CN106437595A - Automatic arm retraction type putting and fishing device - Google Patents
Automatic arm retraction type putting and fishing device Download PDFInfo
- Publication number
- CN106437595A CN106437595A CN201611185871.0A CN201611185871A CN106437595A CN 106437595 A CN106437595 A CN 106437595A CN 201611185871 A CN201611185871 A CN 201611185871A CN 106437595 A CN106437595 A CN 106437595A
- Authority
- CN
- China
- Prior art keywords
- lockwheel
- main body
- pawl
- pulling pawl
- pulling
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 208000009782 Plagiocephaly Diseases 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 abstract 6
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000007306 turnover 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
Landscapes
- 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 relates to an automatic arm retraction type putting and fishing device. A putting and fishing claw (5) is composed of an upper putting and fishing claw (52), a lower putting and fishing claw (53), a pup joint (54), a pressure spring (55) and a pressure feed head or a fishing head (56). The automatic arm retraction type putting and fishing device further comprises a sliding block (57), a push-pull rod (58) and a tension-pressure dual-purpose spring (59). The sliding block (57) is installed on a sliding track (22) of an upper body 2 in a sliding mode, a sliding block stop mechanism (7) is arranged on the sliding block (57), an upper locking groove (23) and a lower locking groove (24) are formed in the upper end and the lower end of the sliding track (22) respectively, one end of the push-pull rod (58) is hinged to the pup joint (54), the other end of the push-pull rod (58) is hinged to the sliding block (57), one end of the tension-pressure dual-purpose spring (59) is connected to the middle of the upper putting and fishing claw (52), and the other end of the tension-pressure dual-purpose spring (59) is connected with the sliding block (57). The putting and fishing claw of the automatic arm retraction type putting and fishing device is spread under a well and can be automatically retracted into the upper body after the putting and fishing process is finished, the putting and fishing claw can continue to be put into the position below a water distributor, and the overall working progress of an oil field can be easily accelerated.
Description
Technical field
The present invention relates to petroleum tool is and in particular to a kind of can be automatically by the plug for eccentricity hole of pulling pawl withdrawal
Throw in catcher.
Background technology
Eccentric injection mandrel throw in catcher is a kind of instrument of the blanking plug for the inclined in the hole of pulling down-hole eccentric device, and it was both
Can be used for throwing, drag for blanking plug it is also possible to changing water nozzle, very convenient to use.But existing eccentric injection mandrel throw in catcher
Pulling pawl can not automatically take in main body after throwing is opened in down-hole, the process of dragging for terminates, the pulling pawl opened during decentralization can be subject to
Card leads to throw in catcher cannot continue to throw in below injection well downhole flow regulator, therefore cannot match with other instruments and carry out next step operation,
It is unfavorable for improving oil field overall operation progress.
Content of the invention
It is an object of the invention to provide a kind of pulling pawl open throwing in down-hole, the process of dragging for can automatically take in after terminating main
In vivo, can continue to throw in below injection well downhole flow regulator, during decentralization, throw in catcher will not be blocked, and can match with other instruments under carrying out
One-shot job, is conducive to improving the arm-type throw in catcher of automatic receipts of oil field overall operation progress.
