CN113846971B - Mechanical hydraulic drilling and hole-making integrated device and operation method - Google Patents
Mechanical hydraulic drilling and hole-making integrated device and operation method Download PDFInfo
- Publication number
- CN113846971B CN113846971B CN202111151832.XA CN202111151832A CN113846971B CN 113846971 B CN113846971 B CN 113846971B CN 202111151832 A CN202111151832 A CN 202111151832A CN 113846971 B CN113846971 B CN 113846971B
- Authority
- CN
- China
- Prior art keywords
- hole
- bit
- hole making
- making
- drilling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 62
- 230000009471 action Effects 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 230000036346 tooth eruption Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 20
- 230000035699 permeability Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000003578 releasing effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
Abstract
The invention relates to the technical field of coal seam gas control, in particular to a mechanical hydraulic drilling and hole-making integrated device and an operation method. The mechanical hole making technology adopted by the invention is not greatly influenced by the condition and parameters of the coal bed, the coal yield and the permeability and pressure increasing and relieving effects are relatively stable, and the invention has the advantages of long hole making depth, high hole making efficiency and the like.
Description
Technical Field
The invention relates to the technical field of coal seam gas control, in particular to a mechanical hydraulic drilling and hole-making integrated device and an operation method.
Background
For the coal seam with poor air permeability, the coal seam is difficult to be extracted, in order to improve the bedding drilling extraction efficiency and reduce the drilling construction work amount, the large-diameter hole making anti-reflection and pressure relief technology is started to be popularized and applied, and the coal seam can be divided into mechanical hole making and hydraulic hole making according to the hole making mode. The pressure relief and permeability increase principles are basically the same, and the potential energy accumulated by gas in the coal bed is released through forming holes, so that the air permeability of the coal bed is improved, and the purpose of permeability increase is realized. The hydraulic caving method is characterized in that holes are formed in the coal body in the drilled holes through high-pressure water jet impact, the caving effect is greatly influenced by factors such as occurrence of coal beds and hardness of the coal body, in general, the harder the coal body is, the smaller the coal yield is, and the poor the caving effect is.
Current hydraulic cavitation techniques and equipment have certain limitations. Firstly, the pit making construction process has long construction time and low pit making efficiency. The hydraulic hole making, permeability increasing and pressure releasing technology firstly carries out conventional drilling, then withdraws from the switching hole making device, takes the hole making interval of 8m and the single hole length of 1m as an example, and the hydraulic hole making single hole making time is about 40-50 min, thus being labor-consuming, low in efficiency and incapable of meeting the normal connection. Secondly, the acupoint creating device is difficult to meet the actual requirements, and the acupoint creating depth is insufficient. When the cavitation depth increases, the pressure lost by the initial water pressure along the way increases correspondingly, resulting in insufficient maximum cavitation depth and difficulty in meeting the long working surface requirements.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a mechanical hydraulic drilling and hole-making integrated device with long hole-making depth and high hole-making efficiency and an operation method.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the utility model provides a mechanical type water conservancy is beaten and is constructed cave integrated device, includes drilling rod, the cave device of making that one end is connected with the drilling rod and the drill bit that is connected with the other end of making the cave device, make cave device including cavity structure make cave main part, install rotatable reaming drill bit on making cave main part and set up jump ring, unit head, spring and push rod in making cave main part inside through the rotation axis.
The clamp spring is arranged in a clamping groove formed in the inner wall of the hole making main body, a step is arranged on the inner wall of the hole making main body, the step is positioned behind the reaming bit, the clamp spring is fixedly arranged behind the step, the power head can axially move in a cavity of the hole making main body between the step and the clamp spring, the front end of the power head is provided with a push rod, the spring is sleeved outside the power head and the push rod, the front end of the spring is propped against the step, and the rear end of the spring is connected with the power head; the section of push rod be the rectangle, the rear end of push rod install on the unit head, the rear end of push rod install the rubber body, initial position the time, the rear end of push rod support and lean on the rear end side of reamer bit.
The rear end of the power head is of a clamping groove structure which is convenient to connect with the clamp spring and enable internal water flow to pass through, the front end of the power head is provided with a plurality of water inlet holes, and the water inlet holes are uniformly distributed at the front end of the power head in a circumference manner.
The reamer bit is of a cutter arm structure, the front end of the reamer bit is of a conical rear end which is of a saw shape, the upper part of the rear end of the reamer bit is of an arc structure, the center of the arc coincides with the center of a rotary shaft hole on the reamer bit, two rows of alloy cutting teeth which are distributed vertically are arranged on the reamer bit, and the center line of each alloy cutting tooth is vertical to the advancing direction of the device.
