CN113914791B - Drilling propeller for oil exploitation and use method thereof - Google Patents
Drilling propeller for oil exploitation and use method thereof Download PDFInfo
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- CN113914791B CN113914791B CN202111497257.9A CN202111497257A CN113914791B CN 113914791 B CN113914791 B CN 113914791B CN 202111497257 A CN202111497257 A CN 202111497257A CN 113914791 B CN113914791 B CN 113914791B
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- 238000005553 drilling Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000000605 extraction Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a drilling propeller for oil exploitation and a using method thereof, belongs to the field of oil exploitation, and relates to an oil exploitation drilling technology; the propeller comprises a propeller body, wherein one end of the propeller body is provided with a fixing component for fixing the propeller body; the driving piece is arranged in the propeller body, the drilling rod for oil exploitation is arranged on one side of the driving piece, the drill bit is fixedly connected to one end, away from the driving piece, of the drilling rod, and impact damage of the drill bit to the ground floor is buffered through the matching of the water tank and the water outlet pipe, so that the torque fluctuation range brought to the ground floor by impact is greatly reduced, and the service lives of the drill bit and the drilling tool are prolonged; the propeller is enabled to work normally in use; the propeller has simple structure, easy manufacture, low cost and convenient maintenance; the flexible sheath is changed conveniently, and the cooperation of fixed subassembly and propeller body can make things convenient for the staff to the secondary installation of fixed subassembly, has improved the efficiency of oil development work with the quick installation in fixed subassembly of propeller body.
Description
Technical Field
The invention belongs to the field of oil exploitation, in particular relates to a drilling propeller for oil exploitation and a using method thereof, and relates to an oil exploitation drilling technology.
Background
The oil exploitation refers to the action of excavating and extracting oil in places where the oil is stored, and in the process of exploiting the oil, oil gas flows into a well bottom from a reservoir stratum and rises to a well head from the well bottom; in the current drilling work of petroleum or other geology, the basic combination of a drill string is that a drill rod, a drill collar and a drill bit are matched, and in order to improve the drilling quality and the drilling speed or carry out directional drilling, a stabilizer with a centralizing function, a power drilling tool such as a screw drilling tool and the like are added between the drill collar and the drill bit; during the drilling process, the drilling of the stratum by the drill bit is actually carried out in an intermittent drilling mode due to the control of the intermittent drilling mode of manual operation.
The drilling efficiency of intermittent drilling is low, continuous impact damage and slip abrasion can be brought to the drilling edge of a drill bit, in addition, a drill rod, a drill collar and other drilling tools which form a drill string are rigid rod pieces, strong impact force and heat generated on the ground surface of a drilled drill bit need to be matched with water for pressure relief and temperature reduction under the gravity close to the drilling pressure, the existing drilling equipment cannot well control and adjust the water quantity, so that the waste of water resources can be caused, in the using process of a propeller, the service life of the drill bit can be shortened due to frequent taking, and therefore a new design scheme needs to be provided.
Disclosure of Invention
The present invention is directed to a drilling thruster for oil production and a method of using the same to solve the problems noted in the background art.
The purpose of the invention can be realized by the following technical scheme:
a drilling propeller for oil exploitation comprises a propeller body, wherein one end of the propeller body is provided with a fixing component for fixing the propeller body; the inside of propeller body is equipped with the driving piece, and one side of driving piece is equipped with the pole that creeps into that is used for oil development, creeps into the pole and keeps away from the one end fixedly connected with drill bit of driving piece.
Furthermore, the outer side of the drilling rod is sleeved with a telescopic sheath which is slidably arranged in the propeller body, the telescopic sheath comprises a shell, the outer wall of the shell is fixedly connected with a slide rod, one end of the slide rod is fixedly connected with a limit lug, the other end of the slide rod is fixedly connected with a limit connecting block, the limit connecting block is matched with a limit port arranged on the inner wall of the propeller body for use, one end of the limit connecting block, which is far away from the sliding rod, is fixedly connected with a first magnetic block, a second magnetic block is fixedly arranged on the inner wall of the limit port, the second magnetic block is matched with the first magnetic block for use, a water tank is also arranged in the propeller body, a water filling port is arranged on the water tank, and the water tank is cylindric, water tank and propeller body fixed connection, and the connecting pipe runs through in the middle part of water tank and the one end of connecting pipe link up water tank and driving piece fixed connection, the other end and the drilling rod fixed connection of connecting pipe.
