working; this technique is mainly with split type semicircle external member form at present, a series of manufacturing procedure need be accomplished to the sleeve pipe of this kind of form before the field installation, make it form two semi-cylindrical sleeve pipes that can the butt joint installation, need rely on the mechanical structure realization of complicacy on the sleeve pipe when the butt joint, how to unlock the mechanical structure of complicacy need be considered when dismantling, the sleeve pipe mechanical structure of this kind of form is too complicated, and the handling capacity is big, the cycle length of processing, high cost, be unfavorable for the site operation, also do not benefit to popularization and application, consequently, need one kind to need not complicated machining urgently, can accomplish the shaping at the scene, the installation, the flat board-like support sleeve pipe of dismantlement and automatic demolishment equipment and demol.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides automatic dismounting equipment and a dismounting method for an underground coiled tubing support sleeve, wherein the automatic dismounting equipment can automatically dismount an extrusion molding type support sleeve without interrupting the action of pulling a coiled tubing out of a well.
In order to solve the technical problems, the invention adopts the following technical scheme: the automatic dismantling equipment for the underground coiled tubing support casing and the dismantling method thereof comprise an automatic dismantling device, an industrial personal computer, a coiled tubing conveying system and a hoisting system;
the automatic dismounting device comprises a base, the base comprises an upper plate and a lower plate, the upper plate and the lower plate are fixedly connected through a plurality of support columns, coiled tubing through holes are correspondingly formed in the upper plate and the lower plate, the coiled tubing penetrates through the coiled tubing through holes, all support sleeves wrap the outer side of the coiled tubing, the support sleeves are arranged at intervals from top to bottom and are formed by bending rectangular flattening plates, three round holes are respectively formed in two side edges of each flattening plate, a lifting system is a lifting operation vehicle, a suspension arm of the lifting operation vehicle is connected with a coiled tubing injector through a lifting rope, a coiled tubing conveying system comprises a conveying operation vehicle and an electric winding drum, the electric winding drum is installed on the conveying operation vehicle, and the coiled tubing penetrates through the coiled tubing injector upwards and then is wound on the electric winding drum;
the upper plate is provided with a distraction system, a guide system, a grabbing system, a leveling system and a recovery system, and the industrial personal computer is respectively connected with the distraction system, the guide system, the grabbing system, the leveling system and the recovery system.
The opening system comprises a guide gear ring and an installation rod, the guide gear ring and the installation rod are fixed on the upper plate, the guide gear ring and the coiled tubing through hole are coaxially arranged, two sets of opening parts are installed on the guide gear ring, the two sets of opening parts can rotate around the guide gear ring and are symmetrically arranged about the circle center of the guide gear ring, an ultrasonic distance measuring machine is installed on the installation rod, and the ultrasonic distance measuring machine is connected with the industrial personal computer through a line.
Each group of the spreading pieces comprises a sliding seat, the sliding seat is mounted on a guide gear ring and can rotate around the guide gear ring, a first motor and a second motor are mounted on the sliding seat, a gear is mounted on a main shaft of the first motor and is meshed with the guide gear ring, a vertical rod is vertically upwards fixed on a main shaft of the second motor, three groups of shifting pieces are mounted on the vertical rod and are arranged at intervals up and down, each group of the shifting pieces comprises a first linear electric cylinder, an ejector pin is fixed at the end part of a push rod of the first linear electric cylinder, and the ejector pin is perpendicular to the vertical rod;
the first motor, the second motor and the first linear electric cylinder are all connected with the industrial personal computer through lines.
The guide systems are provided with two groups, one group of guide systems is arranged on the upper surface of the lower plate, the other group of guide systems is arranged on the bottom surface of the coiled tubing injector, the two groups of guide systems are arranged up and down symmetrically, the guide system positioned above the guide systems comprises an installation ring, an encoder and four guide wheels, the bottom surface of the installation ring is fixedly provided with four installation parts, the four guide wheels are respectively and rotatably arranged on the four installation parts, and the encoder is arranged on one installation part and is in transmission connection with the guide wheels;
the coiled tubing passes through the mounting rings of the two sets of guide systems.
