CN105863544A - Slip type hydraulic control inner fishing tool - Google Patents
Slip type hydraulic control inner fishing tool Download PDFInfo
- Publication number
- CN105863544A CN105863544A CN201610299081.9A CN201610299081A CN105863544A CN 105863544 A CN105863544 A CN 105863544A CN 201610299081 A CN201610299081 A CN 201610299081A CN 105863544 A CN105863544 A CN 105863544A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- slips
- slip
- screwed connection
- upper shell
- 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.)
- Granted
Links
- 208000031481 Pathologic Constriction Diseases 0.000 claims description 2
- 210000001215 vagina Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 241000251468 Actinopterygii Species 0.000 description 18
- 239000012530 fluid Substances 0.000 description 4
- 239000004577 thatch Substances 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Marine Sciences & Fisheries (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a slip type hydraulic control inner fishing tool for fishing underground pipe tools and pipe falling objects in the oil and gas well development process. The slip type hydraulic control inner fishing tool can effectively achieve recycle of the underground pipe tools and fishing operation for the gas falling objects. According to the technical scheme, the upper end of an upper barrel is in screwed connection with a coiled tubing, the upper end of a conical barrel is in screwed connection with the lower end of the upper barrel, the lower end of he conical barrel is in screwed connection with the upper end of a guiding shoe, one end of a connecting rod is hinged to the upper end of a slip, the other end of the connecting rod is hinged to a hinge support at the lower end of a sleeve, a garter spring is installed an arc groove in the outer side of the slip, a spring is installed on a protruding step on the lower portion of the upper barrel, a bearing pedestal and two thrust bearings are integrally arranged in an inner cavity of a thrust shell, one end of a siding pin is in screwed connection with a rotary sealing cover threaded counter bore, and the other end of the sliding pin is inserted into a sliding groove rail on the upper portion of the upper barrel. The slip is hydraulically controlled to be stretched in the radial direction, and it is ensured that fishing is efficient and reliable; slip stretching and retraction can be controlled unlimited times according to operation requirements.
Description
Technical field
The present invention relates to a kind of Oil/gas Well development process is salvaged the interior salvaging of slip-type hydraulic control of down-hole tubing instrument and tubing fish
Instrument.
Background technology
In Oil/gas Well development process, the downhole tool being largely used to oil-gas mining, such as storm valve, down-hole joint can be used
The stream instrument such as device, submersible electric pump and equipment.After the downhole tool of this type of exploitation uses a period of time, need instrument is carried out
Salvaging, it is a very important job that down-hole development equipment the most fast and effeciently carries out salvaging.Additionally, at oil/gas drilling
With in development process, the fish that the situation such as drill string, oil pipe break that is all likely to occur causes drop shaft bottom accident occur, once
There is this type of fish trouble, be necessary for fish is carried out fishing.
The principle of fishing is fast and effeciently to carry out downhole tool and fish salvaging reclaiming, and otherwise can affect normal oil gas
Mining operations, causes huge economic loss, at some in particular cases, it is impossible to salvage down-hole fish in time it is also possible to cause
The generation of security incident.So the fishing tool of highly effective and safe is on-the-spot indispensable visual plant.Currently used fishing tool kind
Class is various, and function is the most single, requires higher to fish, and fishing success ratio also difference is relatively big, and the salvaging of a lot of fishing tools becomes
Power is the highest.It is currently used for the fishing tool of tubing fish to use and most common drag for thatch exactly, drags for thatch and go deep into tubing fish at top of fish
Inner chamber, utilizes claw stuck fish top to carry out fishing.But it is difficult to go deep into fish inner chamber owing to dragging for thatch, the most easily sends out
Raw claw, in the situation of top of fish sliding, causes fishing failure.
Summary of the invention
It is an object of the invention to: in order to effectively realize the recovery to down-hole tubing instrument and the fishing of tubing fish, special offer
Fishing tool in a kind of slip-type hydraulic control.