The technical solution of the present invention is：It includes rope socket, on one or two, main body, lower main body and bottom are blocked up, upper master
The upper end of body is axially connected with the lower end of rope socket by screw thread, lower end is connected with the top axial of lower main body by screw thread, or on
In side the upper end of main body pass through screw thread and rope socket lower end be axially connected, the top axial by main body on screw thread and lower section for the lower end
It is connected, on lower section, the lower end of main body is connected with the top axial of lower main body by screw thread, screw thread and bottom are passed through in the lower end of lower main body
Stifled be axially connected, upper main body is passed through lockwheel axle and is rotatablely equipped with lockwheel assembly, is cut with scissors by the hinged upper end that is provided with of pulling pawl axle
Be connected in main body and the pulling pawl that matched with lockwheel in upper end, in lower main body by lockwheel axle be rotatablely equipped with lockwheel assembly,
By guide grab axle is hinged the guide grab that upper end is hinged in lower main body and is matched with lockwheel in upper end is installed, guide grab with
It is provided with guide grab stage clip, pulling pawl by upper pulling pawl, lower pulling pawl, short circuit, stage clip and pressing and sending head or drags for head and constitutes between main body,
The upper end of upper pulling pawl is hinged by pulling pawl axle and upper main body, lower end is hinged with the upper end of lower pulling pawl, under short circuit edge
Sliding axially of pulling pawl is arranged on lower pulling pawl, stage clip be arranged between pulling pawl and short circuit two ends respectively with upper pulling
Pawl and short circuit match, pressing and sending head or drag for head upper end edge under pulling pawl slide axially be arranged on lower pulling pawl, upper end with
Short circuit matches, and it also includes slide block, push-pull bar and the dual-purpose spring of tension and compression, and slide block is arranged on upper master along sliding axially of upper main body
On slideway on body pulling pawl bottom land, slide block is provided with slide block stop mechanism, and the upper and lower ends of slideway are respectively equipped with is stopped with slide block
Upper lock groove and lower lock groove that motivation structure matches, one end of push-pull bar and short circuit are hinged, the other end and slide block are hinged,
One end of the dual-purpose spring of tension and compression is connected to the middle part of pulling pawl, the other end is connected with slide block, and the dual-purpose spring of tension and compression is in pulling
Pulling pawl is ejected when opening in upper main body by pawl, the pulling pawl groove retracting pulling pawl when pulling pawl withdraws in main body
Interior.
The solution have the advantages that：Its pulling pawl opens throwing in down-hole, the process of dragging for can be taken in after terminating automatically
In main body, can continue to throw in below injection well downhole flow regulator, during decentralization, throw in catcher will not be blocked, and can match with other instruments and carry out
Next step operation, is conducive to improving oil field overall operation progress.Its structure is simple, and reliable in action is more convenient to use, solution
The pulling pawl of existing eccentric injection mandrel throw in catcher of having determined can not be taken in main body after down-hole is opened automatically, leads to throw in catcher not
The problem that can continue to throw in below injection well downhole flow regulator.It can effectively reduce the number of times that on well, instrument is thrown in down-hole, can be significantly
Improve pulling and survey speed governing degree, production efficiency of oilfields can be effectively improved.
Brief description
Fig. 1 is embodiment of the present invention sectional view.
Specific embodiment
As shown in figure 1, it include rope socket 1, on one or two main body 2, lower main body 3 and bottom block up 4, the upper end of upper main body 2
Axially it is connected with the lower end of rope socket 1 by screw thread, lower end is connected with the top axial of lower main body 3 by screw thread, or main on top
The upper end of body 2 is axially connected with the lower end of rope socket 1 by screw thread, the top axial phase by main body 2 on screw thread and lower section for the lower end
Even, on lower section, the lower end of main body 2 is connected with the top axial of lower main body 3 by screw thread, and screw thread and bottom are passed through in the lower end of lower main body 3
Stifled 4 are axially connected, and upper main body 2 is passed through lockwheel axle 41 and is rotatablely equipped with lockwheel assembly 4, passes through that pulling pawl axle 51 is hinged to be provided with
The pulling pawl 5 that upper end is hinged in main body 2 and is matched with lockwheel in upper end, lower main body 3 is passed through lockwheel axle 41 and rotates installation
There is lockwheel assembly 4, be provided with that upper end is hinged in lower main body 3 and matched with lockwheel in upper end leads by guide grab axle 61 is hinged
To pawl 6, between guide grab 6 and lower main body 3, it is provided with guide grab stage clip 62, pulling pawl 5 is by upper pulling pawl 52, lower pulling pawl 53, short
Connect 54, stage clip 55 and pressing and sending head or drag for 56 composition, the upper end of upper pulling pawl 52 is mutually cut with scissors with upper main body 2 by pulling pawl axle 51
Connect, lower end is hinged with the upper end of lower pulling pawl 53, short circuit 54 is arranged on lower pulling pawl 53 along sliding axially of lower pulling pawl 53
On, stage clip 55 is arranged on two ends between pulling pawl 52 and short circuit 54 and is matched with upper pulling pawl 52 and short circuit 54 respectively, force feed
Head or under dragging for 56 upper end edge pulling pawl 53 slide axially be arranged on lower pulling pawl 53, matched with short circuit 54 in upper end,
It also includes slide block 57, push-pull bar 58 and the dual-purpose spring of tension and compression 59, and slide block 57 is arranged on upper main body along sliding axially of upper main body 2
On slideway 22 on 2 pulling pawl groove 21 bottom, slide block 57 is provided with slide block stop mechanism 7, and the upper and lower ends of slideway 22 are respectively equipped with
The upper lock groove 23 matching with slide block stop mechanism 7 and lower lock groove 24, one end of push-pull bar 58 and short circuit 54 are hinged, separately
One end is hinged with slide block 57, and one end of the dual-purpose spring of tension and compression 59 is connected to the middle part of pulling pawl 52, the other end and slide block 57
Be connected, the dual-purpose spring of tension and compression 59 pulling pawl 5 from open in main body 2 when pulling pawl 5 is ejected, withdraws in pulling pawl 5 when
Pulling pawl 5 is retracted in the pulling pawl groove 21 in upper main body 2.