Further, the upper wall of connecting pipe is equipped with the drainage mouth, has seted up the delivery port on the inner wall that the water tank is close to the connecting pipe, and fixed mounting has pressure spring in the delivery port, and pressure spring's expansion end fixedly connected with anti-overflow ball sets up the arc groove that corresponds with anti-overflow ball on the connecting pipe, and fixed mounting has the outlet pipe in the drilling rod, and the one end of outlet pipe stretches out the drilling rod, and the other end link up the terminal surface and the connecting pipe fixed connection of connecting pipe.
Further, fixed subassembly includes unable adjustment base, the last spacing groove of having seted up of unable adjustment base, the one end that flexible sheath was kept away from to the propeller body cooperatees with the spacing groove, two spacing through-holes have been seted up to unable adjustment base's lateral wall symmetry, swing joint has spacing branch in the spacing through-hole, all install on the both sides lateral wall at the both ends of spacing branch and press the briquetting, and spacing branch passes through annular buckle and is fixed with unable adjustment base, the draw-in groove has been seted up on the annular buckle, the one end that flexible sheath was kept away from to the propeller body has seted up the fixed orifices, the fixed orifices all corresponds with the shape size of spacing through-hole.
A method of using a drilling thruster for oil production, comprising the steps of:
the method comprises the following steps: inserting the propeller body into a limiting groove formed in the fixed base, combining and fixing the propeller body and the fixed assembly by using a limiting support rod and an annular buckle, and starting a driving piece;
step two: the telescopic sheath which is fixed on the outer side of the drilling rod and is embedded in the thruster body is driven by the driving piece to be telescopic into the thruster body, is limited by the limiting lug, and is fixed in the thruster body by the matching of the first magnetic block and the second magnetic block;
step three: the connecting pipe fixed with the driving piece drives the drilling rod to drill, the water outlet pipe arranged in the drilling rod is matched with the water tank, the anti-overflow ball is ejected out of the arc groove, and water in the water tank flows out of the water outlet through the drainage port, so that the drilling work is safely carried out.
Compared with the prior art, the invention has the beneficial effects that:
(1) through the matching of the water tank and the water outlet pipe, the impact damage of the drill bit to the ground bottom layer is buffered, the torque fluctuation range brought to the ground bottom layer by impact is greatly reduced, the mining work is carried out on the ground bottom layer in a more appropriate mode, the service lives of the drill bit and a drilling tool are prolonged, and the drilling quality is improved; the structure is simple, the manufacture is easy, the cost is low, and the maintenance is convenient; the telescopic sheath is convenient to replace, can be replaced from the propeller body by using a special tool, can be quickly installed in the fixed assembly by matching the fixed assembly with the propeller body, is convenient for workers to secondarily install the fixed assembly, and meanwhile, realizes quick assembly and disassembly of the propeller, and improves the efficiency of oil exploitation work;
(2) the telescopic sheath is slidably arranged in the propeller body and protects the drill bit and the water outlet pipe, so that the damage to the drill bit caused by taking and carrying the propeller in the working process is prevented; fixedly connected with slide bar on the outer wall of casing, the spacing lug of one end fixedly connected with of slide bar, the other end fixedly connected with spacing connecting block of slide bar, cooperation through spacing connecting block and spacing lug, make flexible sheath can normal use, and avoid flexible sheath indentation propeller body inside and be difficult to pull out, and spacing connecting block uses with the driving piece cooperation of seting up on propeller body inner wall, the first magnetic path of one end fixedly connected with of slide bar is kept away from to spacing connecting block, fixed mounting has the second magnetic path on the inner wall of driving piece, the second magnetic path uses with the cooperation of first magnetic path, fix flexible sheath at the propeller originally internally, after the use is accomplished, pull out flexible sheath through the manual of operating personnel, protect the drill bit once more.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic view of the use of the telescoping sheath assembly of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an exploded view of the securing assembly of the present invention;
FIG. 5 is a front view of the water tank of the present invention;
FIG. 6 is an enlarged view taken at A of FIG. 3 according to the present invention;
FIG. 7 is an enlarged view of the invention at B in FIG. 3.
