CN105863544B - Fishing tool in a kind of slip-type hydraulic control - Google Patents
Fishing tool in a kind of slip-type hydraulic control Download PDFInfo
- Publication number
- CN105863544B CN105863544B CN201610299081.9A CN201610299081A CN105863544B CN 105863544 B CN105863544 B CN 105863544B CN 201610299081 A CN201610299081 A CN 201610299081A CN 105863544 B CN105863544 B CN 105863544B
- Authority
- CN
- China
- Prior art keywords
- slips
- sleeve
- upper shell
- screwed connection
- hinged
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
The present invention relates to fishing tool in the slip-type hydraulic control that underground tubing instrument and tubing fish are salvaged in a kind of Oil/gas Well development process.It can effectively realize the fishing of the recovery and tubing fish to underground tubing instrument.Its technical scheme is：Upper shell upper end and coiled tubing screwed connection；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；Connecting rod one end and slips upper end are hinged, and the hinged-support of the connecting rod other end and sleeve lower end is hinged；Garter spring is arranged in slips outer arc groove；Spring is arranged on upper shell lower lobes step；Bearing block and two thrust bearings integrally insert thrust housing cavity；Sliding pin one end and rotary closure screw-threaded counterbore screwed connection, the sliding pin other end are inserted in the chute track on upper shell top.The present invention is radially strutted using hydraulic control slips, ensures to salvage high efficient and reliable；Infinitely slips can be controlled to strut and withdraw according to job requirements.
Description
Technical field
The present invention relates to underground tubing instrument and the slip-type liquid of tubing fish are salvaged in a kind of Oil/gas Well development process
Fishing tool in control.
Background technology
In Oil/gas Well development process, the downhole tool for being largely used to oil-gas mining, such as storm valve, well can be used
Instrument and the equipment such as lower flow controller, submersible electric pump.Such exploitation downhole tool use a period of time after, it is necessary to instrument
Salvaged, it is a very important job that salvaging how is fast and effeciently carried out to underground development equipment.In addition, in oil gas
In drilling well and development process, the drop accident in shaft bottom of fish caused by situations such as being likely to occur drill string, oil pipe break occurs,
Once the such fish trouble of generation, must just fishing be carried out to fish.
The principle of fishing is fast and effeciently to carry out salvaging recovery to downhole tool and fish, otherwise can be influenceed normal
Oil-gas mining operation, cause huge economic loss, at some in particular cases, it is impossible in time salvage underground fish also have can
The generation of security incident can be caused.So the fishing tool of highly effective and safe is live indispensable visual plant.What is used at present beats
Fishing combined tool species is various, and function phase requires higher to single, to fish, and also difference is larger for fishing success ratio, many fishing tools
Fishing success ratio it is not high.Be currently used for the fishing tool of tubing fish using it is most common be exactly to drag for thatch, it is deep in top of fish to drag for thatch
Enter tubing fish inner chamber, fishing is carried out using the stuck fish top of claw.But be difficult to go deep into fish inner chamber due to dragging for thatch,
The situation that claw slides in top of fish often easily occurs, causes fishing to fail.
The content of the invention
The purpose of the present invention is：In order to effectively realize the recovery to underground tubing instrument and the fishing of tubing fish,
Spy provides fishing tool in a kind of slip-type hydraulic control.
In order to achieve the above object, the present invention uses following technical scheme：Fishing tool in a kind of slip-type hydraulic control, be by
Upper shell, sliding pin, rotary closure, thrust housing, thrust bearing, bearing block, spring base, spring, sleeve, connecting rod, garter spring, card
Watt, taper cone barrel and guide shoe form；Its architectural feature is：Upper shell upper end and coiled tubing screwed connection；On upper shell is cylindrical
Portion sets 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, and oblique orbit connection is provided between long groove track and short groove track, and the cylindrical bottom of upper shell sets a circle convex
Step is played, three through holes connection interior or exterior spaces are circumferentially uniformly arranged below the raised step of upper shell；The cylindrical bottom of taper cone barrel is set
It is set to circular conical surface；Guide shoe is cylindrical to be arranged to cone, and guide shoe inner chamber is arranged to spray-hole；Taper cone barrel upper end and upper shell lower end screw thread
Connection, taper cone barrel lower end and the screwed connection of guide shoe upper end；Arc surface is arranged on the inside of slips, slips lower inside arc surface is set
Tapered, slips outer lower portion is arranged to zigzag, and slips outer upper sets an arc groove, and slips upper end sets one recessed
Groove, groove both sides are provided with through hole；Barrel bore bottom sets a circle raised step, and sleeve lower end is circumferentially uniformly arranged six hinges
Bearing, sleeve upper end is cylindrical to be provided with male thread, and sleeve upper end inner chamber is provided with box thread, and upper cartridge is circumferentially uniformly arranged three
Individual through hole connects 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 is hinged, and 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, in slips
Side lower part and the contact of taper cone barrel lower cone face；Garter spring is arranged in slips outer arc groove；Spring is arranged under upper shell
In portion's raised step, spring is in compressive state；Spring base and the box thread screwed connection of sleeve upper end；The cylindrical bottom of bearing block is set
A circle raised step is put, two thrust bearings are separately mounted to the upper surface and lower surface of bearing block raised step；Thrust housing
Inner chamber top sets a circle raised step, and bearing block and two thrust bearings integrally insert thrust housing cavity, under thrust housing
End and the male thread screwed connection of sleeve upper end；Bearing block upper end and the screwed connection of rotary closure lower end；Rotary closure top is circumferential
It is uniformly arranged two screw-threaded counterbores；Sliding pin one end and rotary closure screw-threaded counterbore screwed connection, sliding pin other end insertion upper shell
In the chute track on top.
