CN110822211B - Submarine pipeline maintenance and rush-repair intelligent packing system - Google Patents
Submarine pipeline maintenance and rush-repair intelligent packing system Download PDFInfo
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- CN110822211B CN110822211B CN201911242035.5A CN201911242035A CN110822211B CN 110822211 B CN110822211 B CN 110822211B CN 201911242035 A CN201911242035 A CN 201911242035A CN 110822211 B CN110822211 B CN 110822211B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
- F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
- F16L55/136—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially expanding or deforming a split ring, hooks or the like
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Abstract
The invention discloses an intelligent packer system for maintenance and emergency repair of a submarine pipeline, which comprises two pipe scrapers, two anchor block devices, two bidirectional communicators and the like, wherein the pipe scrapers and the anchor block devices are symmetrically distributed on two sides of a device; a hydraulic cylinder piston, a spring, a pressing seat and a fixed seat are arranged in the anchor plugging device, and a support roller, a slip and a rubber cylinder are arranged on the radial outer part of the anchor plugging device; the axial outer end of the anchor block device is internally provided with a controller, an electromagnetic valve, a hydraulic plunger pump, a hydraulic oil tank and a signal receiving and transmitting antenna, the hydraulic cylinder is communicated through a hydraulic pipeline, and a control signal is transmitted by installing the top end of the signal receiving and transmitting antenna to contact with the pipe wall. The invention can realize remote, quick and safe packing of the submarine pipeline in the maintenance and emergency repair process, and the pipe scrapers at two ends can ensure that the signal receiving and transmitting antenna can be directly and reliably contacted with the pipe wall under the severe working condition in the pipe, thereby realizing the stable remote two-way communication between the submarine pipe and the pipe body and the ground.
Description
Technical Field
The invention relates to a submarine pipeline maintenance and emergency repair tool, in particular to a submarine pipeline maintenance and emergency repair intelligent packing system.
Background
Seabed energy is huge in storage amount in the world at present, is one of necessary energy sources for national strategic energy storage, and the importance of the seabed energy is self-evident. The transportation of submarine oil and gas is an essential step in oil and gas exploitation, and the maintenance of submarine pipelines is very important in the case of failure of submarine pipelines due to high seawater pressure or other uncertain factors in the seabed for a long time. In the maintenance operation of the submarine pipeline, the damaged section needs to be replaced when the local damage and destruction of the submarine pipeline are faced, so that the normal transportation of submarine oil gas is ensured, and the submarine pipeline is a life line of oil gas energy.
In the submarine oil and gas pipeline transportation, oil and gas are continuously conveyed to the land from a submarine wellhead, and in the submarine pipeline maintenance process, for damaged pipeline sections needing to be replaced, the oil and gas are firstly required to be ensured not to be leaked in the replacement process, so that the economic loss and the marine environmental pollution are reduced. There is a need for a packer capable of packing at a given location in a subsea pipeline, where two identical packers are placed at intervals from the pipeline port on the surface and are fed with oil and gas, and the packers are moved down along the pipeline port with the oil and gas to the seabed. The first packer reaches a target point I through an oil pipeline, fixation is carried out, and then the packing step is completed simultaneously after the second packer reaches a target point II and fixation is completed. And then cutting the damaged pipeline section, replacing a new pipeline by welding, finally unsealing the sealing device and recovering the sealed pipeline section to the ground under the oil gas conveying action, and thus finishing the repairing work of the submarine conveying pipeline.
However, currently, the number of submarine pipeline anchoring and plugging devices which can be used for practical applications is very small, most of researches stay in a theoretical stage, and the effect and function are not ideal, such as: (1) the remote control of the seabed cannot be realized or the control response speed is slow and unstable, and the packer cannot be anchored in time after reaching a designated position, so that the packer position generates large displacement deviation, and the later repair operation is influenced; (2) the deblocking speed is slow or the deblocking is incomplete, so that the oil and gas conveying efficiency is influenced; (3) the pipe wall is not cleaned completely, and the advancing efficiency of the packing device is reduced.
In order to solve the problems of the existing submarine pipeline packer, improve the repair rate of the submarine pipeline and the oil gas transmission efficiency, and reduce the economic loss and marine environmental pollution caused by oil gas leakage, the invention needs to invent a submarine pipeline maintenance and emergency repair intelligent packer system, thereby realizing the stability and controllability of the submarine pipeline packer process, quick response of setting and unpacking commands, small deviation of an action point and a target point, reducing the repair working time of the submarine pipeline, and improving the stability and reliability of packer anchoring.