The grabbing system comprises a rack, a top plate is arranged at the top of the rack, a sliding rail is arranged on the bottom surface of the top plate, a sliding block is slidably mounted on the sliding rail, a third motor is mounted on the sliding block, the third motor drives the sliding block to move along the sliding rail through a gear-rack pair, a second linear electric cylinder is mounted at the bottom of the sliding block, a fourth motor is mounted at the end of a push rod of the second linear electric cylinder, a manipulator is mounted on a main shaft of the fourth motor, and the fourth motor is used for rotating the manipulator;
the third motor, the second linear electric cylinder, the fourth motor and the manipulator are all connected with the industrial personal computer through lines.
The leveling system comprises a mounting seat fixed on the upper plate, a third linear electric cylinder is mounted on the mounting seat, an active pressing plate is fixed at the end of a push rod of the third linear electric cylinder, a passive pressing plate is fixed on the upper plate, the active pressing plate and the passive pressing plate are parallel to each other, and the third linear electric cylinder is connected with an industrial personal computer through a circuit.
The recovery system comprises a recovery material plate, four cylinders are fixed on the recovery material plate, and the cylinders are arranged along the horizontal direction.
The method for dismounting the automatic dismounting equipment of the underground coiled tubing support casing comprises the following steps:
(1) the automatic dismounting device is arranged at the periphery of a wellhead, so that the coiled tubing sequentially passes through the mounting rings of the two groups of guide systems, and the two groups of guide systems are positioned right above the wellhead;
(2) transporting the hoisting operation vehicle and the conveying operation vehicle to a specified position, then enabling the coiled tubing penetrating through the mounting ring to penetrate through the coiled tubing injector, and finally winding the coiled tubing on an electric winding drum of the conveying operation vehicle;
(3) the electric reel rotates, the coiled tubing is pulled upwards, the support sleeve rises along with the coiled tubing, and the ultrasonic distance measuring machine monitors the radius difference between the support sleeve and the coiled tubing and sends a signal to the industrial personal computer;
(4) after receiving the signal, the industrial personal computer commands the two groups of opening pieces to open the support sleeve;
(5) after the support sleeve is unfolded, the industrial personal computer sends an instruction to start the second linear electric cylinder and the mechanical arm, the second linear electric cylinder extends out, the mechanical arm starts to grab the unfolded support sleeve downwards, and the two groups of unfolding parts are restored to the initial positions;
(6) the industrial personal computer commands a third motor, the third motor drives a sliding block to move along the sliding rail through a gear rack pair, and in the moving process, a fourth motor rotates to enable the propped support sleeve to rotate 90 degrees, and the propped support sleeve is positioned between the active pressing plate and the passive pressing plate at the moment;
(7) the industrial personal computer commands a third linear electric cylinder to start, the third linear electric cylinder drives the driving pressing plate to extrude the expanded support sleeve together with the driven pressing plate, and the support sleeve forms a leveling plate after extrusion;
(8) after the extrusion leveling, the third motor continues to drive the sliding block to move towards the direction of the recovery material plate along the sliding rail, and in the process, the fourth motor rotates to enable the leveling plate to rotate 90 degrees, four cylinders on the recovery material plate correspondingly penetrate into four round holes in the leveling plate, and the recovery of the support sleeve is completed;
(9) and (5) continuously lifting the continuous oil pipe, repeating the steps (3) to (8) and finishing the leveling and recovering operation of the rest support sleeves.
The step of opening the support sleeve by the two groups of opening pieces in the step (4) is as follows: the industrial computer orders the two groups of spreading parts to move to the initial position, the first motor works to drive the sliding seat to move along the guide gear ring, until the initial position is reached, the first linear cylinder is started, the first linear cylinder pushes the ejector pin, the ejector pin smoothly penetrates into the round hole of the supporting sleeve, the ejector pin is inserted into a gap between the coiled tubing and the supporting sleeve, the industrial computer sends an instruction at the moment, the first motor is started again, the first motor drives the sliding seat to move to the poking-off position along the guide gear ring, and the supporting sleeve is spread under the poking of the two groups of spreading part ejector pins.
