CN109057738A - One kind being suitable for culvert pipe formula well foreign matter and salvages anti-skidding rope device - Google Patents
One kind being suitable for culvert pipe formula well foreign matter and salvages anti-skidding rope device Download PDFInfo
- Publication number
- CN109057738A CN109057738A CN201810831092.6A CN201810831092A CN109057738A CN 109057738 A CN109057738 A CN 109057738A CN 201810831092 A CN201810831092 A CN 201810831092A CN 109057738 A CN109057738 A CN 109057738A
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- China
- Prior art keywords
- connecting plate
- support plate
- pull rod
- drawstring
- foreign matter
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Classifications
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- 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
- E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
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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)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The present invention relates to well fishing operation fields, more particularly to a kind of culvert pipe formula well foreign matter that is suitable for salvages anti-skidding rope device, including the first connecting plate, the second connecting plate and mounting disc, one end of first connecting plate and the second connecting plate is connected with bending and grabs, and the surface of first connecting plate and the second connecting plate offers inner groovy.It should be suitable for culvert pipe formula well foreign matter and salvage anti-skidding rope device, terminal pad is driven to drive the first support plate and one end of the second support plate to move down in the case where the first pull rod and the second pull rod are as fulcrum when moving down, the other end of the first support plate and the second support plate is then in move up at this time, when one end of the first support plate and the second support plate is moved up by two snap-gauges to two side to overturn, it contacts when overturning with the inner wall of culvert pipe and its position is limited using anti-skid stud and rubber antiskid pad formation stuck state, avoiding device and lifting object are fallen into well again, shorten secondary lifting distance, facilitate and carries out secondary lifting.
Description
Technical field
The present invention relates to well fishing operation field, specially a kind of culvert pipe formula well foreign matter that is suitable for salvages anti-abseiling dress
It sets.
Background technique
Well is mainly used for the engineering structure of exploiting groundwater.Can be used for life Qu Shui ﹑ irrigation can also be used for hiding it is hidden
Hiding or storage something etc., current most of well boreholes wall being relatively large in diameter are assembled and culvert pipe formula, and culvert pipe using stone brick
Structure well is generally circular in cross section, can there is the case where falling into foreign matter, the weight of part of foreign matter in well in use
Will appear foreign matter when the case where drawstring slides slides when heavier when lifting and taking out can fall into well again together with grabbing device,
Lead to laborious situation since lifting distance resets when needing to carry out the secondary lifting of secondary lifting.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it is suitable for culvert pipe formula well foreign matter the present invention provides one kind and salvages anti-abseiling dress
It sets, solves the problems, such as that above-mentioned background technique proposes.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of salvage suitable for culvert pipe formula well foreign matter is prevented
One end of abseiling device, including the first connecting plate, the second connecting plate and mounting disc, first connecting plate and the second connecting plate connects
It is connected to bending to grab, the surface of first connecting plate and the second connecting plate offers inner groovy, the inner wall point of the inner groovy
It is not connected with the first ball and the second ball, the surface of first ball and the second ball is respectively connected with connecting rod, the peace
The two sides of sabot are connected separately with the first hydraulic telescopic rod and the second hydraulic telescopic rod, first hydraulic telescopic rod and the second liquid
The other end of pressure telescopic rod is connect with the surface of the first connecting plate and the second connecting plate respectively, the upper surface connection of the mounting disc
There are mounting blocks, the surface of the mounting disc offers through-hole, and the inner wall of the through-hole is connected with the first drawstring, first drawstring
One end be connected with position-arresting disk, the surface of first drawstring is socketed with tension spring, one end of the tension spring and installation
The lower surface of disk connects, and the other end of the tension spring and the upper surface of position-arresting disk connect, the other end of first drawstring
It is connected with terminal pad, the surface of the terminal pad has been respectively articulated with the first support plate and the second support plate, first support plate
It is respectively articulated with the first pull rod and the second pull rod with the surface of the second support plate, one end of first pull rod and the second pull rod is equal
Hinged with the surface of mounting blocks, one end of first support plate and the second support plate is respectively connected with snap-gauge, the table of the snap-gauge
Face is connected separately with anti-skid stud and rubber antiskid pad.
