CN111997548A - Sand remover filter screen takes out instrument - Google Patents
Sand remover filter screen takes out instrument Download PDFInfo
- Publication number
- CN111997548A CN111997548A CN202010939174.XA CN202010939174A CN111997548A CN 111997548 A CN111997548 A CN 111997548A CN 202010939174 A CN202010939174 A CN 202010939174A CN 111997548 A CN111997548 A CN 111997548A
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- CN
- China
- Prior art keywords
- tooth plate
- outer cylinder
- slip tooth
- mandrel
- fixedly connected
- 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
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- 239000004576 sand Substances 0.000 title claims abstract description 17
- 230000017105 transposition Effects 0.000 claims description 37
- 238000000605 extraction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007789 sealing 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
-
- 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
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Marine Sciences & Fisheries (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of a filter screen taking-out tool, in particular to a sand remover filter screen taking-out tool which comprises a first outer cylinder, a second outer cylinder, a slip tooth plate, a mandrel and a pressing cap.
Description
Technical Field
The invention relates to the technical field of special tools for taking out filter screens, in particular to a tool for taking out a filter screen of a sand remover.
Background
The sand removal filter screen is a core component of the double-cylinder vertical sand remover, is arranged in filter cylinders on two wings of the sand remover, the outer side of the upper end of the filter screen is provided with a sealing ring which forms an annular space with the filter cylinders, and filtered fluid is discharged from the annular space, so that the effect of filtering the fluid is achieved; however, in the construction process, the phenomenon that the filter screen is clamped in the filter cylinder and cannot be taken out due to expansion of the seal ring, self deformation, sand burying and the like often exists; releasing the clamp by lifting a lifting ring arranged at the top end of the filter screen on site; however, when the lifting ring is broken and the filter screen cannot be taken out, the clamped filter screen has no force application point, and the result that the clamped filter screen cannot be taken out is caused.
Disclosure of Invention
The invention provides a sand remover filter screen taking-out tool, overcomes the defects of the prior art, and can effectively solve the problem that when a lifting ring on a filter screen is broken, a clamped filter screen cannot be taken out due to the fact that the clamped filter screen does not have a force application point.
The technical scheme of the invention is realized by the following measures: a sand remover filter screen taking-out tool comprises a first outer cylinder, a second outer cylinder, a slip tooth plate, a mandrel and a pressing cap, wherein at least two strip-shaped through holes are uniformly distributed on the outer wall of the lower part of the first outer cylinder at intervals along the circumference, the inner side of the lower part of the first outer cylinder corresponding to each through hole is hinged with the slip tooth plate, the slip tooth plate positioned at the leftmost side is a main slip tooth plate, the lower part of the main slip tooth plate is hinged with the inner side of the left part of the first outer cylinder, the main slip tooth plate is inclined in a left-high-right-low shape, the left side of the upper part of the main slip tooth plate is provided with zigzag slip teeth, the upper end of the first outer cylinder is fixedly communicated with the lower end of the second outer cylinder, the inner side of the second outer cylinder is sleeved with the mandrel positioned at the right side of the upper part of the main slip tooth plate, the outer side of the upper end of the second outer cylinder is fixedly provided with the pressing cap sleeved on the outer side of the upper part, the transposition groove comprises a transverse transposition groove and a vertical transposition groove which are sequentially communicated from bottom to top, the upper end of the vertical transposition groove extends to the upper end face of the second outer barrel, a transposition pin located on the upper portion of the vertical transposition groove is fixed on the outer side of the upper portion of the mandrel, and a reset mechanism which can enable the upper portion of the slip tooth plate to be tightly abutted to the outer side of the lower portion of the mandrel is fixedly connected between the corresponding position of the lower portion of the slip tooth plate and the corresponding position of the inner wall of the lower portion of the first outer barrel.
The following is further optimization or/and improvement of the technical scheme of the invention:
two strip-shaped through holes can be uniformly distributed on the outer wall of the lower part of the first outer barrel at intervals along the circumference.
Above-mentioned main slips dental lamina upper portion left side can have bellied boss left, and the left side of boss upper portion is located to the slips, and the slips is the slope of form of high left and low right side and does not have the interval between the slips, and main slips dental lamina lower extreme right side is equipped with the chamfer.