A working method of a mechanical hydraulic drilling and hole making integrated device comprises the following steps:
step one: hole making by adopting 'backward', namely drilling to the designed depth by adopting low-pressure water;
step two: drilling with low-pressure water to a designed depth, and then backing to a designed position according to the design parameters of the hole making drilling;
step three: stopping pushing when the drill is retreated to the position where the hole is needed to be made, keeping the drilling tool rotating, and opening the reaming bit to make the hole;
step four: after the first hole making is completed, the reaming bit is retracted, the reaming bit is normally retracted to the next hole making position, and then the second hole making is carried out according to the third step, so that the cyclic operation is carried out;
step five: after the hole making is completed, the device is withdrawn, cleaned and maintained, and the next use is convenient.
And thirdly, rotating a power head, increasing the water pressure of the pump station until the reaming bit is completely opened, then maintaining the pressure, advancing the design length to make holes, recovering the water pressure after the hole making is completed for the first time in the fourth step, retracting the reaming bit, normally retracting the drilling bit to the position of the next hole making, switching the high pressure again, opening the reaming bit, and performing the hole making for the second time according to the third step, thereby performing the cyclic operation.
When the high-low pressure water switching mode is adopted for reaming and hole making, when the reaming bit is not opened in the drilling state, the internal water pressure P of the device is required to meet the following conditions:
P≤F 1 /S，P 1 ＝F 1 /S
wherein F is 1 The critical pressure for the spring to deform is S, which is the effective cross-sectional area of the end face of the power head, namely:
wherein D is 1 Is the diameter of the main body of the power head, d 1 For the diameter of the water inlet holes, n is the number of the water inlet holes, and the area of the clamping groove part is ignored;
in the hole making state, in order to form a hole with the largest diameter, namely, the reaming bit smoothly rotates for 90 degrees under the action of the pushing rod, the upper end surface of the pushing rod is tangential to a structural circle where the right upper round angle of the reaming bit is positioned. At this time, the axial movement stroke L of the push rod should be as follows:
wherein r is the radius of the right upper round angle of the reaming bit; h is the total width of the reaming bit;
according to the device structure, the push rod stroke L is the compression deformation of the spring, and the pressure F acting on the power head is required to satisfy the following conditions:
F＝k·L
wherein k is the elastic modulus of the spring, and the water pressure P in the device should satisfy:
in summary, when the device is normally drilled, the internal water pressure is smaller than P 1 The rotation speed is less than n 0 The method comprises the steps of carrying out a first treatment on the surface of the When reaming and making holes, the water pressure is increased from P 1 Gradually boost to P 2 Or the rotation speed is greater than n 0 The reaming bit is gradually opened,up to 90 degrees, fully open to the maximum cavitation diameter.
And thirdly, maintaining the water pressure of the pump station, increasing the torque of the drilling machine, expanding the reaming bit under the action of inertia force, and making holes.
When the hole is reamed and made in a mode of increasing the torque of the drilling machine, in a normal drilling state, the centripetal force F generated by rotation of the reaming bit 0 The following should be satisfied:
F 0 ＝mrω 2 ≤G
wherein m is the mass of the reaming bit, r is the maximum radius of the hole making device, G is the gravity of the reaming bit, ω is the angular speed of the drilling machine, ω=2pi·n is the output rotation speed of the drilling machine.
In an ideal state, the critical rotation speed n of the opening of the reamer bit is as follows:
and thirdly, increasing the water pressure of the pump station, increasing the torque of the drilling machine until the reaming bit is completely opened, then keeping the water pressure, and advancing the design length to make the hole.
The invention has the beneficial effects that:
the hydraulic drilling and mechanical hole making integrated device integrates hydraulic drilling and mechanical hole making, adopts low-pressure water in the conventional drilling process, plays roles of discharging powder, reducing dust and cooling a drill bit, continuously improves water pressure during mechanical hole making, gradually opens a reaming drill bit under the action of water pressure and torque of a drilling machine, cuts coal bodies to generate holes, and realizes the drilling and hole making integrated device through the conversion of a high pump pressure and a low pump pressure. The mechanical hole making process is not greatly influenced by the condition and parameters of the coal bed, has relatively stable coal yield and permeability increasing and pressure releasing effects, and has the advantages of long hole making depth, high hole making efficiency and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a diagram showing the construction of the present invention in a drilling state.
FIG. 3 is a diagram showing the construction of the present invention in a acupoints-making state.