By adopting the technical scheme, the invention has the following beneficial effects: the flat plate type support sleeve is stored in a simple perforated flat plate mode before installation, is extruded and formed on site to be wrapped on a continuous oil pipe during construction, and is fixedly connected with the continuous oil pipe by virtue of friction force, so that the purpose of improving the bending resistance of the continuous oil pipe is achieved, and the flat plate type support sleeve is restored to a flat plate mode by virtue of a metal forming mode during disassembly, so that the repeated utilization is realized, the period of mechanical processing is obviously shortened, and the processing cost is reduced; the automatic dismounting device for the underground coiled tubing extrusion molding type support sleeve realizes automatic dismounting of the extrusion molding type support sleeve, does not interrupt the pulling-out action of the coiled tubing from the underground, and is beneficial to improving the working efficiency; the supporting sleeve is formed by extruding a simple leveling plate, penetrates a continuous oil pipe and a sleeve gap through the thimble, is propped open by a mode of cooperatively controlling the spatial direction of the thimble, and is leveled by a metal forming mode to realize recovery and reuse.
Drawings
FIG. 1 is a schematic illustration of the present invention in situ;
FIG. 2 is a schematic view of the initial state of the present invention;
FIG. 3 is a side view of the invention in its initial state;
FIG. 4 is a schematic structural view of a guidance system;
FIG. 5 is a schematic view of two sets of struts spreading the support sleeve;
FIG. 6 is a schematic illustration of a support sleeve flattening process;
fig. 7 is a schematic view of the structure of the support sleeve and the leveling plate.
Detailed Description
As shown in fig. 1-7, the automatic dismantling device for the underground coiled tubing support casing comprises an automatic dismantling device 1, an industrial personal computer 100, a coiled tubing conveying system and a hoisting system;
the automatic dismantling device 1 comprises a base, the base comprises an upper plate 2 and a lower plate 3, the upper plate 2 and the lower plate 3 are fixedly connected through a plurality of pillars 4, coiled tubing through holes 5 are correspondingly formed in the upper plate 2 and the lower plate 3, a coiled tubing 6 penetrates through the coiled tubing through holes 5, all supporting sleeves 7 are wrapped outside the coiled tubing 6, all the support sleeves 7 are arranged at intervals up and down, the support sleeves 7 are formed by bending a rectangular flat plate 8, three circular holes 9 are respectively formed in two side edges of the flat plate 8, a hoisting system is a hoisting operation vehicle 10, a suspension arm of the hoisting operation vehicle 10 is connected with a coiled tubing injector 11 through a hoisting rope, a coiled tubing conveying system comprises a conveying operation vehicle 12 and an electric winding drum 13, the electric winding drum 13 is installed on the conveying operation vehicle 12, and the coiled tubing 6 penetrates through the coiled tubing injector 11 upwards and then is wound on the electric winding drum 13;
the upper plate 2 is provided with a stretching system, a guiding system 101, a grabbing system, a leveling system and a recovery system, and the industrial personal computer 100 is respectively connected with the stretching system, the guiding system 101, the grabbing system, the leveling system and the recovery system.
The distraction system comprises a guide gear ring 14 and a mounting rod 15, the guide gear ring 14 and the mounting rod 15 are both fixed on the upper plate 2, the guide gear ring 14 and the coiled tubing through hole 5 are coaxially arranged, two sets of distraction pieces are mounted on the guide gear ring 14, the two sets of distraction pieces can rotate around the guide gear ring 14 and are symmetrically arranged about the circle center of the guide gear ring 14, an ultrasonic range finder 16 is mounted on the mounting rod 15, and the ultrasonic range finder 16 is connected with the industrial personal computer 100 through a line.