And an extension spring can be fixedly connected between the lower part of each slip tooth plate and the corresponding position of the inner wall of the lower part of the first outer cylinder.
The outer diameter of the mandrel can be smaller than that of the upper joint, and a conical head with the outer diameter being large at the upper part and small at the lower part is fixed at the lower end of the mandrel.
The inner side of the lower end of the pressing cap and the outer side of the upper end of the second outer cylinder can be fixedly connected together through threads, and the outer side of the lower end of the second outer cylinder and the inner side of the upper end of the first outer cylinder are fixedly connected together through threads.
The lower end of the first outer cylinder can be fixed with a blind plate.
The invention has reasonable and compact structure and convenient use, when the invention is put into the inner cavity type of the clamped filter screen, the first outer cylinder and the second outer cylinder enable the transposition pin on the mandrel to be positioned at the upper end of the vertical transposition groove of the inner wall of the second outer cylinder through the dead weight, the pressing cap plays a role of limiting the transposition pin to move upwards, all the slip tooth plates are in a non-extending state at the moment, when the lower end of the first outer cylinder touches sand to be blocked or reaches the bottom of the filter screen, the mandrel is pushed to move downwards to enable the transposition pin to reach the bottom of the vertical transposition groove of the inner wall of the first outer cylinder, the conical head at the lower end of the mandrel pushes all the slip tooth plates to respectively extend outwards from the through holes of the second outer cylinder, then the mandrel is rotated to enable the transposition pin to be positioned in the horizontal transposition groove of the inner wall of the second outer cylinder to play a role of keeping the slip tooth plates extending, the clamped filter screen is clamped, Simple and efficient.
Drawings
FIG. 1 is a schematic sectional view of the present invention.
Fig. 2 is a schematic sectional view of the first outer cylinder in the present invention.
Fig. 3 is a left side sectional view of the second outer cylinder of the present invention.
FIG. 4 is a schematic front view of a slip insert of the present invention.
Fig. 5 is a schematic front view of the present invention in use.
The codes in the figures are respectively: the device comprises a main slip tooth plate, a mandrel, a first outer cylinder, a second outer cylinder, a main slip tooth plate, a tension spring, a pressing cap, a conical head, a boss, slip teeth, a vertical shifting groove, a through hole, a shifting pin and a transverse shifting groove, wherein the upper joint is 1, the mandrel is 2, the first outer cylinder is 3, the second outer cylinder is 4, the main slip tooth plate is 5, the tension spring is 7, the conical head is 8, the boss is 9, the slip teeth are 10, the vertical shifting groove.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of inner, outer, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention is further described with reference to the following examples and figures:
as shown in attached figures 1, 2, 3, 4 and 5, the sand remover filter screen taking-out tool comprises a first outer cylinder 3, a second outer cylinder 4, a slip tooth plate, a mandrel 2 and a pressing cap 7, wherein the outer wall of the lower part of the first outer cylinder 3 is uniformly provided with at least two strip-shaped through holes 12 at intervals along the circumference, the inner side of the lower part of the first outer cylinder 3 corresponding to the position of each through hole 12 is hinged with the slip tooth plate, the slip tooth plate positioned at the leftmost side is a main slip tooth plate 5, the lower part of the main slip tooth plate 5 is hinged with the inner side of the left part of the first outer cylinder 3, the main slip tooth plate 5 inclines in a left-high-right-low shape, the left side of the upper part of the main slip tooth plate 5 is provided with a serrated slip tooth 10, the upper end of the first outer cylinder 3 is fixedly communicated with the lower end of the second outer cylinder 4, the mandrel 2 with the lower end positioned at the right side of the upper part of the main slip tooth plate 5 is sleeved on the, the upper end of the mandrel 2 corresponding to the position above the pressing cap 7 is fixed with an upper joint 1, the inner wall of the upper part of the second outer barrel 4 is uniformly provided with at least one transposition groove along the circumference, the transposition grooves comprise a transverse transposition groove 14 and a vertical transposition groove 11 which are sequentially communicated from bottom to top, the upper end of the vertical transposition groove 11 extends to the upper end surface of the second outer barrel 4, the outer side of the upper part of the mandrel 2 is fixed with a transposition pin 13 positioned on the upper part of the vertical transposition groove 11, and a reset mechanism which can enable the upper part of the slip tooth plate to be tightly abutted against the outer side of the lower part of the mandrel 2 is fixedly connected between the corresponding positions of the lower part of each slip tooth plate and the inner wall.