Fig. 4 is a diagram of a power head structure.
Detailed Description
In the figure: the drilling rod 1, the hole making device 2, the drill bit 3, the hole making main body 21, the reaming drill bit 22, the clamp spring 23, the power head 24, the spring 25, the push rod 26, the rotating shaft 27, the alloy cutting teeth 28, the water inlet 241 and the rubber 261.
Referring to fig. 1, 2, 3 and 4, the mechanical hydraulic drilling and hole making integrated device comprises a drill rod 1, a hole making device 2 with one end connected with the drill rod 1, and a drill bit 3 connected with the other end of the hole making device 2, wherein the hole making device 2 comprises a hole making main body 21 with a cavity structure, a hole enlarging drill bit 22 rotatably arranged on the hole making main body 21 through a rotating shaft, a clamp spring 23 arranged in the hole making main body 21, a power head 24, a spring 25 and a push rod 26, wherein the clamp spring 23 is arranged in a clamping groove formed in the inner wall of the hole making main body 21, a step is arranged on the inner wall of the hole making main body 21 and is positioned behind the hole enlarging drill bit 22, the clamp spring 23 is fixedly arranged behind the step, the power head 24 can axially move and is arranged in a cavity of the hole making main body 21 between the step and the clamp spring 23, the push rod 26 is arranged at the front end of the power head 24, the spring 25 is sleeved outside the power head 24 and the push rod 26, the front end of the spring 25 abuts against the step, the rear end of the spring 25 is connected with the power head 24, the rectangular section 26 is arranged at the rear end of the push rod 26, the rear end of the spring 26 abuts against the rear end of the push rod 26, and the rear end of the spring 26 is in an initial state, and the spring end is in a natural state when the rear end is arranged at the rear end of the push rod 26, and is in a state, and when the rear end of the spring is in the body is in a state, and when the rear, is in a state, and in a state. The rear end of the power head 24 is a clamping groove structure which is convenient for being connected with the clamp spring 23 and for internal water to flow through, the front end of the power head 14 is provided with a plurality of water inlet holes 241, and the water inlet holes 241 are uniformly distributed at the front end of the power head 24 in circumference. The reamer bit 22 is in a cutter arm structure, the front end of the reamer bit 22 is in a conical rear end and is in a saw shape, the upper part of the rear end of the reamer bit 22 is in an arc structure, the center of the arc coincides with the center of a rotary shaft hole on the reamer bit 22, two rows of alloy cutting teeth 28 which are distributed vertically are arranged on the reamer bit 22, and the center line of each alloy cutting tooth 28 is vertical to the advancing direction of the device.
The operation method of the mechanical hydraulic drilling and hole-making integrated device is characterized in that a 'backward' hole-making device is adopted, namely, a low-pressure water drill rod is adopted for constructing and drilling to a designed depth, the backward drilling is carried out to a designed hole-making position, and then 'forward pushing' hole-making is carried out, wherein the specific operation flow is as follows:
step one: hole making by adopting 'backward', namely drilling to the designed depth by adopting low-pressure water;
step two: drilling with low-pressure water to a designed depth, and then backing to a designed position according to the design parameters of the hole making drilling;
step three: stopping pushing when the drill is retreated to the position where the hole is needed to be made, keeping the drilling tool rotating, and opening the reaming bit to make the hole;
step four: after the first hole making is completed, the reaming bit is retracted, the reaming bit is normally retracted to the next hole making position, and then the second hole making is carried out according to the third step, so that the cyclic operation is carried out;
step five: after the hole making is completed, the device is withdrawn, cleaned and maintained, and the next use is convenient.
And thirdly, rotating a power head, increasing the water pressure of a pump station until the reaming bit is completely opened, then maintaining the pressure, advancing the design length to make holes, recovering the water pressure after the hole making is completed in the fourth step, retracting the reaming bit, normally retracting the drilling bit to the position of the next hole making, switching the high pressure again, opening the reaming bit, and carrying out the hole making for the second time according to the third step, thereby carrying out the cyclic operation.
In this method, the power head 24 moves axially forward under the action of water pressure, the push rod 26 moves axially forward along with the power head 24, the spring 25 is compressed in this process, then the reamer bit 22 is pushed to rotate around the rotating shaft 27, the reamer bit is outwards, after one hole making is completed, the water pressure is restored, at this time, under the action of the elasticity of the spring 25, the power head 24 moves axially backward, the push rod 26 moves axially backward along with the power head 24 until the front end of the power head 24 abuts against the clamp spring 23, the power head 24 does not move any more, and in this process, the reamer bit is retracted.