Lockwheel assembly 4 in upper main body 2 is made up of lockwheel 42, lockwheel pawl 43 and torsion spring 44, and lockwheel 42 passes through lockwheel axle 41
It is rotatably installed in main body 2, lockwheel pawl 43 is hinged in lockwheel 42 by lockwheel pawl axle, torsion spring 44 is sleeved on lockwheel pawl axle
Above, matched with lockwheel 42 in one end, the other end is matched with lockwheel pawl 43.Lockwheel 42 is provided with and is matched with the upper end of pulling pawl 5
That closes can make throwing after rotating down the fixture block in pulling pawl groove 21 that pulling pawl 5 is stuck in upper main body 2 and lockwheel 42
Drag for the breach matching with pulling pawl 5 upper end that pawl 5 is opened in the pulling pawl groove 21 in upper main body 2.
Lockwheel assembly 4 in lower main body 3 is made up of lockwheel 42, lockwheel pawl 43 and torsion spring 44, and lockwheel 42 passes through lockwheel axle 41
It is rotatably installed in lower main body 3, lockwheel pawl 43 is hinged in lockwheel 42 by lockwheel pawl axle, torsion spring 44 is sleeved on lockwheel pawl axle
Above, matched with lockwheel 42 in one end, the other end is matched with lockwheel pawl 43.Lockwheel 42 is provided with and is matched with the upper end of guide grab 6
Can being directed to of the closing fixture block that pawl 6 is stuck in the guide grab groove 31 in lower main body 3 and lockwheel 42 can make to lead after rotating down
The breach matching with guide grab 6 upper end opened in the guide grab groove 31 in lower main body 3 to pawl 6.
Slide block stop mechanism 7 is by being arranged on the small pressure spring of the locking in the hole perpendicular to slideway 22 direction and steel ball on slide block 57
Or plagiocephaly bayonet lock is constituted, matched with locking hole bottom in one end of small pressure spring, the other end is matched with steel ball or plagiocephaly bayonet lock, steel ball
Or the little half part of plagiocephaly bayonet lock is exposed to and is matched with upper lock groove 23 and lower lock groove 24 outside slide block 57.
Using method：This throw in catcher downwardly turns over lockwheel 42 in main body 2 before putting into down-hole, now slide block 57 be located at
The position that lower lock groove 24 matches, the dual-purpose spring of tension and compression 59 has stage clip function, throwing that can be by pulling pawl 5 in upper main body 2
Drag for eject in pawl groove 21 and open pulling pawl 5.Blanking plug is arranged on pressing and sending head, is connected with shear pin, push pulling pawl 5 simultaneously
It is flipped up lockwheel 42, pulling pawl 5 is locked in the pulling pawl groove 21 of main body 2 on throw in catcher lockwheel 42.Rope by throw in catcher
Cap 1 delivers throw in catcher to down-hole after connecting steel wire rope, reaches and above carries to this injection well downhole flow regulator top after specifying injection well downhole flow regulator bottom.Above carry
When throw in catcher when upper main body 2 and lower main body 3 on lockwheel 42 be hampered and downwardly turn over, pulling pawl 5 and guide grab 6 are respectively from upper main body
Open in 2 upper and lower main bodys 3, deliver throw in catcher still further below, pulling pawl 5 can be by blanking plug under the guide effect of guide grab 6
Put into the inclined in the hole of injection well downhole flow regulator（Or drag for head and salvage blanking plug）.Deliver blanking plug（Or salvaging blanking plug）While pressing and sending head（Or
Drag for head）By counteracting force up by short circuit 54 promote push-pull bar 58, push-pull bar 58 promote slide block 57 go upward to slide block stop machine
Structure 7 is matched with upper lock groove 23 to merge and slide block 57 is locked in lock position on slideway 22 no longer glides, and is connected to pulling pawl
The dual-purpose spring of tension and compression between 52 and slide block 57 59 elongates, and the dual-purpose spring of now tension and compression 59 has extension spring function, and pulling pawl 5 is produced
The raw pulling force reclaiming into pulling pawl groove 22, after being again stepped up throw in catcher, pulling pawl 5 can be retracted by the dual-purpose spring of tension and compression 59 automatically
Receive in the pulling pawl groove 22 in main body 2, continue to deliver downwards in order to throw in catcher.