Preferably, the quantity of the snap-gauge is two pieces, and two pieces of snap-gauges are oval when splicing.
Preferably, first connecting plate and the second connecting plate are to be connected by one piece of mainboard and two pieces of side plates by fixed link
It connects, first connecting plate is equal with the volume of the second connecting plate.
Preferably, the surface of first hydraulic telescopic rod and the second hydraulic telescopic rod is communicated with hydraulic oil pipe, the liquid
One end of pressuring oil pipe is connected with hydraulic pump.
Preferably, the surface of the terminal pad is connected with the second drawstring, the center line of first drawstring and the second drawstring
It is located along the same line.
Preferably, the equal length of first pull rod and the second pull rod, the installation of first pull rod and the second pull rod
Angle is identical.
(3) beneficial effect
It is suitable for culvert pipe formula well foreign matter the present invention provides one kind and salvages anti-skidding rope device.Have it is following the utility model has the advantages that
(1), culvert pipe formula well foreign matter should be suitable for and salvages anti-skidding rope device, the other end by the way that the first drawstring is arranged is fixed
Be connected with terminal pad, the surface of terminal pad has been respectively articulated with the first support plate and the second support plate, the first support plate with second
The surface of fagging has been respectively articulated with the first pull rod and the second pull rod, one end of the first pull rod and the second pull rod with the table of mounting blocks
Face is hinged, and one end of the first support plate and the second support plate is fixedly connected to snap-gauge, and device is passed through the in use
When two drawstrings are put it into well, when the second drawstring sliding the case where, moment lifts power and disappears, device and lifting object by
There is freely falling body situation in being focused in hoistway certainly, tension spring momentary reset under own resilient effect, drives first at this time
Drawstring connection terminal pad and the second drawstring move down, and drive terminal pad that the first support plate is driven to support when moving down with second
One end of plate is moved down in the case where the first pull rod and the second pull rod are as fulcrum, at this time the first support plate and the second support
The other end of plate is then in move up, when one end of the first support plate and the second support plate is moved up by two snap-gauges to two
Side to overturn, when overturning contacts with the inner wall of culvert pipe to be formed stuck state using anti-skid stud and rubber antiskid pad and limits its position
Position, avoiding device and lifting object are fallen into well again, are shortened secondary lifting distance, are facilitated and carry out secondary lifting.
(2), culvert pipe formula well foreign matter should be suitable for and salvages anti-skidding rope device, connect by the first connecting plate of setting with second
The surface of plate offers inner groovy, and the inner wall of inner groovy slidably connects the first ball and the second ball, the first ball respectively
It is fixedly connected to connecting rod with the surface of the second ball, when carrying out crawl lifting object, utilizes the first connecting plate and the
Fulcrum of two connecting plates as the first connecting plate and the second connecting plate, when the first hydraulic telescopic rod and the second hydraulic telescopic rod are to the
When one end of one connecting plate and the second connecting plate applies a thrust outward, the other end of the first connecting plate and the second connecting plate is then
It can gather to centre, be grabbed at this time using bending and grasping movement is completed to lifting object.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the first connecting board structure top view of the invention；
Fig. 3 is clamp structure schematic diagram of the present invention；
Fig. 4 is one structural schematic diagram of the embodiment of the present invention；
Fig. 5 is two structural schematic diagram of the embodiment of the present invention.
In figure: 1 first connecting plate, 2 second connecting plates, 3 mounting discs, 4 bending grab, 5 inner groovies, 6 first balls, 7 second
Ball, 8 connecting rods, 9 first hydraulic telescopic rods, 10 second hydraulic telescopic rods, 11 mounting blocks, 12 through-holes, 13 first drawstrings, 14 limits
Position disk, 15 tension springs, 16 terminal pads, 17 first support plates, 18 second support plates, 19 first pull rods, 20 second pull rods, 21 cards
Plate, 22 anti-skid studs, 23 rubber antiskid pads, 24 second drawstrings.