Each group of the spreading pieces comprises a sliding seat 17, the sliding seat 17 is installed on the guide gear ring 14 and can rotate around the guide gear ring 14, a first motor 18 and a second motor 19 are installed on the sliding seat 17, a gear is installed on a main shaft of the first motor 18 and is meshed with the guide gear ring 14, a main shaft of the second motor 19 is vertically upward and is fixedly provided with a vertical rod 20, three groups of shifting pieces are installed on the vertical rod 20 and are arranged at intervals up and down, each group of the shifting pieces comprises a first linear electric cylinder 21, a thimble 22 is fixed at the end part of a push rod of the first linear electric cylinder 21, and the thimble 22 is perpendicular to the vertical rod 20;
the first motor 18, the second motor 19 and the first linear electric cylinder 21 are all connected with the industrial personal computer 100 through lines.
The two groups of guide systems 101 are arranged, one group of guide systems 101 is arranged on the upper surface of the lower plate 3, the other group of guide systems 101 is arranged on the bottom surface of the coiled tubing injector 11, the two groups of guide systems 101 are arranged up and down symmetrically, the guide system 101 positioned above comprises an installation ring 23, an encoder 24 and four guide wheels 25, the bottom surface of the installation ring 23 is fixed with four installation parts 26, the four guide wheels 25 are respectively and rotatably arranged on the four installation parts 26, and the encoder 24 is arranged on one installation part 26 and is in transmission connection with the guide wheels 25;
the coiled tubing 6 passes through the mounting rings 23 of the two groups of guide systems 101, the guide wheels 25 ensure normal ascending of the coiled tubing through self rolling, and the encoder is used for recording ascending distance of the coiled tubing.
The grabbing system comprises a rack 27, a top plate 28 is arranged at the top of the rack 27, a sliding rail 29 is arranged on the bottom surface of the top plate 28, a sliding block 30 is installed on the sliding rail 29 in a sliding manner, a third motor 31 is installed on the sliding block 30, the third motor 31 drives the sliding block 30 to move along the sliding rail 29 through a rack-and-pinion, a second linear electric cylinder 32 is installed at the bottom of the sliding block 30, a fourth motor 33 is installed at the end of a push rod of the second linear electric cylinder 32, a manipulator 34 is installed on a main shaft of the fourth motor 33 (for the prior art, detailed description is omitted), and the fourth motor 33 is used for rotating the;
the third motor 31, the second linear electric cylinder 32, the fourth motor 33 and the manipulator 34 are all connected with the industrial personal computer 100 through lines.
The leveling system comprises a mounting seat 35 fixed on the upper plate 2, a third linear electric cylinder 36 is mounted on the mounting seat 35, an active pressing plate 37 is fixed at the end of a push rod of the third linear electric cylinder 36, a passive pressing plate 38 is fixed on the upper plate 2, the active pressing plate 37 is parallel to the passive pressing plate 38, and the third linear electric cylinder 36 is connected with the industrial personal computer 100 through a circuit.
The recovery system comprises a recovery material plate 39, four columns 40 are fixed on the recovery material plate 39, and the columns 40 are arranged along the horizontal direction.
The method for dismounting the automatic dismounting equipment of the underground coiled tubing support casing comprises the following steps:
(1) as shown in fig. 1, the automatic dismantling device 1 is installed around the wellhead so that the coiled tubing 6 sequentially passes through the mounting rings 23 of the two sets of guide systems 101, the two sets of guide systems 101 being located directly above the wellhead;
(2) the hoisting operation vehicle 10 and the conveying operation vehicle 12 are transported to the designated position, the coiled tubing 6 passing through the mounting ring 23 passes through the coiled tubing injector 11, and finally is wound on the electric winding drum 13 of the conveying operation vehicle 12;
(3) the electric reel 13 is driven to rotate, the coiled tubing 6 is pulled upwards, the support sleeve 7 rises along with the coiled tubing 6, and the ultrasonic distance measuring machine 16 monitors the radius difference between the support sleeve 7 and the coiled tubing 6 and sends a signal to the industrial personal computer 100;
(4) after receiving the signal, the industrial personal computer 100 commands the two groups of opening pieces to open the support sleeve 7;
(5) after the support casing 7 is unfolded, the industrial personal computer 100 sends an instruction to start the second linear electric cylinder 32 and the manipulator 34, the second linear electric cylinder 32 extends out, the manipulator 34 starts to grab the unfolded support casing 7 downwards, and the two groups of unfolded parts are restored to the initial positions;