When the high-low pressure water switching mode is adopted for reaming and hole making, when the reaming bit is not opened in the drilling state, the internal water pressure P of the device is required to be satisfied:
P≤F 1 /S，P 1 ＝F 1 /S
wherein F is 1 The critical pressure for the spring to deform is S, which is the effective cross-sectional area of the end face of the power head, namely:
wherein D is 1 Is the diameter of the main body of the power head, d 1 For the diameter of the water inlet holes, n is the number of the water inlet holes, and the area of the clamping groove part is ignored;
in the hole making state, in order to form a hole with the largest diameter, namely, the reaming bit smoothly rotates for 90 degrees under the action of the pushing rod, the upper end surface of the pushing rod is tangential to a structural circle where the right upper round angle of the reaming bit is positioned. At this time, the axial movement stroke L of the push rod should be as follows:
wherein r is the radius of the right upper round angle of the reaming bit; h is the total width of the reaming bit;
according to the device structure, the push rod stroke L is the compression deformation of the spring, and the pressure F acting on the power head is required to satisfy the following conditions:
F＝k·L
wherein k is the elastic modulus of the spring, and the water pressure P in the device should satisfy:
in summary, when the device is normally drilled, the internal water pressure is smaller than P 1 The rotation speed is less than n 0 The method comprises the steps of carrying out a first treatment on the surface of the When reaming and making holes, the water pressure is increased from P 1 Gradually boost to P 2 Or the rotation speed is greater than n 0 The reamer bit is gradually opened until 90 degrees, fully opened to the maximum hole diameter.
And thirdly, the hydraulic pressure of the pump station can be kept, the torque of the drilling machine is increased, and the reaming bit is unfolded under the action of inertia force to perform hole making.
When the hole is reamed and made in a mode of increasing the torque of the drilling machine, in a normal drilling state, the centripetal force F generated by rotation of the reaming bit 0 The following should be satisfied:
F 0 ＝mrω 2 ≤G
wherein m is the mass of the reaming bit, r is the maximum radius of the hole making device, G is the gravity of the reaming bit, ω is the angular speed of the drilling machine, ω=2pi·n is the output rotation speed of the drilling machine.
In an ideal state, the critical rotation speed n of the opening of the reamer bit is as follows:
meanwhile, the third step can adopt a method of increasing the water pressure of the pump station, increasing the torque of the drilling machine until the reaming bit is completely opened, then keeping the water pressure, and advancing the design length to make the hole.
The invention relates to a mechanical hydraulic drilling and hole making integrated device and an operation method, which integrate hydraulic drilling and mechanical hole making, adopt low-pressure water in the conventional drilling process, play roles of discharging powder, reducing dust and cooling a drill bit, continuously improve water pressure during mechanical hole making, gradually open a reaming drill bit under the action of water pressure and torque of a drilling machine, cut coal bodies to generate holes, and realize the drilling and hole making integrated through the conversion of a high pump pressure and a low pump pressure. The mechanical hole making process is not greatly influenced by the condition and parameters of the coal bed, has relatively stable coal yield and permeability increasing and pressure releasing effects, and has the advantages of long hole making depth, high hole making efficiency and the like.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A mechanical hydraulic drilling and hole-making integrated device operation method is characterized in that: the utility model provides a mechanical type water conservancy is beaten and is bored cave integrated device of making which characterized in that: the hole making device comprises a hole making main body with a cavity structure, a rotatable reaming drill bit arranged on the hole making main body through a rotating shaft, a clamp spring, a power head, a spring and a push rod, wherein the clamp spring, the power head, the spring and the push rod are arranged in the hole making main body; the section of the push rod is rectangular, the rear end of the push rod is arranged on the power head, the rear end of the push rod is provided with a rubber body, and the rear end of the push rod is propped against the side surface of the rear end of the reaming bit in the initial position;
comprises the following steps
Step one: hole making by adopting 'backward', namely drilling to the designed depth by adopting low-pressure water;
step two: drilling with low-pressure water to a designed depth, and then backing to a designed position according to the design parameters of the hole making drilling;
step three: stopping pushing when the drill is retreated to the position where the hole is needed to be made, keeping the drilling tool rotating, and opening the reaming bit to make the hole;
step four: after the first hole making is completed, the reaming bit is retracted, the reaming bit is normally retracted to the next hole making position, and then the second hole making is carried out according to the third step, so that the cyclic operation is carried out;
