CN108775229A - A kind of steel wire rope cap head fishing tool - Google Patents

A kind of steel wire rope cap head fishing tool Download PDF

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Publication number
CN108775229A
CN108775229A CN201810736749.0A CN201810736749A CN108775229A CN 108775229 A CN108775229 A CN 108775229A CN 201810736749 A CN201810736749 A CN 201810736749A CN 108775229 A CN108775229 A CN 108775229A
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CN
China
Prior art keywords
steel wire
fishing tool
outside
magnet
wire rope
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.)
Pending
Application number
CN201810736749.0A
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Chinese (zh)
Inventor
董成利
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.)
Xi'an Rongda Petroleum Engineering Co Ltd
Original Assignee
Xi'an Rongda Petroleum 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 Xi'an Rongda Petroleum Engineering Co Ltd filed Critical Xi'an Rongda Petroleum Engineering Co Ltd
Priority to CN201810736749.0A priority Critical patent/CN108775229A/en
Publication of CN108775229A publication Critical patent/CN108775229A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B31/00Fishing for or freeing objects in boreholes or wells
    • E21B31/12Grappling tools, e.g. tongs or grabs
    • E21B31/18Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B31/00Fishing for or freeing objects in boreholes or wells
    • E21B31/06Fishing for or freeing objects in boreholes or wells using magnetic means

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)

Abstract

The invention belongs to Oil & Gas Drilling Technology fields, more particularly to a kind of Novel steel wire rope cap head fishing tool.A kind of be made outside steel wire of steel wire is provided to grab and magnet is coordinated to realize that steel wire grabs magnetized steel wire rope cap head fishing tool outside.It is grabbed outside steel wire because there is magnetism by magnet magnetization, it can be adsorbed in the iron filings or steel wire rope rope socket for encountering underground, and being made outside steel wire to grip in during decentralization jarring of steel wire can open to capture salvage objects because of external force, then salvage objects have been salvaged under the action of steel wire elastic force, it is slipped out of the hand due to the flexible deformation of steel wire to grab realization outside steel wire after more than certain force, then the hook gripped in before restoring again under the action of elastic force outside steel wire after slipping out of the hand grabs shape.The irregular sundries salvaging such as steel wire rope rope socket or rubber fish in oil/gas well is set to be more prone to;It slips out of the hand for the salvage objects being difficult to out and is also more prone to.

Description

A kind of steel wire rope cap head fishing tool
Technical field
The invention belongs to Oil & Gas Drilling Technology fields, more particularly to a kind of Novel steel wire rope cap head fishing tool.
Background technology
In water injection well in oil fields test process, logging steel wire is due to the originals such as use for a long time, pulling force excess load, steel wire sand holes The pit shaft steel wire junk caused by is the production problem of relatively common and very bad processing.Falling in the wellbore is stayed after steel wire fracture Object, which will influence test equipment tripping in, to be salvaged.Steel wire rope rope socket, iron filings or rubber fish etc. are irregular miscellaneous at present For object there are no fit closely fishing tool, conventional fishing tool is irregular miscellaneous for steel wire rope rope socket or rubber fish etc. Object can't be completed to salvage well, seriously affect normal production.
Invention content
The present invention provides a kind of Novel steel wire rope cap head fishing tool, solve steel wire rope rope socket or rubber in oil/gas well The technical issues of irregular sundries such as glue fish can not be salvaged.
Specific technical solution is that the steel wire rope cap head fishing tool, including fishing tool ontology, helmet, magnet are fixed Set is grabbed outside steel wire, magnet and trip bolt;Connector is arranged in fishing tool ontology upper end, for the tool string of upper end into Row connection, common tool string includes weighted lever and bumper jar, and connector is used to connect with the bottom of bumper jar, fishing tool It is arranged on this body sidewall outside steel wire and grabs jack, for the upper end grabbed outside steel wire to be carried out insertion fixation, this side of fishing tool Trip bolt through-hole is correspondingly arranged on the outside of wall with helmet side wall, trip bolt passes through trip bolt through-hole by helmet and salvaging work Has the connection of ontology fixed thread, fishing tool ontology side-wall outer side is correspondingly arranged on trip bolt through-hole with helmet side wall, fastens Screw is threadedly coupled across helmet with fishing tool ontology, and the lower end of helmet is pressed in the outside that receptacle portion is grabbed outside steel wire, uses It is fixed after grabbing insertion outside steel wire to being grabbed outside steel wire;Magnet fixed sleeve is connect with fishing tool ontology lower thread, magnetic Iron is connected to the fixation realized in magnet fixed sleeve to magnet;Magnet lower end diameter is more than upper end diameter and can outside be grabbed with steel wire Side wall contacts;It is grabbed outside steel wire and grabs jack outside upper end insertion steel wire, lower end is inside hook formation;The fishing tool sheet It is additionally provided with to accommodate on body sidewall and grabs the groove being caught in outside steel wire, middle section card is grabbed in a groove outside steel wire.
Steel wire rope cap head fishing tool is assembled, then beats steel wire rope cap head by application method first in use Fishing combined tool connector is connected to the lower end of basic tool string, then will arrive fish position under steel wire rope cap head fishing tool, opens Then the downward jarring of bumper jar above carries whether exploration catches fish and salvage objects, one end is grabbed outside steel wire be caught in outside steel wire and grab jack Interior, then centre position is caught in groove, is fixed using helmet, to ensure that grabbing abundant fixation outside steel wire will not occur The hook of rotation and lower end grabs that the moment is inside, and the magnet contacted therewith will grab magnetization to make it have magnetic work(outside steel wire Can, iron filings that can be in air-breathing oil/gas well.And grabbed outside steel wire because bending inwards and there is good toughness, under it It can deform when encountering salvage objects during falling and separate outward, then catch salvage objects, and when fish or salvage objects have been difficult to When going out, and because grabbing and can centainly be deformed outside steel wire, salvages or replace again to make it be detached from realization from salvage objects Other fishing tools are salvaged.
At least 2 are grabbed outside steel wire.
The magnet is that cylindrical lower end head diameter is more than upper end diameter.
Fishing tool ontology and magnet fixed sleeve side are correspondingly arranged on elastic cylindrical pin.
Advantageous effect:The irregular sundries salvaging such as steel wire rope rope socket or rubber fish in oil/gas well is set to be more prone to;It is right The salvage objects gone out in being difficult to, which are slipped out of the hand, to be also more prone to, the drawbacks of can not rising out and can not slip out of the hand after preventing crawl;Structure is more Simply, cost is lower, is grasped outside steel wire and determines more to fasten and effectively prevent rotational deformation.
Description of the drawings
In order to illustrate more clearly of technical scheme of the present invention, attached drawing needed for embodiment description will be made below simple It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, to those of ordinary skill in the art For, without creative efforts, other attached drawings are can also be obtained according to these attached drawings, these attached drawings institute is straight The technical solution connect should also belong to the scope of protection of the present invention.
Fig. 1 is the structural schematic diagram of the present invention.
Reference sign:1, fishing tool ontology;1.1, connector;1.2, groove;1.3, trip bolt through-hole;2, it protects Cap;3, magnet fixed sleeve;4, it is grabbed outside steel wire;5, magnet;6, trip bolt;7, elastic cylindrical pin;8, jack is grabbed outside steel wire.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below to the specific reality of the present invention The mode of applying elaborates.Many details are elaborated in the following description in order to fully understand the present invention.But this Invention can be much to implement different from other manner described here, and those skilled in the art can be without prejudice to the present invention Similar improvement is done in the case of intension, therefore the present invention is not limited by following public specific implementation mode.
