CN104295254A - In-situ leaching drilling filter lifting and lowering device and using method thereof - Google Patents
In-situ leaching drilling filter lifting and lowering device and using method thereof Download PDFInfo
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- CN104295254A CN104295254A CN201410494270.2A CN201410494270A CN104295254A CN 104295254 A CN104295254 A CN 104295254A CN 201410494270 A CN201410494270 A CN 201410494270A CN 104295254 A CN104295254 A CN 104295254A
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- bayonet socket
- spring
- lower bayonet
- alignment pin
- upper latch
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- 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
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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)
- Earth Drilling (AREA)
Abstract
The invention provides an in-situ leaching drilling filter lifting and lowering device. The device comprises an upper bayonet and a lower bayonet, wherein the upper bayonet comprises a spring (2), a positioning sleeve (3), a spring tray (4) and a positioning pin (5), the positioning sleeve (3) is in the shape of a hollow cylinder, a pipe hoop (1) used for connection and fixation of an external drill rod is welded and fixed to the top end face of the positioning sleeve (3), a spring (2) is pressed in a cavity of the positioning sleeve (3), the spring tray (4) is pressed on the bottom of the spring (2), and the positioning pin (5) is arranged in a positioning hole of the positioning sleeve (3); the lower bayonet is in the shape of a cylindrical platform, two sets of bayonet grooves are symmetrically formed in the inner wall of the upper cylindrical part, each set of bayonet grooves includes two bayonet grooves different in height, and internal threads used for connection and fixation of a filter are arranged on the inner wall of the lower cylindrical part. The invention further discloses a using method of the device. According to the in-situ leaching drilling filter lifting and lowering device and the using method thereof, disengagement of the bayonets is avoided during lowering and lifting, and a damaged or blocked filter component can be effectively replaced and repaired.
Description
Technical field
The invention belongs to In-situ leaching mining technical field, be specifically related to the lifting of a kind of ground soaking technology boring strainer and downward putting device and using method thereof.
Background technology
The working position mainly strainer of boring.In long-term production, due to ore bed pressure, take out the change of liquid filling pressure and the chemical reaction of solute transfer, make strainer position easily occur blocking, be out of shape, fall the physicochemical change such as slag, cavity, thus cause the aging of strainer and destruction.During boring Long-Time Service, filter periphery is bore hole state, and after producing after a while, periphery forms coarse filtration layer with natural sorting state and loses filter capacity.In this case, whole boring has to because of the damage of strainer again construct, the technological borehole that construction one is new again, and investment cost is higher, and manufacturing schedule is slack-off, and scrapping of another one boring, directly affects the leaching of surrounding seam rock.According to statistics, the situation that the leaching boring of current China ground causes boring normally not use because of filter damage accounts for about 20% of whole drilling hole amount.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, there is provided a kind of when strainer is once blocking or damage, strainer can be made to be separated with sleeve pipe its handling is carried out to earth's surface cleaning or changing, and will to repair or the strainer more finished changing transfers to that home position and sleeve pipe connect again by this device, without the need to construction drill again and the ground soaking technology that can be utilized faster of holing is holed strainer handling device.
Another object of the present invention is to provide the using method of above-mentioned ground soaking technology boring strainer handling device.
To achieve these goals, technical solution of the present invention is, a kind of ground soaking technology boring strainer handling device, comprises upper latch notch and lower bayonet socket; Upper latch notch is main part, comprises spring, abutment sleeve, spring tray and alignment pin; Abutment sleeve is hollow cylindrical, and its top end face is welded with the pipe collar being connected and fixed outer drill rod, and be pressed with spring in the cavity of abutment sleeve, spring tray is pressed in spring bottom; Have some locating holes in the middle and lower part symmetry of abutment sleeve, alignment pin is arranged in locating hole; Lower bayonet socket is coupling part, for cylinder table shape structure, the Upper cylindrical inwall of lower bayonet socket is symmetrically arranged with two groups of bayonet slot, often organize design two in bayonet slot and have the bayonet slot of difference in height distance, top bayonet slot is de-draw-in groove, bottom bayonet slot is buckle groove, and the lower cylindrical inwall of lower bayonet socket is provided with the internal thread for being connected and fixed strainer.