(6) as shown in fig. 6, the industrial personal computer 100 commands the third motor 31, the third motor 31 drives the slider 30 to move along the slide rail 29 through the rack-and-pinion, and during the movement, the fourth motor 33 rotates to rotate the expanded support sleeve 7 by 90 °, and the expanded support sleeve 7 is located between the active pressing plate 37 and the passive pressing plate 38;
(7) the industrial personal computer 100 commands the third linear electric cylinder 36 to start, the third linear electric cylinder 36 drives the active pressing plate 37 to extrude the expanded support sleeve 7 together with the passive pressing plate 38, and the support sleeve 7 forms the flat plate 8 after extrusion, as shown in fig. 7;
(8) after the extrusion leveling, the third motor 31 continues to drive the sliding block 30 to move towards the direction of the recovery material plate 39 along the sliding rail 29, and in the process, the fourth motor 33 rotates to enable the leveling plate 8 to rotate 90 degrees, four cylinders 40 on the recovery material plate 39 correspondingly penetrate through four circular holes 9 on the leveling plate 8, and the recovery of the support sleeve 7 is completed;
(9) and (5) continuously lifting the continuous oil pipe 6, repeating the steps (3) to (8) and finishing the leveling and recovering operation of the rest support sleeves 7.
The step of the two groups of opening pieces opening the support sleeve 7 in the step (4) is as follows: as shown in fig. 2, the industrial personal computer 100 commands the two groups of spreading members to move to the initial position, the first motor 18 operates to drive the sliding base 17 to move along the guide gear ring 14 until the initial position is reached, the first linear electric cylinder 21 is started, the first linear electric cylinder 21 pushes the thimble 22, so that the thimble 22 smoothly penetrates into the circular hole 9 of the support sleeve 7 and is inserted into a gap between the coiled tubing 6 and the support sleeve 7, at this time, the industrial personal computer 100 sends an instruction to restart the first motor 18, the first motor 18 drives the sliding base 17 to move to the spreading position along the guide gear ring 14, and the support sleeve 7 is spread by shifting the two groups of spreading member thimbles 22 as shown in fig. 3.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. The automatic dismantling device for the underground coiled tubing support sleeve is characterized in that: the automatic dismantling device comprises an automatic dismantling device, an industrial personal computer, a coiled tubing conveying system and a hoisting system;
the automatic dismounting device comprises a base, the base comprises an upper plate and a lower plate, the upper plate and the lower plate are fixedly connected through a plurality of support columns, coiled tubing through holes are correspondingly formed in the upper plate and the lower plate, the coiled tubing penetrates through the coiled tubing through holes, all support sleeves wrap the outer side of the coiled tubing, the support sleeves are arranged at intervals from top to bottom and are formed by bending rectangular flattening plates, three round holes are respectively formed in two side edges of each flattening plate, a lifting system is a lifting operation vehicle, a suspension arm of the lifting operation vehicle is connected with a coiled tubing injector through a lifting rope, a coiled tubing conveying system comprises a conveying operation vehicle and an electric winding drum, the electric winding drum is installed on the conveying operation vehicle, and the coiled tubing penetrates through the coiled tubing injector upwards and then is wound on the electric winding drum;
the upper plate is provided with a distraction system, a guide system, a grabbing system, a leveling system and a recovery system, and the industrial personal computer is respectively connected with the distraction system, the guide system, the grabbing system, the leveling system and the recovery system.
2. The automatic demolition apparatus for a downhole coiled tubing support casing of claim 1, wherein: the opening system comprises a guide gear ring and an installation rod, the guide gear ring and the installation rod are fixed on the upper plate, the guide gear ring and the coiled tubing through hole are coaxially arranged, two sets of opening parts are installed on the guide gear ring, the two sets of opening parts can rotate around the guide gear ring and are symmetrically arranged about the circle center of the guide gear ring, an ultrasonic distance measuring machine is installed on the installation rod, and the ultrasonic distance measuring machine is connected with the industrial personal computer through a line.