Specific embodiment
As shown in Figs. 1-5, the present invention provides a kind of technical solution: one kind being suitable for culvert pipe formula well foreign matter and salvages anti-abseiling
Device, including the first connecting plate 1, the second connecting plate 2 and mounting disc 3, the first connecting plate 1 and the second connecting plate 2 are by one piece
Mainboard and two pieces of side plates are formed by connecting by fixed link, and the first connecting plate 1 is equal with the volume of the second connecting plate 2, the first connection
One end of plate 1 and the second connecting plate 2 is fixedly connected with bending and grabs 4, and the surface of the first connecting plate 1 and the second connecting plate 2 opens up
There is inner groovy 5, the inner wall of inner groovy 5 slidably connects the first ball 6 and the second ball 7, the first ball 6 and the second ball respectively
7 surface is fixedly connected to connecting rod 8, offers indent by the surface of the first connecting plate 1 of setting and the second connecting plate 2
Slot 5, the inner wall of inner groovy 5 slidably connect the first ball 6 and the second ball 7, the table of the first ball 6 and the second ball 7 respectively
Face is fixedly connected to connecting rod 8, when carrying out crawl lifting object, using the first connecting plate 1 and the second connecting plate 2 as
The fulcrum of first connecting plate 1 and the second connecting plate 2, when the first hydraulic telescopic rod 9 is connect with the second hydraulic telescopic rod 10 to first
When one end of plate 1 and the second connecting plate 2 applies a thrust outward, the other end of the first connecting plate 1 and the second connecting plate 2 then can
Gather to centre, grab 4 pairs of lifting objects using bending at this time and complete grasping movements, the two sides of mounting disc 3 have been respectively fixedly connected with the
The surface of one hydraulic telescopic rod 9 and the second hydraulic telescopic rod 10, the first hydraulic telescopic rod 9 and the second hydraulic telescopic rod 10 is fixed to be connected
It is connected with hydraulic oil pipe, one end the lowest point of hydraulic oil pipe is connected with hydraulic pump, the first hydraulic telescopic rod 9 and the second hydraulic telescopic rod 10
The other end be fixedly connected respectively with the surface of the first connecting plate 1 and the second connecting plate 2, the upper surface of mounting disc 3 is fixedly connected
There are mounting blocks 11, the surface of mounting disc 3 offers through-hole 12, and the inner wall of through-hole 12 slidably connects the first drawstring 13, and first draws
One end of rope 13 is fixedly connected with position-arresting disk 14, and the surface of the first drawstring 13 is socketed with tension spring 15, and the one of tension spring 15
End is fixedly connected with the lower surface of mounting disc 3, and the other end of tension spring 15 is fixedly connected with the upper surface of position-arresting disk 14, and first
The other end of drawstring 13 is fixedly connected with terminal pad 16, and the surface of terminal pad 16 has been respectively articulated with the first support plate 17 and second
The surface of fagging 18, the first support plate 17 and the second support plate 18 has been respectively articulated with the first pull rod 19 and the second pull rod 20, and first
The equal length of pull rod 19 and the second pull rod 20, the first pull rod 19 is identical as the setting angle of the second pull rod 20, the first pull rod 19
Hinged with the surface of mounting blocks 11 with one end of the second pull rod 20, one end of the first support plate 17 and the second support plate 18 is solid
Surely it is connected with snap-gauge 21, the other end by the way that the first drawstring 13 is arranged is fixedly connected with terminal pad 16, the surface point of terminal pad 16
It is not hinged with the first support plate 17 and the second support plate 18, the surface of the first support plate 17 and the second support plate 18 has been respectively articulated with
First pull rod 19 and the second pull rod 20, one end of the first pull rod 19 and the second pull rod 20 is hinged with the surface of mounting blocks 11, and
One end of one support plate 17 and the second support plate 18 is fixedly connected to snap-gauge 21, in use draws device by second
Rope 24 is when putting it into well, and when the second drawstring 24 sliding the case where, moment lifts power and disappears, device with lift object by
There is freely falling body situation in being focused in hoistway certainly, the momentary reset under own resilient effect of tension spring 15, drives the at this time
One drawstring 13 connection terminal pad 16 and the second drawstring 24 move down, and terminal pad 16 is driven to drive the first support plate when moving down
17 move down with one end of the second support plate 18 in the case where the first pull rod 19 and the second pull rod 20 are as fulcrum, and at this time the
The other end of one support plate 17 and the second support plate 18 is then in move up, when the one of the first support plate 17 and the second support plate 18
End when moving up by two snap-gauges 21 to two side to overturn, when overturning contact with the inner wall of culvert pipe is prevented using anti-skid stud 22 and rubber
Skidding 23 forms stuck state and limits to its position, and avoiding device and lifting object are fallen into well again, shortens secondary lifting
Distance facilitates and carries out secondary lifting, and the quantity of snap-gauge 21 is two pieces, oval, the table of snap-gauge 21 when two pieces of snap-gauges 21 splice
Face has been respectively fixedly connected with anti-skid stud 22 and rubber antiskid pad 23, and the surface of terminal pad 16 is fixedly connected with the second drawstring 24, the
The center line of one drawstring 13 and the second drawstring 24 is located along the same line.