In order to achieve the above object, the present invention is by the following technical solutions: fishing tool in a kind of slip-type hydraulic control, is by top cylinder
Body, sliding pin, rotary closure, thrust housing, thrust bearing, bearing block, spring base, spring, sleeve, connecting rod, garter spring,
Slips, taper cone barrel and guide shoe are constituted；Its architectural feature is: upper shell upper end and coiled tubing screwed connection；Upper shell cylindrical
Top arranges a circle chute track, and chute rail inferior portion is axially arranged long groove track and short groove track, long groove track and short grooved rail
Road is spaced, is provided with oblique orbit connection between long groove track and short groove track, and it is protruding that upper shell cylindrical bottom arranges a circle
Step, below the raised step of upper shell, circumference is uniformly arranged three through hole connection interior or exterior spaces；Taper cone barrel cylindrical bottom is set to
Taper seat；Guide shoe cylindrical is set to cone, and guide shoe inner chamber is set to spray-hole；Taper cone barrel upper end and the screwed connection of upper shell lower end,
Taper cone barrel lower end and the screwed connection of guide shoe upper end；Being set to arc surface inside slips, slips lower inside arc surface is provided with tapering,
Slips outer lower portion is set to zigzag, and slips outer upper arranges an arc groove, and slips upper end arranges a groove, groove two
Side is provided with through hole；Barrel bore bottom arranges a circle raised step, and sleeve lower end circumference is uniformly arranged six hinged-supports, sleeve
Upper end cylindrical is provided with male thread, and sleeve upper end inner chamber is provided with box thread, and upper cartridge circumference is uniformly arranged three through hole connections
Interior or exterior space；Connecting rod one end is provided with manhole, and the other end is provided with waist through hole；Connecting rod one end and slips upper end thereof,
The hinged-support of the connecting rod other end and sleeve lower end is hinged；Sleeve is inserted in the cylindrical of upper shell and taper cone barrel, slips lower inside and circle
Cone cylinder lower cone face contacts；Garter spring is arranged in slips outer arc groove；Spring is arranged on upper shell lower lobes step,
Spring is in compressive state；Spring base and the box thread screwed connection of sleeve upper end；Bearing block cylindrical bottom arranges a circle raised step,
Two thrust bearings are separately mounted to upper surface and the lower surface of bearing block raised step；It is convex that thrust housing cavity top arranges a circle
Playing step, bearing block and two thrust bearing entirety insert thrust housing cavity, thrust housing lower end and sleeve upper end male thread silk
Button connects；Bearing block upper end and the screwed connection of rotary closure lower end；Rotary closure top circumference is uniformly arranged two screw-threaded counterbore；
Sliding pin one end and rotary closure screw-threaded counterbore screwed connection, the sliding pin other end inserts in the chute track on upper shell top.
The invention has the beneficial effects as follows: under (1) lower going-into-well of the present invention after tubing instrument and tubing fish inner chamber, utilize hydraulic control
Slips radially struts, it is ensured that salvage high efficient and reliable；(2) present invention can eject high-pressure fluid from the spray-hole of guide shoe, to well
Silt in lower tubing instrument and tubing fish is rinsed, it is ensured that the present invention can enter down；(3) present invention can basis
Job requirements, unlimited control slips struts and regains；(4) present invention and coiled tubing connect and use, under enter and lifting velocity
Hurry up, save time cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of fishing tool slips softened state in the present invention a kind of slip-type hydraulic control；
Fig. 2 is the structural representation of fishing tool slips retracted state in the present invention a kind of slip-type hydraulic control；
Fig. 3 is the three dimensional structure schematic diagram of upper shell of the present invention, sleeve, slips and taper cone barrel；