In the figure: 1. a propeller body; 2. a fixing assembly; 3. a telescopic sheath; 4. a drilling rod; 11. a drive member; 12. a connecting pipe; 13. a water tank; 14. a water injection port; 15. a fixing hole; 17. a water outlet; 18. a pressure spring; 19. an anti-overflow ball; 110. a second magnetic block; 111. a drainage opening; 112. a limiting port; 21. a fixed base; 22. a limiting groove; 23. a limiting through hole; 24. an annular buckle; 25. a card slot; 26. a limit strut; 27. a pressing block; 31. a limiting connecting block; 32. a first magnetic block; 33. a limiting bump; 34. a housing; 35. a slide bar; 41. a drill bit; 42. and (5) discharging a water pipe.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1, a drilling thruster for oil exploitation comprises a thruster body 1, wherein one end of the thruster body 1 is provided with a fixing component 2 for fixing the thruster body 1, and the fixing component 2 is matched with the thruster body 1 to realize the quick assembly and disassembly of the whole equipment; the inside of propeller body 1 is equipped with driving piece 11, and one side of driving piece 11 is equipped with the pole 4 that creeps into that is used for oil development, creeps into the one end fixedly connected with drill bit 41 that pole 4 kept away from driving piece 11, carries out breakage and exploitation to the ground bottom through drill bit 41.
Referring to fig. 2-3, the outer side of the drilling rod 4 is sleeved with the telescopic sheath 3, the telescopic sheath 3 is slidably mounted in the propeller body 1, the telescopic sheath 3 protects the drill bit 41 and the water outlet pipe 42, and prevents the drill bit 41 from being damaged by taking and carrying the propeller in the working process, the telescopic sheath 3 comprises a shell 34, the shell 34 is a cylinder with a large end and a small end, the edges of the shell are arc-shaped, when the telescopic sheath is used by a worker, the safety of the worker is protected, and the small end face is more convenient for the worker to use; a sliding rod 35 is fixedly connected to the outer wall of the shell 34, a limiting bump 33 is fixedly connected to one end of the sliding rod 35, a limiting connecting block 31 is fixedly connected to the other end of the sliding rod 35, one end of the sliding rod 35, which is connected with the limiting connecting block 31, extends into the propeller body 1, the telescopic sheath 3 can be normally used through the matching of the limiting connecting block 31 and the limiting bump 33, the telescopic sheath 3 is prevented from being retracted into the propeller body 1 and being difficult to pull out, the limiting connecting block 31 is matched with a limiting port 112 formed in the inner wall of the propeller body 1 for use, a first magnetic block 32 is fixedly connected to one end, which is far away from the sliding rod 35, of the limiting connecting block 31, a second magnetic block 110 is fixedly installed on the inner wall of the limiting port 112, the second magnetic block 110 is matched with the first magnetic block 32 for use, the telescopic sheath 3 is fixed in the propeller body 1, and after use, the telescopic sheath 3 is manually pulled out by an operator, the drill bit 41 is protected again; still be equipped with water tank 13 in the propeller body 1, seted up water filling port 14 on the water tank 13, and water tank 13 is cylindric, water tank 13 and propeller body 1 fixed connection, and connecting pipe 12 runs through in the middle part of water tank 13 and the one end of connecting pipe 12 link up water tank 13 and driving piece 11 fixed connection, the other end and the drilling rod 4 fixed connection of connecting pipe 12.
Referring to fig. 3, 6 and 7, the upper wall of the connecting pipe 12 is provided with a drainage port 111, the inner wall of the water tank 13 close to the connecting pipe 12 is provided with a water outlet 17, a pressure spring 18 is fixedly installed in the water outlet 17, the movable end of the pressure spring 18 is fixedly connected with an anti-overflow ball 19, the connecting pipe 12 is provided with an arc groove corresponding to the anti-overflow ball 19, after the driving member 11 starts to work, the connecting pipe 12 is driven to move, the anti-overflow ball 19 is ejected out of the arc groove through the telescopic motion of the connecting pipe 12, at this time, the anti-overflow ball 19 moves upwards, the spring stretches, water in the water outlet 17 flows into the water outlet pipe 42 through the drainage port 111, the water flows out along the water outlet pipe 42, the impact of drilling work on the ground bottom surface is buffered, the water outlet pipe 42 is fixedly installed in the drilling rod 4, one end of the water outlet pipe 42 extends out of the drilling rod 4, and the other end of the water outlet pipe 42 penetrates through the end face of the connecting pipe 12 and is fixedly connected with the connecting pipe 12.
Referring to fig. 2-5, the fixing assembly 2 includes a fixing base 21, a limiting groove 22 is formed on the fixing base 21, one end of the propeller body 1, which is far away from the telescopic sheath 3, is the same as the limiting groove 22 in shape and size, and can be better inserted into the fixing base 21, meanwhile, one end of the propeller body 1, which is far away from the telescopic sheath 3, is provided with a fixing hole 15, two limiting through holes 23 are also symmetrically formed in the side wall of the fixing base 21, after the propeller body 1 is inserted into the fixing base 21, the fixing hole 15 is matched with the limiting through holes 23 in position by rotating the propeller body 1, the pressing blocks 27 on the side walls on both sides of the limiting support rod 26 are extruded and penetrate to the other side, the limiting support rod 26 is fixed through the annular buckle 24, and the annular buckle 24 is provided with a clamping groove 25, so that the propeller body 1 can be conveniently disassembled and assembled.
