CN114370268A - Mechanical rock debris sampling type fishing and washing process - Google Patents
Mechanical rock debris sampling type fishing and washing process Download PDFInfo
- Publication number
- CN114370268A CN114370268A CN202111400998.0A CN202111400998A CN114370268A CN 114370268 A CN114370268 A CN 114370268A CN 202111400998 A CN202111400998 A CN 202111400998A CN 114370268 A CN114370268 A CN 114370268A
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- China
- Prior art keywords
- rock debris
- mud
- sampling type
- organism
- type fishing
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- 239000011435 rock Substances 0.000 title claims abstract description 55
- 238000005070 sampling Methods 0.000 title claims abstract description 28
- 238000005406 washing Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000005553 drilling Methods 0.000 claims abstract description 9
- 239000003208 petroleum Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000007921 spray Substances 0.000 claims description 21
- 238000005192 partition Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000010865 sewage Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005303 weighing 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/005—Testing the nature of borehole walls or the formation by using drilling mud or cutting data
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of petroleum drilling geological logging, in particular to a mechanical rock debris sampling type fishing and washing process. Which comprises a bod, one side of organism is provided with the controller, one side on organism upper portion is provided with collection system, collection system's discharge gate below is provided with the reciprocating sieve, the organism is provided with perpendicular baffle, the one side of erecting the baffle is provided with stores up the mud jar, it is located the reciprocating sieve below to store up the mud jar, the opposite side of erecting the baffle is provided with ration receiver and cross slab, ration receiver is located the below of reciprocating sieve discharge gate, the cross slab is located ration receiver below and its trilateral organism of connecting in addition, the cross slab below is provided with step motor, step motor's pivot pierces through cross slab and detachable is connected with material collecting device. The rock debris collecting device can automatically and quantitatively collect rock debris, the labor intensity is low, and the situation of too small sampling amount is avoided.
Description
Technical Field
The invention relates to the technical field of petroleum drilling geological logging, in particular to a mechanical rock debris sampling type fishing and washing process.
Background
During drilling of oil or gas, rock cuttings drilled by the drill bit, known as cuttings, are brought to the surface as drilling mud is circulated. Geological logging is the collection of rock debris, so the rock debris needs to be fished out of mud for sampling. At present generally adopt the manual work to gather the detritus, intensity of labour is great, and easy error occurs, also has some drilling to adopt equipment to take a sample, but prior art's detritus sampling equipment can not realize quantitative sampling, often appears the too little condition of sample volume.
Disclosure of Invention
The invention aims to solve the technical problems and provides a mechanical rock debris sampling type fishing and washing device and a fishing and washing process aiming at the technical defects, which can automatically and quantitatively collect rock debris, have low labor intensity and avoid the situation of too small sampling amount.
According to the technical scheme, the mechanical rock debris sampling type fishing and washing device comprises a machine body, a controller is arranged on one side of the machine body, a collecting device is arranged on one side of the upper portion of the machine body, a vibrating screen is arranged below a discharge port of the collecting device, a vertical partition plate is arranged on the machine body, a sludge storage tank is arranged on one side of the vertical partition plate and is located below the vibrating screen, a quantitative material receiver and a transverse partition plate are arranged on the other side of the vertical partition plate and located below a discharge port of the vibrating screen, the transverse partition plate is located below the quantitative material receiver and is connected with the machine body on the other three sides, a stepping motor is arranged below the transverse partition plate, and a rotating shaft of the stepping motor penetrates through the transverse partition plate and is detachably connected with a material receiving device.
Preferably, the collection system is a screw feeder, a feed inlet is arranged at one end, close to the motor, of the screw feeder, a first water inlet pipe is arranged at one side, close to the motor, of the feed inlet, a first electric valve is arranged on the first water inlet pipe, a cover plate is connected to the other side of the feed inlet in a sliding mode, an air cylinder is arranged on a spiral pipe of the screw feeder, and a piston rod of the air cylinder is connected with the cover plate.