Disclosure of Invention
Technical problem to be solved
The invention aims to: aiming at the problems and requirements of the existing submarine oil and gas conveying pipeline packing tool, the submarine pipeline maintenance and emergency repair intelligent packing system is provided, the bidirectional communicator solves the problem that the ground remote control submarine response speed is slow or unstable, the anchor block device is accurately positioned in the pipeline, the pipe scraper ensures that the bidirectional communicator and the pipe wall can be smoothly connected, the rod clamping tile structure ensures the anchoring supporting force of the packing device, and the stability and reliability of the anchoring packing effect are improved.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a submarine pipeline dimension salvagees intelligence packing system which characterized in that: the device mainly comprises two pipe scrapers, two anchor block devices, two bidirectional communicators and the like, wherein the two pipe scrapers and the two anchor block devices are symmetrically distributed on two sides of the device.
The scraper is located at the outer end of the device and comprises 3 scraper blades, a brush and a lifting ring, wherein the scraper blades and the brush are connected to a round step of a round shaft through bolts, the scraper blades are round and concave, the middle brush is made of a soft colloid material, small holes are formed in the round middle parts of the scraper blades and the brush and used for fluid flowing, and the lifting ring is installed at the top of the round shaft of the scraper.
The middle of the device is provided with an anchor block device which comprises a hydraulic cylinder, a piston, a spring, a pressure application seat, a fixed seat, a supporting roller, a rod slip, a rubber cylinder, a controller, an electromagnetic valve, a hydraulic plunger pump, a hydraulic oil tank, a battery pack and a signal receiving and transmitting antenna, wherein the hydraulic cylinder and the piston are positioned in the middle of the anchor block device; the pipe scraper and the anchor block device are connected through a double-ball rod, and the two anchor block devices inside the pipe scraper and the anchor block device are also connected through the double-ball rod; the anchor blocking device realizes the control movement through the bidirectional communicator.
The bidirectional communicator comprises a signal receiving and transmitting antenna, a ground outside signal receiving and transmitting device, a remote industrial personal computer and a signal amplifying and filtering device, wherein the ground outside signal receiving and transmitting device realizes information interaction with the signal receiving and transmitting antenna inside the pipe by taking the pipe wall as a transmission medium, the signal receiving and transmitting device realizes interaction with the remote signal receiving and transmitting device by wireless signals through the signal amplifying and filtering device, and then the signal is transmitted to the remote industrial personal computer, so that the packing device is controlled to realize positioning and packing in the pipe.
The number of the rod clamping tiles is 8, the rod clamping tiles are uniformly distributed outside the anchor plugging device, the supporting rods are connected to the pressure applying base, and the clamping tiles are in pin connection with the supporting rods and the pressure applying base. The bottom surface of the slip is an arc wedge surface, the cross section of the upper teeth is in a right triangle shape, when the slip moves outwards, the end, close to the slip, of the supporting rod moves outwards along with the slip, and the other end moves towards the direction of the slip along with the pressing seat; when retrieved, the support rod is repositioned and the pulling force assists the slips repositioning.
The controller, the electromagnetic valve, the hydraulic plunger pump, the hydraulic oil tank, the battery pack and the signal receiving and transmitting antenna are arranged on the anchor block device and are close to the moving mechanism on the side face of the moving structure such as the hydraulic cylinder and the piston.
The signal receiving and transmitting antenna is of a cylindrical structure in the middle, a cable channel is arranged in the signal receiving and transmitting antenna, four cylindrical tentacles are arranged around the signal receiving and transmitting antenna, conductive contact pieces are arranged at the tops of the tentacles, springs and telescopic rods are arranged in the tentacles under the conductive contact pieces, the conductive contact pieces are communicated with the A/D signal converter through cables, and the A/D signal converter is connected into the controller through the cables.
The utility model provides a submarine pipeline dimension salvagees intelligent packing system which the during operation needs two the same packing devices cooperation, and the working procedure can divide into four processes of preparation, transfer anchor, packing, deblocking recovery.
