CN204252904U - A kind of Combined fishing device - Google Patents

A kind of Combined fishing device Download PDF

Info

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
Authority
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.)
Expired - Fee Related
Application number
CN201420585809.0U
Other languages
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.)
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
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 Expired - Fee Related 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

Family

ID=52957224

Family Applications (1)

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

Country Status (1)

Country Link
CN (1) CN204252904U (en)

Cited By (3)

* 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
CN112696165A (en) * 2019-10-23 2021-04-23 中国石油化工股份有限公司 Fishing spear driving device and fishing spear
US11739604B2 (en) 2021-12-16 2023-08-29 Saudi Arabian Oil Company Expandable overshot-spear tool

Cited By (3)

* 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
CN112696165A (en) * 2019-10-23 2021-04-23 中国石油化工股份有限公司 Fishing spear driving device and fishing spear
US11739604B2 (en) 2021-12-16 2023-08-29 Saudi Arabian Oil Company Expandable overshot-spear tool

Similar Documents

Publication Publication Date Title
CN204252904U (en) A kind of Combined fishing device
CN202970581U (en) Salvaging device of cables under oil well
CN207245664U (en) Class of restricting and tubing junk integration fishing tool
CN202326196U (en) Oil pumping barrel with ultra-long stroke
CN103161418A (en) Hook fishing device for oil gas well
CN201310311Y (en) Composite latch jack
CN203655207U (en) Coiled tubing fisher for workover
CN202300271U (en) Downhole catching fisher
CN203961834U (en) A kind of lift-sub pin anti-loosening protector
CN203403851U (en) Downhole fiber-reinforced continuous composite tube fishing tool of oil field water injection well
CN203808904U (en) Releasable borehole operation salvage device
CN203499613U (en) Unconventional tube type fallen object fishing spear
CN202832337U (en) Side-opening sucker rod overshot
CN206608130U (en) Fluid pressure type fishing spear
CN203626635U (en) Casing connection guiding device
CN202510077U (en) Guiding sliding block trip spear
CN203308416U (en) Multidirectional connector
CN104587624A (en) Underground rescue fisher
CN204212729U (en) A kind of without box cupling shaft fishing tool
CN203239269U (en) Self-sealing blowout-preventing device for oil fishing wellhead
CN204113149U (en) Fluting pipe nipple unloader of beam-pumping rod
CN204877269U (en) Novel oil -well rig case circulates fast device
CN204002668U (en) The light junk in down-hole drags for and obtains aid
CN204040951U (en) Oil-well rig kelly bar pulling device
CN202280438U (en) Cable center-spear for borehole operations

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: 20150408

CF01 Termination of patent right due to non-payment of annual fee