CN107503716A - A kind of ground-dipping uranium extraction built-in filter inversely throws gravel device - Google Patents

A kind of ground-dipping uranium extraction built-in filter inversely throws gravel device Download PDF

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Publication number
CN107503716A
CN107503716A CN201610416845.8A CN201610416845A CN107503716A CN 107503716 A CN107503716 A CN 107503716A CN 201610416845 A CN201610416845 A CN 201610416845A CN 107503716 A CN107503716 A CN 107503716A
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CN
China
Prior art keywords
screw thread
gravel
reverse
built
throwing
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CN201610416845.8A
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Chinese (zh)
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CN107503716B (en
Inventor
秦昊
胡柏石
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Beijing Research Institute of Chemical Engineering and Metallurgy of CNNC
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Beijing Research Institute of Chemical Engineering and Metallurgy of CNNC
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Priority to CN201610416845.8A priority Critical patent/CN107503716B/en
Publication of CN107503716A publication Critical patent/CN107503716A/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/04Gravelling of wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/10Setting of casings, screens, liners or the like in wells

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  • 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)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention belongs to ground-dipping uranium extraction technical field, and in particular to a kind of ground-dipping uranium extraction built-in filter inversely throws gravel device.Gravel device and lower pillar are thrown including reverse;Reverse to throw gravel device in tubular construction, one end is female screw thread, and the other end is public screw thread, check valve is installed in one end of public screw thread, circular cover is connected through the hinge with reverse gravel device public affairs screw thread one end of throwing, and hinge mid-section is provided with torsion spring, circular cover is closed automatically;Reverse gravel device of throwing is machined with anti-screw thread in the middle part of female screw thread one end, and reverse female screw thread one end for throwing gravel device is connected with built-in filter;In tubular construction, one end is female screw thread to lower pillar, and the other end is closing structure, and the surrounding of lower pillar is provided with four water-carrying grooves, and female screw thread one end of lower pillar is connected with reverse male screw thread one end for throwing gravel device.It is of the invention to be used cooperatively with built-in filter, reverse throwing gravel can be realized after ground-dipping uranium extraction drills tripping in built-in filter, gravel can not be thrown after solving the problems, such as drilling tripping in built-in filter.

Description

A kind of ground-dipping uranium extraction built-in filter inversely throws gravel device
Technical field
The invention belongs to ground-dipping uranium extraction technical field, and in particular to a kind of ground-dipping uranium extraction built-in filter inversely throws gravel dress Put.
Background technology
With the operation of In-situ Leaching Uranium Mine, drilling can because it is various the problem of cause drawing liquid amount drastically to decline, nothing Method completion is taken out, fluid injection operation, turns into failure drilling.Plugged filter or breakage are the main reason for causing borehole failure.According to system Averagely there is 7% drilling in meter, the exploiting field in uranium in Xinjiang ore deposit mine because plugged filter makes borehole failure.Solve failure to bore Hole most effective way is to carry out cutting reparation to failure drilling.This method has relatively broad application, U.S.'s uranium in the U.S. Soak to energy company mine and cutting filter is used to failure drilling, the method for tripping in built-in filter is repaired.But tripping in Throwing gravel can not be carried out after built-in filter with the method for routine.
After the conventional throwing gravel method of ground-dipping uranium extraction drilling is tripping in sleeve pipe, gravel pipe tripping in outside of sleeve will be thrown and thrown Gravel.But after ground-dipping uranium extraction drills tripping in built-in filter, sleeve pipe upper outside has cement, and conventional throwing gravel method can not be complete Into throwing gravel.Gravel is thrown using reverse, gravel is reached through filter bottom and can be very good solve this problem on the outside of filter. Reverse gravel device of throwing must is fulfilled for two conditions:(1) throwing gravel valve can be opened by throwing the pressure of gravel pump;(2) gravel can only be unidirectional Pass through.
The content of the invention
It is an object of the invention to provide a kind of ground-dipping uranium extraction built-in filter inversely to throw gravel device, to solve existing soak The problem of can not throwing gravel after uranium drilling tripping in built-in filter is adopted, can prevent built-in filter from blocking, increase built-in filter Service life.
To reach above-mentioned purpose, the technical solution used in the present invention is:
A kind of ground-dipping uranium extraction built-in filter inversely throws gravel device, including reverse throwing gravel device and lower pillar;It is reverse to throw gravel device In tubular construction, one end is female screw thread, and the other end is public screw thread, is provided with check valve in one end of public screw thread, circular cover with Reverse gravel device public affairs screw thread one end of throwing is connected through the hinge, and hinge mid-section is provided with torsion spring, circular cover is closed automatically;It is inverse Anti- screw thread is machined with the middle part of the close female screw thread one end of gravel device to throwing, reverse female screw thread one end for throwing gravel device connects with built-in filter Connect;In tubular construction, one end is female screw thread to lower pillar, and the other end is closing structure, and the surrounding of lower pillar is provided with four and crosses water Groove, female screw thread one end of lower pillar are connected with reverse male screw thread one end for throwing gravel device.
The material of described reverse throwing gravel device uses UPVC, PE, nylon or stainless steel.
The material of described lower pillar uses UPVC, PE, nylon or stainless steel.
Described water-carrying groove is rectangle.
Described anti-screw thread is connected with public screw thread one end of the throwing gravel pipe through built-in filter.
Described hinge and the material of torsion spring use stainless steel.
Having the beneficial effect that acquired by the present invention:
The present invention is used cooperatively with built-in filter, can be realized after ground-dipping uranium extraction drills and repaired and inversely be thrown gravel, solved The problem of drilling cutting can not throw gravel after repairing, and the present invention has the characteristics that cost is low, processing is simple.
Brief description of the drawings
Fig. 1 is that ground-dipping uranium extraction built-in filter of the present invention inversely throws gravel device sectional view;
Fig. 2 is that ground-dipping uranium extraction built-in filter of the present invention inversely throws pillar sectional view under gravel device;
Fig. 3 is that ground-dipping uranium extraction built-in filter of the present invention inversely throws pillar top cross-sectional view under gravel device;
Fig. 4 is that ground-dipping uranium extraction built-in filter of the present invention inversely throws gravel device check valve top view;
Fig. 5 is that ground-dipping uranium extraction built-in filter of the present invention inversely throws gravel device built-in filter schematic diagram;
In figure:1st, gravel device is inversely thrown;2nd, check valve;3rd, anti-screw thread;4th, lower pillar;5th, water-carrying groove;6th, hinge;7th, torsion spring; 8th, circular cover;9th, built-in filter.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As Figure 1-Figure 5, ground-dipping uranium extraction built-in filter of the present invention, which inversely throws gravel device, includes reverse throwing gravel device 1 and lower pillar 4;Reverse to throw gravel device 1 in tubular construction, one end is female screw thread, and the other end is public screw thread, is pacified in one end of public screw thread Equipped with check valve 2, circular cover 8 is connected with reverse 1 public screw thread one end of gravel device of throwing by hinge 6, and the middle part of hinge 6 is provided with torsion spring 7, circular cover 8 is closed automatically.Reverse gravel device 1 of throwing is machined with anti-screw thread 3 in the middle part of female screw thread one end, throws gravel pipe Its public screw thread one end is screwed into anti-screw thread 3 after through built-in filter 9.Reverse female screw thread one end for throwing gravel device 1 and built-in filter 9 Connection;In tubular construction, one end is female screw thread to lower pillar 4, and the other end is closing structure, and the surrounding of lower pillar 4 is provided with four Water-carrying groove 5, water-carrying groove 5 are rectangle, and female screw thread one end of lower pillar 4 is connected with reverse male screw thread one end for throwing gravel device 1.
The material of the reverse throwing gravel device 1 and lower pillar 4 uses UPVC, PE, nylon or stainless steel, hinge 6 and torsion spring 7 Material use stainless steel.The screw thread of male screw thread and female screw thread is trapezoidal thread, saw-tooth thread or rectangular thread;Anti- screw thread 3 be female screw thread, and the anti-direction of screw thread 3 is opposite with the reverse male screw thread for throwing the both ends of gravel device 1 and female screw thread.
In use, decentralization is reverse to throw gravel device and built-in filter 9 to design attitude, 1~2 hour is stood, makes expansion glue Band fully expansion, built-in filter 9 start to throw gravel, are rotated clockwise after the completion of throwing gravel and throw gravel pipe, make throwing gravel after being fixed on sleeve pipe Pipe and reverse gravel device 1 of throwing separate, and above carry throwing gravel pipe and complete to throw gravel.

Claims (6)

