CN111561286A - Offshore wellhead cement grout turnover cleaning fisher - Google Patents
Offshore wellhead cement grout turnover cleaning fisher Download PDFInfo
- Publication number
- CN111561286A CN111561286A CN202010292740.2A CN202010292740A CN111561286A CN 111561286 A CN111561286 A CN 111561286A CN 202010292740 A CN202010292740 A CN 202010292740A CN 111561286 A CN111561286 A CN 111561286A
- Authority
- CN
- China
- Prior art keywords
- hydro
- oil cylinder
- cylinder
- sides
- welded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004568 cement Substances 0.000 title claims abstract description 20
- 238000004140 cleaning Methods 0.000 title claims abstract description 12
- 239000011440 grout Substances 0.000 title claims abstract description 9
- 230000007306 turnover Effects 0.000 title claims description 8
- 210000000078 claw Anatomy 0.000 claims abstract description 28
- 238000003466 welding Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims 1
- 239000011083 cement mortar Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
- E21B31/16—Grappling tools, e.g. tongs or grabs combined with cutting or destroying means
-
- 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
- E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
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)
- Earth Drilling (AREA)
Abstract
The invention provides a salvage device for cleaning cement grout at an offshore wellhead, wherein the top of a vibrating pile pipe is connected with a pile hammer, the lower part of the vibrating pile pipe is connected with a toggle plate in a welding manner, and the bottom of the toggle plate is connected with a fixed seat A in a welding manner; the bottom of the fixed seat A is welded with a salvaging bracket, and two sides of the bottom of the salvaging bracket are welded with fixed sharp claws; welding oil cylinder upper supports on two sides of the fixing seat A, installing the oil cylinder upper supports on the top of the grabbing oil cylinder, connecting the bottom of the oil cylinder upper supports with an oil cylinder lower support, connecting the oil cylinder lower support with one end of the top of the rotating star claw, connecting the other end of the top of the rotating star claw to a fixing seat B, and welding the fixing seat B on the other two sides of the bottom of the salvaging bracket; has the advantages that: the invention is a vibration type and hydraulic grasping fisher, which vibrates and crushes a cement paste covering layer on the periphery of a wellhead, rotates a star claw to grab and vibrate crushed cement blocks and wellhead falling objects left in the prior operation, provides an operation space for the subsequent operation, is convenient to operate, is thorough to clean, and saves time and labor.
Description
Technical Field
The invention relates to the field of fishers, in particular to a fisher for cleaning cement grout turnover at a marine wellhead.
Background
The ocean platform needs to be dismantled at the end of service, and the well mouth dismantling in the integral dismantling process has a plurality of difficulties, such as a stone-shaped block formed by cement mortar turning around a well mouth riser, even a well mouth well group falls down, and a layer of cement mortar is covered in the early treatment, so that the difficulties are brought to the dismantling and well mouth tieback at the later stage.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide a cement paste-turning cleaning fisher for an offshore wellhead.
The new technical scheme of the invention is as follows: a marine wellhead cement grout turnover cleaning fisher comprises a pile hammer, a vibrating pile pipe, a connecting toggle plate, a fishing support, an oil cylinder upper support, a grabbing oil cylinder, an oil cylinder lower support, a pin shaft, a rotating star claw, a fixed sharp claw and a fixed seat, wherein the top of the vibrating pile pipe is connected with the pile hammer, the lower part of the vibrating pile pipe is welded with the connecting toggle plate, and the bottom of the connecting toggle plate is welded with the fixed seat A; the bottom of the fixed seat A is welded with a salvaging support, and two sides of the bottom of the salvaging support are welded with fixed sharp claws; the fishing device is characterized in that oil cylinder upper supports are welded on two sides of the fixing seat A, the oil cylinder upper supports are installed at the top of the grabbing oil cylinder through pin shafts, an oil cylinder lower support is connected to the bottom of the grabbing oil cylinder, the oil cylinder lower support is connected with one end of the top of the rotating star claw through a pin shaft, the other end of the top of the rotating star claw is connected to the fixing seat B through a pin shaft, and the fixing seat B is welded on the other two sides of the bottom of the fishing support.
The number of the grabbing oil cylinders is 2.
The connecting toggle plate is 4.
The four sides of the upper part of the salvaging bracket are trapezoidal frames, and the lower part of the salvaging bracket is a cuboid frame.