Preferably, the quantitative material receiver comprises a base and a collecting barrel, the base is arranged at the top of the vertical partition plate, a T-shaped groove is formed in the base, a weight sensor is arranged at the bottom of the T-shaped groove, a T-shaped block is arranged on one side of the collecting barrel, and the T-shaped block is located in the T-shaped groove and is in sliding connection with the T-shaped groove; the bottom opening of collecting vessel, the collecting vessel lower part is rotated and is connected with the commentaries on classics board, be provided with a plurality of through-holes on the commentaries on classics board, the both sides of changeing the board are provided with the pivot, change the board and drive by the revolving cylinder who fixes in collecting vessel one side.
Preferably, the material receiving device comprises a ring seat and a central cylinder, the ring seat is connected with the central cylinder through a plurality of radial plates, the bottom surface of the ring seat is lower than that of the central cylinder, a top ring is arranged at the upper part of the central cylinder, a plurality of placing rings are arranged on the top ring, and filter cups are placed in the placing rings; the bottom of the central cylinder is provided with a special-shaped mounting hole, and the end part of a rotating shaft of the stepping motor is in a shape corresponding to the special-shaped mounting hole.
Preferably, one side of the ring seat is provided with a notch, and a corresponding interval is reserved between the placing rings on the top ring at a position corresponding to the notch.
Preferably, a handle is arranged on the top ring.
Preferably, the machine body is provided with a spray head above the material receiving device, the spray head is provided with a universal pipe, the spray head is connected with a second water inlet pipe, and a second electric valve is arranged on the second water inlet pipe.
Preferably, a water outlet pipe is arranged above the diaphragm plate of the machine body.
The process for dredging sand by using the high-efficiency solid-liquid separation portable sand dredging device comprises the following steps:
A. placing a feed port of the collecting device below a discharge port of a mud vibrating screen of the petroleum drilling equipment;
B. when rock debris needs to be collected, a motor of the spiral feeder rotates, then a piston rod of the air cylinder retracts to enable the cover plate to be separated from the feeding hole, the first electromagnetic valve is opened, the rock debris with mud falls into the vibrating screen from the discharging hole of the spiral feeder, the vibrating screen works at the moment to separate mud water and the rock debris, the mud water falls into the mud storage tank, the rock debris falls into the collecting barrel from the discharging hole of the vibrating screen, when the rock debris in the collecting barrel reaches the required weight, the piston rod of the air cylinder extends out to push the cover plate to cover the feeding hole, the spiral feeder and the vibrating screen stop working, then the rotating air cylinder drives the rotating plate to rotate, the rock debris falls into the filter bowl positioned below the collecting barrel, then the stepping motor drives the material receiving device to rotate, the filter bowl is positioned below the spray head, meanwhile, the next filter bowl is positioned below the collecting barrel, then the second electromagnetic valve is opened, and the spray head washes the rock debris in the water filter bowl completely, then the second electromagnetic valve is closed;
C. after all filter cups collect the detritus, aim at the breach quantitative receiver, later pull the shower nozzle to one side, hold the handle and carry out material collecting device and put out, place subaerial, later number the detritus in the filter cup in turn and collect.
Compared with the prior art, the invention has the following advantages: 1. the feed inlet of the collecting device can be opened and covered, samples can be taken as required, and a water inlet pipe is arranged on the collecting device, so that a proper amount of clear water can be introduced inwards, on one hand, the lubricating effect is achieved, and on the other hand, the rock debris with slurry can be preliminarily cleaned; 2, the quantitative material receiver can quantitatively sample, so that the situation of too small sampling amount is avoided; 3. the material collecting device can be taken down and stably placed on the ground so as to conveniently collect rock debris in the filter cup.
Drawings
FIG. 1 is a schematic structural view of a mechanical rock debris sampling type fishing and washing device.
