CN206942715U - A kind of fluid pressure type extension hanger - Google Patents

A kind of fluid pressure type extension hanger Download PDF

Info

Publication number
CN206942715U
CN206942715U CN201720877749.3U CN201720877749U CN206942715U CN 206942715 U CN206942715 U CN 206942715U CN 201720877749 U CN201720877749 U CN 201720877749U CN 206942715 U CN206942715 U CN 206942715U
Authority
CN
China
Prior art keywords
hanger
hanger body
fluid pressure
expansion
rubber layer
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.)
Expired - Fee Related
Application number
CN201720877749.3U
Other languages
Chinese (zh)
Inventor
刘洪新
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.)
Dezhou Elite Oil Machinery Co Ltd
Original Assignee
Dezhou Elite Oil Machinery 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 Dezhou Elite Oil Machinery Co Ltd filed Critical Dezhou Elite Oil Machinery Co Ltd
Priority to CN201720877749.3U priority Critical patent/CN206942715U/en
Application granted granted Critical
Publication of CN206942715U publication Critical patent/CN206942715U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The utility model discloses a kind of fluid pressure type extension hanger,Including top connection,Lower contact,Bezel ring,,Chuck,Rubber layer,Expansion sleeve,Expand chamber,Depth inductor,Liquid pass hole,Sap cavity,Sliding block,Sealing block,Oblique joint face,Rubber base fixture block,Rubber base,Plug,Expand head,Slips,The conical surface,Interior endless tube,Connecting rod,Pin and hanger body,Top connection is provided with the left of hanger body,And the outside of hanger body is provided with rubber layer,The outside of rubber layer is provided with chuck close to leftward position,The conical surface is provided with the right side of chuck,Expansion chamber is provided with the inside of expansion sleeve,Expand on the inside of chamber and interior endless tube is installed,The utility model is simple in construction,It is easy to operate,It is reliable and stable,Provided with depth inductor,The depth information sensed can be sent to wireless signal to receiving device,It can be accurately positioned,Inner ring bottom of the tube is provided with sliding block,Sliding block is provided with sealing block,It ensure that the tightness of sap cavity.