The invention has the beneficial effects that: the invention is a vibration type and hydraulic grasping fisher, which vibrates and crushes a cement paste covering layer on the periphery of a wellhead, rotates a star claw to grab and vibrate crushed cement blocks and wellhead falling objects left in the prior operation, provides an operation space for the subsequent operation, is convenient to operate, is thorough to clean, and saves time and labor.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: the device comprises a pile hammer 1, a vibrating pile pipe 2, a connecting toggle plate 3, an oil cylinder upper support 4, a grabbing oil cylinder 5, an oil cylinder lower support 6, a rotating star claw 7, a fixed sharp claw 8, a fixed seat B9, a pin shaft 10, a fishing support 11 and a fixed seat A12.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
A marine wellhead cement grout turnover cleaning fisher comprises a pile hammer 1, a vibrating pile pipe 2, a connecting toggle plate 3, a fishing support 11, an oil cylinder upper support 4, a grabbing oil cylinder 5, an oil cylinder lower support 6, a pin shaft 10, a rotating star claw 7, a fixed sharp claw 8 and a fixed seat, wherein the top of the vibrating pile pipe 2 is connected with the pile hammer 1, the connecting toggle plate 3 is welded at the lower part of the vibrating pile pipe 2, and the fixed seat A12 is welded at the bottom of the connecting toggle plate 3; the bottom of the fixed seat A12 is welded with a salvaging bracket 11, and two sides of the bottom of the salvaging bracket 11 are welded with fixed sharp claws 8; fixing base A12 both sides welding have hydro-cylinder upper bracket 4, hydro-cylinder upper bracket 4 install through round pin axle 10 and snatch 5 tops of hydro-cylinder, 5 bottoms of snatching be connected with hydro-cylinder undersupply 6, hydro-cylinder undersupply 6 be connected with rotation star claw 7 top one end through round pin axle 10, rotation star claw 7 top other end connect on fixing base B9 through round pin axle 10, fixing base B9 weld in fishing support 11 bottom in addition both sides.
The number of the grabbing oil cylinders 5 is 2.
The connecting toggle plate 3 is 4.
Four sides of the upper part of the salvaging bracket 11 are trapezoidal frames, and the lower part of the salvaging bracket is a cuboid frame.
The device for cleaning the fisher for the cement paste turning of the offshore wellhead is lifted, the device is placed to the top of the cement paste turning of the offshore wellhead at the bottom, the grabbing oil cylinder 5 contracts to drive the rotating star claw 7 to rotate to enable the claw tip to face downwards, the pile hammer 1 works, the rotating star claw 7 and the fixed sharp claw 8 vibrate and break the cement paste turning block of the offshore wellhead, the grabbing oil cylinder 5 extends out, the rotating star claw 7 folds, the broken cement paste turning block of the offshore wellhead is collected into the folded rotating star claw 7, the device for cleaning the cement paste turning of the offshore wellhead is provided, and fishing operation is completed.
Claims (4)
1. The utility model provides a marine well head cement thick liquid clearance fisher that turns over, includes pile hammer (1), vibrating pile pipe (2), connects bracket (3), salvages support (11), hydro-cylinder upper bracket (4), snatchs hydro-cylinder (5), hydro-cylinder undersetting (6), round pin axle (10), rotates star claw (7), fixed sharp claw (8) and fixing base, its characterized in that: the top of the vibrating pile pipe (2) is connected with a pile hammer (1), a connecting toggle plate (3) is welded at the lower part of the vibrating pile pipe (2), and a fixed seat A (12) is welded at the bottom of the connecting toggle plate (3); the bottom of the fixed seat A (12) is welded with a salvaging support (11), and two sides of the bottom of the salvaging support (11) are welded with fixed sharp claws (8); fixing base A (12) both sides welding have hydro-cylinder upper bracket (4), hydro-cylinder upper bracket (4) install through round pin axle (10) and snatch hydro-cylinder (5) top, snatch hydro-cylinder (5) bottom be connected with hydro-cylinder undersetting (6), hydro-cylinder undersetting (6) be connected with rotation star claw (7) top one end through round pin axle (10), rotation star claw (7) top other end connect on fixing base B (9) through round pin axle (10), fixing base B (9) welding in other both sides bottom salvage support (11).
2. The offshore wellhead cement grout turnover cleaning fisher according to claim 1, which is characterized in that: the number of the grabbing oil cylinders (5) is 2.
3. The offshore wellhead cement grout turnover cleaning fisher according to claim 1, which is characterized in that: the connecting toggle plate (3) is 4.