1. a kind of ground-dipping uranium extraction built-in filter inversely throws gravel device, it is characterised in that:Gravel device (1) and lower pillar are thrown including reverse (4);Reverse to throw gravel device (1) in tubular construction, one end is female screw thread, and the other end is public screw thread, is provided with one end of public screw thread Check valve (2), circular cover (8) are connected by hinge (6) with reverse gravel device (1) public screw thread one end of throwing, installed in the middle part of hinge (6) There is torsion spring (7), circular cover (8) is closed automatically;Reverse gravel device (1) of throwing is machined with instead in the middle part of female screw thread one end Screw thread (3), reverse female screw thread one end for throwing gravel device (1) are connected with built-in filter (9);Lower pillar (4) in tubular construction, one end For female screw thread, the other end is closing structure, and the surrounding of lower pillar (4) is provided with four water-carrying grooves (5), female silk of lower pillar (4) Button one end is connected with reverse public screw thread one end for throwing gravel device (1).
2. ground-dipping uranium extraction built-in filter according to claim 1 inversely throws gravel device, it is characterised in that:Described is reverse The material for throwing gravel device (1) uses UPVC, PE, nylon or stainless steel.
3. ground-dipping uranium extraction built-in filter according to claim 1 inversely throws gravel device, it is characterised in that:Described lower shield The material of pipe (4) uses UPVC, PE, nylon or stainless steel.
4. ground-dipping uranium extraction built-in filter according to claim 1 inversely throws gravel device, it is characterised in that:Described crosses water Groove (5) is rectangle.
5. ground-dipping uranium extraction built-in filter according to claim 1 inversely throws gravel device, it is characterised in that:Described anti-silk Button (3) is connected with public screw thread one end of the throwing gravel pipe through built-in filter (9).
6. ground-dipping uranium extraction built-in filter according to claim 1 inversely throws gravel device, it is characterised in that:Described hinge (6) and the material of torsion spring (7) uses stainless steel.
CN201610416845.8A 2016-06-14 2016-06-14 Gravel reverse feeding device for in-situ leaching uranium mining built-in filter Active CN107503716B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610416845.8A CN107503716B (en) 2016-06-14 2016-06-14 Gravel reverse feeding device for in-situ leaching uranium mining built-in filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610416845.8A CN107503716B (en) 2016-06-14 2016-06-14 Gravel reverse feeding device for in-situ leaching uranium mining built-in filter

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CN107503716B CN107503716B (en) 2020-12-15

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109209276A (en) * 2018-10-11 2019-01-15 中核通辽铀业有限责任公司 A kind of method for repairing and mending of In-situ Leaching Uranium Mine production borehole damage
CN111878046A (en) * 2020-09-02 2020-11-03 湖南中核勘探有限责任公司 Reverse grain feeding device and method
CN113914831A (en) * 2021-11-08 2022-01-11 核工业北京化工冶金研究院 Reverse gravel throwing device and method
CN114016976A (en) * 2021-11-25 2022-02-08 核工业北京化工冶金研究院 Gravel throwing valve assembly, forward gravel throwing device and forward gravel throwing method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691775A (en) * 1986-03-25 1987-09-08 Dresser Industries, Inc. Isolation valve with frangible flapper element
JPH0960468A (en) * 1995-08-28 1997-03-04 Sankyo Kogyo Kk Partial surging block
WO2001020124A1 (en) * 1999-09-10 2001-03-22 Bj Services Company Method and apparatus for through tubing gravel packing, cleaning and lifting
CN2464934Y (en) * 2000-11-17 2001-12-12 核工业第六研究所 Filter for underground extracting liquid
GB2378719A (en) * 2001-08-14 2003-02-19 Schlumberger Holdings Gravel packing tool with fluid bypass to maintain wellbore pressure
CN202560183U (en) * 2012-05-21 2012-11-28 中国石油天然气股份有限公司 Horizontal well gravel packing tool
CN204851143U (en) * 2015-07-28 2015-12-09 中石化石油工程技术服务有限公司 Sucker rod socket
CN204941482U (en) * 2015-08-21 2016-01-06 中国石油天然气股份有限公司 Gravel filling device capable of washing sand

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691775A (en) * 1986-03-25 1987-09-08 Dresser Industries, Inc. Isolation valve with frangible flapper element
JPH0960468A (en) * 1995-08-28 1997-03-04 Sankyo Kogyo Kk Partial surging block
WO2001020124A1 (en) * 1999-09-10 2001-03-22 Bj Services Company Method and apparatus for through tubing gravel packing, cleaning and lifting
CN2464934Y (en) * 2000-11-17 2001-12-12 核工业第六研究所 Filter for underground extracting liquid
GB2378719A (en) * 2001-08-14 2003-02-19 Schlumberger Holdings Gravel packing tool with fluid bypass to maintain wellbore pressure
CN202560183U (en) * 2012-05-21 2012-11-28 中国石油天然气股份有限公司 Horizontal well gravel packing tool
CN204851143U (en) * 2015-07-28 2015-12-09 中石化石油工程技术服务有限公司 Sucker rod socket
CN204941482U (en) * 2015-08-21 2016-01-06 中国石油天然气股份有限公司 Gravel filling device capable of washing sand

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109209276A (en) * 2018-10-11 2019-01-15 中核通辽铀业有限责任公司 A kind of method for repairing and mending of In-situ Leaching Uranium Mine production borehole damage
CN111878046A (en) * 2020-09-02 2020-11-03 湖南中核勘探有限责任公司 Reverse grain feeding device and method
CN113914831A (en) * 2021-11-08 2022-01-11 核工业北京化工冶金研究院 Reverse gravel throwing device and method
CN114016976A (en) * 2021-11-25 2022-02-08 核工业北京化工冶金研究院 Gravel throwing valve assembly, forward gravel throwing device and forward gravel throwing method

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