Embodiment one
As shown in figure 4, when the internal diameter of culvert pipe is 300cm, when the case where sliding, moment lifts power disappearance, device with
It lifts object and freely falling body situation occurs due to being focused in hoistway certainly, the moment under own resilient effect of tension spring 15 is multiple at this time
Position drives the first drawstring 13 connection terminal pad 16 and the second drawstring 24 to move down, drive when terminal pad 16 being driven to move down
One end of first support plate 17 and the second support plate 18 is downward in the case where the first pull rod 19 and the second pull rod 20 are as fulcrum
Mobile, the other end of the first support plate 17 and the second support plate 18 is then in move up at this time, when the first support plate 17 and second
By two snap-gauges 21 to two side to overturn when one end of support plate 18 moves up, the left side snap-gauge of snap-gauge 21 and right side snap-gauge at this time
Maximum distance length between 21 is 320cm, and when overturning contact with the inner wall of culvert pipe utilizes anti-skid stud 22 and rubber antiskid pad 23
It forms stuck state to limit its position, avoiding device and lifting object are fallen into well again.
Embodiment two
As shown in figure 5, when the internal diameter of culvert pipe is 500cm, when the case where sliding, moment lifts power disappearance, device with
It lifts object and freely falling body situation occurs due to being focused in hoistway certainly, the moment under own resilient effect of tension spring 15 is multiple at this time
Position drives the first drawstring 13 connection terminal pad 16 and the second drawstring 24 to move down, drive when terminal pad 16 being driven to move down
One end of first support plate 17 and the second support plate 18 is downward in the case where the first pull rod 19 and the second pull rod 20 are as fulcrum
Mobile, the other end of the first support plate 17 and the second support plate 18 is then in move up at this time, when the first support plate 17 and second
By two snap-gauges 21 to two side to overturn when one end of support plate 18 moves up, the left side snap-gauge of snap-gauge 21 and right side snap-gauge at this time
Maximum distance length between 21 is 520cm, and when overturning contact with the inner wall of culvert pipe utilizes anti-skid stud 22 and rubber antiskid pad 23
It forms stuck state to limit its position, avoiding device and lifting object are fallen into well again.