3. The automatic demolition apparatus of a downhole coiled tubing support casing of claim 2, wherein: each group of the spreading pieces comprises a sliding seat, the sliding seat is mounted on a guide gear ring and can rotate around the guide gear ring, a first motor and a second motor are mounted on the sliding seat, a gear is mounted on a main shaft of the first motor and is meshed with the guide gear ring, a vertical rod is vertically upwards fixed on a main shaft of the second motor, three groups of shifting pieces are mounted on the vertical rod and are arranged at intervals up and down, each group of the shifting pieces comprises a first linear electric cylinder, an ejector pin is fixed at the end part of a push rod of the first linear electric cylinder, and the ejector pin is perpendicular to the vertical rod;
the first motor, the second motor and the first linear electric cylinder are all connected with the industrial personal computer through lines.
4. The automatic demolition apparatus for a downhole coiled tubing support casing of claim 3, wherein: the guide systems are provided with two groups, one group of guide systems is arranged on the upper surface of the lower plate, the other group of guide systems is arranged on the bottom surface of the coiled tubing injector, the two groups of guide systems are arranged up and down symmetrically, the guide system positioned above the guide systems comprises an installation ring, an encoder and four guide wheels, the bottom surface of the installation ring is fixedly provided with four installation parts, the four guide wheels are respectively and rotatably arranged on the four installation parts, and the encoder is arranged on one installation part and is in transmission connection with the guide wheels;
the coiled tubing passes through the mounting rings of the two sets of guide systems.
5. The automatic demolition apparatus for a downhole coiled tubing support casing of claim 4, wherein: the grabbing system comprises a rack, a top plate is arranged at the top of the rack, a sliding rail is arranged on the bottom surface of the top plate, a sliding block is slidably mounted on the sliding rail, a third motor is mounted on the sliding block, the third motor drives the sliding block to move along the sliding rail through a gear-rack pair, a second linear electric cylinder is mounted at the bottom of the sliding block, a fourth motor is mounted at the end of a push rod of the second linear electric cylinder, a manipulator is mounted on a main shaft of the fourth motor, and the fourth motor is used for rotating the manipulator;
the third motor, the second linear electric cylinder, the fourth motor and the manipulator are all connected with the industrial personal computer through lines.
6. The automatic demolition apparatus for a downhole coiled tubing support casing of claim 5, wherein: the leveling system comprises a mounting seat fixed on the upper plate, a third linear electric cylinder is mounted on the mounting seat, an active pressing plate is fixed at the end of a push rod of the third linear electric cylinder, a passive pressing plate is fixed on the upper plate, the active pressing plate and the passive pressing plate are parallel to each other, and the third linear electric cylinder is connected with an industrial personal computer through a circuit.
7. The automatic demolition apparatus for a downhole coiled tubing support casing of claim 6, wherein: the recovery system comprises a recovery material plate, four cylinders are fixed on the recovery material plate, and the cylinders are arranged along the horizontal direction.
8. The method of claim 7, wherein the method comprises the steps of: the method comprises the following steps:
(1) the automatic dismounting device is arranged at the periphery of a wellhead, so that the coiled tubing sequentially passes through the mounting rings of the two groups of guide systems, and the two groups of guide systems are positioned right above the wellhead;
(2) transporting the hoisting operation vehicle and the conveying operation vehicle to a specified position, then enabling the coiled tubing penetrating through the mounting ring to penetrate through the coiled tubing injector, and finally winding the coiled tubing on an electric winding drum of the conveying operation vehicle;
(3) the electric reel rotates, the coiled tubing is pulled upwards, the support sleeve rises along with the coiled tubing, and the ultrasonic distance measuring machine monitors the radius difference between the support sleeve and the coiled tubing and sends a signal to the industrial personal computer;
(4) after receiving the signal, the industrial personal computer commands the two groups of opening pieces to open the support sleeve;
(5) after the support sleeve is unfolded, the industrial personal computer sends an instruction to start the second linear electric cylinder and the mechanical arm, the second linear electric cylinder extends out, the mechanical arm starts to grab the unfolded support sleeve downwards, and the two groups of unfolding parts are restored to the initial positions;
(6) the industrial personal computer commands a third motor, the third motor drives a sliding block to move along the sliding rail through a gear rack pair, and in the moving process, a fourth motor rotates to enable the propped support sleeve to rotate 90 degrees, and the propped support sleeve is positioned between the active pressing plate and the passive pressing plate at the moment;
(7) the industrial personal computer commands a third linear electric cylinder to start, the third linear electric cylinder drives the driving pressing plate to extrude the expanded support sleeve together with the driven pressing plate, and the support sleeve forms a leveling plate after extrusion;
(8) after the extrusion leveling, the third motor continues to drive the sliding block to move towards the direction of the recovery material plate along the sliding rail, and in the process, the fourth motor rotates to enable the leveling plate to rotate 90 degrees, four cylinders on the recovery material plate correspondingly penetrate into four round holes in the leveling plate, and the recovery of the support sleeve is completed;
(9) and (5) continuously lifting the continuous oil pipe, repeating the steps (3) to (8) and finishing the leveling and recovering operation of the rest support sleeves.