The beneficial effects of the invention are as follows：(1) behind tripping in downhole tubular class instrument of the present invention and tubing fish inner chamber, hydraulic pressure is utilized
Control slips radially struts, and ensures to salvage high efficient and reliable；(2) present invention can eject high-pressure fluid from the spray-hole of guide shoe,
Silt in underground tubing instrument and tubing fish is rinsed, ensures that the present invention can effective tripping in；(3) present invention can be with
According to job requirements, slips is controlled to strut and withdraw infinitely；(4) present invention connects use, tripping in and raising with coiled tubing
Speed is fast, saves time cost.
Brief description of the drawings
Fig. 1 is the structural representation of fishing tool slips softened state in a kind of slip-type hydraulic control of the present invention；
Fig. 2 is the structural representation of fishing tool slips retracted state in a kind of slip-type hydraulic control of the present invention；
Fig. 3 is the three dimensional structure diagram of upper shell of the present invention, sleeve, slips and taper cone barrel；
In figure：1. upper shell, 2. sliding pins, 3. rotary closures, 4. thrust housings, 5. thrust bearings, 6. bearing blocks, 7. springs
Seat, 8. springs, 9. sleeves, 10. connecting rods, 11. garter springs, 12. slips, 13. taper cone barrels, 14. guide shoes.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, fishing tool in a kind of 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
12nd, taper cone barrel 13 and guide shoe 14 are formed；Its architectural feature is：The upper end of upper shell 1 and coiled tubing screwed connection；Upper shell 1
Cylindrical top sets a circle chute track, and chute rail inferior portion is axially arranged a long groove track and short groove track, long groove track and
Short groove track is spaced, and oblique orbit connection is provided between long groove track and short groove track, and 1 cylindrical bottom of upper shell is set
One circle raised step, the raised step of upper shell 1 lower section is circumferential to be uniformly arranged three through holes connection interior or exterior spaces；Taper cone barrel 13 is cylindrical
Bottom is arranged to circular conical surface；Guide shoe 14 is cylindrical to be arranged to cone, and the inner chamber of guide shoe 14 is arranged to spray-hole；The upper end of taper cone barrel 13 and upper
The lower end screwed connection of cylinder 1, the lower end of taper cone barrel 13 and the upper end screwed connection of guide shoe 14；The inner side of slips 12 is arranged to arc surface, blocks
Watt 12 lower inside arc surfaces set tapered, and the outer lower portion of slips 12 is arranged to zigzag, and the outer upper of slips 12 sets one
Arc groove, the upper end of slips 12 set a groove, and groove both sides are provided with through hole；The inner chamber bottom of sleeve 9 sets a raised platform of circle
Rank, the lower end of sleeve 9 are circumferentially uniformly arranged six hinged-supports, and the upper end of sleeve 9 is cylindrical to be provided with male thread, and the upper end inner chamber of sleeve 9 is set
Box thread is equipped with, the top of sleeve 9 is circumferentially uniformly arranged three through hole connection interior or exterior spaces；The one end of connecting rod 10 is provided with circular logical
Hole, the other end are provided with waist through hole；The one end of connecting rod 10 and the upper end of slips 12 are hinged, the other end of connecting rod 10 and the lower end of sleeve 9
Hinged-support is hinged；Sleeve 9 is inserted in cylindrical, the lower inside of slips 12 and the lower cone of taper cone barrel 13 of upper shell 1 and taper cone barrel 13
Face contacts；Garter spring 11 is arranged in the outer arc groove of slips 12；Spring 8 is arranged on the lower lobes step of upper shell 1, spring
8 are in compressive state；Spring base 7 and the upper end box thread screwed connection of sleeve 9；6 cylindrical bottom of bearing block sets a raised platform of circle
Rank, two thrust bearings 5 are separately mounted to the upper surface and lower surface of the raised step of bearing block 6；The inner chamber top of thrust housing 4 is set
A circle raised step is put, bearing block 6 and two entirety of thrust bearings 5 insert the inner chamber of thrust housing 4, the lower end of thrust housing 4 and set
9 upper end male thread screwed connections of cylinder；The upper end of bearing block 6 and the lower end screwed connection of rotary closure 3；The top of rotary closure 3 is circumferentially equal
Two screw-threaded counterbores of even setting；The one end of sliding pin 2 and the screw-threaded counterbore screwed connection of rotary closure 3, the other end of sliding pin 2 insertion upper shell
In the chute track on 1 top.