Described alignment pin adopts reinforcement welding to be fixed on abutment sleeve 3.
The drag of described spring is between 800 ~ 1200N.
The using method of above-mentioned ground soaking technology boring strainer handling device is as follows:
When transferring filter assemblies, comprise the following steps:
Step 1.1, ground list catenation;
Step 1.1.1, is connected filter assemblies with lower bayonet socket; Rig board is transferred the sand sediment pipe of filter assemblies, strainer and top tube connector successively, and the pipe collar of top tube connector is connected with lower bayonet socket;
Step 1.1.2, upper latch notch screw thread is connected with drilling rod;
Step 1.1.3, upper latch notch is connected with lower bayonet socket; The drilling rod of the outside rig of vertical-lift, imports lower bayonet socket by upper latch notch, after rotating to an angle, alignment pin inserts in the de-draw-in groove of lower bayonet socket through the guide groove of inwall; Under the spring-force driven dual of spring, alignment pin is spacing on de-draw-in groove top, and upper latch notch and lower bayonet socket are fixed;
Step 1.2, with drilling rod by aperture, earth's surface, enters predetermined use location by under filter assemblies and handling device;
Step 1.3, de-card; Press down drilling rod, make alignment pin arrive the level trough position of the lower end of de-draw-in groove, turn clockwise certain angle, alignment pin is made to arrive lower bayonet socket inwall guide groove position, under the spring force of spring release, alignment pin skids off along guide groove, completes upper latch notch and lower bayonet socket departs from;
Step 1.4, drilling rod promotes; Upper latch notch is carried to earth's surface with drilling rod, and lower bayonet socket stays predetermined use location, completes transferring of filter module;
Promote filter assemblies step as follows:
Step 2.1, earth's surface drilling rod is by pipe collar and upper latch notch screwed connection;
Step 2.2, in aperture, earth's surface, lowering drill pipes, delivers to the lower bayonet socket upper end being reserved in predetermined use location by the drilling rod being connected with upper latch notch;
Step 2.3, imports the abutment sleeve of upper latch notch in lower bayonet socket, alignment pin is contacted with the upper surface of lower bayonet socket;
Step 2.4, manually turn clockwise upper latch notch, and when alignment pin arrives the inwall guide groove position of lower bayonet socket, drilling rod is sagging, and alignment pin is displaced downwardly to buckle slot along inwall guide groove and puts; Continue to rotate upper latch notch device, alignment pin enters vertical slots through the level trough of buckle groove; Now, under the spring-force driven dual of spring, alignment pin is tightly connected with lower bayonet socket;
Step 2.5, above carries drilling rod, and now filter assemblies is put to earth's surface with handling device together with drilling rod.
Upper and lower bayonet apparatus of the present invention is accurately located, transfer with lifting process in avoid the de-card of bayonet apparatus, ensure that upper and lower bayonet apparatus twists together, thus take out strainer smoothly, can be able to implement effectively to change and repair to damage or plugged sereen.
Accompanying drawing explanation
Fig. 1 is upper latch notch structure sectional view.
Fig. 2 is lower bayonet arrangement sectional view.
Fig. 3 is the A-A direction view of Fig. 2.
Fig. 4 is the B direction view of Fig. 2.
In figure, 1-pipe collar, 2-spring, 3-abutment sleeve, 4-spring tray, 5-alignment pin, 6-takes off draw-in groove, 7-buckle groove.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further.
A kind of ground soaking technology boring strainer handling device, comprises the lower bayonet socket shown in the upper latch notch shown in Fig. 1 and Fig. 2 ~ 4.