Description

A kind of fluid pressure type extension hanger
Technical field
Hanger is the utility model is related to, specially a kind of fluid pressure type extension hanger.
Background technology
At present, extension hanger seat will carry out mechanical back-off after hanging, and brill is above carried in the constructing operation engineering of back-off Tool, and being on the increase with exceptional wells such as deep-well, ultradeep well, horizontal wells, hole condition are more complicated, the weight above carried is not smart The influence of true and severe hole condition, to the influence of extension hanger during back-off, cause seat to report the loss and lose, this tail tube hanging Device stability is poor, consumes the substantial amounts of time, adds cost, while extension hanger technology is to use multiple slips, hydraulic pressure Set, but reduce radial clearance, add the risk of tail pipe top and tail pipe install failure, have a strong impact on final completion Effect.
Utility model content
The purpose of this utility model is to provide a kind of fluid pressure type extension hanger, to solve to propose in above-mentioned background technology The problem of.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme:A kind of fluid pressure type extension hanger, Including top connection, lower contact, bezel ring, chuck, rubber layer, expansion sleeve, expansion chamber, depth inductor, liquid pass hole, sap cavity, cunning Block, sealing block, oblique joint face, rubber base fixture block, rubber base, plug, expand head, slips, the conical surface, interior endless tube, connecting rod, pin and outstanding Hanging device body, top connection is provided with the left of the hanger body, and the outside of hanger body is provided with rubber layer, it is described The outside of rubber layer is provided with chuck close to leftward position, and the conical surface, the inner side of the rubber layer are provided with the right side of the chuck Expansion sleeve is installed, expansion chamber is provided with the inside of the expansion sleeve, interior endless tube is installed on the inside of the expansion chamber, and Expand on the right side of chamber and expansion head is installed, the inside for expanding head is provided with depth inductor, is set on the right side of the depth inductor Liquid pass hole is equipped with, the side in the hole overnight is provided with sap cavity, and one end of the sap cavity is provided with sliding block, set on the sliding block There is sealing block, lower contact is provided with the right side of the hanger body, the outside of the lower contact is provided with oblique joint face, described The inside of hanger body is provided with slips close to leftward position, and the side of the slips is provided with connecting rod, pacified on the connecting rod Equipped with pin, the inside of the hanger body is provided with plug close to right positions, and rubber is provided with the right side of the plug , rubber base fixture block is installed on the right side of the rubber base.
Further, the expansion head is in arc-shaped structure.
Further, the upper end of the bezel ring, is inclined-plane.
Further, the internal diameter of the top connection, interior endless tube and lower contact is equal.
Further, the hanger body is internally provided with screw thread.
Compared with prior art, the beneficial effect that the utility model is reached is:This kind of fluid pressure type extension hanger, suspension Top connection is provided with the left of device body, and the outside of hanger body is provided with rubber layer, the outside of rubber layer is close to left side Position is provided with chuck, and the conical surface is provided with the right side of chuck, expansion chamber is provided with the inside of expansion sleeve, expands the inner side peace of chamber Simple in construction equipped with interior endless tube, easy to operate, reliable and stable, deblocking process is simple and convenient, provided with depth inductor, will can feel The depth information that should be arrived sends wireless signal to receiving device, can be accurately positioned, expansion sleeve external wall of upper portion is provided with rubber layer, makes The frictional force increase between sleeve pipe after expansion sleeve expands is obtained, increases stability, inner ring bottom of the tube is provided with sliding block, set on sliding block There is sealing block, ensure that the tightness of sap cavity.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings:
Fig. 1 is overall structure diagram of the present utility model;
Fig. 2 is the structural representation of slips of the present utility model;
In figure:1st, top connection;2nd, lower contact;3rd, bezel ring,;4th, chuck;5th, rubber layer;6th, expansion sleeve;7th, chamber is expanded;8、 Depth inductor;9th, liquid pass hole;10th, sap cavity;11st, sliding block;12nd, sealing block;13rd, oblique joint face;14th, rubber base fixture block;15th, rubber Rubber base;16th, plug;17th, head is expanded;18th, slips;19th, the conical surface;20th, interior endless tube;21st, connecting rod;22nd, pin;23rd, hanger body.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme:A kind of fluid pressure type extension hanger, including above connect First 1, lower contact 2, bezel ring, 3, chuck 4, rubber layer 5, expansion sleeve 6, expand chamber 7, depth inductor 8, liquid pass hole 9, sap cavity 10, Sliding block 11, sealing block 12, oblique joint face 13, rubber base fixture block 14, rubber base 15, plug 16, expand first 17, slips 18, the conical surface 19, Interior endless tube 20, connecting rod 21, pin 22 and hanger body 23, it is characterised in that:The left side of hanger body 23, which is provided with, to be connect First 1, and the outside of hanger body 23 is provided with rubber layer 5, the outside of rubber layer 5 is provided with chuck 4 close to leftward position, card The right side of platform 4 is provided with the conical surface 19, and the inner side of rubber layer 5 is provided with expansion sleeve 6, and the inner side of expansion sleeve 6 is provided with expansion Chamber 7, the inner side for expanding chamber 7 is provided with interior endless tube 20, and the right side for expanding chamber 7 is provided with expansion first 17, expands first 17 inside installation There is depth inductor 8, the right side of depth inductor 8 is provided with liquid pass hole 9, and the side in hole 9 is provided with sap cavity 10, sap cavity 10 overnight One end sliding block 11 is installed, sealing block 12 is provided with sliding block 11, the right side of hanger body 23 is provided with lower contact 2, under The outside of joint 2 is provided with oblique joint face 13, and the inside of hanger body 23 is provided with slips 18, slips 18 close to leftward position Side be provided with connecting rod 21, pin 22 is installed, the inside of hanger body 23 is provided with close to right positions on connecting rod 21 Plug 16, the right side of plug 16 are provided with rubber base 15, and the right side of rubber base 15 is provided with rubber base fixture block 14.
Further, it is in arc-shaped structure to expand first 17, reduces the influence of resistance.
Further, the upper end of bezel ring, 3 is inclined-plane, optimizes topology layout, is easy to connect.
Further, top connection 1, interior endless tube 20 are equal with the internal diameter of lower contact 2, improve the integration knot of whole device Structure.
Further, hanger body 23 is internally provided with screw thread so that and connect it is firm, stably.
Operation principle:This kind of fluid pressure type extension hanger, first, tail pipe is installed in hanger body 23, then will Tail pipe and extension hanger are put into sleeve pipe, and hanger body 23 is internally provided with screw thread so that and connect it is firm, stably, Secondly, the information sent by receiving depth inductor 8, position of the tail pipe in sleeve pipe is accurately positioned, when arrival specified location Afterwards, plug seat 15 and plug 16 are put into, connects hydraulic pump, top connection 1, interior endless tube 20 are equal with the internal diameter of lower contact 2, improve The integral structure of whole device, pressure injection well killing fluid, well killing fluid enter sap cavity by liquid pass hole 9 in inside endless tube 20 10, when pressure gradually increases, it is in arc-shaped structure to expand first 17, reduces the influence of resistance, and endless tube in whole will be driven by expanding first 17 20 are moved up, and expand first 17 in moving process by the extrusion expansion of expansion sleeve 6 so that expansion sleeve 6 is fixed with sleeve pipe, is completed solid Determine process, when expansion first 17 is moved to 6 top of expansion sleeve, pressure will be released, and deblocking process be completed, finally, provided with depth Inductor 8 is spent, the depth information sensed can be sent to wireless signal to receiving device, can be accurately positioned, the top of expansion sleeve 6 Outer wall is provided with rubber layer so that the frictional force increase after the expansion of expansion sleeve 6 between sleeve pipe, increases stability, interior endless tube 20 Bottom is provided with sliding block 11, and sliding block is provided with sealing block 12, ensure that the tightness of sap cavity 10.
Finally it should be noted that:Preferred embodiment of the present utility model is the foregoing is only, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc., It should be included within the scope of protection of the utility model.