FIG. 2 is a schematic view of a structure of a collecting device of a mechanical debris sampling type fishing and washing device.
FIG. 3 is a schematic view of a quantitative receiver of a mechanical debris sampling type fishing device.
FIG. 4 is a cross-sectional view of a collection bucket of a mechanical debris sampling type bailing device.
FIG. 5 is a schematic view of a material receiving device of a mechanical rock debris sampling type fishing and washing device.
In the figure: 1. a body; 11. a vertical partition plate; 12. a diaphragm plate; 13. a controller; 2. vibrating screen; 3. a collection device; 31. a feed inlet; 32. a cover plate; 33. a cylinder; 34. a first water inlet pipe; 35. a first electrically operated valve; 4. a sludge storage tank; 5. a quantitative material receiver; 51. a base; 511. a T-shaped groove; 52. a collection barrel; 521. a T-shaped block; 522. a rotating cylinder; 523. rotating the plate; 53. a weight sensor; 6. a stepping motor; 7. a material receiving device; 71. a ring seat; 711. a notch; 72. a central barrel; 721. a special-shaped mounting hole; 73. a web; 74. A top ring; 75. placing a ring; 76. a filter bowl; 77. a handle; 8. a water outlet pipe; 9. and (4) a spray head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The specific implementation mode is as follows:
referring to fig. 1-5, a mechanical rock debris sampling type fishing and washing device comprises a machine body 1, a controller 13 is arranged at one side of the machine body 1, a collecting device 3 is arranged at one side of the upper part of the machine body 1, a vibrating screen 2 is arranged below a discharge hole of the collecting device 3, a vertical clapboard 11 is arranged in the machine body 1, a mud storage tank 4 is arranged on one side of the vertical partition plate 11, the mud storage tank 4 is positioned below the vibrating screen 2, the other side of the vertical clapboard 11 is provided with a quantitative material receiver 5 and a transverse clapboard 12, the quantitative material receiver 5 is positioned below the discharge hole of the vibrating screen 2, the diaphragm plate 12 is positioned below the quantitative material receiver 5 and the other three surfaces of the diaphragm plate are hermetically connected with the machine body 1, a stepping motor 6 is arranged below the transverse partition plate 12, and a rotating shaft of the stepping motor 6 penetrates through the transverse partition plate 12 and is detachably connected with a material receiving device 7.
The collecting device 3 is a spiral feeder which comprises a spiral pipe, a spiral shaft is arranged in the spiral pipe, spiral blades are arranged on the spiral shaft, and a motor is arranged at one end of the spiral pipe. The one end that the screw feeder is close to the motor is provided with feed inlet 31, and the other end is provided with the discharge gate, one side that feed inlet 31 is close to the screw feeder motor is provided with first inlet tube 34, be provided with first electric valve 35 on the first inlet tube 34, the opposite side sliding connection of feed inlet 31 has apron 32, be provided with cylinder 33 on the spiral pipe of screw feeder, the piston rod and the apron 32 of cylinder 33 are connected. The first electrically operated valve 35 is connected to a water source through a water pipe, and the first water inlet pipe 34 can be set to be a little thin and the amount of water is not too large. The solenoid valve controlling the air passage of the cylinder 33 is electrically connected to the controller 13. The pneumatic circuit of the cylinder 33 is connected to a source of compressed air (not belonging to the present device).