Upper latch notch is main part, comprises spring 2, abutment sleeve 3, spring tray 4 and alignment pin 5; Abutment sleeve 3 is hollow cylindrical, and its top end face is welded with the pipe collar 1 being connected and fixed outer drill rod, and pipe collar 1 is the ingredient of filter assemblies top tube connector, and its screw thread is depending on drilling rod specification; Be pressed with spring 2 in the cavity of abutment sleeve 3, spring tray 4 is pressed in bottom spring 2, plays stabilizing spring 2; Have some locating holes in the middle and lower part symmetry of abutment sleeve 3, alignment pin 5 is arranged in locating hole, adopts reinforcement welding to be fixed on abutment sleeve 3; When lower bayonet socket does not insert, spring 2 is in relaxation state, and by spring tray 4, top is to locating hole place downwards, and alignment pin 5 pairs of spring trays 4 play axial limiting effect; The function of spring 3 and spring tray 4 is after alignment pin 5 acts on, and applies a power, lower bayonet socket and filter body are connected firmly in lower bayonet socket upper end.
Lower bayonet socket is coupling part, for cylinder table shape structure, Upper cylindrical inwall is symmetrically arranged with two groups of bayonet slot, often organize design two in bayonet slot and have the bayonet slot of difference in height distance, top bayonet slot is de-draw-in groove 6, it act as strainer and transfers when putting in place after the twisted certain angle of guarantee drilling rod, and the alignment pin 5 of upper latch notch can take off card smoothly, and can carry to earth's surface; Bottom bayonet slot is buckle groove 7, when it act as handling strainer, after alignment pin 5 screws in draw-in groove passage smoothly, is elevated by filter assemblies after twisted certain angle; Lower cylindrical inwall is provided with internal thread, for being connected and fixed strainer.
Said apparatus to transfer filter assemblies step as follows:
Step 1.1, ground list catenation;
Step 1.1.1, is connected design with lower bayonet socket of the present invention with the filter assemblies processed; Filter assemblies is prior art, from bottom to top, is made up of sand sediment pipe, strainer, top tube connector; Due to boring tower height restriction, the length promoting sleeve pipe generally can not be greater than 9 meters; Therefore on rig board, transfer the sand sediment pipe of filter assemblies, strainer and top tube connector successively, and the pipe collar 1 of top tube connector is connected with lower bayonet socket;
Step 1.1.2, upper latch notch screw thread is connected with drilling rod.
Step 1.1.3, upper latch notch is connected with lower bayonet socket; The drilling rod of the outside rig of vertical-lift, imports lower bayonet socket by upper latch notch, after rotating to an angle, alignment pin 5 inserts in the de-draw-in groove 6 of lower bayonet socket through the guide groove of inwall; Under spring 2 acts on, alignment pin 5 is spacing on de-draw-in groove 6 top, and upper latch notch and lower bayonet socket are fixed;
Step 1.2, by general procedure, with drilling rod by aperture, earth's surface, enters predetermined use location by under filter assemblies and handling device;
Step 1.3, de-card; Press down drilling rod, make alignment pin 5 arrive the level trough position of the lower end of de-draw-in groove 6, turn clockwise certain angle, alignment pin 5 is made to arrive lower bayonet socket inwall guide groove position, under the spring force that spring 2 discharges, alignment pin 5 skids off along guide groove, completes upper latch notch and lower bayonet socket departs from;
Step 1.4, drilling rod promotes; Upper latch notch is carried to earth's surface with drilling rod, and lower bayonet socket stays predetermined use location, completes transferring of filter module;
When the reasons such as filter damage need change strainer, the lifting filter assemblies step of said apparatus is as follows:
Step 2.1, earth's surface drilling rod is by pipe collar 1 and upper latch notch screwed connection;
Step 2.2, in aperture, earth's surface, lowering drill pipes, delivers to the lower bayonet socket upper end being reserved in predetermined use location by the drilling rod being connected with upper latch notch;
Step 2.3, imports the abutment sleeve 3 of upper latch notch in lower bayonet socket, and alignment pin 5 is contacted with the upper surface of lower bayonet socket;
Step 2.4, manually turn clockwise upper latch notch, and when alignment pin 5 arrives the inwall guide groove position of lower bayonet socket, drilling rod is sagging, and alignment pin 5 is displaced downwardly to buckle groove 7 position along inwall guide groove; Continue to rotate upper latch notch device, alignment pin 5 enters vertical slots through the level trough of buckle groove 7; Now, under the spring-force driven dual of spring 2, alignment pin 5 is tightly connected with lower bayonet socket;
Step 2.5, above carries drilling rod, and now filter assemblies is put to earth's surface with handling device together with drilling rod.