After effusion meter is connected by well with this throw in catcher, you can delivered after blanking plug again by throw in catcher and effusion meter to
Lower delivery is measured hydrophone bottom flow, so that the stifled device of throwing and measurement of discharge operation is once gone into the well and complete.Throw in catcher pressing and sending head is replaced with
Drag for head, the blanking plug of injection well downhole flow regulator bias in the hole can be pulled out.This kind of throw in catcher can be installed a upper main body 2 and can also install two
Upper main body 2, head is dragged in pulling pawl 5 installation installed in upper main body 2 below during two upper main bodys 2, the pulling pawl in main body 2 on top
5 install pressing and sending head and blanking plug, can once go into the well and complete to pull a blanking plug out and put into another blanking plug, operate province
Work saves time again.
Claims (6)
1. the arm-type throw in catcher of automatic receipts, it includes rope socket（1）, main body on one or two（2）, lower main body（3）Block up the bottom of with（4）,
Upper main body（2）Upper end pass through screw thread and rope socket（1）Lower end be axially connected, screw thread and lower main body are passed through in lower end（3）Upper end
Axially it is connected, or main body on top（2）Upper end pass through screw thread and rope socket（1）Lower end be axially connected, lower end pass through screw thread with
Main body on lower section（2）Top axial be connected, main body on lower section（2）Lower end pass through screw thread and lower main body（3）Top axial
It is connected, lower main body（3）Lower end pass through screw thread and bottom and block up（4）Axially it is connected, upper main body（2）Above pass through lockwheel axle（41）Rotate peace
Equipped with lockwheel assembly（4）, pass through pulling pawl axle（51）The hinged upper end that is provided with is hinged on main body（2）Go up and upper end and lockwheel phase
The pulling pawl of cooperation（5）, lower main body（3）Above pass through lockwheel axle（41）It is rotatablely equipped with lockwheel assembly（4）, pass through guide grab axle
（61）The hinged upper end that is provided with is hinged on lower main body（3）The guide grab being matched with lockwheel in upper and upper end（6）, guide grab（6）With
Lower main body（3）Between be provided with guide grab stage clip（62）It is characterised in that：Pulling pawl（5）By upper pulling pawl（52）, lower pulling pawl
（53）, short circuit（54）, stage clip（55）With pressing and sending head or drag for head（56）Constitute, upper pulling pawl（52）Upper end pass through pulling pawl axle
（51）With upper main body（2）Be hinged, lower end and lower pulling pawl（53）Upper end be hinged, short circuit（54）Along lower pulling pawl（53）'s
Slide axially and be arranged on lower pulling pawl（53）On, stage clip（55）It is arranged on pulling pawl（52）And short circuit（54）Between two ends respectively
With upper pulling pawl（52）And short circuit（54）Match, pressing and sending head or drag for head（56）Upper end edge under pulling pawl（53）Slide axially
It is arranged on lower pulling pawl（53）Above, upper end and short circuit（54）Match, it also includes slide block（57）, push-pull bar（58）With tension and compression two
Use spring（59）, slide block（57）Along upper main body（2）Slide axially and be arranged on main body（2）Pulling pawl groove（21）Slideway on bottom
（22）On, slide block（57）It is provided with slide block stop mechanism（7）, slideway（22）Upper and lower ends be respectively equipped with and slide block stop mechanism
（7）The upper lock groove matching（23）With lower lock groove（24）, push-pull bar（58）One end and short circuit（54）Be hinged, the other end
With slide block（57）It is hinged, the dual-purpose spring of tension and compression（59）One end be connected to pulling pawl（52）Middle part, the other end and slide block
（57）It is connected, the dual-purpose spring of tension and compression（59）In pulling pawl（5）From upper main body（2）On when opening by pulling pawl（5）Eject, throwing
Drag for pawl（5）By pulling pawl during withdrawal（5）Retract main body（2）On pulling pawl groove（21）Interior.