In the preparation process, a ground pipe external signal receiving and transmitting device is arranged on the outer walls of the two ends of the target pipe section, and a remote industrial personal computer is well debugged; the anchoring process is put down, a first packing device is put in from an external wellhead, when the first end position of the submarine target pipe section is reached, a signal receiving and transmitting antenna in the first packing device transmits signals to a ground pipe external signal receiving and transmitting device through a pipe wall, the signals are transmitted to a remote signal receiving and transmitting device through a signal amplifying and filtering device and finally transmitted to a remote industrial personal computer, the remote industrial personal computer immediately issues an anchoring instruction to control the movement of a piston in a hydraulic cylinder of the packing device, a pressing seat is driven to move towards a fixed seat to press a wedge block to push out the inner wall of a slip action pipeline to finish anchoring, then a second packing device is put in, and when the second end position of the submarine target pipe section is reached, the anchoring is finished with the same program as; in the packing process, a remote industrial personal computer simultaneously issues packing commands to the two packing devices, and a hydraulic cylinder of the packing devices continuously moves to drive the fixed base to move towards the pressure applying base to extrude the rubber cylinder to act on the inner wall of the pipeline to complete the sealing action; the deblocking recovery process is that the remote industrial personal computer issues deblocking commands to the two packing devices at the same time, the hydraulic cylinder and the piston of the packing device move in the reverse direction to complete deblocking, and finally the packing device flows back to the ground along with fluid under the action of oil pressure in the pipe.
The lowering and anchoring process is divided into two stages, the first stage is a deceleration advancing stage, the remote industrial personal computer controls the opening degree of the slips by controlling the motion process of the hydraulic cylinder piston, firstly, the slips are controlled to contact and properly act on the pipe wall, the packer is driven in a deceleration mode, the hydraulic cylinder piston is kept to stop moving in the stage, after the packer is stable, the second stage is started, the remote industrial personal computer controls the hydraulic cylinder piston to continue moving, and the slips are completely anchored and clamped on the pipe wall.
(III) advantageous effects
Compared with the prior art, the invention provides an intelligent packing system for maintenance and emergency repair of a submarine pipeline, which has the following beneficial effects:
1. the intelligent packer system for the maintenance and the emergency repair of the submarine pipeline, provided by the invention, adopts the principle of pipeline conductive transmission signals, realizes information interaction between the outside and a packer device inside a metal pipeline, and improves the real-time response speed of the packer device.
2. According to the intelligent packer system for maintenance and rush repair of the submarine pipeline, the connecting rod type slips are convenient for anchoring and recovery movement of the slips through the rod piece, the rod plays a certain supporting role in anchoring, and meanwhile, the stability of deceleration of the packer is kept in the process of deceleration and advancing of the packer.
3. According to the intelligent packer system for maintenance and rush repair of the submarine pipeline, the pipe scraper solves the problems that two ends of a packer are too heavy, movement in the pipeline is not facilitated, and uniform cleaning is achieved, and meanwhile transmission of signals on the inner wall of the pipeline is not hindered.
4. According to the intelligent packer system for the maintenance and rush repair of the submarine pipeline, the control devices, the hydraulic oil tanks and other non-moving devices are uniformly placed in the anchor block device and close to the moving mechanism, so that the hydraulic cylinder piston can be conveniently and rapidly controlled to move, the hydraulic action time of the packer device is shortened, and the packer action is quicker and more stable.
5. According to the intelligent sealing system for maintenance and rush repair of the submarine pipeline, the spring inside the anchor block device is fixed on the telescopic rod, assists the deblocking action in the recovery process, and guarantees mechanical unlocking.
Drawings
FIG. 1 is a front view of a subsea pipeline maintenance and emergency repair intelligent packing system before packing;
FIG. 2 is a front view of the subsea pipeline after packing by the intelligent packing system for maintenance and emergency repair;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is an isometric view of the subsea pipeline maintenance and emergency repair intelligent packing system before packing;
FIG. 5 is an internal schematic view of an anchor block device with an external circular cover removed in the intelligent packer system for subsea pipeline maintenance and emergency repair;
FIG. 6 is an enlarged view of a portion of FIG. 5;
FIG. 7 is a cross-sectional view of an anchor block in an intelligent packer system for subsea pipeline maintenance and repair;
FIG. 8 is a partial internal schematic view of a signal transmitting and receiving antenna;
fig. 9 is a schematic diagram of a bidirectional communicator of the intelligent packing system for subsea pipeline maintenance and emergency repair.