The quantitative material receiver 5 comprises a base 51 and a collecting barrel 52, wherein the base 51 is arranged at the top of the vertical partition plate 11, a T-shaped groove 511 is formed in the base 51, a weight sensor 53 is arranged at the bottom of the T-shaped groove 511, a T-shaped block 521 is arranged on one side of the collecting barrel 52, and the T-shaped block 521 is positioned in the T-shaped groove 511 and is in sliding connection with the T-shaped groove 511; the bottom of the collecting barrel 52 is open, the lower part of the collecting barrel 52 is rotatably connected with a rotating plate 523, the diameter of the rotating plate 523 is slightly smaller than that of the collecting barrel 52, the thickness of the rotating plate 523 needs to be thinner, and the edge of the outer circumference is provided with a round angle so as to facilitate the rotation. The rotating plate 523 is provided with a plurality of through holes, the two sides of the rotating plate 523 are provided with rotating shafts, and the rotating plate 523 is driven by a rotating cylinder 522 fixed on one side of the collecting barrel 52. The weight sensor 53 is capable of weighing the collected debris. The solenoid valve controlling the air passage of the rotary cylinder 522 is electrically connected to the controller 13. The air passages of the rotary cylinder 522 are connected to a source of compressed air (not part of the present device). The rotary cylinder 522 can drive the rotary plate 523 to rotate, thereby opening or closing the bottom of the collection tub 52.
The material receiving device 7 comprises a ring seat 71 and a central cylinder 72, the ring seat 71 is connected with the central cylinder 72 through a plurality of web plates 73, and the bottom surface of the ring seat 71 is lower than that of the central cylinder 72, so that the material receiving device 7 can be stably placed on the ground when materials are taken. The upper part of the central cylinder 72 is provided with a top ring 74, the top ring 74 is provided with a plurality of placing rings 75, filter cups 76 are placed in the placing rings 75, filter cups 76 are provided with filter holes, and the filter cups 76 can be taken down. The bottom of the central cylinder 72 is provided with a special-shaped mounting hole 721 (the special-shaped mounting hole 721 is drawn to penetrate up and down in fig. 5 for convenience of viewing), and the end of the rotating shaft of the stepping motor 6 is in a shape corresponding to the special-shaped mounting hole 721. The cross section of the special-shaped mounting hole 721 can be regular hexagon, regular quadrangle or other shapes, so that the stepping motor 6 can drive the central cylinder 72 to rotate, and the central cylinder 72 can be detached from the rotating shaft of the stepping motor 6. The bottom surface of the ring seat 71 is higher than the upper surface of the diaphragm 12.
A gap 711 is formed in one side of the ring seat 71, and a corresponding space is reserved between the placing rings 75 on the top ring 74 at a position corresponding to the gap 711, so that the material receiving device 7 can be taken out of the machine body 1.
The top ring 74 is provided with a handle 77, which is convenient for grabbing.
The machine body 1 is provided with a spray head 9 above the material receiving device 7, the spray head 9 is provided with a universal pipe, the spray head 9 is connected with a second water inlet pipe (not shown in the figure), and a second electric valve (not shown in the figure) is arranged on the second water inlet pipe.
The machine body 1 is provided with a water outlet pipe 8 above the diaphragm plate 12 for discharging sewage, and the discharged sewage is preferably discharged to sewage treatment equipment through a pipeline.
All electric control elements of the device are electrically connected to and controlled by the controller.