2. automatically receive arm-type throw in catcher as claimed in claim 1 it is characterised in that described upper main body（2）On lockwheel assembly
（4）By lockwheel（42）, lockwheel pawl（43）And torsion spring（44）Constitute, lockwheel（42）By lockwheel axle（41）It is rotatably installed in main body
（2）On, lockwheel pawl（43）Lockwheel is hinged on by lockwheel pawl axle（42）On, torsion spring（44）Be sleeved on lockwheel pawl axle, one end with
Lockwheel（42）Match, the other end and lockwheel pawl（43）Match.
3. automatically receive arm-type throw in catcher as claimed in claim 2 it is characterised in that described lockwheel（42）It is provided with and pulling pawl
（5）Upper end match can be by pulling pawl（5）It is stuck in main body（2）On pulling pawl groove（21）Interior fixture block and lockwheel
（42）Pulling pawl can be made after rotating down（5）From upper main body（2）On pulling pawl groove（21）Inside open with pulling pawl（5）On
Hold the breach matching.
4. automatically receive arm-type throw in catcher as claimed in claim 1 it is characterised in that described lower main body（3）On lockwheel assembly
（4）By lockwheel（42）, lockwheel pawl（43）And torsion spring（44）Constitute, lockwheel（42）By lockwheel axle（41）It is rotatably installed in lower main body
（3）On, lockwheel pawl（43）Lockwheel is hinged on by lockwheel pawl axle（42）On, torsion spring（44）Be sleeved on lockwheel pawl axle, one end with
Lockwheel（42）Match, the other end and lockwheel pawl（43）Match.
5. automatically receive arm-type throw in catcher as claimed in claim 4 it is characterised in that described lockwheel（42）It is provided with and guide grab
（6）Upper end match can be directed to pawl（6）It is stuck in lower main body（3）On guide grab groove（31）Interior fixture block and lockwheel
（42）Guide grab can be made after rotating down（6）From lower main body（3）On guide grab groove（31）Inside opening and guide grab（6）On
Hold the breach matching.
6. automatically receive arm-type throw in catcher as claimed in claim 1 it is characterised in that described slide block stop mechanism（7）By installing
In slide block（57）On perpendicular to slideway（22）The small pressure spring of locking in the hole in direction and steel ball or plagiocephaly bayonet lock are constituted, small pressure spring
Matched with locking hole bottom in one end, the other end is matched with steel ball or plagiocephaly bayonet lock, outside the little half part of steel ball or plagiocephaly bayonet lock
Reveal slide block（57）Outward with upper lock groove（23）With lower lock groove（24）Match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611185871.0A CN106437595B (en) | 2016-12-21 | 2016-12-21 | Automatically arm-type throw in catcher is received |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611185871.0A CN106437595B (en) | 2016-12-21 | 2016-12-21 | Automatically arm-type throw in catcher is received |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106437595A true CN106437595A (en) | 2017-02-22 |
| CN106437595B CN106437595B (en) | 2019-01-04 |
Family
ID=58215124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611185871.0A Active CN106437595B (en) | 2016-12-21 | 2016-12-21 | Automatically arm-type throw in catcher is received |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106437595B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204215A (en) * | 2017-12-18 | 2018-06-26 | 中国石油天然气股份有限公司 | Instrument draft gear and logging system |
| CN111379535A (en) * | 2018-12-29 | 2020-07-07 | 中国石油天然气股份有限公司 | Fishing tool |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1832147C (en) * | 1988-02-25 | 1993-08-07 | Ферганский политехнический институт | Device for preventing string sticking |
| CN2477826Y (en) * | 2000-12-22 | 2002-02-20 | 中国石化胜利油田有限公司河口采油厂 | Hoisting-hanging crowfoot |
| CN201187267Y (en) * | 2008-04-24 | 2009-01-28 | 李国荣 | Throwing and dragging tools of blanking plug of eccentric water distributor |