The working principle is as follows:
the propeller body 1 is inserted into a limiting groove 22 formed in a fixed base 21, the insertion end of the propeller body 1 is matched with the shape and size of the limiting groove 22, the installation can be facilitated, a fixed hole 15 is formed in one end, away from a telescopic sheath 3, of the propeller body 1, two limiting through holes 23 are symmetrically formed in the side wall of the fixed base 21, after the propeller body 1 is inserted into the fixed base 21, the fixed hole 15 is matched with the limiting through holes 23 in position by rotating the propeller body 1, pressing blocks 27 on the side walls on the two sides of a limiting support rod 26 are extruded and penetrate to the other side, the limiting support rod 26 is fixed through an annular buckle 24, the annular buckle 24 is clamped between the pressing blocks 27 on the limiting support rod 26 and the fixed base 21, and the annular buckle 24 is an elastic piece and can be fixed skillfully and simply along with the operation of a worker;
the telescopic sheath 3 which is fixed on the outer side of the drilling rod 4 and is nested in the propeller body 1 is driven by the driving piece 11 to be telescopic into the propeller body 1, the shell 34 of the telescopic sheath 3 is a cylinder with a large end and a small end, the edge of the cylinder is arc-shaped, when the telescopic sheath is used by a worker, the safety of the worker is protected, the worker is prevented from being scratched, and the small end face is more convenient for the worker to use; a sliding rod 35 is fixedly connected to the outer wall of the shell 34, a limiting bump 33 is fixedly connected to one end of the sliding rod 35, a limiting connecting block 31 is fixedly connected to the other end of the sliding rod 35, one end of the sliding rod 35, which is connected with the limiting connecting block 31, extends into the propeller body 1, the telescopic sheath 3 can be normally used through the matching of the limiting connecting block 31 and the limiting bump 33, the telescopic sheath 3 is prevented from being retracted into the propeller body 1 and being difficult to pull out, the limiting connecting block 31 is matched with a driving piece 11 arranged on the inner wall of the propeller body 1 for use, a first magnetic block 32 is fixedly connected to one end of the limiting connecting block 31, which is far away from the sliding rod 35, a second magnetic block 110 is fixedly arranged on the inner wall of the limiting opening 112, the second magnetic block 110 is matched with the first magnetic block 32 for use, the telescopic sheath 3 is fixed in the propeller body 1, after the use, the telescopic sheath 3 is manually pulled out by an operator, the drill bit 41 is protected again;
connecting pipe 12 fixed with driving piece 11 drives and creeps into pole 4 and creeps into work, the outlet pipe 42 that sets up in creeping into pole 4 cooperates water tank 13, with the ejecting arc inslot of anti-overflow ball 19, at this moment, anti-overflow ball 19 moves up, the spring is flexible, water in the delivery port 17 flows into in outlet pipe 42 through drainage mouth 111, make water flow along outlet pipe 42, the impact of buffering work of driling to the ground bottom surface, fixed mounting has outlet pipe 42 in the pole 4 of creeping into, drilling pole 4 is stretched out to the one end of outlet pipe 42, the other end link up the terminal surface and the connecting pipe 12 fixed connection of connecting pipe 12.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A drilling propeller for oil exploitation comprises a propeller body (1) and is characterized in that one end of the propeller body (1) is provided with a fixing component (2) for fixing the propeller body (1);
a driving piece (11) is arranged in the propeller body (1), a drilling rod (4) for oil exploitation is arranged on one side of the driving piece (11), and a drill bit (41) is connected to one end, far away from the driving piece (11), of the drilling rod (4);
the outer side of the drilling rod (4) is sleeved with a telescopic sheath (3), the telescopic sheath (3) is slidably mounted in the propeller body (1), the telescopic sheath (3) comprises a shell (34), the outer wall of the shell (34) is fixedly connected with a slide rod (35), one end of the slide rod (35) is fixedly connected with a limiting lug (33), the other end of the slide rod (35) is fixedly connected with a limiting connecting block (31), and the limiting connecting block (31) is matched with a limiting opening (112) formed in the inner wall of the propeller body (1) for use;
one end of the limiting connecting block (31) far away from the sliding rod (35) is fixedly connected with a first magnetic block (32), a second magnetic block (110) is fixedly mounted on the inner wall of the limiting opening (112), and the second magnetic block (110) is matched with the first magnetic block (32) for use;