Claims (5)

1. a kind of fluid pressure type extension hanger, including top connection(1), lower contact(2), bezel ring,(3), chuck(4), rubber layer(5)、 Expansion sleeve(6), expand chamber(7), depth inductor(8), liquid pass hole(9), sap cavity(10), sliding block(11), sealing block(12), tiltedly Joint face(13), rubber base fixture block(14), rubber base(15), plug(16), expand head(17), slips(18), the conical surface(19), inner ring Pipe(20), connecting rod(21), pin(22)And hanger body(23), it is characterised in that:The hanger body(23)Left side It is provided with top connection(1), and hanger body(23)Outside be provided with rubber layer(5), the rubber layer(5)Outside it is close Leftward position is provided with chuck(4), the chuck(4)Right side be provided with the conical surface(19), the rubber layer(5)Inner side installation There is expansion sleeve(6), the expansion sleeve(6)Inner side be provided with expansion chamber(7), the expansion chamber(7)Inner side be provided with Interior endless tube(20), and expand chamber(7)Right side expansion head is installed(17), the expansion head(17)Inside depth inductor is installed (8), the depth inductor(8)Right side be provided with liquid pass hole(9), the liquid pass hole(9)Side be provided with sap cavity(10), The sap cavity(10)One end sliding block is installed(11), the sliding block(11)On be provided with sealing block(12), the hanger sheet Body(23)Right side be provided with lower contact(2), the lower contact(2)Outside be provided with oblique joint face(13), the hanger Body(23)Inside slips is installed close to leftward position(18), the slips(18)Side be provided with connecting rod(21), institute State connecting rod(21)On pin is installed(22), the hanger body(23)Inside right positions are provided with plug (16), the plug(16)Right side rubber base is installed(15), the rubber base(15)Right side rubber base fixture block is installed (14).
A kind of 2. fluid pressure type extension hanger according to claim 1, it is characterised in that:The expansion head(17)In circular arc Structure.
A kind of 3. fluid pressure type extension hanger according to claim 1, it is characterised in that:The bezel ring,(3)Upper end be Inclined-plane.
A kind of 4. fluid pressure type extension hanger according to claim 1, it is characterised in that:The top connection(1), interior endless tube (20)And lower contact(2)Internal diameter it is equal.
A kind of 5. fluid pressure type extension hanger according to claim 1, it is characterised in that:The hanger body(23)'s It is internally provided with screw thread.
CN201720877749.3U 2017-07-19 2017-07-19 A kind of fluid pressure type extension hanger Expired - Fee Related CN206942715U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720877749.3U CN206942715U (en) 2017-07-19 2017-07-19 A kind of fluid pressure type extension hanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720877749.3U CN206942715U (en) 2017-07-19 2017-07-19 A kind of fluid pressure type extension hanger