The process for dredging sand by using the high-efficiency solid-liquid separation portable sand dredging device comprises the following steps:
A. placing a feed port 31 of the collecting device 3 below a discharge port of a mud vibrating screen of the petroleum drilling equipment so as to collect rock debris with a small amount of mud;
B. when rock debris needs to be collected, a motor of the spiral feeder rotates, then a piston rod of the air cylinder 33 retracts, so that the cover plate 32 is separated from the feeding hole 31, the first electromagnetic valve 35 is opened, a proper amount of water enters the spiral feeder, the water plays a lubricating role on one hand, on the other hand, the rock debris with mud can be preliminarily cleaned, the rock debris with mud falls into the vibrating screen 2 from a discharging hole of the spiral feeder, at the moment, the vibrating screen 2 works to separate mud water and rock debris, the mud water falls into the mud storage tank 4, the rock debris falls into the collecting barrel 52 from a discharging hole of the vibrating screen 2, when the rock debris in the collecting barrel 52 reaches a required weight, the piston rod of the air cylinder 33 extends out to push the cover plate 32 to cover the feeding hole 31, at the moment, the rock debris with mud discharged from the discharging hole of the mud vibrating screen of the oil drilling equipment falls down from two sides of the cover plate 32, then the spiral feeder and the vibrating screen 2 stop working, then the rotating cylinder 522 drives the rotating plate 523 to rotate, the rock debris falls into the filter bowl 76 positioned below the collecting barrel 52, then the stepping motor 6 drives the material receiving device 7 to rotate, so that the filter bowl 76 is positioned below the spray head 9, and meanwhile, the next filter bowl 76 is positioned below the collecting barrel 52 (the position of the spray head 9 is designed to realize the actions), then the second electromagnetic valve is opened, the spray head 9 sprays water to clean the rock debris in the filter bowl 76, and then the second electromagnetic valve is closed;
C. after all the filter cups 76 collect the rock debris, the notch 711 is aligned with the quantitative material receiver 5, then the spray head 9 is pulled to one side, the receiving device 7 is lifted out by holding the handle 77 by hand and placed on the ground, and then the rock debris in the filter cups 76 are numbered and collected one by one.
And when the rock debris fishing and washing work is carried out again, the equipment needs to be restored to the original position, and then the process is repeated.
The invention adopts a mechanical mode to automatically sample the rock debris, avoids the error of artificial sampling, reduces the labor intensity, can quantitatively sample and avoids the condition of too little sampling quantity.
Claims (9)
1. The utility model provides a mechanical detritus is got pattern and is dragged for washing device, includes organism (1), one side of organism (1) is provided with controller (13), its characterized in that: one side on organism (1) upper portion is provided with collection system (3), the discharge gate below of collection system (3) is provided with reciprocating sieve (2), be provided with in organism (1) and erect baffle (11), the one side of erecting baffle (11) is provided with stores up mud jar (4), it is located reciprocating sieve (2) below to store up mud jar (4), the opposite side of erecting baffle (11) is provided with ration material receiver (5) and cross slab (12), ration material receiver (5) are located the below of reciprocating sieve (2) discharge gate, cross slab (12) are located ration material receiver (5) below and its trilateral organism (1) of connecting in addition, cross slab (12) below is provided with step motor (6), the pivot of step motor (6) pierces through cross slab (12) and detachable is connected with material collecting device (7).
2. The mechanical rock debris sampling type fishing device according to claim 1, wherein: collection device (3) are screw feeder, screw feeder is close to the one end of motor and is provided with feed inlet (31), one side that feed inlet (31) are close to the screw feeder motor is provided with first inlet tube (34), be provided with first electric valve (35) on first inlet tube (34), the opposite side sliding connection of feed inlet (31) has apron (32), be provided with cylinder (33) on the spiral pipe of screw feeder, the piston rod and the apron (32) of cylinder (33) are connected.
3. The mechanical rock debris sampling type fishing device according to claim 1, wherein: the quantitative material receiver (5) comprises a base (51) and a collecting barrel (52), wherein the base (51) is arranged at the top of the vertical partition plate (11), a T-shaped groove (511) is formed in the base (51), a weight sensor (53) is arranged at the bottom of the T-shaped groove (511), a T-shaped block (521) is arranged on one side of the collecting barrel (52), and the T-shaped block (521) is located in the T-shaped groove (511) and is in sliding connection with the T-shaped groove; the bottom opening of collecting vessel (52), collecting vessel (52) lower part is rotated and is connected with commentaries on classics board (523), be provided with a plurality of through-holes on commentaries on classics board (523), the both sides of changeing board (523) are provided with the pivot, commentaries on classics board (523) are by fixing rotatory cylinder (522) drive in collecting vessel (52) one side.