The problem of can not being salvaged for the irregular sundries of steel wire rope rope socket or rubber fish etc. in oil/gas well, the application carries A kind of be made outside steel wire of steel wire has been supplied to grab and magnet is coordinated to realize that steel wire grabs magnetized steel wire rope cap head fishing tool outside.Steel Silk is outer to grab because that, thus with magnetism, can be adsorbed in the iron filings or steel wire rope rope socket for encountering underground by magnet magnetization, and Being made outside steel wire to grip in during decentralization jarring of steel wire can open to capture salvage objects because of external force, then in steel wire elastic force Under the action of salvaged salvage objects, and when salvage objects can not pull-up when due to steel wire bearing capacity it is limited, after more than certain force by It is slipped out of the hand in the flexible deformation of steel wire to grab realization outside steel wire, then grips in outside steel wire after slipping out of the hand under the action of elastic force and restore again Hook before grabs shape.
Embodiment 1, as shown in Figure 1, the steel wire rope cap head fishing tool, including fishing tool ontology 1, helmet 2, magnet 4, magnet 5 and trip bolt 6 are grabbed outside fixing sleeve 3, steel wire;1 upper end of fishing tool ontology be arranged connector 1.1, for The tool string at end is attached, and common tool string includes weighted lever and bumper jar, and connector 1.1 is for the bottom with bumper jar Portion connects, and connector 1.1 can be steel wire connector either threaded connector or pin connector etc..Fishing tool ontology 1 It is arranged on side wall outside steel wire and grabs jack 8, for the upper end for grabbing 4 outside steel wire to be carried out insertion fixation, 1 side wall of fishing tool ontology Outside is additionally provided with helmet 2, and 1 side-wall outer side of fishing tool ontology is correspondingly arranged on trip bolt through-hole 1.3 with 2 side wall of helmet, Helmet 2 is threadedly coupled by trip bolt 6 across trip bolt through-hole 1.3 with fishing tool ontology 1, and the lower end of helmet 2 is pressed in The outside that 8 part of jack is grabbed outside steel wire, for carrying out being fixed fixation to grabbing 4 outside steel wire after grabbing 4 insertions outside steel wire;Magnet Fixing sleeve 3 is connect with 1 lower thread of fishing tool ontology, and magnet 5 is connected to the fixation realized in magnet fixed sleeve 3 to magnet 5; Magnet fixed sleeve 3 is molded for duroplasts, or is formed without magnetic metal casting.5 lower end diameter of magnet More than upper end diameter, smaller be connected in magnetic fixing sleeve 3 of upper end diameter is fixed, lower end because be relatively large in diameter, More than the diameter of magnetic fixing sleeve 3 so as to realize and grab the contacts of 4 side walls outside steel wire, to realize will grab outside steel wire 4 into The absorption grabbed outside steel wire to iron filings or steel wire rope rope socket is realized in row magnetization;It is grabbed outside steel wire and grabs jack 8 outside 4 upper ends insertion steel wire In, lower end is inside hook formation, and 4 are grabbed outside steel wire to be carried out as needed for 2,4 or 8 or 6 etc. Selection setting;Grabbing 4 outside steel wire can select the steel wire of a diameter of 20-28mm to be made as needed.In the small feelings of salvage objects weight Fine wire can be selected under condition, and vice versa.It is additionally provided with to accommodate on 1 side wall of fishing tool ontology and grabs 4 outside steel wire and be caught in Groove 1.2, grab 4 middle sections outside steel wire and be stuck in groove 1.2.To make steel wire rope rope socket or rubber fish in oil/gas well It is more prone to etc. the salvaging of irregular sundries;It slips out of the hand for the salvage objects being difficult to out and is also more prone to, can not be risen after preventing crawl The drawbacks of going out and can not slipping out of the hand;Structure is simpler, and cost is lower, is grasped outside steel wire and determines more to fasten and rotation is effectively prevent to become Shape.
Steel wire rope cap head fishing tool is assembled, then beats steel wire rope cap head by operation principle first in use The connector of fishing combined tool is connected to the lower end of basic tool string, then will arrive fish position under steel wire rope cap head fishing tool, opens It opens the downward jarring of bumper jar and then above carries whether exploration catches fish and salvage objects, one end is grabbed outside steel wire be caught in outside steel wire and grab jack Interior, then centre position is caught in groove, is fixed using helmet, to ensure that grabbing abundant fixation outside steel wire will not occur The hook of rotation and lower end grabs that the moment is inside, and the magnet contacted therewith will grab magnetization to make it have magnetic work(outside steel wire Can, iron filings that can be in magnetic gas and oil gas well.And grabbed outside steel wire because bending inwards and there is good toughness, at it It can deform when encountering salvage objects in dropping process and separate outward, then catch salvage objects, and when fish or salvage objects are difficult to When rising, and because grabbing and can centainly be deformed outside steel wire, to make it be detached from realization salvaging or more again from salvage objects Other fishing tools are changed to be salvaged.
Embodiment 2, based on the above technical solution, the magnet 5 are that cylindrical lower end head diameter is more than upper end Diameter.The upper end of cylinder-shaped magnet 5 is connected in magnet fixed sleeve 3, can be arranged by the upper end in cylinder-shaped magnet 5 It is fixedly connected at the shape of threads to match with magnet fixed sleeve 3, it also can be by being molded on the outside of 5 upper end of cylinder-shaped magnet Fixation of the magnet fixed sleeve 3 both to realize, it is preferred that correspond to and set in fishing tool ontology 1 and 3 side of magnet fixed sleeve Elastic cylindrical pin 7 is set to be fixed, 3 side of 1 side wall of fishing tool ontology and magnet fixed sleeve is passed through by elastic cylindrical pin 7 Wall realizes the fixation of cylinder-shaped magnet 5 and magnet fixed sleeve 3 to push against the side wall of cylinder-shaped magnet 5.