Above-mentioned ground soaking technology boring strainer handling device, carries out surface simulation test to external diameter Φ 110mm annular external frame type strainer handling device.Under main detection bayonet socket on-link mode (OLM) safety and snap in the operability of alignment pin 5, the angle of height that alignment pin 5 declines and rotation and pressure needed for Compress Spring 2, upper latch notch device links firmness with drilling rod.Result of the test shows that the bayonet socket docking degree of reliability is good, and upper latch notch declines comparatively obvious, the power of 1050 newton needed for clamping spring 2.Press the power of card spring 2 larger in process of the test, the firmness of clamping is larger, but the drag of spring is too large, can not normally clamping, and through test of many times, the drag of spring is comparatively suitable in 800 ~ 1200 Newton range.
Above embodiments of the invention are explained in detail, above-mentioned embodiment is only optimum embodiment of the present invention, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (4)
1. a ground soaking technology boring strainer handling device, is characterized in that comprising upper latch notch and lower bayonet socket; Upper latch notch is main part, comprises spring (2), abutment sleeve (3), spring tray (4) and alignment pin (5); Abutment sleeve (3) is hollow cylindrical, its top end face is welded with the pipe collar (1) being connected and fixed outer drill rod, be pressed with spring (2) in the cavity of abutment sleeve (3), spring tray (4) is pressed in spring (2) bottom; Have some locating holes in the middle and lower part symmetry of abutment sleeve (3), alignment pin (5) is arranged in locating hole; Lower bayonet socket is coupling part, for cylinder table shape structure, the Upper cylindrical inwall of lower bayonet socket is symmetrically arranged with two groups of bayonet slot, often organize design two in bayonet slot and have the bayonet slot of difference in height distance, top bayonet slot is de-draw-in groove (6), bottom bayonet slot is buckle groove (7), and the lower cylindrical inwall of lower bayonet socket is provided with the internal thread for being connected and fixed strainer.
2. a kind of ground soaking technology boring strainer handling device as claimed in claim 1, is characterized in that alignment pin (5) adopts reinforcement welding to be fixed on abutment sleeve (3).
3. a kind of ground soaking technology boring strainer handling device as claimed in claim 1, is characterized in that the drag of spring (2) is between 800 ~ 1200N.
4. the using method of a kind of ground according to claim 1 soaking technology boring strainer handling device, is characterized in that using method is as follows:
When transferring filter assemblies, comprise the following steps:
Step 1.1, ground list catenation;
Step 1.1.1, is connected filter assemblies with lower bayonet socket; Rig board is transferred the sand sediment pipe of filter assemblies, strainer and top tube connector successively, and the pipe collar of top tube connector (1) is connected with lower bayonet socket;
Step 1.1.2, upper latch notch screw thread is connected with drilling rod;
Step 1.1.3, upper latch notch is connected with lower bayonet socket; The drilling rod of the outside rig of vertical-lift, imports lower bayonet socket by upper latch notch, after rotating to an angle, alignment pin (5) inserts in the de-draw-in groove (6) of lower bayonet socket through the guide groove of inwall; Under the spring-force driven dual of spring (2), alignment pin (5) is spacing on de-draw-in groove (6) top, and upper latch notch and lower bayonet socket are fixed;
Step 1.2, with drilling rod by aperture, earth's surface, enters predetermined use location by under filter assemblies and handling device;
Step 1.3, de-card; Press down drilling rod, alignment pin (5) is made to arrive the level trough position of the lower end of de-draw-in groove (6), turn clockwise certain angle, alignment pin (5) is made to arrive lower bayonet socket inwall guide groove position, under the spring force that spring 2 discharges, alignment pin (5) skids off along guide groove, completes upper latch notch and lower bayonet socket departs from;