a water tank (13) is further arranged in the propeller body (1), a water filling port (14) is formed in the water tank (13), the water tank (13) is cylindrical, the connecting pipe (12) penetrates through the middle of the water tank (13), one end of the connecting pipe (12) penetrates through the water tank (13) and is fixedly connected with the driving piece (11), and the other end of the connecting pipe (12) is fixedly connected with the drilling rod (4);
the upper wall of the connecting pipe (12) is provided with a drainage port (111), the inner wall of the water tank (13) close to the connecting pipe (12) is provided with a water outlet (17), a pressure spring (18) is fixedly arranged in the water outlet (17), the movable end of the pressure spring (18) is fixedly connected with an anti-overflow ball (19), and the connecting pipe (12) is provided with an arc groove corresponding to the anti-overflow ball (19);
the fixing component (2) comprises a fixing base (21), a limiting groove (22) is formed in the fixing base (21), and one end, far away from the telescopic sheath (3), of the propeller body (1) is matched with the limiting groove (22);
two spacing through-holes (23) have been seted up to unable adjustment base's (21) lateral wall symmetry, swing joint has spacing branch (26) in spacing through-hole (23), all install on the lateral wall at the both sides at spacing branch (26) both ends and press according to briquetting (27), and spacing branch (26) are fixed with unable adjustment base (21) through annular buckle (24), draw-in groove (25) have been seted up at annular buckle (24) middle part, fixed orifices (15) have been seted up to the one end that flexible sheath (3) were kept away from in propeller body (1), fixed orifices (15) all correspond with the shape size of spacing through-hole (23).
2. The drilling thruster for oil exploitation as claimed in claim 1, wherein a water outlet pipe (42) is fixedly installed in the drilling rod (4), one end of the water outlet pipe (42) extends out of the drilling rod (4), and the other end of the water outlet pipe penetrates through the end surface of the connecting pipe (12) and is fixedly connected with the connecting pipe (12).
3. The drilling thruster for oil extraction as recited in claim 2, wherein the shape of the locking groove (25) is the same as the shape of the limit post (26).
4. A method of using a drilling thruster for oil extraction as defined in claim 3, comprising the steps of:
the method comprises the following steps: inserting the propeller body (1) into a limiting groove (22) formed in a fixed base (21), fixing the propeller body (1) and the fixed component (2) in a combined manner by using a limiting support rod (26) and an annular buckle (24), and starting a driving piece (11);
step two: the telescopic sheath (3) which is fixed on the outer side of the drilling rod (4) and is embedded in the propeller body (1) is driven by the driving piece (11) to stretch into the propeller body (1), is limited by the limiting convex block (33), and is fixed in the propeller body (1) by the matching of the first magnetic block (32) and the second magnetic block (110);
step three: the connecting pipe (12) fixed with the driving piece (11) drives the drilling rod (4) to perform drilling work, the water outlet pipe (42) arranged in the drilling rod (4) is matched with the water tank (13) to eject the anti-overflow ball (19) out of the arc groove, and water in the water tank (13) flows out of the water outlet (17) through the drainage port (111), so that the safe operation of drilling work is ensured.
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| CN202111497257.9A CN113914791B (en) | 2021-12-09 | 2021-12-09 | Drilling propeller for oil exploitation and use method thereof |
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| CN202111497257.9A CN113914791B (en) | 2021-12-09 | 2021-12-09 | Drilling propeller for oil exploitation and use method thereof |
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| CN113914791B true CN113914791B (en) | 2022-02-25 |
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| CN111594041A (en) * | 2020-04-22 | 2020-08-28 | 中铁大桥局集团第五工程有限公司 | Rapid hole forming construction method for large-diameter deep hole pile foundation under karst geology |
| CN111894452A (en) * | 2020-07-27 | 2020-11-06 | 中交路桥建设有限公司 | Combined drilling method for end-bearing pile of aeolian sand deep-covering tuff stratum |
| CN112855013A (en) * | 2021-04-19 | 2021-05-28 | 安百拓贸易有限公司 | Top hammer type pipe following drilling propeller and drilling equipment |
| CN113445917A (en) * | 2021-08-03 | 2021-09-28 | 淮南矿业(集团)有限责任公司 | Implementation method of large-diameter life-saving hole |
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