Claims (4)

1. a kind of steel wire rope cap head fishing tool, it is characterised in that:Including fishing tool ontology, helmet, magnet fixed sleeve, steel wire It grabs outside, magnet and trip bolt;Connector is arranged in fishing tool ontology upper end, is arranged outside steel wire on this body sidewall of fishing tool Jack is grabbed, fishing tool ontology side-wall outer side is additionally provided with helmet, and fishing tool ontology side-wall outer side is corresponding with helmet side wall to be set It is equipped with trip bolt through-hole, trip bolt is threadedly coupled across helmet with fishing tool ontology;The lower end of helmet is pressed in steel wire The outer outside for grabbing receptacle portion;Magnet fixed sleeve is connect with fishing tool ontology lower thread, and magnet is connected to magnet fixed sleeve It is interior;Magnet lower end diameter, which is more than upper end diameter, to be contacted with side wall is grabbed outside steel wire;Upper end is grabbed outside steel wire to be inserted into outside steel wire Jack is grabbed, lower end is inside hook formation;It is additionally provided with to accommodate to grab outside steel wire on described this body sidewall of fishing tool and be caught in Groove.
2. steel wire rope cap head fishing tool according to claim 1, it is characterised in that:At least 2 are grabbed outside steel wire.
3. steel wire rope cap head fishing tool according to claim 2, it is characterised in that:Magnet is cylindrical lower end head diameter More than upper end diameter.
4. steel wire rope cap head fishing tool according to claim 3, it is characterised in that:Fishing tool ontology and magnet are solid Surely set side is correspondingly arranged on elastic cylindrical pin.
CN201810736749.0A 2018-07-06 2018-07-06 A kind of steel wire rope cap head fishing tool Pending CN108775229A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810736749.0A CN108775229A (en) 2018-07-06 2018-07-06 A kind of steel wire rope cap head fishing tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810736749.0A CN108775229A (en) 2018-07-06 2018-07-06 A kind of steel wire rope cap head fishing tool

Publications (1)