According to the demand, the transposition groove is inwards opened and is in an inverted T shape, an inverted L shape or an inverted L shape, the second outer cylinder can form a relatively closed environment, impurities such as dust and the like are prevented from entering the transposition groove to cause the movement and the blockage of the mandrel 2, and meanwhile, the transposition groove has an attractive effect. When the invention is put into the inner cavity of the clamped filter screen, the first outer cylinder 3 and the second outer cylinder 4 make the transposition pin 13 on the mandrel 2 positioned at the upper end of the vertical transposition groove 11 on the inner wall of the second outer cylinder 4 through the dead weight when the upper part releasing tool is connected with the upper end of the upper joint 1, the press cap 7 plays the role of limiting the transposition pin 13 to move upwards and shielding dust and impurities, at the moment, the slips tooth plate is in the unextended state due to the action of the reset mechanism, when the lower end of the first outer cylinder 3 touches sand and is blocked or reaches the bottom of the filter screen, the mandrel 2 is pushed to move downwards, the transposition pin 13 reaches the bottom of the vertical transposition groove 11 on the inner wall of the second outer cylinder 4, at the moment, the lower end of the mandrel 2 pushes all the slips tooth plates to respectively extend outwards from the through hole 12 of the first outer cylinder 3, then the mandrel 2 is rotated, the transposition pin 13 is positioned in the horizontal transposition groove 14 on the inner wall of the second outer cylinder 4 to play the, the clamped filter screen is clamped through the slip teeth on the slip tooth plate, then the upper joint is lifted up, and finally the clamped filter screen is taken out.
According to actual needs, the sand remover filter screen extraction tool is further optimized or/and improved:
as shown in fig. 1, 2 and 5, two strip-shaped through holes 12 are uniformly distributed on the outer wall of the lower part of the first outer cylinder 3 along the circumference at intervals.
Through the arrangement, the slip tooth plate can be conveniently installed in the using process.
As shown in the attached drawings 1, 4 and 5, a left convex boss 9 is arranged on the left side of the upper part of the main slip tooth plate 5, the slip teeth 10 are arranged on the left side of the upper part of the boss 9, the slip teeth 10 are inclined in a left-high-right-low shape, no space exists between the slip teeth 10, and a chamfer angle is arranged on the right side of the lower end of the main slip tooth plate 5.
In the use, when the slips dental lamina outwards stretched out, the inclined plane of boss 9 can be roughly become vertical state with ground to increase the area of contact of slips 10 and filter screen, more be favorable to slips 10 to block the filter screen that is blocked, and the filter screen is difficult for dropping when upwards drawing.
As shown in the attached fig. 1 and 5, an extension spring 6 is fixedly connected between the lower part of each slip tooth plate and the corresponding position of the inner wall of the lower part of the first outer cylinder 3.
According to the demand, extension spring 6 is located slips dental lamina lower part and the below position of 3 inboard articulated junctions of first urceolus, and in the use, when the dabber moves down and promotes slips dental lamina upper portion and when stretching out to the swing of first urceolus, the lower extreme rotation of slips dental lamina pulls open extension spring 6, and when the dabber rebound, extension spring 6 plays the effect that makes slips dental lamina reset when its performance shrink.
According to the demand, still can be in the top position of the articulated junction in slips dental lamina lower part and 3 inboard of first urceolus, fixedly connected with compression spring between slips dental lamina lower extreme outsides and the 3 inner walls of first urceolus, in the use, when the dabber moves down and promotes slips dental lamina upper portion and stretches out to the swing of first urceolus, the lower extreme of slips dental lamina rotates extrusion compression spring, when the dabber rebound, when compression spring stretches out because of its performance, play the effect that makes slips dental lamina reset.