Working principle: being placed a device into well by the second drawstring 24, the self weight of the first connecting plate 1 and the second connecting plate 2
So that the second drawstring 24 overcomes the elastic force of tension spring 15 to move up with the first drawstring 13, while lifting power is generated, when second
First support plate 17 and second support plate 18 hinged to its 16 surface of terminal pad when drawstring 24 and the first drawstring 13 move up
One end occur upward lifting power and the other end then in the case where the first pull rod 19 and the second pull rod 20 are as fulcrum downwards
Overturning, the hypotelorism between two snap-gauges 21 at this time facilitate its enter well in, into well in after by control operation hydraulic pump benefit
One is applied outward to one end of the first connecting plate 1 and the second connecting plate 2 with the first hydraulic telescopic rod 9 and the second hydraulic telescopic rod 10
When a thrust, the other end of the first connecting plate 1 and the second connecting plate 2 can then be gathered to centre, grab 4 pairs of liftings using bending at this time
Object completes grasping movement, and when the second drawstring 24 sliding the case where, moment lifts power and disappears, and device and lifts object due to certainly
It focuses in hoistway and freely falling body situation occurs, the momentary reset under own resilient effect of tension spring 15, drives first to draw at this time
13 connection terminal pads 16 of rope and the second drawstring 24 move down, drive terminal pad 16 drive when moving down the first support plate 17 with
One end of second support plate 18 is moved down in the case where the first pull rod 19 and the second pull rod 20 are as fulcrum, and first at this time
Fagging 17 and the other end of the second support plate 18 are then in move up, when one end of the first support plate 17 and the second support plate 18 to
By two snap-gauges 21 to two side to overturn when upper mobile, when overturning contacts with the inner wall of culvert pipe utilizes anti-skid stud 22 and rubber antiskid pad
23 formation stuck states limit its position, and avoiding device and lifting object are fallen into well again.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understand the change that can carry out sizes according to specific culvert pipe diameter without departing from the principles and spirit of the present invention
Change and modify, the scope of the present invention is defined by the appended.
Claims (6)
1. one kind, which is suitable for culvert pipe formula well foreign matter, salvages anti-skidding rope device, including the first connecting plate (1), the second connecting plate (2)
With mounting disc (3), it is characterised in that: one end of first connecting plate (1) and the second connecting plate (2) is connected with bending and grabs (4),
The surface of first connecting plate (1) and the second connecting plate (2) offers inner groovy (5), the inner wall point of the inner groovy (5)
It is not connected with the first ball (6) and the second ball (7), first ball (6) and the surface of the second ball (7) are respectively connected with company
The two sides of extension bar (8), the mounting disc (3) are connected separately with the first hydraulic telescopic rod (9) and the second hydraulic telescopic rod (10), institute
The other end for stating the first hydraulic telescopic rod (9) and the second hydraulic telescopic rod (10) is connect with the first connecting plate (1) and second respectively
The surface of plate (2) connects, and the upper surface of the mounting disc (3) is connected with mounting blocks (11), and the surface of the mounting disc (3) opens up
Have through-hole (12), the inner wall of the through-hole (12) is connected with the first drawstring (13), and one end of first drawstring (13) is connected with
The surface of position-arresting disk (14), first drawstring (13) is socketed with tension spring (15), one end of the tension spring (15) with
The lower surface of mounting disc (3) connects, and the other end of the tension spring (15) is connect with the upper surface of position-arresting disk (14), and described the
The other end of one drawstring (13) is connected with terminal pad (16), and the surface of the terminal pad (16) has been respectively articulated with the first support plate
(17) and the second support plate (18), first support plate (17) and the surface of the second support plate (18) have been respectively articulated with the first drawing
Bar (19) and the second pull rod (20), surface of the one end of first pull rod (19) and the second pull rod (20) with mounting blocks (11)
Hingedly, one end of first support plate (17) and the second support plate (18) is respectively connected with snap-gauge (21), the snap-gauge (21)
Surface is connected separately with anti-skid stud (22) and rubber antiskid pad (23).
2. a kind of culvert pipe formula well foreign matter that is suitable for according to claim 1 salvages anti-skidding rope device, it is characterised in that: institute
The quantity for stating snap-gauge (21) is two pieces, and two pieces of snap-gauges (21) are oval when splicing.
3. a kind of culvert pipe formula well foreign matter that is suitable for according to claim 1 salvages anti-skidding rope device, it is characterised in that: institute
Stating the first connecting plate (1) and the second connecting plate (2) is to be formed by connecting by one piece of mainboard and two pieces of side plates by fixed link, described
First connecting plate (1) is equal with the volume of the second connecting plate (2).
4. a kind of culvert pipe formula well foreign matter that is suitable for according to claim 1 salvages anti-skidding rope device, it is characterised in that: institute
The surface for stating the first hydraulic telescopic rod (9) and the second hydraulic telescopic rod (10) is communicated with hydraulic oil pipe, and the one of the hydraulic oil pipe
End is connected with hydraulic pump.