In figure: 1. upper shell, 2. sliding pin, 3. rotary closure, 4. thrust housing, 5. thrust bearing, 6. bearing block, 7. spring base,
8. spring, 9. sleeve, 10. connecting rod, 11. garter springs, 12. slips, 13. taper cone barrels, 14. guide shoes.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, fishing tool in one slip-type hydraulic control of the present invention, be by upper shell 1, sliding pin 2,
Rotary closure 3, thrust housing 4, thrust bearing 5, bearing block 6, spring base 7, spring 8, sleeve 9, connecting rod 10, garter spring
11, slips 12, taper cone barrel 13 and guide shoe 14 are constituted；Its architectural feature is: upper shell 1 upper end and coiled tubing screw thread are even
Connect；Upper shell 1 cylindrical top arranges a circle chute track, and chute rail inferior portion is axially arranged long groove track and short groove track,
Long groove track and short groove track are spaced, are provided with oblique orbit connection, outside upper shell 1 between long groove track and short groove track
Circle bottom arranges a circle raised step, and below upper shell 1 raised step, circumference is uniformly arranged three through hole connection interior or exterior spaces；Circle
Cone cylinder 13 cylindrical bottom is set to taper seat；Guide shoe 14 cylindrical is set to cone, and guide shoe 14 inner chamber is set to spray-hole；Circular cone
Cylinder 13 upper ends and upper shell 1 lower end screwed connection, taper cone barrel 13 lower end and guide shoe 14 upper end screwed connection；Inside slips 12
Being set to arc surface, slips 12 lower inside arc surface is provided with tapering, and slips 12 outer lower portion is set to zigzag, slips
12 outer upper arrange an arc groove, and slips 12 upper end arranges a groove, and groove both sides are provided with through hole；Sleeve 9 inner chamber
Bottom arranges a circle raised step, and sleeve 9 lower end circumference is uniformly arranged six hinged-supports, and sleeve 9 upper end cylindrical is provided with public spiral shell
Stricture of vagina, sleeve 9 upper end inner chamber is provided with box thread, and sleeve 9 top circumference is uniformly arranged three through hole connection interior or exterior spaces；Connecting rod
10 one end are provided with manhole, and the other end is provided with waist through hole；Connecting rod 10 one end and slips 12 upper end thereof, connecting rod 10
The hinged-support of the other end and sleeve 9 lower end is hinged；Sleeve 9 is inserted in upper shell 1 and the cylindrical of taper cone barrel 13, inside slips 12
Bottom contacts with taper cone barrel 13 lower cone face；Garter spring 11 is arranged in slips 12 outer arc groove；Spring 8 is arranged on
On cylinder 1 lower lobes step, spring 8 is in compressive state；Spring base 7 and the box thread screwed connection of sleeve 9 upper end；Axle
Bearing 7 cylindrical bottom arranges a circle raised step, and two thrust bearings 5 are separately mounted to the upper surface of bearing block 6 raised step
And lower surface；Thrust housing 4 inner chamber top arranges a circle raised step, bearing block 6 and two thrust bearing 5 entirety and inserts and push away
Power housing 4 inner chamber, thrust housing 4 lower end and the male thread screwed connection of sleeve 9 upper end；Bearing block 6 upper end and rotary closure 3
Lower end screwed connection；Rotary closure 3 top circumference is uniformly arranged two screw-threaded counterbore；Sliding pin 2 one end and rotary closure 3 screw thread
Counterbore screwed connection, sliding pin 2 other end inserts in the chute track on upper shell 1 top.
In the present invention a kind of slip-type hydraulic control, the operation principle of fishing tool is: the present invention and coiled tubing connect, under enter the present invention
To tubing instrument or tubing fish upper end, turn on pump circulating fluid, drilling fluid sprays from the spray-hole of guide shoe 14, to salvaging mesh
Mark is rinsed；Termination of pumping after flushing；Continue to transfer the present invention to tubing instrument or the design attitude of tubing fish inner chamber,
Turn on pump circulating fluid, confirms card, 12 radially strut after on carry coiled tubing；If the not radially support of slips 12 of turn on pump
Opening, then turn on pump again after termination of pumping, slips 12 can radially strut.