As shown in fig. 1 and 5, the outer diameter of the mandrel 2 is smaller than that of the upper joint 1, and a conical head 8 with a larger outer diameter at the upper part and a smaller outer diameter at the lower part is fixed at the lower end of the mandrel 2.
In the use, top connection 1 is convenient for to be connected with the upper portion unfreezing instrument, and conical cone increases the area of contact of conical cone 8 and slips dental lamina, and according to the demand, conical cone 8 also can be half ellipsoid structure.
As shown in fig. 1 and 5, the inner side of the lower end of the press cap 7 is fixedly connected with the outer side of the upper end of the second outer cylinder 4 through a threaded connection, and the outer side of the lower end of the second outer cylinder 4 is fixedly connected with the inner side of the upper end of the first outer cylinder 3 through a threaded connection.
In the use, be convenient for installation and dismantlement between each part, and increase the steadiness.
As shown in fig. 1, 2 and 5, a blind plate is fixed at the lower end of the first outer cylinder 3.
In the use, when the lower extreme of first urceolus 3 touches sand and meets to hinder or reach the filter screen bottom, reduce debris such as grit and get into first urceolus 3 inside from the bottom, influence the use of slips clamp plate 5.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (10)
1. A sand remover filter screen taking-out tool is characterized by comprising a first outer barrel, a second outer barrel, a slip tooth plate, a mandrel and a pressing cap, wherein at least two strip-shaped through holes are uniformly distributed on the outer wall of the lower part of the first outer barrel at intervals along the circumference, the inner side of the lower part of the first outer barrel corresponding to each through hole is hinged with the slip tooth plate, the slip tooth plate positioned at the leftmost side is a main slip tooth plate, the lower part of the main slip tooth plate is hinged with the inner side of the left part of the first outer barrel, the main slip tooth plate is inclined in a left-high-right-low shape, the left side of the upper part of the main slip tooth plate is provided with a sawtooth-shaped slip tooth, the upper end of the first outer barrel is fixedly communicated with the lower end of the second outer barrel, the mandrel with the lower end positioned at the right side of the upper part of the main slip tooth plate is sleeved on the inner side of the second outer barrel, the pressing cap is fixedly, the inner wall of the upper portion of the second outer barrel is evenly provided with at least one transposition groove along the circumference, each transposition groove comprises a transverse transposition groove and a vertical transposition groove which are sequentially communicated from bottom to top, the upper end of each vertical transposition groove extends to the upper end face of the second outer barrel, a transposition pin located on the upper portion of each vertical transposition groove is fixed on the outer side of the upper portion of the mandrel, and a reset mechanism which can enable the upper portion of each slip tooth plate to be tightly abutted against the outer side of the lower portion of the mandrel is fixedly connected between the corresponding positions of the lower portion of each slip tooth plate and the inner wall of the lower portion of the.
2. The desander screen take-out tool as claimed in claim 1 wherein the lower outer wall of the first outer cylinder is circumferentially and evenly spaced with two elongated through holes.
3. The sand remover filter screen extraction tool of claim 2, wherein the left side of the upper portion of the main slip tooth plate is provided with a boss protruding leftward, the slip elements are arranged on the left side of the upper portion of the boss, the slip elements are inclined in a left-high-right-low manner without a gap, and the right side of the lower end of the main slip tooth plate is provided with a chamfer.
4. The desander screen extraction tool of claim 2 or 3 wherein a tension spring is fixedly connected between the lower portion of each slip jaw plate and the corresponding location on the inner wall of the lower portion of the first outer barrel.
5. The desander screen extraction tool of claim 1, 2 or 3 wherein the mandrel has an outer diameter less than the outer diameter of the upper adapter and a conical tapered head having an outer diameter that is larger at the top and smaller at the bottom is secured to the lower end of the mandrel.
6. The desander screen extraction tool of claim 4 wherein the mandrel has an outer diameter less than the outer diameter of the upper adapter and a conical tapered head having an outer diameter that is larger at the top and smaller at the bottom is secured to the lower end of the mandrel.