5. a kind of culvert pipe formula well foreign matter that is suitable for according to claim 1 salvages anti-skidding rope device, it is characterised in that: institute
The surface for stating terminal pad (16) is connected with the second drawstring (24), the center line position of first drawstring (13) and the second drawstring (24)
In on same straight line.
6. a kind of culvert pipe formula well foreign matter that is suitable for according to claim 1 salvages anti-skidding rope device, it is characterised in that: institute
State the equal length of the first pull rod (19) Yu the second pull rod (20), the established angle of first pull rod (19) and the second pull rod (20)
It spends identical.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010771774.XA CN111963090A (en) | 2018-07-26 | 2018-07-26 | Anti-slip rope device suitable for culvert pipe type water well foreign matter fishing and use method |
| CN201810831092.6A CN109057738B (en) | 2018-07-26 | 2018-07-26 | Be applicable to culvert pipe formula well foreign matter salvage antiskid rope device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810831092.6A CN109057738B (en) | 2018-07-26 | 2018-07-26 | Be applicable to culvert pipe formula well foreign matter salvage antiskid rope device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010771774.XA Division CN111963090A (en) | 2018-07-26 | 2018-07-26 | Anti-slip rope device suitable for culvert pipe type water well foreign matter fishing and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109057738A true CN109057738A (en) | 2018-12-21 |
| CN109057738B CN109057738B (en) | 2020-10-16 |
Family
ID=64835532
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810831092.6A Active CN109057738B (en) | 2018-07-26 | 2018-07-26 | Be applicable to culvert pipe formula well foreign matter salvage antiskid rope device |
| CN202010771774.XA Withdrawn CN111963090A (en) | 2018-07-26 | 2018-07-26 | Anti-slip rope device suitable for culvert pipe type water well foreign matter fishing and use method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010771774.XA Withdrawn CN111963090A (en) | 2018-07-26 | 2018-07-26 | Anti-slip rope device suitable for culvert pipe type water well foreign matter fishing and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109057738B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873227A (en) * | 2019-11-26 | 2020-03-10 | 界首市天瓴建筑工程有限公司 | Building drain pipe mounting structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761564A (en) * | 2021-01-27 | 2021-05-07 | 马红丽 | Device for fishing animals in water well of field |
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| CN207554005U (en) * | 2017-12-07 | 2018-06-29 | 王林 | A kind of trouble of lost tool in hole fisher of anti-sulphur gas well |
| CN207609401U (en) * | 2017-12-23 | 2018-07-13 | 刘苏奇 | A kind of underground fishing tool equipped with grab bucket |
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2018
- 2018-07-26 CN CN201810831092.6A patent/CN109057738B/en active Active
- 2018-07-26 CN CN202010771774.XA patent/CN111963090A/en not_active Withdrawn
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| SU1153038A1 (en) * | 1983-12-21 | 1985-04-30 | Всесоюзный Ордена Ленина Проектно-Изыскательский И Научно-Исследовательский Институт "Гидропроект" Им.С.Я.Жука | Fishing apparatus for wells |
| US6564871B1 (en) * | 1999-04-30 | 2003-05-20 | Smith International, Inc. | High pressure permanent packer |
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| CN206158648U (en) * | 2016-11-11 | 2017-05-10 | 关鑫 | Novel basket slips of oilfield downhole operation is salvaged device |
| CN107762437A (en) * | 2017-11-10 | 2018-03-06 | 李林 | Frock is salvaged in horizontal well underground work |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873227A (en) * | 2019-11-26 | 2020-03-10 | 界首市天瓴建筑工程有限公司 | Building drain pipe mounting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109057738B (en) | 2020-10-16 |
| CN111963090A (en) | 2020-11-20 |
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Effective date of registration: 20200918 Address after: Room 201, Unit 1, Building 5, Building 1, Unit 2, Xinyuan District, Suxi Town, Yiwu City, Zhejiang Province Applicant after: Yiwu Ce New Material Co.,Ltd. Address before: 710016 Weiyang campus, Xi'an Technological University, 2, Xuefu Middle Road, Weiyang District, Xi'an, Shaanxi Applicant before: Zhang Chengguo |
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