Claims (3)
1. a fishing tool in slip-type hydraulic control, is by upper shell (1), sliding pin (2), rotary closure (3), thrust housing
(4), thrust bearing (5), bearing block (6), spring base (7), spring (8), sleeve (9), connecting rod (10), garter spring (11),
Slips (12), taper cone barrel (13) and guide shoe (14) are constituted；It is characterized in that: upper shell (1) upper end and coiled tubing silk
Button connects；Taper cone barrel (13) cylindrical bottom is set to taper seat；Guide shoe (14) cylindrical is set to cone, in guide shoe (14)
Chamber is set to spray-hole；Taper cone barrel (13) upper end and upper shell (1) lower end screwed connection, taper cone barrel (13) lower end and guide shoe
(14) upper end screwed connection；Sleeve (9) inner chamber bottom arranges a circle raised step, and sleeve (9) lower end circumference is uniformly arranged
Six hinged-supports, sleeve (9) upper end cylindrical is provided with male thread, and sleeve (9) upper end inner chamber is provided with box thread, sleeve (9)
Top circumference is uniformly arranged three through hole connection interior or exterior spaces；Connecting rod (10) one end is provided with manhole, and the other end is provided with
Waist through hole；Connecting rod (10) one end and slips (12) upper end thereof, connecting rod (10) other end and the hinge of sleeve (9) lower end
Bearing is hinged；Sleeve (9) is inserted in upper shell (1) and the cylindrical of taper cone barrel (13), slips (12) lower inside and circular cone
The contact of cylinder (13) lower cone face；Garter spring (11) is arranged in slips (12) outer arc groove；Spring (8) is arranged on
On upper shell (1) lower lobes step, spring (8) is in compressive state；Spring base (7) and sleeve (9) upper end mother's spiral shell
Stricture of vagina screwed connection；Bearing block (7) cylindrical bottom arranges a circle raised step, and two thrust bearings (5) are separately mounted to bearing
The upper surface of seat (6) raised step and lower surface；Thrust housing (4) inner chamber top arranges a circle raised step, bearing block (6)
Thrust housing (4) inner chamber, thrust housing (4) lower end and sleeve (9) upper end public affairs are inserted with two thrust bearing (5) entirety
Screw thread connects；Bearing block (6) upper end and rotary closure (3) lower end screwed connection；Rotary closure (3) top circumference is all
Even two screw-threaded counterbore are set；Sliding pin (2) one end and rotary closure (3) screw-threaded counterbore screwed connection, sliding pin (2) other end
Insert in the chute track on upper shell (1) top.
Fishing tool in slip-type hydraulic control the most according to claim 1, is characterized in that: on described upper shell (1) cylindrical
Portion arranges a circle chute track, and chute rail inferior portion is axially arranged long groove track and short groove track, long groove track and short groove track
Spaced, it is provided with oblique orbit connection between long groove track and short groove track, it is convex that upper shell (1) cylindrical bottom arranges a circle
Playing step, below upper shell (1) raised step, circumference is uniformly arranged three through hole connection interior or exterior spaces.
Fishing tool in slip-type hydraulic control the most according to claim 1, is characterized in that: described slips (12) inner side is arranged
For arc surface, slips (12) lower inside arc surface is provided with tapering, and slips (12) outer lower portion is set to zigzag, card
Watt (12) outer upper arranges an arc groove, and slips (12) upper end arranges a groove, and groove both sides are provided with through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610299081.9A CN105863544B (en) | 2016-05-09 | 2016-05-09 | Fishing tool in a kind of slip-type hydraulic control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610299081.9A CN105863544B (en) | 2016-05-09 | 2016-05-09 | Fishing tool in a kind of slip-type hydraulic control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105863544A true CN105863544A (en) | 2016-08-17 |
| CN105863544B CN105863544B (en) | 2018-03-27 |
Family
