CN204252904U - A kind of Combined fishing device - Google Patents

A kind of Combined fishing device Download PDF

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Publication number
CN204252904U
CN204252904U CN201420585809.0U CN201420585809U CN204252904U CN 204252904 U CN204252904 U CN 204252904U CN 201420585809 U CN201420585809 U CN 201420585809U CN 204252904 U CN204252904 U CN 204252904U
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CN
China
Prior art keywords
fishing
tubing string
socket
dipper
spear
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.)
Active
Application number
CN201420585809.0U
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Chinese (zh)
Inventor
张松
贾菲
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.)
Petrochina Co Ltd
China Petroleum and Natural Gas Co Ltd
Original Assignee
China Petroleum and Natural Gas 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 China Petroleum and Natural Gas Co Ltd filed Critical China Petroleum and Natural Gas Co Ltd
Priority to CN201420585809.0U priority Critical patent/CN204252904U/en
Application granted granted Critical
Publication of CN204252904U publication Critical patent/CN204252904U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of Combined fishing device, belong to technical field of petroleum extraction.Described Combined fishing device comprises fishing socket, and described fishing socket is connected with described tubing string, described fishing socket G.I.H under the effect of described tubing string; Fishing spear, described fishing spear is connected with described fishing socket, described fishing spear G.I.H under the effect of described tubing string.The utility model Combined fishing device accurately can catch steel wire, cable etc., is pulled out, and can also complete the salvaging to polytetrafluoroethylene (PTFE).

Description

A kind of Combined fishing device
Technical field
The utility model relates to technical field of petroleum extraction, particularly a kind of Combined fishing device.
Background technology
Existing junk oil-water well shaft bottom wire rope group, cable one class being affected to well launch-work, fishing device can not extrude agglomerating steel wire, cable class junk in well, recovery hook accurately cannot catch steel wire, cable etc., when recovery hook hooks steel wire or cable, fishing device has entered the position of deep-well, in well, steel wire or cable have been formed larger ' group ', make the increasing of salvage difficulty, efficiency reduction; To oil-water well polytetrafluoroethylene (PTFE) class junk, common method enters instrument and is rolled or crush and stay shaft bottom under being, general all cannot take out in well, cannot complete the salvaging to polytetrafluoroethylene (PTFE).
Utility model content
Technical problem to be solved in the utility model is to provide one accurately can catch steel wire, cable etc., is pulled out, and can also complete the combined fishing tool to the salvaging to polytetrafluoroethylene (PTFE).
For solving the problems of the technologies described above, the utility model provides a kind of Combined fishing device, is connected with described tubing string, salvages junk for G.I.H; Described fishing device comprises fishing socket, and described fishing socket is connected with described tubing string, described fishing socket G.I.H under the effect of described tubing string; Fishing spear, described fishing spear is connected with described fishing socket, described fishing spear G.I.H under the effect of described tubing string.
Further, described fishing socket comprises coupling head, and described coupling head is connected with described tubing string, described coupling head G.I.H under the effect of described tubing string; Dipper, described dipper is connected with described coupling head, and described dipper is connected with described tubing string by described adapter sleeve, G.I.H under the effect of described tubing string; First briar tooth, described first briar tooth is spaced in described dipper, for catching on junk; Second briar tooth, described second briar tooth is arranged in described dipper, for catching on junk.
Further, described coupling head comprises the first internal thread, and described first internal thread is connected with described tubing string; Second internal thread, described second internal thread is connected with described fishing spear.
Further, described dipper comprises liquid-through hole that described dipper is distributed in distance.
Further, described liquid-through hole comprises described liquid-through hole and is arranged on the second briar tooth place.
Further, described fishing spear comprises shaft, and described shaft is connected with described fishing socket, G.I.H under the effect of described tubing string; Crowfoot, described crowfoot is arranged in described shaft, for triggering junk.
The fishing socket of the Combined fishing device that the utility model provides is connected with tubing string, and fishing socket is G.I.H under the effect of tubing string, accurately can catch steel wire, cable etc., be pulled out, and can also complete the salvaging to polytetrafluoroethylene (PTFE); Fishing spear is connected with fishing socket, and fishing spear is G.I.H under the effect of tubing string, accurately can catch steel wire, cable etc., be pulled out, and can also complete the salvaging to polytetrafluoroethylene (PTFE).
Accompanying drawing explanation
The half section structural representation of the Combined fishing device that Fig. 1 provides for the utility model embodiment.
Detailed description of the invention
The fishing socket of the Combined fishing device that the utility model provides is connected with tubing string, and fishing socket is G.I.H under the effect of tubing string, accurately can catch steel wire, cable etc., be pulled out, and can also complete the salvaging to polytetrafluoroethylene (PTFE); Fishing spear is connected with fishing socket, and fishing spear is G.I.H under the effect of tubing string, accurately can catch steel wire, cable etc., be pulled out, and can also complete the salvaging to polytetrafluoroethylene (PTFE).
Embodiment one
See Fig. 1, the utility model embodiment provides a kind of Combined fishing device, and described fishing device comprises:
Fishing socket, described fishing socket is connected with described tubing string, described fishing socket G.I.H under the effect of described tubing string;
Fishing spear, described fishing spear is connected with described fishing socket, described fishing spear G.I.H under the effect of described tubing string.
Introduce the embodiment of the present invention in order to clearer, be explained from all parts below.
First, fishing socket is introduced;
Described fishing socket is connected with described tubing string, described fishing socket G.I.H under the effect of described tubing string.Described fishing socket comprises coupling head 1, and described coupling head is connected with described tubing string, described coupling head 1 G.I.H under the effect of described tubing string; Dipper 2, described dipper 2 is connected with described coupling head 1, and described dipper 2 is connected with described tubing string by described adapter sleeve 1, G.I.H under the effect of described tubing string; First briar tooth 4, described first briar tooth 4 is spaced in described dipper 2, for catching on junk; Second briar tooth 5, described second briar tooth 5 is arranged in described dipper 2, for catching on junk.Described coupling head comprises: the first internal thread 6, and described first internal thread 6 is connected with described tubing string; Second internal thread 7, described second internal thread 7 is connected with described fishing spear.Described dipper 2 comprises liquid-through hole 3 that described dipper 2 is distributed in distance; Described liquid-through hole comprises described liquid-through hole 3 and is arranged on the second briar tooth 5 place.
Then, fishing spear is introduced;
Fishing spear, described fishing spear is connected with described fishing socket, described fishing spear G.I.H under the effect of described tubing string.Described fishing spear can be that more piece is linked together, and determines the length used according to actual needs.Described fishing spear comprises shaft 8, and described shaft 8 is connected with described fishing socket, G.I.H under the effect of described tubing string; Crowfoot 9, described crowfoot 9 is arranged in described shaft 8, for triggering junk.
Embodiment two
Introduce the embodiment of the present invention in order to clearer, introduced from the using method of the utility model embodiment below.
1) fishing socket is used alone: during work, fishing socket is connected with tubing string by coupling head 1, with under tubing string in well, no matter well head is askew can with tubing string G.I.H with other reasons, run into junk such as polytetrafluoroethylene (PTFE), cable, wire rope etc. and affect the junk of underground fishing, junk can be guided enters in dipper 2, and catch on junk by the briar tooth 4 in dipper 2 and the second briar tooth 5, upper lifting pipe post comes on fishing junk immediately.
2) fishing spear is used alone: during work, the head end of shaft 8 and the second internal thread 7 of coupling head 1 are screwed together, with under tubing string in well, no matter well head is askew can with tubing string G.I.H with other reasons, run into junk such as polytetrafluoroethylene (PTFE), cable, wire rope etc. and affect the junk of underground fishing, the crowfoot 9 of fishing spear B catches on junk, and upper lifting pipe post comes on fishing junk immediately.
3) fishing socket A and fishing spear B combinationally uses: during work, fishing socket is connected with tubing string by coupling head 1, the head end of shaft 8 and the second internal thread 7 of coupling head 1 are screwed together, with under tubing string in well, no matter well head is askew can with tubing string G.I.H with other reasons, run into junk such as polytetrafluoroethylene (PTFE), cable, wire rope etc. and affect the junk of underground fishing, junk can be guided enters in dipper 2, catch on junk by the crowfoot 9 of briar tooth 4, second briar tooth 5 in dipper 2 and fishing spear B, upper lifting pipe post comes on fishing junk immediately.
In sum, a kind of Combined fishing device that the utility model embodiment provides has following technique effect.
The fishing socket of the Combined fishing device that the utility model provides is connected with tubing string, and fishing socket is G.I.H under the effect of tubing string, accurately can catch steel wire, cable etc., be pulled out, and can also complete the salvaging to polytetrafluoroethylene (PTFE); Fishing spear is connected with fishing socket, and fishing spear is G.I.H under the effect of tubing string, accurately can catch steel wire, cable etc., be pulled out, and can also complete the salvaging to polytetrafluoroethylene (PTFE).
It should be noted last that, above detailed description of the invention is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to example, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (6)

1. a Combined fishing device, is connected with tubing string, salvages junk for G.I.H; It is characterized in that, described fishing device comprises:
Fishing socket, described fishing socket is connected with described tubing string, described fishing socket G.I.H under the effect of described tubing string;
Fishing spear, described fishing spear is connected with described fishing socket, described fishing spear G.I.H under the effect of described tubing string.
2. fishing device according to claim 1, is characterized in that, described fishing socket comprises:
Coupling head (1), described coupling head is connected with described tubing string, described coupling head (1) G.I.H under the effect of described tubing string;
Dipper (2), described dipper (2) is connected with described coupling head (1), and described dipper (2) is connected with described tubing string by described adapter sleeve (1), G.I.H under the effect of described tubing string;
First briar tooth (4), described first briar tooth (4) is spaced in described dipper (2), for catching on junk;
Second briar tooth (5), described second briar tooth (5) is arranged in described dipper (2), for catching on junk.
3. fishing device according to claim 2, is characterized in that, described coupling head comprises:
First internal thread (6), described first internal thread (6) is connected with described tubing string;
Second internal thread (7), described second internal thread (7) is connected with described fishing spear.
4. fishing device according to claim 2, is characterized in that, described dipper (2) comprising:
Described dipper (2) is distributed in distance liquid-through hole (3).
5. fishing device according to claim 4, is characterized in that, described liquid-through hole comprises:
Described liquid-through hole (3) is arranged on the second briar tooth (5) place.
6. fishing device according to claim 1, is characterized in that, described fishing spear comprises:
Shaft (8), described shaft (8) is connected with described fishing socket, G.I.H under the effect of described tubing string;
Crowfoot (9), described crowfoot (9) is arranged in described shaft (8), for triggering junk.
CN201420585809.0U 2014-10-10 2014-10-10 A kind of Combined fishing device Active CN204252904U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420585809.0U CN204252904U (en) 2014-10-10 2014-10-10 A kind of Combined fishing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420585809.0U CN204252904U (en) 2014-10-10 2014-10-10 A kind of Combined fishing device

Publications (1)

Publication Number Publication Date
CN204252904U true CN204252904U (en) 2015-04-08

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Family Applications (1)

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CN201420585809.0U Active CN204252904U (en) 2014-10-10 2014-10-10 A kind of Combined fishing device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107829701A (en) * 2017-11-28 2018-03-23 中国石油天然气股份有限公司 Bailing well fishing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107829701A (en) * 2017-11-28 2018-03-23 中国石油天然气股份有限公司 Bailing well fishing device

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