In the figure: 1-a tube scraper; 101-a lifting ring; 102-a circular central overflow aperture; 103-a brush; 104-a scraper; 105-circular shaft in the centre of the scraper; 106-circular step on central circular shaft of scraper; 107-double ball rod between the scraper and the anchor block; 2-an anchor block device; 201-a signal transceiving antenna; 2011-cylindrical structure in the middle of the signal receiving and transmitting antenna; 2012-inside cable channel of signal transceiver antenna, 2013-cylindrical tentacle of signal transceiver antenna; 2014-conductive contact pads; 2015-signal transceiver antenna built-in spring; 2016-signal receiving and dispatching antenna built-in telescopic link; 2017-A/D signal converter; 2018-a cable; 202-round cover body; 203-a pressure application seat; 204-rubber cylinder; 205 rod slips; 2051-slips; 2052-support bars; 206-a fixed seat; 207-support rollers; 208-a wedge block; 209-hydraulic oil tank; 210-hydraulic plunger pump; 211-a controller; 212-a battery pack; 213-solenoid valve; 214-a hydraulic cylinder; 215-a piston; 216-a spring; 217-rod screw; 218-a telescoping rod; 219-double ball bar between two anchors; 3-a ground outside-pipe signal transceiver; 4-a remote signal transceiving means; 5-a remote industrial personal computer; 6-signal amplifying and filtering device.
Detailed Description
The invention is further described with reference to the accompanying drawings in which:
as shown in fig. 1-9, an intelligent packer system for maintenance and emergency repair of a submarine pipeline mainly comprises two pipe scrapers (1), two anchor block devices (2), two bidirectional communicators and the like, wherein the pipe scrapers (1) and the anchor block devices (2) are symmetrically distributed on two sides of the device.
The scraper (1) is located at the outer end of the device and comprises a scraper (104), a brush (103) and a lifting ring (101), wherein the scraper (104) and the brush (103) are connected to a round step (106) of a round shaft (105) through bolts, the number of the scraper (104) is 3, the scraper is round and concave, the scraper is made of a colloid soft material, the middle brush (103) is made of a hard steel bar, small holes (102) are formed in the round middle parts of the scraper (104) and the brush (103) for fluid to flow, and the lifting ring (101) is installed at the top of the round shaft (105) of the scraper (1).
The middle of the device is provided with an anchor block device (2) which comprises a hydraulic cylinder (214), a piston (215), a spring (216), a pressure applying seat (203), a fixed seat (206), a supporting roller (207), a rod slip (205), a rubber cylinder (204), a controller (211), an electromagnetic valve (213), a hydraulic plunger pump (210), a hydraulic oil tank (209), a battery pack (212) and a signal receiving and transmitting antenna (201), wherein the hydraulic cylinder (214) and the piston (215) are positioned in the middle of the anchor block device (2), the piston (215) is connected with the fixed seat (206) through a rod screw (217), the hydraulic cylinder (214) is fixed on the pressure applying seat (203), the inner wall of the outer shell on the side of the pressure applying seat (203) is tightly attached to the outer wall of the outer shell on the side of the fixed seat (206), a telescopic rod (218) and the spring (216) are arranged between the hydraulic cylinder and the hydraulic cylinder (204), a wedge block (, The device comprises a rod slip (205) and a supporting roller (207), a round cover body (202) is arranged outside the axial direction of a pressure application seat (203) and connected through a screw, a controller (211), an electromagnetic valve (213), a hydraulic plunger pump (210), a hydraulic oil tank (209) and a battery pack (212) are arranged inside the round cover body (202), and a signal receiving and transmitting antenna (201) is attached to the outside of the round cover body (202); the pipe scraper (1) and the anchor block device (2) are connected through a double-ball rod (107), and the two anchor block devices (2) inside are also connected through a double-ball rod (219); the anchor blocking device (2) realizes control movement through a bidirectional communicator.
The bidirectional communicator comprises a signal receiving and transmitting antenna (201), a ground outside-pipe signal receiving and transmitting device (3), a remote signal receiving and transmitting device (4), a remote industrial personal computer (5) and a signal amplification filtering device (6), wherein the ground outside-pipe signal receiving and transmitting device (3) uses a pipe wall as a transmission medium to realize information interaction with the signal receiving and transmitting antenna (201) inside the pipe, the signal amplification filtering device (6) realizes interaction with the remote signal receiving and transmitting device (4) through wireless signals, and then transmits the interaction to the remote industrial personal computer (5), so that the packing device is controlled to realize positioning and packing in the pipe.
The number of the rod slips (205) is 8, the slip is uniformly distributed outside the anchor plugging device (2), the supporting rod (2052) is connected to the pressure applying seat (203), and the slips (2051) and the supporting rod (2052) as well as the supporting rod (2052) and the pressure applying seat (203) are in pin connection. The bottom surface of the slip (2051) is an arc wedge-shaped surface, the cross section of the upper teeth is in the shape of a right triangle, when the slip (2051) moves outwards, the end, close to the slip, of the supporting rod (2052) moves outwards along with the slip (2051), and the other end of the supporting rod moves towards the direction of the slip (2051) along with the pressure application seat (203); when retrieved, the support bar (2052) is repositioned, and the pulling force assists in repositioning the slip (2051).
The controller (211), the electromagnetic valve (213), the hydraulic plunger pump (210), the hydraulic oil tank (209), the battery pack (212) and the signal transceiving antenna (201) are arranged on the anchor block device (2) and are close to the movement mechanism on the side surfaces of the movement structures such as the hydraulic cylinder (214), the piston (215) and the like.
The signal transceiving antenna (201) middle part be cylindrical structure (2011), in there be cable passageway (2012), all the portion is four cylindrical tentacles (2013) around, tentacle (2013) top is electrically conductive contact piece (2014), it has spring (2015) and telescopic link (2016) to place inside tentacle (2013) under electrically conductive contact piece (2014), electrically conductive contact piece (2014) and AD signal converter (2017) are communicate by cable (2018), AD signal converter (2017) again through cable (2018) access controller (211).
The implementation mode is as follows:
an intelligent sealing system for maintenance and emergency repair of submarine pipelines needs two identical sealing devices to be matched when in work, the working procedure can be divided into four processes of preparation, lowering anchoring, sealing and unsealing recovery, a ground pipe external signal receiving and transmitting device (3) is arranged on the outer wall of the two ends of a target pipe section in the preparation process, and a remote industrial personal computer (5) is debugged; putting down an anchoring process, firstly putting a first packer device from an external wellhead, when the first packer device reaches a preparation position in front of a first end of a submarine target pipe section, transmitting a signal to a ground external signal transceiver device (3) through a pipe wall by a signal transceiving antenna (201) inside the first packer device, transmitting the signal to a remote signal transceiver device (4) through a signal amplifying and filtering device (6) and finally transmitting the signal to a remote industrial personal computer (5), then immediately issuing a deceleration instruction to control a piston (215) in a hydraulic cylinder (214) of the packer device to move, driving a pressure applying seat (203) to move a pressing wedge block (208) to push out a slip (2051) to act on the inner wall of a pipeline, controlling the movement process of the piston (215) of the hydraulic cylinder (214) by the remote industrial personal computer (5) to control the opening degree of the slip, firstly controlling the slip (2051) to contact and act on the pipe wall properly, the packing device is driven to decelerate, the piston (215) of the hydraulic cylinder (214) is kept to stop moving in the stage, after the packing device is stable, the second stage is carried out, the remote industrial personal computer (5) controls the piston (215) of the hydraulic cylinder (214) to continue moving, so that the slips (2051) are completely clamped on the pipe wall to finish anchoring, then the second packing device is put in, and when the second packing device reaches the second end position of the submarine target pipe section, the anchoring is finished by the same procedure as that of the first device; in the packing process, a remote industrial personal computer (5) simultaneously sends packing commands to the two packing devices, and a hydraulic cylinder (214) of the packing device continues to move to drive a fixed seat (206) to move towards a pressure applying seat (203) to extrude a rubber cylinder (204) to act on the inner wall of the pipeline to complete the sealing action; the deblocking recovery process is that a remote industrial personal computer (5) issues deblocking commands to two packing devices at the same time, a hydraulic cylinder (214) and a piston (215) of each packing device move in the opposite direction to complete deblocking, and finally the packing devices flow back to the ground along with fluid under the action of oil pressure in pipes.
The present invention, including but not limited to the embodiments described above, is intended to cover any methods, processes, articles of manufacture, which fall within the spirit and scope of the present invention, and which are subject to the principles and novel and inventive features disclosed herein.
