CN203515427U - Retractable tubular dropping object fishing device for downhole operation - Google Patents

Retractable tubular dropping object fishing device for downhole operation Download PDF

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Publication number
CN203515427U
CN203515427U CN201320667507.3U CN201320667507U CN203515427U CN 203515427 U CN203515427 U CN 203515427U CN 201320667507 U CN201320667507 U CN 201320667507U CN 203515427 U CN203515427 U CN 203515427U
Authority
CN
China
Prior art keywords
fishing
limit ring
anchor pole
fishing socket
lower limit
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
CN201320667507.3U
Other languages
Chinese (zh)
Inventor
孙刚
李兴彦
孙培增
党杨斌
杨会洁
刘玲
邓小川
杨勇
张雅茹
Original Assignee
孙刚
李兴彦
刘玲
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 孙刚, 李兴彦, 刘玲 filed Critical 孙刚
Priority to CN201320667507.3U priority Critical patent/CN203515427U/en
Application granted granted Critical
Publication of CN203515427U publication Critical patent/CN203515427U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a retractable tubular dropping object fishing device for downhole operation. The retractable tubular dropping object fishing device comprises an upper connector, a fishing cylinder, a fishing anchor rod, a spiral slip, a conical guide head, an upper limit ring, a lower limit ring, a guide shoe and a compression spring. The upper connector is disposed at the top of the fishing cylinder. The fishing anchor rod is located at the center of the fishing cylinder. The top of the fishing anchor rod is connected with the upper connector through the compression spring. The lower portion of the fishing cylinder is provided with a reducing spiral groove. The spiral slip is disposed in the reducing spiral groove in the inner wall of the fishing cylinder. The upper limit ring and the lower limit ring are respectively fixed on the inner wall of the fishing cylinder and located at the top and the bottom of the reducing spiral groove. The conical guide head is disposed at the bottom of the fishing anchor rod. The bottom of the dishing anchor rod and the conical guide head are located blow the outside of the fishing cylinder. The guide shoe is disposed at the bottom of the fishing cylinder. The retractable tubular dropping object fishing device simple in structure has the advantages that the spiral slip can advance and retract, tubular dropping object fishing success rate is increased, fishing efficiency and success rate are increased, and wellhead damage can be avoided.

Description

Reversible tubulose fishing junk device for a kind of underground work
Technical field
The utility model relates to a kind of downhole operation equipment, relates in particular to reversible tubulose fishing junk device for a kind of underground work.
Background technology
In underground work process, oil pipe fall well, meet the engineering accidents such as card and happen occasionally, often need to salvage tubulose junk, when the fishing device of prior art is salvaged underground fishing at some oil wells, the aspect such as the degree of depth, width is limited, salvage and can damage fishing device and well head by force, fishing and underground work are had to great harm.
Utility model content
The purpose of this utility model: reversible tubulose fishing junk device for a kind of underground work is provided, is convenient to salvage tubulose junk.
To achieve these goals, the technical solution of the utility model is:
A reversible tubulose fishing junk device for underground work, comprises top connection, fishing socket, salvaging anchor pole, spiral slips, tapered guide head, upper limit ring, lower limit ring, guide shoe and Compress Spring; Described top connection is arranged on the top of described fishing socket, described salvaging anchor pole is positioned at described fishing socket central authorities, the top of described salvaging anchor pole is connected with described top connection by described Compress Spring, and described top connection, fishing socket, salvaging anchor pole and Compress Spring coaxially arrange; The bottom of described fishing socket is provided with Reducing screw groove, described spiral slips is arranged in the Reducing screw groove on described fishing socket inwall, described spiral slips and described Reducing screw groove are suitable, and described spiral slips moves up and down along described Reducing screw groove; Described upper limit ring and lower limit ring are separately fixed on the inwall of described fishing socket, and described upper limit ring and lower limit ring lay respectively at top and the bottom of described Reducing screw groove; Described tapered guide head is arranged on the bottom of described salvaging anchor pole, the bottom of described salvaging anchor pole is respectively through described spiral slips, upper limit ring, lower limit ring and guide shoe, and the bottom of described salvaging anchor pole and tapered guide head are positioned at the outside below of described fishing socket; Described guide shoe is arranged on the bottom of described fishing socket.
Reversible tubulose fishing junk device for above-mentioned underground work, wherein, described upper limit ring and lower limit ring are circuluses, and described upper limit ring and the inner ring of lower limit ring are provided with centering ring, described centering ring and described salvaging anchor pole sliding-contact.
Reversible tubulose fishing junk device for above-mentioned underground work, wherein, the junction of described top connection and described fishing socket is provided with swivel becket, and described fishing socket and described top connection relatively rotate.
Reversible tubulose fishing junk device for above-mentioned underground work, wherein, the central authorities of described tapered guide head and salvaging anchor pole are provided with bath through hole.
Spiral slips of the present utility model is free to go forward or back out, has improved the success rate of salvaging tubulose junk, improves efficiency and the success rate of fishing, does not damage well head, simple in structure, easy to operate.
Accompanying drawing explanation
Fig. 1 is the sectional view of reversible tubulose fishing junk device for the utility model underground work.
Fig. 2 is the partial enlarged drawing of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate embodiment of the present utility model.
Refer to shown in accompanying drawing 1 and accompanying drawing 2, reversible tubulose fishing junk device for a kind of underground work, comprises top connection 1, fishing socket 2, salvages anchor pole 3, spiral slips 4, tapered guide head 5, upper limit ring 6, lower limit ring 7, guide shoe 8 and Compress Spring 9; Described top connection 1 is arranged on the top of described fishing socket 2, described salvaging anchor pole 3 is positioned at described fishing socket 2 central authorities, the top of described salvaging anchor pole 3 is connected with described top connection 1 by described Compress Spring 9, and described top connection 1, fishing socket 2, salvaging anchor pole 3 and Compress Spring 9 coaxially arrange; The bottom of described fishing socket 2 is provided with Reducing screw groove 10, described spiral slips 4 is arranged in the Reducing screw groove 10 on described fishing socket 2 inwalls, described spiral slips 4 is suitable with described Reducing screw groove 10, and described spiral slips 4 moves up and down along described Reducing screw groove 10; Described upper limit ring 6 and lower limit ring 7 are separately fixed on the inwall of described fishing socket 2, and described upper limit ring 6 and lower limit ring 7 lay respectively at top and the bottom of described Reducing screw groove 10; Described tapered guide head 5 is arranged on the bottom of described salvaging anchor pole 3, the bottom of described salvaging anchor pole 3 is respectively through described spiral slips 4, upper limit ring 6, lower limit ring 7 and guide shoe 8, and the bottom of described salvaging anchor pole 3 and tapered guide head 5 are positioned at the outside below of described fishing socket 2; Described guide shoe 8 is arranged on the bottom of described fishing socket 2.
Described upper limit ring 6 and lower limit ring 7 are circuluses, and described upper limit ring 6 and the inner ring of lower limit ring 7 are provided with centering ring 11, and described centering ring 11 and described salvaging anchor pole 3 sliding-contacts, can keep salvaging anchor pole 3 and be positioned on vertical direction.
Described top connection 1 is provided with swivel becket 12 with the junction of described fishing socket 2, and described fishing socket 2 relatively rotates with described top connection 1, and fishing socket 2 can be rotated according to physical location when salvaging.
The central authorities of described tapered guide head 5 and salvaging anchor pole 3 are provided with bath through hole 13, can be used for the well-flushing of washing by water.
In sum, spiral slips of the present utility model is free to go forward or back out, has improved the success rate of salvaging tubulose junk, improves efficiency and the success rate of fishing, does not damage well head, simple in structure, easy to operate.

Claims (4)

1. a reversible tubulose fishing junk device for underground work, is characterized in that: comprise top connection (1), fishing socket (2), salvage anchor pole (3), spiral slips (4), tapered guide head (5), upper limit ring (6), lower limit ring (7), guide shoe (8) and Compress Spring (9); Described top connection (1) is arranged on the top of described fishing socket (2), described salvaging anchor pole (3) is positioned at described fishing socket (2) central authorities, the top of described salvaging anchor pole (3) is connected with described top connection (1) by described Compress Spring (9), and described top connection (1), fishing socket (2), salvaging anchor pole (3) and Compress Spring (9) coaxially arrange; The bottom of described fishing socket (2) is provided with Reducing screw groove (10), described spiral slips (4) is arranged in the Reducing screw groove (10) on described fishing socket (2) inwall, described spiral slips (4) is suitable with described Reducing screw groove (10), and described spiral slips (4) moves up and down along described Reducing screw groove (10); Described upper limit ring (6) and lower limit ring (7) are separately fixed on the inwall of described fishing socket (2), and described upper limit ring (6) and lower limit ring (7) lay respectively at top and the bottom of described Reducing screw groove (10); Described tapered guide head (5) is arranged on the bottom of described salvaging anchor pole (3), the bottom of described salvaging anchor pole (3) is respectively through described spiral slips (4), upper limit ring (6), lower limit ring (7) and guide shoe (8), and the bottom of described salvaging anchor pole (3) and tapered guide head (5) are positioned at the outside below of described fishing socket (2); Described guide shoe (8) is arranged on the bottom of described fishing socket (2).
2. reversible tubulose fishing junk device for underground work according to claim 1, it is characterized in that: described upper limit ring (6) and lower limit ring (7) are circuluses, described upper limit ring (6) and the inner ring of lower limit ring (7) are provided with centering ring (11), described centering ring (11) and described salvaging anchor pole (3) sliding-contact.
3. reversible tubulose fishing junk device for underground work according to claim 1, it is characterized in that: described top connection (1) is provided with swivel becket (12) with the junction of described fishing socket (2), described fishing socket (2) relatively rotates with described top connection (1).
4. reversible tubulose fishing junk device for underground work according to claim 1, is characterized in that: the central authorities of described tapered guide head (5) and salvaging anchor pole (3) are provided with bath through hole (13).
CN201320667507.3U 2013-10-28 2013-10-28 Retractable tubular dropping object fishing device for downhole operation Expired - Fee Related CN203515427U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320667507.3U CN203515427U (en) 2013-10-28 2013-10-28 Retractable tubular dropping object fishing device for downhole operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320667507.3U CN203515427U (en) 2013-10-28 2013-10-28 Retractable tubular dropping object fishing device for downhole operation

Publications (1)

Publication Number Publication Date
CN203515427U true CN203515427U (en) 2014-04-02

Family

ID=50374374

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320667507.3U Expired - Fee Related CN203515427U (en) 2013-10-28 2013-10-28 Retractable tubular dropping object fishing device for downhole operation

Country Status (1)

Country Link
CN (1) CN203515427U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106437593A (en) * 2016-11-07 2017-02-22 吉林大学 Static pressure fishing device
CN112696167A (en) * 2019-10-23 2021-04-23 中国石油化工股份有限公司 Underground fishing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106437593A (en) * 2016-11-07 2017-02-22 吉林大学 Static pressure fishing device
CN106437593B (en) * 2016-11-07 2018-08-10 吉林大学 Static pressure fishing device
CN112696167A (en) * 2019-10-23 2021-04-23 中国石油化工股份有限公司 Underground fishing device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140402

Termination date: 20141028

EXPY Termination of patent right or utility model