4. The mechanical rock debris sampling type fishing device according to claim 1, wherein: the material receiving device (7) comprises a ring seat (71) and a central cylinder (72), the ring seat (71) is connected with the central cylinder (72) through a plurality of radial plates (73), the bottom surface of the ring seat (71) is lower than that of the central cylinder (72), a top ring (74) is arranged at the upper part of the central cylinder (72), a plurality of placing rings (75) are arranged on the top ring (74), and filter cups (76) are placed in the placing rings (75); the bottom of the central cylinder (72) is provided with a special-shaped mounting hole (721), and the end part of the rotating shaft of the stepping motor (6) is in a shape corresponding to the special-shaped mounting hole (721).
5. The mechanical rock debris sampling type fishing device according to claim 4, wherein: a notch (711) is formed in one side of the ring seat (71), and corresponding intervals are reserved between the placing rings (75) on the top ring (74) at positions corresponding to the notches (711).
6. The mechanical rock debris sampling type fishing device according to claim 5, wherein: the top ring (74) is provided with a handle (77).
7. The mechanical rock debris sampling type fishing device as claimed in claims 1 to 6, wherein: the machine body (1) is provided with a spray head (9) above the material receiving device (7), the spray head (9) is provided with a universal pipe, the spray head (9) is connected with a second water inlet pipe, and a second electric valve is arranged on the second water inlet pipe.
8. The mechanical rock debris sampling type fishing device according to claim 7, wherein: the machine body (1) is provided with a water outlet pipe (8) above the diaphragm plate (12).
9. A process for bailing sand using the mechanical rock debris sampling type bailing device of claim 8, characterized by the steps of:
A. placing a feed inlet (31) of the collecting device (3) below a discharge outlet of a mud vibrating screen of the petroleum drilling equipment;
B. when rock debris needs to be collected, a motor of the screw feeder rotates, then a piston rod of the air cylinder (33) retracts, so that the cover plate (32) is separated from the feeding hole (31), the first electromagnetic valve (35) is opened, the rock debris with mud falls into the vibrating screen (2) from the discharging hole of the screw feeder, at the moment, the vibrating screen (2) works to separate the mud from the rock debris, the mud and the mud fall into the mud storage tank (4), the rock debris falls into the collecting barrel (52) from the discharging hole of the vibrating screen (2), when the rock debris in the collecting barrel (52) reaches the required weight, the piston rod of the air cylinder (33) stretches out to push the cover plate (32) to cover the feeding hole (31), then the screw feeder and the vibrating screen (2) stop working, then the rotating air cylinder (522) drives the rotating plate (523) to rotate, the rock debris falls into the filter cup (76) positioned below the collecting barrel (52), and then the stepping motor (6) drives the material receiving device (7) to rotate, enabling the filter cup (76) to be located below the spray head (9), enabling the next filter cup (76) to be located below the collecting barrel (52), then opening the second electromagnetic valve, enabling the spray head (9) to spray water to clean rock debris in the filter cup (76), and then closing the second electromagnetic valve;
C. after all the filter cups (76) collect the rock debris, the notch (711) is aligned to the quantitative material receiver (5), then the spray head (9) is pulled to one side, the receiving device (7) is lifted by holding the handle (77) with a hand and placed on the ground, and then the rock debris in the filter cups (76) are numbered and collected one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111400998.0A CN114370268A (en) | 2021-11-24 | 2021-11-24 | Mechanical rock debris sampling type fishing and washing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111400998.0A CN114370268A (en) | 2021-11-24 | 2021-11-24 | Mechanical rock debris sampling type fishing and washing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114370268A true CN114370268A (en) | 2022-04-19 |
Family
ID=81138528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111400998.0A Withdrawn CN114370268A (en) | 2021-11-24 | 2021-11-24 | Mechanical rock debris sampling type fishing and washing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114370268A (en) |
-
2021
- 2021-11-24 CN CN202111400998.0A patent/CN114370268A/en not_active Withdrawn
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| PB01 | Publication | ||
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Application publication date: 20220419 |
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| WW01 | Invention patent application withdrawn after publication |