| CN102852477A (en) * | 2012-09-28 | 2013-01-02 | 牡丹江市新翔石油机械有限责任公司 | Electric salvage device |
| CN103132938A (en) * | 2012-12-21 | 2013-06-05 | 贵州航天凯山石油仪器有限公司 | Transmission device of intelligent casting-pulling instrument |
| CN203655254U (en) * | 2013-12-28 | 2014-06-18 | 牡丹江博实石油机械科技有限公司 | Single-layer profile control device |
| CN203655197U (en) * | 2013-12-28 | 2014-06-18 | 牡丹江博实石油机械科技有限公司 | High-efficiency throwing and pulling device |
-
2016
- 2016-12-21 CN CN201611185871.0A patent/CN106437595B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1832147C (en) * | 1988-02-25 | 1993-08-07 | Ферганский политехнический институт | Device for preventing string sticking |
| CN2477826Y (en) * | 2000-12-22 | 2002-02-20 | 中国石化胜利油田有限公司河口采油厂 | Hoisting-hanging crowfoot |
| CN201187267Y (en) * | 2008-04-24 | 2009-01-28 | 李国荣 | Throwing and dragging tools of blanking plug of eccentric water distributor |
| CN102852477A (en) * | 2012-09-28 | 2013-01-02 | 牡丹江市新翔石油机械有限责任公司 | Electric salvage device |
| CN103132938A (en) * | 2012-12-21 | 2013-06-05 | 贵州航天凯山石油仪器有限公司 | Transmission device of intelligent casting-pulling instrument |
| CN203655254U (en) * | 2013-12-28 | 2014-06-18 | 牡丹江博实石油机械科技有限公司 | Single-layer profile control device |
| CN203655197U (en) * | 2013-12-28 | 2014-06-18 | 牡丹江博实石油机械科技有限公司 | High-efficiency throwing and pulling device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204215A (en) * | 2017-12-18 | 2018-06-26 | 中国石油天然气股份有限公司 | Instrument draft gear and logging system |
| CN111379535A (en) * | 2018-12-29 | 2020-07-07 | 中国石油天然气股份有限公司 | Fishing tool |
| CN111379535B (en) * | 2018-12-29 | 2022-05-10 | 中国石油天然气股份有限公司 | Fishing tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106437595B (en) | 2019-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2064255A (en) | Removable core breaker | |
| US1871536A (en) | Well drilling appliance | |
| US4817725A (en) | Oil field cable abrading system | |
| US2216963A (en) | Means for cutting windows in well casings | |
| CN106437595A (en) | Automatic arm retraction type putting and fishing device | |
| CN102482920B (en) | Locking device for a drilling device | |
| US8925651B2 (en) | Hydraulic drilling method with penetration control | |
| US2330083A (en) | Retractable drill bit | |
| RU2415250C1 (en) | Device for extracting wedge-deflector from well | |
| US2485826A (en) | Well drilling means | |
| CN111236872B (en) | Directional rope core drill and drilling method thereof | |
| CN102296950A (en) | Hydraulic shearing type sampling drilling tool | |
| US2309866A (en) | Safety joint bumper sub | |
| US5720348A (en) | Apparatus and method for cutting wire | |
| US2260320A (en) | Coring apparatus | |
| CN203655197U (en) | High-efficiency throwing and pulling device | |
| US1718771A (en) | Fishing apparatus for deep wells | |
| US2509883A (en) | Coring and fluid sampling device | |
| CN207647488U (en) | Fish mouth type well testing gauguste cutter | |
| US6845817B2 (en) | Kick over tool for side pocket mandrel | |
| CN210105833U (en) | Large-injection-quantity adjustable water distributor and driving device | |
| CN204175222U (en) | The soft falling object fishing tool in a kind of down-hole | |
| CN206352499U (en) | Shocking type oil pipe stain eliminating device | |
| US2540122A (en) | Flow button for well pipes | |
| CN208605155U (en) | A kind of double acting throw in catcher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200803 Address after: 157000 Heilongjiang District, Mudanjiang City, Dongan Province East seven road Xin'an Street Woodworking Machinery Factory Patentee after: Mudanjiang Jinheng Petroleum Machinery Technology Co.,Ltd. Address before: 157000 Heilongjiang Mudanjiang District, Dongan District, Xin'an Street East seven road Woodworking Machinery Factory Patentee before: MUDANJIANG BOSHI PETROLEUM MACHINERY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |