CN204571916U - Reciprocating circulation blind plate device - Google Patents

Reciprocating circulation blind plate device Download PDF

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Publication number
CN204571916U
CN204571916U CN201520210463.0U CN201520210463U CN204571916U CN 204571916 U CN204571916 U CN 204571916U CN 201520210463 U CN201520210463 U CN 201520210463U CN 204571916 U CN204571916 U CN 204571916U
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CN
China
Prior art keywords
pedestal
mounting head
blind plate
circulation
shear pin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201520210463.0U
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Chinese (zh)
Inventor
徐少俊
张新文
郭新超
郭建军
杨睿
戴蕾
王浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNPC Xibu Drilling Engineering Co Ltd
Original Assignee
CNPC Xibu Drilling Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CNPC Xibu Drilling Engineering Co Ltd filed Critical CNPC Xibu Drilling Engineering Co Ltd
Priority to CN201520210463.0U priority Critical patent/CN204571916U/en
Application granted granted Critical
Publication of CN204571916U publication Critical patent/CN204571916U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to oily vapour field exploitation blind plate device technical field, and be a kind of reciprocating circulation blind plate device, it comprises pedestal, body and slip blind plate; Pedestal is loop configuration, and the left part inner chamber of pedestal is horn chamber left large and right small, and the right-hand member of pedestal has the mounting groove of annular, and the right part outer wall of pedestal and the right part inwall of body are fixedly installed togather; Slip blind plate comprises mounting head and working plate, and the left part of mounting head is the annular frustum matched with horn chamber, and the right part of mounting head and the inner chamber of pedestal match, and have axial through hole at the middle part of working plate.The utility model reasonable and compact in structure, easy to use, the utility model is equal to blind plate not capable of circulation under normal circumstances, setting of casing is hampered to be needed to set up circulation time, oppositely build the pressure and can set up new circulation canal and carry out well-flushing, remove blocked portion, reduce the risk of solid completion practice, and pedestal and slip blind plate are all easy to brill to be removed, and can be used widely in multiple occasion.

Description

Reciprocating circulation blind plate device
Technical field
the utility model relates to oily vapour field exploitation blind plate device technical field, is a kind of reciprocating circulation blind plate device.
Background technology
blind plate is the solid completion tool of one common in the exploitation of oily vapour field, blind plate not capable of circulation because its intensity is high, good airproof performance and obtain applying comparatively widely in deep-well, middle-deep well or Holes of Complicated Wells, but enter to be hampered after blind plate not capable of circulation enters well under pipe string etc. hole condition time cannot set up circulation, easily cause pulling out the accidents such as sleeve pipe.
Summary of the invention
the utility model provides a kind of reciprocating circulation blind plate device, overcomes the deficiency of above-mentioned prior art, and it effectively can solve the problem cannot setting up circulation when the hole condition such as entering to be hampered under at present blind plate not capable of circulation exists pipe string.
the technical solution of the utility model is realized by following measures: a kind of reciprocating circulation blind plate device, comprises pedestal, body and slip blind plate, pedestal is loop configuration, and the left part inner chamber of pedestal is horn chamber left large and right small, and the right-hand member of pedestal has the mounting groove of annular, and the right part outer wall of pedestal and the right part inwall of body are fixedly installed togather, slip blind plate comprises mounting head and working plate, the left part of mounting head is the annular frustum matched with horn chamber, the right part of mounting head and the inner chamber of pedestal match, axial through hole is had at the middle part of working plate, the left end external diameter of mounting head is greater than the internal diameter of through hole, the left end of mounting head and the right-hand member of working plate are integrally fixed together, plug seat is formed between the left end of mounting head and through hole, working plate outside mounting head is provided with the circulation port of at least one, the outer wall of working plate is provided with the elasticity shear pin inside groove of annular, elasticity shear pin is provided with in elasticity shear pin inside groove, mounting head is arranged in the inner chamber of pedestal, and be installed with shear pin between the pedestal of corresponding mounting groove and mounting head, the inner body wall of slip blind plate left is provided with the elasticity shear pin water jacket of annular, and the left end of working plate is greater than the distance of right-hand member to horn chamber minimum diameter place of mounting head to the distance between elasticity shear pin water jacket.
here is the further optimization and/or improvements to above-mentioned utility model technical scheme:
above-mentioned working plate outside mounting head is circumferentially evenly distributed with four circulation ports.
be installed with sealing ring between said base and body, between mounting head and pedestal, be installed with sealing ring.
the right part outer wall of said base and the right part inwall of body are fixedly installed togather by screw thread, and the left end of body is provided with internal thread or external screw thread, and the right-hand member of body is provided with internal thread or external screw thread.
the utility model reasonable and compact in structure, easy to use, the utility model is equal to blind plate not capable of circulation under normal circumstances, setting of casing is hampered to be needed to set up circulation time, oppositely build the pressure and can set up new circulation canal and carry out well-flushing, remove blocked portion, reduce the risk of solid completion practice, and pedestal and slip blind plate are all easy to brill to be removed, and can be used widely in multiple occasion.
Accompanying drawing explanation
accompanying drawing 1 is that the master of the utility model most preferred embodiment original state looks half section structural representation.
accompanying drawing 2 be the utility model most preferred embodiment oppositely build the pressure set up circulation master look half section structural representation.
accompanying drawing 3 is that the master that initial position got back to by the utility model most preferred embodiment slip blind plate looks half section structural representation.
accompanying drawing 4 is that the A-A of accompanying drawing 1 is to sectional structure schematic diagram.
coding in accompanying drawing is respectively: 1 is pedestal, and 2 is horn chamber, and 3 is mounting groove, and 4 is body, and 5 is slip blind plate, 6 is mounting head, and 7 is working plate, and 8 is plug seat, and 9 is circulation port, 10 is elasticity shear pin, and 11 is shear pin, and 12 is elasticity shear pin water jacket, and 13 is sealing ring.
Detailed description of the invention
the utility model by the restriction of following embodiment, can not determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1,4, this reciprocating circulation blind plate device comprises pedestal 1, body 4 and slip blind plate 5, pedestal 1 is loop configuration, and the left part inner chamber of pedestal 1 is horn chamber 2 left large and right small, and the right-hand member of pedestal 1 has the mounting groove 3 of annular, and the right part outer wall of pedestal 1 and the right part inwall of body 4 are fixedly installed togather, slip blind plate 5 comprises mounting head 6 and working plate 7, the left part of mounting head 6 is the annular frustum matched with horn chamber 2, the right part of mounting head 6 and the inner chamber of pedestal 1 match, axial through hole is had at the middle part of working plate 7, the left end external diameter of mounting head 6 is greater than the internal diameter of through hole, the left end of mounting head 6 and the right-hand member of working plate 7 are integrally fixed together, plug seat 8 is formed between the left end of mounting head 6 and through hole, working plate 7 outside mounting head 6 is provided with the circulation port 9 of at least one, the outer wall of working plate 7 is provided with the elasticity shear pin inside groove of annular, elasticity shear pin 10 is provided with in elasticity shear pin inside groove, mounting head 6 is arranged in the inner chamber of pedestal 1, and be installed with shear pin 11 between the pedestal 1 of corresponding mounting groove 3 and mounting head 6, body 4 inwall of slip blind plate 5 left is provided with the elasticity shear pin water jacket 12 of annular, and the left end of working plate 7 is greater than the distance of right-hand member to horn chamber 2 minimum diameter place of mounting head 6 to the distance between elasticity shear pin water jacket 12.
when dynamic elasticity shear pin 10 left lateral is with by slip blind plate 5, elasticity shear pin 10 can eject in elasticity shear pin water jacket 12, limits its stroke; Slip blind plate 5, pedestal 1 are easily brill material and make, and are beneficial to the brill in later stage except operation.
as accompanying drawing 1, 2, shown in 3, the utility model is arranged on after in after pipe string, flow process carries out setting of casing routinely, grouting, well-flushing regulates the operations such as mud property, enter under pipe string when being hampered in process and can close preventer, oppositely build the pressure from annular space, when reaching certain pressure, cut off shear pin 11, promote slip blind plate 5 left lateral, when slip blind plate 5 left lateral to elasticity shear pin 10 ejects after to elasticity shear pin water jacket 12, new circulation canal can be set up by circulation port 9, well-flushing can be realized, remove blocked portion, after clean-out service completes, pumping plug is to plug seat 8, realization builds the pressure, cut off elasticity shear pin 10, promote slip blind plate 5 right lateral to initial position, build the pressure and carry out subsequent job,
the utility model is equal to blind plate not capable of circulation under normal circumstances, setting of casing is hampered to be needed to set up circulation time, oppositely build the pressure and can set up new circulation canal and carry out well-flushing, remove blocked portion, after pipe string is lowered into position, pumping plug to plug seat promotes slip blind plate to initial position, builds the pressure and carries out subsequent job.The utility model is simple and reliable, reduces the risk of solid completion practice, is easy to brill and removes, and can be used widely in multiple occasion.
according to actual needs, above-mentioned reciprocating circulation blind plate device can be made further optimization and/or improvements:
as shown in accompanying drawing 1,4, the working plate 7 outside mounting head 6 is circumferentially evenly distributed with four circulation ports 9.
as shown in Figure 1, be installed with sealing ring 13 between pedestal 1 and body 4 and can ensure good sealing function, be installed with sealing ring 13 between mounting head 6 and pedestal 1 and can ensure good sealing function.
as shown in Figure 1, the right part outer wall of pedestal 1 and the right part inwall of body 4 are fixedly installed togather by screw thread, and the left end of body 4 is provided with internal thread or external screw thread, and the right-hand member of body 4 is provided with internal thread or external screw thread.Be threaded and facilitate installation and removal
above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.

Claims (5)

1. a reciprocating circulation blind plate device, is characterized in that comprising pedestal, body and slip blind plate, pedestal is loop configuration, and the left part inner chamber of pedestal is horn chamber left large and right small, and the right-hand member of pedestal has the mounting groove of annular, and the right part outer wall of pedestal and the right part inwall of body are fixedly installed togather, slip blind plate comprises mounting head and working plate, the left part of mounting head is the annular frustum matched with horn chamber, the right part of mounting head and the inner chamber of pedestal match, axial through hole is had at the middle part of working plate, the left end external diameter of mounting head is greater than the internal diameter of through hole, the left end of mounting head and the right-hand member of working plate are integrally fixed together, plug seat is formed between the left end of mounting head and through hole, working plate outside mounting head is provided with the circulation port of at least one, the outer wall of working plate is provided with the elasticity shear pin inside groove of annular, elasticity shear pin is provided with in elasticity shear pin inside groove, mounting head is arranged in the inner chamber of pedestal, and be installed with shear pin between the pedestal of corresponding mounting groove and mounting head, the inner body wall of slip blind plate left is provided with the elasticity shear pin water jacket of annular, and the left end of working plate is greater than the distance of right-hand member to horn chamber minimum diameter place of mounting head to the distance between elasticity shear pin water jacket.
2. reciprocating circulation blind plate device according to claim 1, is characterized in that the working plate outside mounting head being circumferentially evenly distributed with four circulation ports.
3. reciprocating circulation blind plate device according to claim 1 and 2, is characterized in that being installed with sealing ring between pedestal and body, is installed with sealing ring between mounting head and pedestal.
4. reciprocating circulation blind plate device according to claim 1 and 2, it is characterized in that the right part outer wall of pedestal and the right part inwall of body are fixedly installed togather by screw thread, the left end of body is provided with internal thread or external screw thread, and the right-hand member of body is provided with internal thread or external screw thread.
5. reciprocating circulation blind plate device according to claim 3, it is characterized in that the right part outer wall of pedestal and the right part inwall of body are fixedly installed togather by screw thread, the left end of body is provided with internal thread or external screw thread, and the right-hand member of body is provided with internal thread or external screw thread.
CN201520210463.0U 2015-04-09 2015-04-09 Reciprocating circulation blind plate device Withdrawn - After Issue CN204571916U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520210463.0U CN204571916U (en) 2015-04-09 2015-04-09 Reciprocating circulation blind plate device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520210463.0U CN204571916U (en) 2015-04-09 2015-04-09 Reciprocating circulation blind plate device

Publications (1)

Publication Number Publication Date
CN204571916U true CN204571916U (en) 2015-08-19

Family

ID=53864570

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520210463.0U Withdrawn - After Issue CN204571916U (en) 2015-04-09 2015-04-09 Reciprocating circulation blind plate device

Country Status (1)

Country Link
CN (1) CN204571916U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104790905A (en) * 2015-04-09 2015-07-22 中国石油集团西部钻探工程有限公司 Reciprocating circular blind plate device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104790905A (en) * 2015-04-09 2015-07-22 中国石油集团西部钻探工程有限公司 Reciprocating circular blind plate device
CN104790905B (en) * 2015-04-09 2017-05-17 中国石油集团西部钻探工程有限公司 Reciprocating circular blind plate device

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20150819

Effective date of abandoning: 20170517