Publications (1)

Publication Number Publication Date
CN206942715U true CN206942715U (en) 2018-01-30

Family

ID=61369916

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720877749.3U Expired - Fee Related CN206942715U (en) 2017-07-19 2017-07-19 A kind of fluid pressure type extension hanger

Country Status (1)

Country Link
CN (1) CN206942715U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117090527A (en) * 2023-10-18 2023-11-21 河北上善石油机械有限公司 Closed hydraulic tail pipe hanger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117090527A (en) * 2023-10-18 2023-11-21 河北上善石油机械有限公司 Closed hydraulic tail pipe hanger
CN117090527B (en) * 2023-10-18 2023-12-15 河北上善石油机械有限公司 Closed hydraulic tail pipe hanger

Similar Documents

Publication Publication Date Title
CN105484695B (en) Mechanical and hydraulic double-acting expansion device suitable for expansion tube drilling well
CN105781461B (en) Hydraulic Double releasing gadget expandable liner hanger
CN111963098B (en) Compression packer
CN102996089A (en) Multi-stage hydraulic expansion tail pipe suspension system with reducing expansion cone for horizontal well for thermal recovery of heavy oil
CN206942715U (en) A kind of fluid pressure type extension hanger
CN203374213U (en) Concentric inner pipe suspension structure of double-wall drill pipe
CN206000501U (en) A kind of suspension type self-expanding blocks tubing string
CN201412097Y (en) Hydraulic expansion type hanger for expansion sieve tube
CN205382907U (en) Two effect expansion devices of machinery hydraulic pressure suitable for expansion pipe well drilling
CN110469290A (en) Leakproof two-stage water injection packer
CN202970565U (en) Thickened oil thermal recovery horizontal well multistage hydraulic pressure expansion tail pipe suspension system with variable diameter expansion cone
CN208073390U (en) Casing damaged well expansion tube strengthening mechanism
CN101059068B (en) Self-adapting bulging head expanding tube reinforcement device
CN200985759Y (en) Expansion casing tube device having cushioning capacity
CN201474640U (en) Novel spiral expansion cone
CN204113166U (en) expansion hanger
CN203296716U (en) Hydraulic casing centralizer
CN206530312U (en) A kind of inflatable packer
CN201184156Y (en) Variable radial expanding head for expansion reinforcing
CN212716523U (en) Double-seal setting device and hanger
CN202531133U (en) Water plugging technological tubular column for sealing middle layer and exploiting two ends of oil well
CN205297426U (en) Bore hole is with recoverable reducing inflation awl
CN201474654U (en) Packer being inflatable when being contacted with oil
CN109403910B (en) A kind of big orifice oil pipe multistage inflatable packer
CN105888598A (en) Wellhead sealing device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180130

Termination date: 20180719