7. The desander screen extraction tool as in claim 1, 2, 3 or 6 wherein the inner side of the lower end of the press cap is fixedly connected to the outer side of the upper end of the second outer cylinder by a threaded connection and the outer side of the lower end of the second outer cylinder is fixedly connected to the inner side of the upper end of the first outer cylinder by a threaded connection.
8. The desander screen take-out tool as claimed in claim 4, wherein the inner side of the lower end of the press cap is fixedly connected with the outer side of the upper end of the second outer cylinder by a screw connection, and the outer side of the lower end of the second outer cylinder is fixedly connected with the inner side of the upper end of the first outer cylinder by a screw connection.
9. The desander screen take-out tool as claimed in claim 5, wherein the inner side of the lower end of the press cap is fixedly connected with the outer side of the upper end of the second outer cylinder by a screw connection, and the outer side of the lower end of the second outer cylinder is fixedly connected with the inner side of the upper end of the first outer cylinder by a screw connection.
10. The desander screen extraction tool of claim 1, 2, 3, 6, 8 or 9 wherein a blind is secured to the lower end of the first outer barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939174.XA CN111997548A (en) | 2020-09-09 | 2020-09-09 | Sand remover filter screen takes out instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939174.XA CN111997548A (en) | 2020-09-09 | 2020-09-09 | Sand remover filter screen takes out instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111997548A true CN111997548A (en) | 2020-11-27 |
Family
ID=73469107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010939174.XA Pending CN111997548A (en) | 2020-09-09 | 2020-09-09 | Sand remover filter screen takes out instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111997548A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040112591A1 (en) * | 2002-12-16 | 2004-06-17 | Baker Hughes, Incorporated | Anchor device to relieve tension from the rope socket prior to perforating a well |
| CN201802348U (en) * | 2010-09-09 | 2011-04-20 | 王秀忠 | Removable internal oil tube stopper |
| CN103594866A (en) * | 2013-11-21 | 2014-02-19 | 浙江中杭电子有限公司 | Rapid locking-disengaging coupling element |
| CN204436324U (en) * | 2015-02-27 | 2015-07-01 | 毛元伟 | A kind of compression anchor packer |
| CN207027369U (en) * | 2017-06-09 | 2018-02-23 | 中国石油化工股份有限公司 | A kind of valve flashboard quickly removes device |
| CN207189674U (en) * | 2017-09-19 | 2018-04-06 | 中国核动力研究设计院 | A kind of underwater gripping tool of high radioactivity tube |
| CN207509241U (en) * | 2017-12-07 | 2018-06-19 | 更酷科技（上海）有限公司 | A kind of pneumatic internal holding clip claw mechanism |
| CN110439492A (en) * | 2018-05-03 | 2019-11-12 | 中国石油天然气股份有限公司 | Underground choke recycling device and method |
-
2020
- 2020-09-09 CN CN202010939174.XA patent/CN111997548A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040112591A1 (en) * | 2002-12-16 | 2004-06-17 | Baker Hughes, Incorporated | Anchor device to relieve tension from the rope socket prior to perforating a well |
| CN201802348U (en) * | 2010-09-09 | 2011-04-20 | 王秀忠 | Removable internal oil tube stopper |
| CN103594866A (en) * | 2013-11-21 | 2014-02-19 | 浙江中杭电子有限公司 | Rapid locking-disengaging coupling element |
| CN204436324U (en) * | 2015-02-27 | 2015-07-01 | 毛元伟 | A kind of compression anchor packer |
| CN207027369U (en) * | 2017-06-09 | 2018-02-23 | 中国石油化工股份有限公司 | A kind of valve flashboard quickly removes device |
| CN207189674U (en) * | 2017-09-19 | 2018-04-06 | 中国核动力研究设计院 | A kind of underwater gripping tool of high radioactivity tube |
| CN207509241U (en) * | 2017-12-07 | 2018-06-19 | 更酷科技（上海）有限公司 | A kind of pneumatic internal holding clip claw mechanism |
| CN110439492A (en) * | 2018-05-03 | 2019-11-12 | 中国石油天然气股份有限公司 | Underground choke recycling device and method |
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Application publication date: 20201127 |