The operation principle of fishing tool is in a kind of slip-type hydraulic control of the present invention：The present invention connects with coiled tubing, tripping in
The present invention is to tubing instrument or tubing fish upper end, and turn on pump circulating fluid, drilling fluid sprays from the spray-hole of guide shoe 14, right
Target is salvaged to be rinsed；Termination of pumping after flushing；Continue the decentralization present invention setting to tubing instrument or tubing fish inner chamber
Position is counted, turn on pump circulating fluid, confirms that the radial direction of slips 12 above carries coiled tubing after strutting；If slips 12 of turn on pump
Do not strut radially, then turn on pump, slips 12 can be strutted radially again after termination of pumping.
Claims (3)
1. fishing tool in a kind of slip-type hydraulic control, 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), circle
Cone cylinder (13) and guide shoe (14) are formed；It is characterized in that：Upper shell (1) upper end and coiled tubing screwed connection；Taper cone barrel (13)
Cylindrical bottom is arranged to circular conical surface；Guide shoe (14) is cylindrical to be arranged to cone, and guide shoe (14) inner chamber is arranged 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 sets a circle raised step, and sleeve (9) lower end is circumferentially uniformly arranged six hinged-supports, and sleeve (9) upper end is cylindrical to be set
Male thread is equipped with, sleeve (9) upper end inner chamber is provided with box thread, and sleeve (9) top is circumferentially uniformly arranged in three through hole connections
The external space；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 is hinged, and the hinged-support of connecting rod (10) other end and sleeve (9) lower end is hinged；Sleeve (9) is inserted in upper shell (1) and taper cone barrel
(13) cylindrical, slips (12) lower inside and the contact of taper cone barrel (13) lower cone face；Garter spring (11) is arranged on slips (12)
In outer arc groove；Spring (8) is arranged on upper shell (1) lower lobes step, and spring (8) is in compressive state；Spring
Seat (7) and sleeve (9) upper end box thread screwed connection；The cylindrical bottom of bearing block (6) sets a circle raised step, two thrust axis
Hold upper surface and lower surface that (5) are separately mounted to bearing block (6) raised step；Thrust housing (4) inner chamber top sets a circle
Raised step, bearing block (6) and two thrust bearings (5) integrally insert thrust housing (4) inner chamber, thrust housing (4) lower end and
Sleeve (9) upper end male thread screwed connection；Bearing block (6) upper end and rotary closure (3) lower end screwed connection；Rotary closure (3)
Top is circumferentially uniformly arranged two screw-threaded counterbores；Sliding pin (2) one end and rotary closure (3) screw-threaded counterbore screwed connection, sliding pin (2)
In the chute track on other end insertion upper shell (1) top.
2. fishing tool in slip-type hydraulic control according to claim 1, it is characterized in that：The cylindrical top of the upper shell (1)
One circle chute track is set, and chute rail inferior portion is axially arranged long groove track and short groove track, long groove track and short groove track
It is spaced, oblique orbit connection is provided between long groove track and short groove track, the cylindrical bottom of upper shell (1) sets a circle convex
Step is played, three through holes connection interior or exterior spaces are circumferentially uniformly arranged below upper shell (1) raised step.
3. fishing tool in slip-type hydraulic control according to claim 1, it is characterized in that：It is arranged on the inside of the slips (12)
Arc surface, the setting of slips (12) lower inside arc surface is tapered, and slips (12) outer lower portion is arranged to zigzag, slips (12)
Outer upper sets an arc groove, and slips (12) upper end sets 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 CN105863544A (en) | 2016-08-17 |
| CN105863544B true 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) |
Families Citing this family (6)
| 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 |
| CN107060679B (en) * | 2017-04-25 | 2023-04-21 | 西南石油大学 | Screw rod hydraulic pressure can move back formula fishing tool |
| 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 |
| CN107701139B (en) * | 2017-10-24 | 2019-07-19 | 西华大学 | Fishing tool in a kind of wirerope pipe |
| CN109138889A (en) * | 2018-09-26 | 2019-01-04 | 华蓥市铜堡初级中学 | fishing device for oil well |
| CN112145112B (en) * | 2020-11-10 | 2022-04-15 | 西南石油大学 | Electric drive throwing-fishing type milling-fishing combined tool |
Citations (5)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9637992B2 (en) * | 2013-08-01 | 2017-05-02 | Baker Hughes Incorporated | Downhole spear having mechanical release mechanism for use in wellbores and methods of using same |
-
2016
- 2016-05-09 CN CN201610299081.9A patent/CN105863544B/en not_active Expired - Fee Related
Patent Citations (5)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105863544A (en) | 2016-08-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |