CN113338864A - Method for cleaning impurities generated in mining of petroleum well wall - Google Patents
Method for cleaning impurities generated in mining of petroleum well wall Download PDFInfo
- Publication number
- CN113338864A CN113338864A CN202110607392.8A CN202110607392A CN113338864A CN 113338864 A CN113338864 A CN 113338864A CN 202110607392 A CN202110607392 A CN 202110607392A CN 113338864 A CN113338864 A CN 113338864A
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- Prior art keywords
- compaction
- lifting
- scraping blade
- gear
- wall
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- 238000004140 cleaning Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000012535 impurity Substances 0.000 title claims abstract description 18
- 238000005065 mining Methods 0.000 title claims abstract description 11
- 239000003208 petroleum Substances 0.000 title claims description 6
- 238000005056 compaction Methods 0.000 claims abstract description 70
- 239000010802 sludge Substances 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 239000003129 oil well Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 68
- 238000007790 scraping Methods 0.000 claims description 39
- 238000005192 partition Methods 0.000 claims description 15
- 230000001174 ascending effect Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
-
- 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
- E21B37/00—Methods or apparatus for cleaning 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)
- Cleaning In General (AREA)
Abstract
The invention discloses a method for cleaning impurities generated in mining of an oil well wall, which comprises a fixed block, wherein a lifting power cavity is arranged in the fixed block, a lifting motor is fixedly arranged on the upper end surface of the fixed block, a lifting power shaft is connected to the lower end surface of the lifting motor in a driving manner, and the lifting power shaft penetrates through the fixed block and is rotatably connected to the lower end surface of the lifting power cavity; according to the mine wall cleaning and reinforcing device, the cleaning and reinforcing of the mine wall can be automatically completed according to the scraper which is opened when the mine wall is lifted and the extended compaction block, the scraper and the compaction block can rotate due to resistance when the scraper and the compaction block are in contact with the mine wall, so that the mine wall cleaning and reinforcing device can adapt to mines of various sizes, collected sludge can be discharged through a pipeline when the mine wall cleaning and reinforcing device is used for cleaning, the cleaning and reinforcing of one mine can be completed through one-time operation, and the operation efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of oil exploitation, in particular to a method for cleaning impurities in exploitation of an oil well mine wall.
Background
In the process of oil exploitation, impurities generated on the mine wall in the exploitation process are often required to be cleaned, the existing cleaning method cannot complete cleaning operation in one step, so that the efficiency is low, and the method is poor in adaptability because cleaning equipment is required to be adjusted according to mines with different sizes. An impurity cleaning method for mining an oil well wall.
Disclosure of Invention
The invention aims to provide a method for cleaning impurities generated in mining of an oil well wall, which is used for overcoming the defects in the prior art.
The petroleum well wall mining impurity cleaning method comprises a fixed block, wherein a lifting power cavity is arranged in the fixed block, a lifting motor is fixedly arranged on the upper end face of the fixed block, a lifting power shaft is connected to the lower end face of the lifting motor in a driving manner, the lifting power shaft penetrates through the fixed block and is rotatably connected to the lower end face of the lifting power cavity, a lifting power gear is fixedly arranged on the lifting power shaft, a lifting rod penetrates through the fixed block, an internal thread gear is connected to the lifting rod in a threaded manner and is meshed with the lifting power gear, a conveying mechanism for conveying sludge to the ground surface is arranged on the lifting rod, a compaction transmission box is arranged on the lower side of the conveying mechanism, a compaction transmission cavity is arranged in the compaction transmission box, the lifting rod penetrates through the compaction transmission box and is rotatably arranged on the lower side wall of the compaction transmission cavity, the compaction transmission cavity is internally provided with a reinforcing mechanism for compacting the mine wall, and a cleaning mechanism capable of scraping sludge on the mine wall is arranged between the conveying mechanism and the reinforcing mechanism.
Optionally, conveying mechanism is including setting up conveyer pipe on the lifter, the up end quilt of conveyer pipe the lifter runs through, in the conveyer pipe the last fixed conveying blade that is equipped with of lifter, the lower terminal surface of conveyer pipe is open state.
Optionally, the cleaning mechanism includes an upper partition plate rotatably disposed on the outer surface of the conveying pipe, a plurality of scraper power shafts are rotatably disposed on the lower end surface of the upper partition plate, the scraper power shafts are annularly disposed, a scraper fixing wheel is fixedly disposed on each scraper power shaft, a scraper is fixedly mounted on each scraper fixing wheel, an intermediate plate is disposed on the lower side of each scraper fixing wheel, each scraper power shaft penetrates through the intermediate plate and is rotatably connected to the upper end surface of the compaction transmission box, a scraper transmission gear is fixedly disposed on each scraper power shaft, a central driving gear is fixedly disposed on each lifting rod, the scraper transmission gear is meshed with the central driving gear, the intermediate plate, the upper partition plate and the scraper fixing wheel form a collecting cavity, and the lower end surface of the conveying pipe penetrates through the upper partition plate and extends into the collecting cavity.
Optionally, the reinforcing mechanism comprises a central bevel gear which is fixedly arranged in the compaction transmission cavity and on the lifting rod, two stretching screw rods which are symmetrical in left and right positions are rotatably arranged on the inner wall of the compaction transmission cavity, a transmission bevel gear is fixedly arranged on the inner side end face of each stretching screw rod and meshed with the central bevel gear, a stretching moving block is connected to each stretching screw rod in a threaded mode and can move left and right in the compaction transmission cavity, a connecting block is fixedly arranged on the lower end face of each stretching moving block, a compaction block is fixedly connected to the outer end face of each connecting block, and two stretching holes which are symmetrical in left and right positions are formed in the compaction transmission box.
Optionally, three fixing legs are fixedly arranged on the outer end face of the fixing block, and the fixing legs are arranged in a triangular manner.
Optionally, a discharge pipe is arranged on the upper end face of the conveying pipe, and the discharge pipe extends into the conveying pipe. A use method of an oil well wall mining impurity cleaning method comprises the following specific steps:
firstly, fixing a fixing foot on the ground, starting a lifting motor, driving a lifting power shaft to rotate by the lifting motor, driving a lifting power gear to rotate by the lifting power shaft, driving a lifting rod to descend towards the mine bottom by the lifting power gear through an internal thread gear, clockwise rotating the lifting rod at the moment, and clockwise rotating a central driving gear and a central bevel gear which are fixedly connected with the lifting rod, so that a scraping blade cannot be opened, a compaction block cannot extend out, and a cleaning mechanism and the compaction block can move to the mine bottom under the condition that the cleaning mechanism and the compaction block cannot touch the mine wall;
secondly, when the cleaning mechanism falls to the bottom of the mine, the lifting motor is reversed, the lifting motor drives the lifting power shaft to rotate, the lifting power shaft drives the lifting power gear to rotate, the lifting power gear drives the lifting rod to ascend through the internal thread gear, at the moment, the lifting rod rotates anticlockwise, the central driving gear also rotates anticlockwise due to the anticlockwise rotation of the lifting rod, so that the scraping blade transmission gear rotates clockwise, the scraping blade transmission gear drives the scraping blade fixing wheel to rotate clockwise through the scraping blade power shaft, the scraping blade fixing wheel rotates clockwise to open the scraping blade to be in contact with the mine wall, the scraping blade cannot be opened any more due to the contact with the mine wall, but the lifting rod can continue to rotate, the cleaning mechanism can be regarded as a whole and rotates, the upper partition plate and the compaction transmission box rotate, so that the scraping blade can rotate around the lifting rod as the circle center, the operation of scraping the sludge is completed, the scraped sludge is collected in the collection cavity, and the sludge is conveyed into the discharge pipe through the conveying blades and discharged due to the rotation of the conveying blades;
and thirdly, when the mud is scraped and conveyed, the lifting rod drives the central bevel gear to rotate, the central bevel gear drives the transmission bevel gear to rotate, the transmission bevel gear drives the extending moving block to move towards the outer side through the extending screw rod, so that the compaction block extends to the outer side of the compaction transmission box from the extending hole and extrudes the mine wall, and the compaction transmission box completes compaction and reinforcement of the mine wall in an annular ascending mode due to the rotation of the compaction transmission box.
The invention has the beneficial effects that: according to the mine wall cleaning and reinforcing device, the cleaning and reinforcing of the mine wall can be automatically completed according to the scraper which is opened when the mine wall is lifted and the extended compaction block, the scraper and the compaction block can rotate due to resistance when the scraper and the compaction block are in contact with the mine wall, so that the mine wall cleaning and reinforcing device can adapt to mines of various sizes, collected sludge can be discharged through a pipeline when the mine wall cleaning and reinforcing device is used for cleaning, the cleaning and reinforcing of one mine can be completed through one-time operation, and the operation efficiency is greatly improved.
Drawings
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
FIG. 1 is a schematic illustration of a method of cleaning the walls of a petroleum well of the present invention of mined impurities;
FIG. 2 is a schematic view of the structure of FIG. 1;
FIG. 3 is a schematic view of the structure at A-A in FIG. 2;
fig. 4 is a schematic diagram of the structure at B in fig. 2.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-4, a method for cleaning impurities in mining of an oil well wall according to an embodiment of the present invention includes a fixed block 11, a lifting power cavity 17 is disposed in the fixed block 11, a lifting motor 13 is fixedly disposed on an upper end surface of the fixed block 11, a lifting power shaft 14 is drivingly connected to a lower end surface of the lifting motor 13, the lifting power shaft 14 penetrates through the fixed block 11 and is rotatably connected to a lower end surface of the lifting power cavity 17, a lifting power gear 15 is fixedly disposed on the lifting power shaft 14, a lifting rod 12 is disposed on the fixed block 11 in a penetrating manner, an internally threaded gear 16 is threadedly connected to the lifting rod 12, the internally threaded gear 16 is engaged with the lifting power gear 15, a conveying mechanism 40 for conveying sludge to the ground surface is mounted on the lifting rod 12, a compaction transmission box 29 is disposed on a lower side of the conveying mechanism 40, a compaction transmission cavity 31 is arranged in the compaction transmission box 29, the lifting rod 12 penetrates through the compaction transmission box 29 and is rotatably arranged on the lower side wall of the compaction transmission cavity 31, a reinforcing mechanism 42 for compacting the mine wall is arranged in the compaction transmission cavity 31, and a cleaning mechanism 41 capable of scraping sludge on the mine wall is arranged between the conveying mechanism 40 and the reinforcing mechanism 42.
Preferably, the conveying mechanism 40 includes a conveying pipe 19 disposed on the lifting rod 12, an upper end surface of the conveying pipe 19 is penetrated by the lifting rod 12, a conveying blade 20 is fixedly disposed on the lifting rod 12 in the conveying pipe 19, a lower end surface of the conveying pipe 19 is in an open state, and the conveying blade 20 is used for conveying the sludge.
Preferably, the cleaning mechanism 41 includes an upper partition 21 rotatably disposed on the outer surface of the conveying pipe 19, a plurality of wiper power shafts 27 are rotatably disposed on the lower end surface of the upper partition 21, the wiper power shafts 27 are annularly disposed, a wiper fixing wheel 23 is fixedly disposed on the wiper power shaft 27, a wiper 22 is fixedly disposed on the wiper fixing wheel 23, an intermediate plate 28 is disposed on the lower side of the wiper fixing wheel 23, the wiper power shaft 27 penetrates through the intermediate plate 28 and is rotatably connected to the upper end surface of the compacting transmission box 29, a wiper transmission gear 25 is fixedly disposed on the wiper power shaft 27, a central driving gear 26 is fixedly disposed on the lifting rod 12, the wiper transmission gear 25 is engaged with the central driving gear 26, the intermediate plate 28, the upper partition 21 and the wiper fixing wheel 23 form a collecting cavity 24, the lower end surface of the conveying pipe 19 penetrates through the upper partition 21 and extends into the collecting cavity 24, the scraper blade 22 is used to scrape sludge from the mine wall and the collection chamber 24 is used to collect the scraped sludge.
Preferably, the stiffening mechanism 42 comprises a central bevel gear 32 within the compaction drive cavity 31 and fixedly disposed on the lifter 12, two stretching screw rods 34 which are symmetrical left and right are rotatably arranged on the inner wall of the compaction transmission cavity 31, a transmission bevel gear 33 is fixedly arranged on the inner side end surface of the extension screw rod 34, the transmission bevel gear 33 is meshed with the central bevel gear 32, a protruding moving block 35 is connected to the protruding lead screw 34 in a threaded manner, the protruding moving block 35 can move left and right in the compaction transmission cavity 31, a connecting block 36 is fixedly arranged on the lower end surface of the extending moving block 35, a compacting block 37 is fixedly connected on the outer end surface of the connecting block 36, two extending holes 30 which are symmetrical left and right are arranged on the compaction transmission case 29, the extending holes 30 are used for the passage of a compaction block 37, and the compaction block 37 is used for compacting the mine wall.
Preferably, three fixing legs 10 are fixedly arranged on the outer end face of the fixing block 11, the fixing legs 10 are arranged in a triangular shape, and the fixing legs 10 are used for ensuring the position of the fixing block 11 to be fixed.
Preferably, a discharge pipe 18 is provided on the upper end surface of the conveying pipe 19, the discharge pipe 18 extends to the inside of the conveying pipe 19, and the discharge pipe 18 is used for discharging the sludge conveyed by the conveying blade 20.
A use method of an oil well wall mining impurity cleaning method comprises the following specific steps:
firstly, fixing a fixing foot 10 on the ground, starting a lifting motor 13, driving a lifting power shaft 14 to rotate by the lifting motor 13, driving a lifting power gear 15 to rotate by the lifting power shaft 14, driving a lifting rod 12 to descend towards the bottom of a mine by the lifting power gear 15 through an internal thread gear 16, wherein the lifting rod 12 rotates clockwise, and a central driving gear 26 and a central bevel gear 32 which are fixedly connected with the lifting rod 12 also rotate clockwise, so that a scraping blade 22 cannot be opened, and a compaction block 37 cannot extend out, so that a cleaning mechanism 41 and the compaction block 37 move to the bottom of the mine under the condition that the cleaning mechanism and the compaction block 37 cannot touch the wall of the mine;
secondly, when the cleaning mechanism 41 is lowered to the bottom of the mine, the lifting motor 13 is reversed, the lifting motor 13 drives the lifting power shaft 14 to rotate, the lifting power shaft 14 drives the lifting power gear 15 to rotate, the lifting power gear 15 drives the lifting rod 12 to ascend through the internal thread gear 16, at this time, the lifting rod 12 rotates anticlockwise, because the lifting rod 12 rotates anticlockwise, the central driving gear 26 also rotates anticlockwise, the scraper transmission gear 25 rotates clockwise, the scraper transmission gear 25 drives the scraper fixing wheel 23 to rotate clockwise through the scraper power shaft 27, the scraper fixing wheel 23 rotates clockwise, so that the scraper 22 is opened and contacts with the mine wall, because the scraper 22 is in contact with the mine wall, the lifting rod 12 continues to rotate, because the scraper transmission gear 25 does not rotate any more, the cleaning mechanism 41 can be regarded as a whole and rotates, the upper partition 21 and the compacting transmission case 29 are rotated so that the scraping blade 22 can rotate around the lifting rod 12 as a center, the operation of scraping the sludge is completed, and the scraped sludge is collected in the collection chamber 24, and the sludge is conveyed into the discharge pipe 18 through the conveying blade 20 and discharged due to the rotation of the conveying blade 20;
in the third step, the lifting rod 12 drives the central bevel gear 32 to rotate while scraping and conveying, the central bevel gear 32 drives the transmission bevel gear 33 to rotate, the transmission bevel gear 33 drives the extending moving block 35 to move towards the outer side through the extending screw rod 34, so that the compaction block 37 extends out of the extending hole 30 to the outer side of the compaction transmission box 29 and extrudes the mine wall, and the compaction transmission box 29 completes compaction and reinforcement of the mine wall in an annular ascending mode due to the rotation of the compaction transmission box 29.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The method for cleaning impurities generated in mining of the wall of the petroleum well comprises a fixing block and is characterized in that: the mine wall compaction device is characterized in that a lifting power cavity is arranged in the fixed block, a lifting motor is fixedly arranged on the upper end face of the fixed block, a lifting power shaft is connected to the lower end face of the lifting motor in a driving mode, the lifting power shaft penetrates through the fixed block and is connected to the lower end face of the lifting power cavity in a rotating mode, a lifting power gear is fixedly arranged on the lifting power shaft, a lifting rod penetrates through the fixed block and is provided with an internal thread gear in a threaded connection mode, the internal thread gear is meshed with the lifting power gear, a conveying mechanism for conveying silt to the ground surface is arranged on the lifting rod, a compaction transmission box is arranged on the lower side of the conveying mechanism, a compaction transmission cavity is arranged in the compaction transmission box, the lifting rod penetrates through the compaction transmission box and is arranged on the lower side wall of the compaction transmission cavity in a rotating mode, and a reinforcing mechanism for compacting the mine wall is arranged in the compaction transmission cavity, and a cleaning mechanism capable of scraping silt on the mine wall is arranged between the conveying mechanism and the reinforcing mechanism.
2. The method for cleaning impurities mined from the wall of an oil well, according to claim 1, characterized in that: conveying mechanism is including setting up conveyer pipe on the lifter, the up end quilt of conveyer pipe the lifter runs through, in the conveyer pipe the last fixed conveying blade that is equipped with of lifter, the lower terminal surface of conveyer pipe is open state.
3. The method for cleaning impurities mined from the wall of an oil well, according to claim 2, characterized in that: the cleaning mechanism is arranged on an upper partition plate on the outer surface of the conveying pipe in a rotating mode, a plurality of scraping blade power shafts are arranged on the lower end face of the upper partition plate in a rotating mode, the scraping blade power shafts are arranged in an annular mode, scraping blade fixing wheels are fixedly arranged on the scraping blade power shafts, scraping blades are fixedly mounted on the scraping blade fixing wheels, an intermediate plate is arranged on the lower side of each scraping blade fixing wheel, the scraping blade power shafts penetrate through the intermediate plate and are rotatably connected to the upper end face of the compaction transmission box, scraping blade transmission gears are fixedly arranged on the scraping blade power shafts, central driving gears are fixedly arranged on the lifting rods, the scraping blade transmission gears are meshed with the central driving gears, the intermediate plate, the upper partition plate and the scraping blade fixing wheels form a collecting cavity, and the lower end face of the conveying pipe penetrates through the upper partition plate and extends into the collecting cavity.
4. A method as claimed in claim 3, wherein the method comprises the following steps: the reinforcing mechanism comprises a compaction transmission cavity, a central bevel gear on the lifting rod and fixedly arranged in the compaction transmission cavity, two stretching screw rods with symmetrical left and right positions are rotatably arranged on the inner wall of the compaction transmission cavity, a transmission bevel gear is fixedly arranged on the inner side end face of each stretching screw rod and meshed with the central bevel gear, a stretching moving block is connected to each stretching screw rod in a threaded mode and can move left and right in the compaction transmission cavity, a connecting block is fixedly arranged on the lower end face of each stretching moving block, a compaction block is fixedly connected to the outer end face of each connecting block, and two stretching holes with symmetrical left and right positions are formed in the compaction transmission box.
5. The method for cleaning impurities mined from the wall of an oil well, according to claim 4, characterized in that: the outer end face of the fixed block is fixedly provided with three fixed legs, and the fixed legs are arranged in a triangular mode.
6. The method for cleaning impurities mined from the wall of the petroleum well, according to claim 5, is characterized in that: and a discharge pipe is arranged on the upper end face of the conveying pipe and extends into the conveying pipe.
7. The use method of the oil well wall mining impurity cleaning method according to claim 6 comprises the following steps:
firstly, fixing a fixing foot on the ground, starting a lifting motor, driving a lifting power shaft to rotate by the lifting motor, driving a lifting power gear to rotate by the lifting power shaft, driving a lifting rod to descend towards the mine bottom by the lifting power gear through an internal thread gear, clockwise rotating the lifting rod at the moment, and clockwise rotating a central driving gear and a central bevel gear which are fixedly connected with the lifting rod, so that a scraping blade cannot be opened, a compaction block cannot extend out, and a cleaning mechanism and the compaction block can move to the mine bottom under the condition that the cleaning mechanism and the compaction block cannot touch the mine wall;
secondly, when the cleaning mechanism falls to the bottom of the mine, the lifting motor is reversed, the lifting motor drives the lifting power shaft to rotate, the lifting power shaft drives the lifting power gear to rotate, the lifting power gear drives the lifting rod to ascend through the internal thread gear, at the moment, the lifting rod rotates anticlockwise, the central driving gear also rotates anticlockwise due to the anticlockwise rotation of the lifting rod, so that the scraping blade transmission gear rotates clockwise, the scraping blade transmission gear drives the scraping blade fixing wheel to rotate clockwise through the scraping blade power shaft, the scraping blade fixing wheel rotates clockwise to open the scraping blade to be in contact with the mine wall, the scraping blade cannot be opened any more due to the contact with the mine wall, but the lifting rod can continue to rotate, the cleaning mechanism can be regarded as a whole and rotates, the upper partition plate and the compaction transmission box rotate, so that the scraping blade can rotate around the lifting rod as the circle center, the operation of scraping the sludge is completed, the scraped sludge is collected in the collection cavity, and the sludge is conveyed into the discharge pipe through the conveying blades and discharged due to the rotation of the conveying blades;
and thirdly, when the mud is scraped and conveyed, the lifting rod drives the central bevel gear to rotate, the central bevel gear drives the transmission bevel gear to rotate, the transmission bevel gear drives the extending moving block to move towards the outer side through the extending screw rod, so that the compaction block extends to the outer side of the compaction transmission box from the extending hole and extrudes the mine wall, and the compaction transmission box completes compaction and reinforcement of the mine wall in an annular ascending mode due to the rotation of the compaction transmission box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607392.8A CN113338864A (en) | 2021-06-01 | 2021-06-01 | Method for cleaning impurities generated in mining of petroleum well wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607392.8A CN113338864A (en) | 2021-06-01 | 2021-06-01 | Method for cleaning impurities generated in mining of petroleum well wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113338864A true CN113338864A (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110607392.8A Withdrawn CN113338864A (en) | 2021-06-01 | 2021-06-01 | Method for cleaning impurities generated in mining of petroleum well wall |
Country Status (1)
| Country | Link |
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| CN (1) | CN113338864A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738308A (en) * | 2021-09-26 | 2021-12-03 | 肖文海 | Oil well pipeline petroleum wax removal device for petroleum exploitation |
| CN114130768A (en) * | 2021-11-26 | 2022-03-04 | 华北理工大学 | Through hole device for engineering machinery maintenance |
-
2021
- 2021-06-01 CN CN202110607392.8A patent/CN113338864A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738308A (en) * | 2021-09-26 | 2021-12-03 | 肖文海 | Oil well pipeline petroleum wax removal device for petroleum exploitation |
| CN114130768A (en) * | 2021-11-26 | 2022-03-04 | 华北理工大学 | Through hole device for engineering machinery maintenance |
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Application publication date: 20210903 |
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| WW01 | Invention patent application withdrawn after publication |