Claims (5)
1. The utility model provides a submarine pipeline dimension salvagees intelligence packing system which characterized in that: mainly including scraper (1), stifled ware of anchor (2) and two-way communicator, wherein scraper (1) is two with stifled ware of anchor (2) quantity, and the symmetric distribution is on the device both sides:
the pipe scraper (1) is positioned at the outer end of the device and comprises a scraper blade (104), a brush (103) and a lifting ring (101), wherein the scraper blade (104) and the brush (103) are connected on a round step (106) of a round shaft (105) through bolts, the number of the scraper blade (104) is 3, the scraper blade (104) is round and concave, the middle brush (103) is made of soft colloid material, small holes (102) are formed in the round middle parts of the scraper blade (104) and the brush (103) for fluid to flow, the lifting ring (101) is arranged at the top of the round shaft (105) of the pipe scraper (1),
the anchor blocking device (2) is arranged in the middle of the device and comprises a hydraulic cylinder (214), a piston (215), a spring (216), a pressure applying seat (203), a fixed seat (206), a supporting roller (207), a rod clamping tile (205), a rubber cylinder (204), a controller (211), an electromagnetic valve (213), a hydraulic plunger pump (210), a hydraulic oil tank (209), a battery pack (212) and a signal receiving and transmitting antenna (201), wherein the hydraulic cylinder (214) and the piston (215) are arranged in the middle of the anchor blocking device (2), the piston (215) is connected with the fixed seat (206) through a rod screw (217), the hydraulic cylinder (214) is fixed on the pressure applying seat (203), the inner wall of the side outer shell of the pressure applying seat (203) is tightly attached to the outer wall of the side outer shell of the fixed seat (206), a telescopic rod (218) and the spring (216) are arranged between the two, and the rubber cylinder (204), a wedge block (208) and a telescopic, The device comprises a rod slip (205) and a supporting roller (207), a round cover body (202) is arranged outside the axial direction of a pressure application seat (203) and connected through a screw, a controller (211), an electromagnetic valve (213), a hydraulic plunger pump (210), a hydraulic oil tank (209) and a battery pack (212) are arranged inside the round cover body (202), and a signal receiving and transmitting antenna (201) is attached to the outside of the round cover body (202); the pipe scraper (1) and the anchor block device (2) are connected through a double-ball rod (107), and the two anchor block devices (2) inside are also connected through a double-ball rod (219); the anchor blocking device (2) realizes the control movement through a bidirectional communicator,
the bidirectional communicator comprises a signal receiving and transmitting antenna (201), a ground outside-pipe signal receiving and transmitting device (3), a remote signal receiving and transmitting device (4), a remote industrial personal computer (5) and a signal amplifying and filtering device (6), wherein the ground outside-pipe signal receiving and transmitting device (3) uses a pipe wall as a transmission medium to realize information interaction with the signal receiving and transmitting antenna (201) in the pipe, the signal amplifying and filtering device (6) realizes interaction with the remote signal receiving and transmitting device (4) through wireless signals, and then transmits the interaction to the remote industrial personal computer (5), so that the control packer realizes positioning and packing in the pipe.
2. The intelligent packing system for subsea pipeline maintenance and repair according to claim 1, wherein: the number of the rod slip (205) is 8, the rod slip is uniformly distributed outside the anchor plugging device (2), the supporting rods (2052) are connected to the pressure applying base (203), the slips (2051), the supporting rods (2052) and the pressure applying base (203) are in pin connection, the bottom surface of the slip (2051) is an arc wedge-shaped surface, the cross section of the upper teeth is in a right triangle shape, when the slip (2051) moves outwards, the slip-close end of the supporting rods (2052) moves outwards along with the slip (2051), and the other end of the supporting rods moves towards the slip (2051) along with the pressure applying base (203); when retrieved, the support bar (2052) is repositioned, and the pulling force assists in repositioning the slip (2051).
3. The intelligent packing system for subsea pipeline maintenance and repair according to claim 1, wherein: the signal transceiving antenna (201) middle part be cylindrical structure (2011), in there be cable passageway (2012), all the portion is four cylindrical tentacles (2013) around, tentacle (2013) top is electrically conductive contact piece (2014), it has spring (2015) and telescopic link (2016) to place inside tentacle (2013) under electrically conductive contact piece (2014), electrically conductive contact piece (2014) and AD signal converter (2017) are communicate by cable (2018), AD signal converter (2017) again through cable (2018) access controller (211).