Step 1.4, drilling rod promotes; Upper latch notch is carried to earth's surface with drilling rod, and lower bayonet socket stays predetermined use location, completes transferring of filter module;
When promoting filter assemblies, comprise the following steps:
Step 2.1, earth's surface drilling rod is by pipe collar (1) and upper latch notch screwed connection;
Step 2.2, in aperture, earth's surface, lowering drill pipes, delivers to the lower bayonet socket upper end being reserved in predetermined use location by the drilling rod being connected with upper latch notch;
Step 2.3, imports the abutment sleeve (3) of upper latch notch in lower bayonet socket, alignment pin (5) is contacted with the upper surface of lower bayonet socket;
Step 2.4, manually turn clockwise upper latch notch, and when alignment pin (5) arrives the inwall guide groove position of lower bayonet socket, drilling rod is sagging, and alignment pin (5) is displaced downwardly to buckle groove (7) position along inwall guide groove; Continue to rotate upper latch notch device, alignment pin (5) enters vertical slots through the level trough of buckle groove (7); Now, under the spring-force driven dual of spring (2), alignment pin (5) is tightly connected with lower bayonet socket;
Step 2.5, above carries drilling rod, and now filter assemblies is put to earth's surface with handling device together with drilling rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410494270.2A CN104295254A (en) | 2014-09-24 | 2014-09-24 | In-situ leaching drilling filter lifting and lowering device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410494270.2A CN104295254A (en) | 2014-09-24 | 2014-09-24 | In-situ leaching drilling filter lifting and lowering device and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104295254A true CN104295254A (en) | 2015-01-21 |
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ID=52315171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410494270.2A Pending CN104295254A (en) | 2014-09-24 | 2014-09-24 | In-situ leaching drilling filter lifting and lowering device and using method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104295254A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930734A (en) * | 2015-12-30 | 2017-07-07 | 新疆中核天山铀业有限公司 | A kind of ground-dipping uranium extraction drilling exchangeable filter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1528754A (en) * | 1976-03-18 | 1978-10-18 | Exploration & Prod Serv Ltd | Catches |
| US4921438A (en) * | 1989-04-17 | 1990-05-01 | Otis Engineering Corporation | Wet connector |
| CN201428409Y (en) * | 2009-04-16 | 2010-03-24 | 苏波涛 | Quick-release fisher |
| CN102102502A (en) * | 2010-12-23 | 2011-06-22 | 核工业北京化工冶金研究院 | Method for arranging in-situ leaching hole drilling filter |
| CN203097792U (en) * | 2012-11-30 | 2013-07-31 | 中国石油集团川庆钻探工程有限公司 | Underground rotary fishing device for coiled tubing |
| CN204436302U (en) * | 2014-09-24 | 2015-07-01 | 核工业北京化工冶金研究院 | A kind of ground soaking technology boring strainer handling device |
-
2014
- 2014-09-24 CN CN201410494270.2A patent/CN104295254A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1528754A (en) * | 1976-03-18 | 1978-10-18 | Exploration & Prod Serv Ltd | Catches |
| US4921438A (en) * | 1989-04-17 | 1990-05-01 | Otis Engineering Corporation | Wet connector |
| CN201428409Y (en) * | 2009-04-16 | 2010-03-24 | 苏波涛 | Quick-release fisher |
| CN102102502A (en) * | 2010-12-23 | 2011-06-22 | 核工业北京化工冶金研究院 | Method for arranging in-situ leaching hole drilling filter |
| CN203097792U (en) * | 2012-11-30 | 2013-07-31 | 中国石油集团川庆钻探工程有限公司 | Underground rotary fishing device for coiled tubing |
| CN204436302U (en) * | 2014-09-24 | 2015-07-01 | 核工业北京化工冶金研究院 | A kind of ground soaking technology boring strainer handling device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930734A (en) * | 2015-12-30 | 2017-07-07 | 新疆中核天山铀业有限公司 | A kind of ground-dipping uranium extraction drilling exchangeable filter |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150121 |
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| RJ01 | Rejection of invention patent application after publication |