Publication Number Publication Date
CN108775229A true CN108775229A (en) 2018-11-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810736749.0A Pending CN108775229A (en) 2018-07-06 2018-07-06 A kind of steel wire rope cap head fishing tool

Country Status (1)

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CN (1) CN108775229A (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB753458A (en) * 1952-12-19 1956-07-25 David John Frederick Burns Improvements in magnetic fishing tools for bore holes
CN2549168Y (en) * 2002-04-03 2003-05-07 中国石油化工股份有限公司***分公司采油六厂 Downhole fishing claw
US20070102161A1 (en) * 2005-09-09 2007-05-10 Gazewood Michael J Magnetic fishing tool and method
CN202152657U (en) * 2011-08-10 2012-02-29 中国石油集团川庆钻探工程有限公司 Jaw type well testing rope cap head fishing barrel
CN202381013U (en) * 2011-11-01 2012-08-15 中国石油天然气集团公司 Composite small junk fishing socket
CN204200142U (en) * 2014-09-15 2015-03-11 中法渤海地质服务有限公司 One is tackled all problems at once fishing tool
CN204327024U (en) * 2014-10-24 2015-05-13 中国石油化工股份有限公司 Diameter adjustable spiral wire fish fisher
CN104612618A (en) * 2015-01-26 2015-05-13 成都科盛石油科技有限公司 Oil well fisher
CN205858236U (en) * 2016-06-30 2017-01-04 中国石油天然气股份有限公司 Rotary steel wire junk fishing tool
CN107448161A (en) * 2017-08-23 2017-12-08 中国石油天然气股份有限公司 Strong magnetic salvager and strong magnetic block arrangement method thereof
CN207177791U (en) * 2017-08-23 2018-04-03 中国石油天然气股份有限公司 Casing transformer well fishing device
CN207436981U (en) * 2017-09-26 2018-06-01 中国石油天然气股份有限公司 Fishing device
CN208633799U (en) * 2018-07-06 2019-03-22 西安荣达石油工程有限公司 A kind of wirerope cap head fishing tool

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB753458A (en) * 1952-12-19 1956-07-25 David John Frederick Burns Improvements in magnetic fishing tools for bore holes
CN2549168Y (en) * 2002-04-03 2003-05-07 中国石油化工股份有限公司***分公司采油六厂 Downhole fishing claw
US20070102161A1 (en) * 2005-09-09 2007-05-10 Gazewood Michael J Magnetic fishing tool and method
CN202152657U (en) * 2011-08-10 2012-02-29 中国石油集团川庆钻探工程有限公司 Jaw type well testing rope cap head fishing barrel
CN202381013U (en) * 2011-11-01 2012-08-15 中国石油天然气集团公司 Composite small junk fishing socket
CN204200142U (en) * 2014-09-15 2015-03-11 中法渤海地质服务有限公司 One is tackled all problems at once fishing tool
CN204327024U (en) * 2014-10-24 2015-05-13 中国石油化工股份有限公司 Diameter adjustable spiral wire fish fisher
CN104612618A (en) * 2015-01-26 2015-05-13 成都科盛石油科技有限公司 Oil well fisher
CN205858236U (en) * 2016-06-30 2017-01-04 中国石油天然气股份有限公司 Rotary steel wire junk fishing tool
CN107448161A (en) * 2017-08-23 2017-12-08 中国石油天然气股份有限公司 Strong magnetic salvager and strong magnetic block arrangement method thereof
CN207177791U (en) * 2017-08-23 2018-04-03 中国石油天然气股份有限公司 Casing transformer well fishing device
CN207436981U (en) * 2017-09-26 2018-06-01 中国石油天然气股份有限公司 Fishing device
CN208633799U (en) * 2018-07-06 2019-03-22 西安荣达石油工程有限公司 A kind of wirerope cap head fishing tool

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Application publication date: 20181109

RJ01 Rejection of invention patent application after publication