ID=56631342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610299081.9A Expired - Fee Related CN105863544B (en) | 2016-05-09 | 2016-05-09 | Fishing tool in a kind of slip-type hydraulic control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105863544B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060679A (en) * | 2017-04-25 | 2017-08-18 | 西南石油大学 | A kind of screw rod hydraulic returnable fishing tool |
| CN107227938A (en) * | 2017-07-12 | 2017-10-03 | 中国石油集团西部钻探工程有限公司 | Well rotary guide shoe assembly can be repaired |
| CN107701139A (en) * | 2017-10-24 | 2018-02-16 | 西华大学 | Fishing tool in a kind of steel wire rope pipe |
| CN108019176A (en) * | 2016-11-02 | 2018-05-11 | 德州隆科石油装备有限公司 | A kind of cementing device fisher |
| CN109138889A (en) * | 2018-09-26 | 2019-01-04 | 华蓥市铜堡初级中学 | fishing device for oil well |
| CN112145112A (en) * | 2020-11-10 | 2020-12-29 | 西南石油大学 | Electric-drive labor-throwing type milling and fishing combined tool |
| CN115584943A (en) * | 2022-10-28 | 2023-01-10 | 西南石油大学 | Hand-throwing buckle type downhole fishing tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888060Y (en) * | 2006-05-19 | 2007-04-11 | 冀东石油勘探开发公司 | Anti-drop releasing type left hand fishing spear |
| CN200946477Y (en) * | 2006-05-11 | 2007-09-12 | 冀东石油勘探开发公司 | Multifunctional hydraulic quit type reversing fishing device capable of resisting falling |
| CN201661261U (en) * | 2010-04-19 | 2010-12-01 | 中国石油化工集团公司 | Well casing positioning and reversing tool |
| US20150034321A1 (en) * | 2013-08-01 | 2015-02-05 | Baker Hughes Incorporated | Downhole Spear Having Mechanical Release Mechanism for Use in Wellbores and Methods of Using Same |
| CN105545225A (en) * | 2016-01-07 | 2016-05-04 | 西南石油大学 | Horizontal well drill stem feeding tool |
| CN105545241A (en) * | 2016-01-07 | 2016-05-04 | 西南石油大学 | Slip-type internal fisher for coiled tube |
-
2016
- 2016-05-09 CN CN201610299081.9A patent/CN105863544B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200946477Y (en) * | 2006-05-11 | 2007-09-12 | 冀东石油勘探开发公司 | Multifunctional hydraulic quit type reversing fishing device capable of resisting falling |
| CN2888060Y (en) * | 2006-05-19 | 2007-04-11 | 冀东石油勘探开发公司 | Anti-drop releasing type left hand fishing spear |
| CN201661261U (en) * | 2010-04-19 | 2010-12-01 | 中国石油化工集团公司 | Well casing positioning and reversing tool |
| US20150034321A1 (en) * | 2013-08-01 | 2015-02-05 | Baker Hughes Incorporated | Downhole Spear Having Mechanical Release Mechanism for Use in Wellbores and Methods of Using Same |
| CN105545225A (en) * | 2016-01-07 | 2016-05-04 | 西南石油大学 | Horizontal well drill stem feeding tool |
| CN105545241A (en) * | 2016-01-07 | 2016-05-04 | 西南石油大学 | Slip-type internal fisher for coiled tube |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019176A (en) * | 2016-11-02 | 2018-05-11 | 德州隆科石油装备有限公司 | A kind of cementing device fisher |
| CN108019176B (en) * | 2016-11-02 | 2024-04-26 | 德州隆科石油装备有限公司 | Cement injection device fisher |
| CN107060679A (en) * | 2017-04-25 | 2017-08-18 | 西南石油大学 | A kind of screw rod hydraulic returnable fishing tool |
| CN107227938A (en) * | 2017-07-12 | 2017-10-03 | 中国石油集团西部钻探工程有限公司 | Well rotary guide shoe assembly can be repaired |
| CN107227938B (en) * | 2017-07-12 | 2023-07-07 | 中国石油天然气集团有限公司 | Repairable rotary guide shoe assembly for well bore |
| CN107701139A (en) * | 2017-10-24 | 2018-02-16 | 西华大学 | Fishing tool in a kind of steel wire rope pipe |
| CN109138889A (en) * | 2018-09-26 | 2019-01-04 | 华蓥市铜堡初级中学 | fishing device for oil well |
| CN112145112A (en) * | 2020-11-10 | 2020-12-29 | 西南石油大学 | Electric-drive labor-throwing type milling and fishing combined tool |
| CN112145112B (en) * | 2020-11-10 | 2022-04-15 | 西南石油大学 | Electric drive throwing-fishing type milling-fishing combined tool |
| CN115584943A (en) * | 2022-10-28 | 2023-01-10 | 西南石油大学 | Hand-throwing buckle type downhole fishing tool |
| CN115584943B (en) * | 2022-10-28 | 2024-04-16 | 西南石油大学 | Buckle type downhole throwing and fishing tool capable of being released |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105863544B (en) | 2018-03-27 |
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Granted publication date: 20180327 |