9. The method of claim 8, wherein the method comprises the steps of: the step of opening the support sleeve by the two groups of opening pieces in the step (4) is as follows: the industrial computer orders the two groups of spreading parts to move to the initial position, the first motor works to drive the sliding seat to move along the guide gear ring, until the initial position is reached, the first linear cylinder is started, the first linear cylinder pushes the ejector pin, the ejector pin smoothly penetrates into the round hole of the supporting sleeve, the ejector pin is inserted into a gap between the coiled tubing and the supporting sleeve, the industrial computer sends an instruction at the moment, the first motor is started again, the first motor drives the sliding seat to move to the poking-off position along the guide gear ring, and the supporting sleeve is spread under the poking of the two groups of spreading part ejector pins.
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| CN202110018650.9A CN112814590B (en) | 2021-01-07 | 2021-01-07 | Automatic dismounting equipment and method for underground coiled tubing support casing |
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| CN202110018650.9A CN112814590B (en) | 2021-01-07 | 2021-01-07 | Automatic dismounting equipment and method for underground coiled tubing support casing |
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| CN112814590A true CN112814590A (en) | 2021-05-18 |
| CN112814590B CN112814590B (en) | 2022-11-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5937943A (en) * | 1997-02-14 | 1999-08-17 | Westbury Service Company, L.L.C. | Tubing insertion and withdrawal apparatus for use with a live well |
| CN1628207A (en) * | 2002-02-01 | 2005-06-15 | 哈利伯顿能源服务公司 | Well system |
| CN104302866A (en) * | 2012-01-05 | 2015-01-21 | 美国国民油井华高公司 | Boom mounted coiled tubing guide and method for running coiled tubing |
| CN108643869A (en) * | 2018-04-24 | 2018-10-12 | 西南石油大学 | A kind of sea-bottom shallow gas hydrates solid state fluidizing lasting exploit device and method |
| CN111878069A (en) * | 2020-08-04 | 2020-11-03 | 华信唐山石油装备有限公司 | Composite continuous pipe cable oil-water well casing leakage finding system and method |
-
2021
- 2021-01-07 CN CN202110018650.9A patent/CN112814590B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5937943A (en) * | 1997-02-14 | 1999-08-17 | Westbury Service Company, L.L.C. | Tubing insertion and withdrawal apparatus for use with a live well |
| CN1628207A (en) * | 2002-02-01 | 2005-06-15 | 哈利伯顿能源服务公司 | Well system |
| CN104302866A (en) * | 2012-01-05 | 2015-01-21 | 美国国民油井华高公司 | Boom mounted coiled tubing guide and method for running coiled tubing |
| CN108643869A (en) * | 2018-04-24 | 2018-10-12 | 西南石油大学 | A kind of sea-bottom shallow gas hydrates solid state fluidizing lasting exploit device and method |
| CN111878069A (en) * | 2020-08-04 | 2020-11-03 | 华信唐山石油装备有限公司 | Composite continuous pipe cable oil-water well casing leakage finding system and method |
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|---|---|
| CN112814590B (en) | 2022-11-25 |
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