4. The intelligent packing system for subsea pipeline maintenance and repair according to claim 1, wherein: two identical packing devices are matched during working, a working procedure can be divided into four stages of preparation, anchoring, packing and unpacking recovery, a ground pipe external signal receiving and transmitting device (3) is arranged on the outer walls of the two ends of a target pipe section in the preparation process, and a remote industrial personal computer (5) is well debugged; putting down an anchoring process, namely putting a first packing device from an external wellhead, when the first end position of a submarine target pipe section is reached, transmitting a signal to a ground external signal transceiver (3) through a pipe wall by a signal transceiving antenna (201) inside the first packing device, transmitting the signal to a remote signal transceiver (4) through a signal amplifying and filtering device (6), and finally transmitting the signal to a remote industrial personal computer (5), immediately transmitting an anchoring instruction to control a piston (215) in a hydraulic cylinder (214) of the packing device to move by the remote industrial personal computer (5), driving a pressure applying seat (203) to move towards a fixed seat (206) to extrude a wedge block (208) to push the inner wall of the pipeline to finish anchoring under the action of a slip (2051), and then putting a second packing device into the second end position of the submarine target pipe section, and finishing anchoring by the same program as the first device when the second end position of the submarine target; in the packing process, a remote industrial personal computer (5) simultaneously sends packing commands to the two packing devices, and a hydraulic cylinder (214) of the packing device continues to move to drive a fixed seat (206) to move towards a pressure applying seat (203) to extrude a rubber cylinder (204) to act on the inner wall of the pipeline to complete the sealing action; the deblocking recovery process is that a remote industrial personal computer (5) issues deblocking commands to two packing devices at the same time, a hydraulic cylinder (214) and a piston (215) of each packing device move in the opposite direction to complete deblocking, and finally the packing devices flow back to the ground along with fluid under the action of oil pressure in pipes.
5. The working procedure of the intelligent packing system for subsea pipeline maintenance and repair according to claim 4, wherein: the lowering anchoring process comprises two stages, wherein the first stage is a deceleration advancing stage, the remote industrial personal computer (5) controls the opening degree of the slip by controlling the motion process of the piston (215) of the hydraulic cylinder (214), firstly, the slip (2051) is controlled to contact and properly act on the pipe wall, the packing device is driven to decelerate, the hydraulic cylinder (214) piston (215) is kept to stop moving in the stage, after the seabed pipeline maintenance and emergency repair intelligent packing system is stopped, the second stage is started, the remote industrial personal computer (5) controls the hydraulic cylinder (214) piston (215) to continuously move, and the slip (2051) is completely anchored and clamped on the pipe wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911242035.5A CN110822211B (en) | 2019-12-06 | 2019-12-06 | Submarine pipeline maintenance and rush-repair intelligent packing system |
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| CN201911242035.5A CN110822211B (en) | 2019-12-06 | 2019-12-06 | Submarine pipeline maintenance and rush-repair intelligent packing system |
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| CN110822211A CN110822211A (en) | 2020-02-21 |
| CN110822211B true CN110822211B (en) | 2020-06-23 |
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| CN117571061A (en) * | 2024-01-15 | 2024-02-20 | 北京金石湾管道技术有限公司 | Intelligent sealing and isolating system for maintenance and rush repair of submarine pipeline |
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| US6315498B1 (en) * | 1997-11-21 | 2001-11-13 | Superior Energy Services, Llc | Thruster pig apparatus for injecting tubing down pipelines |
| NO316740B1 (en) * | 2002-06-26 | 2004-04-19 | Plugging Specialists Int | Device by a plug for sealing liquid or gas lining rudder |
| CN101377259B (en) * | 2008-10-13 | 2010-06-23 | 中国石油天然气集团公司 | Intelligent plugging device in tube |
| GB201311146D0 (en) * | 2013-06-23 | 2013-08-07 | Stats Uk Ltd | Method and assembly for pipe pressure testing |
| CN104196485A (en) * | 2014-08-25 | 2014-12-10 | 中国海洋石油总公司 | Internal plugging device of pipeline |
| CN104879604B (en) * | 2015-06-05 | 2017-03-15 | 周庆涛 | Pipeline quick blocking train |
| CN105570601B (en) * | 2016-02-24 | 2018-09-28 | 北京世杰通石油科技有限公司 | A kind of plugging device |
| CN107060686A (en) * | 2017-03-18 | 2017-08-18 | 中国海洋石油总公司 | Plugging device in Hai Guanguan |
| CN108730669A (en) * | 2018-06-19 | 2018-11-02 | 哈尔滨工程大学 | A kind of intelligent plugging device for submarine pipeline reparation |
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