4. The offshore wellhead cement grout turnover cleaning fisher according to claim 1, which is characterized in that: the four sides of the upper part of the salvaging bracket (11) are trapezoidal frames, and the lower part of the salvaging bracket is a cuboid frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010292740.2A CN111561286A (en) | 2020-04-15 | 2020-04-15 | Offshore wellhead cement grout turnover cleaning fisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010292740.2A CN111561286A (en) | 2020-04-15 | 2020-04-15 | Offshore wellhead cement grout turnover cleaning fisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111561286A true CN111561286A (en) | 2020-08-21 |
Family
ID=72074249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010292740.2A Pending CN111561286A (en) | 2020-04-15 | 2020-04-15 | Offshore wellhead cement grout turnover cleaning fisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111561286A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310959A (en) * | 2022-01-10 | 2022-04-12 | 南通大学 | Amphibious garbage cleaning robot |
| CN115522939A (en) * | 2022-05-31 | 2022-12-27 | 粤水电轨道交通建设有限公司 | Construction method for shield tail deformation repair of river bottom shield machine |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1517426A (en) * | 1923-09-22 | 1924-12-02 | Ross W Hickman | Well fishing tool |
| FR633792A (en) * | 1927-05-03 | 1928-02-03 | Tool for retrieving or extracting objects (broken tools, etc.) obstructing the interior of a well | |
| CN200964813Y (en) * | 2006-09-29 | 2007-10-24 | 大庆石油管理局 | Grab type salvaging device |
| CN202451099U (en) * | 2011-12-08 | 2012-09-26 | 北京市三一重机有限公司 | Drilling tool salvaging device |
| CN203318661U (en) * | 2013-07-04 | 2013-12-04 | 路桥华祥国际工程有限公司 | Hydraulic vibration fisher |
| CN205840834U (en) * | 2016-07-22 | 2016-12-28 | 国家安全生产监督管理总局信息研究院 | Hydraulic oil cylinder type drilling rod marine salvage equipment |
| CN106988701A (en) * | 2017-04-21 | 2017-07-28 | 托普威尔石油技术股份公司 | A kind of hydraulic vibration fishing device |
| 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 |
| CN110485962A (en) * | 2019-09-04 | 2019-11-22 | 江苏省交通工程集团有限公司 | A kind of drum type brake bit-fishing unit and construction method |
| CN211623374U (en) * | 2019-10-11 | 2020-10-02 | 张正喜 | Fishing device for oil field underground |
-
2020
- 2020-04-15 CN CN202010292740.2A patent/CN111561286A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1517426A (en) * | 1923-09-22 | 1924-12-02 | Ross W Hickman | Well fishing tool |
| FR633792A (en) * | 1927-05-03 | 1928-02-03 | Tool for retrieving or extracting objects (broken tools, etc.) obstructing the interior of a well | |
| CN200964813Y (en) * | 2006-09-29 | 2007-10-24 | 大庆石油管理局 | Grab type salvaging device |
| CN202451099U (en) * | 2011-12-08 | 2012-09-26 | 北京市三一重机有限公司 | Drilling tool salvaging device |
| CN203318661U (en) * | 2013-07-04 | 2013-12-04 | 路桥华祥国际工程有限公司 | Hydraulic vibration fisher |
| CN205840834U (en) * | 2016-07-22 | 2016-12-28 | 国家安全生产监督管理总局信息研究院 | Hydraulic oil cylinder type drilling rod marine salvage equipment |
| CN106988701A (en) * | 2017-04-21 | 2017-07-28 | 托普威尔石油技术股份公司 | A kind of hydraulic vibration fishing device |
| 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 |
| CN110485962A (en) * | 2019-09-04 | 2019-11-22 | 江苏省交通工程集团有限公司 | A kind of drum type brake bit-fishing unit and construction method |
| CN211623374U (en) * | 2019-10-11 | 2020-10-02 | 张正喜 | Fishing device for oil field underground |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310959A (en) * | 2022-01-10 | 2022-04-12 | 南通大学 | Amphibious garbage cleaning robot |
| CN114310959B (en) * | 2022-01-10 | 2024-09-20 | 南通大学 | Amphibious garbage cleaning robot |
| CN115522939A (en) * | 2022-05-31 | 2022-12-27 | 粤水电轨道交通建设有限公司 | Construction method for shield tail deformation repair of river bottom shield machine |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200821 |
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| RJ01 | Rejection of invention patent application after publication |