step five: after the hole making is completed, the device is withdrawn, and the device is cleaned and maintained, so that the next use is convenient;
step three, rotating a power head, increasing the water pressure of a pump station until a reaming bit is completely opened, then maintaining the pressure, and advancing the design length to make a hole;
after the hole making is completed for the first time, recovering the water pressure, retracting the reaming bit, normally retracting the reaming bit to the next hole making position, switching the high pressure again, opening the reaming bit, and performing the hole making for the second time according to the third step, thereby performing the cyclic operation; when the high-low pressure water switching mode is adopted for reaming and hole making, when the reaming bit is not opened in the drilling state, the internal water pressure P of the device is required to meet the following conditions:
P≤F 1 /S，P 1 ＝F 1 /S
wherein F is 1 The critical pressure for the spring to deform is S, which is the effective cross-sectional area of the end face of the power head, namely:
wherein D is 1 Is the diameter of the main body of the power head, d 1 For the diameter of the water inlet holes, n is the number of the water inlet holes, and the area of the clamping groove part is ignored;
in the hole making state, in order to form a hole with the maximum diameter, namely, the reamer bit smoothly rotates for 90 degrees under the action of the push rod, the upper end surface of the push rod is tangential to a structural circle where the right upper round angle of the reamer bit is located, and at the moment, the axial movement stroke L of the push rod is required to be satisfied:
wherein r is the radius of the right upper round angle of the reaming bit; h is the total width of the reaming bit;
according to the device structure, the push rod stroke L is the compression deformation of the spring, and the pressure F acting on the power head is required to satisfy the following conditions:
F＝k·L
wherein k is the elastic modulus of the spring, and the water pressure P in the device should satisfy:
in summary, when the device is normally drilled, the internal water pressure is smaller than P 1 The rotation speed is less than n 0 The method comprises the steps of carrying out a first treatment on the surface of the When reaming and making holes, the water pressure is increased from P 1 Gradually boost to P 2 Or the rotation speed is greater than n 0 Gradually opening the reaming bit until the reaming bit reaches 90 degrees, and completely opening the reaming bit to be the maximum hole-making diameter; step three, maintaining the water pressure of the pump station, increasing the torque of the drilling machine, expanding the reaming bit under the action of inertia force, and making holes; when the hole is reamed and made in a mode of increasing the torque of the drilling machine, in a normal drilling state, the centripetal force F generated by rotation of the reaming bit 0 The following should be satisfied:
F 0 ＝mrω 2 ≤G
wherein m is the mass of the reamer bit, r is the maximum radius of the hole making device, G is the gravity of the reamer bit, ω is the angular speed of the drilling machine, ω=2pi.n is the output rotating speed of the drilling machine,
in an ideal state, the critical rotation speed n of the opening of the reamer bit is as follows:
2. the method for operating the mechanical hydraulic drilling and hole making integrated device according to claim 1, wherein the method comprises the following steps: the rear end of the power head is of a clamping groove structure which is convenient to connect with the clamp spring and enable internal water flow to pass through, the front end of the power head is provided with a plurality of water inlet holes, and the water inlet holes are uniformly distributed at the front end of the power head in a circumference manner.
3. The method for operating the mechanical hydraulic drilling and hole making integrated device according to claim 1, wherein the method comprises the following steps: the reamer bit is of a cutter arm structure, the front end of the reamer bit is of a conical rear end which is of a saw shape, the upper part of the rear end of the reamer bit is of an arc structure, the center of the arc coincides with the center of a rotary shaft hole on the reamer bit, two rows of alloy cutting teeth which are distributed vertically are arranged on the reamer bit, and the center line of each alloy cutting tooth is vertical to the advancing direction of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111151832.XA CN113846971B (en) | 2021-09-29 | 2021-09-29 | Mechanical hydraulic drilling and hole-making integrated device and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111151832.XA CN113846971B (en) | 2021-09-29 | 2021-09-29 | Mechanical hydraulic drilling and hole-making integrated device and operation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113846971A CN113846971A (en) | 2021-12-28 |
| CN113846971B true CN113846971B (en) | 2024-03-29 |
Family
ID=78976985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111151832.XA Active CN113846971B (en) | 2021-09-29 | 2021-09-29 | Mechanical hydraulic drilling and hole-making integrated device and operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113846971B (en) |
Citations (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1072542A1 (en) * | 1982-03-23 | 1985-06-15 | Предприятие П/Я Р-6295 | Borehole expander |
| JPH11200750A (en) * | 1998-01-07 | 1999-07-27 | Hokuriku Engineering Kk | Excavation bit for winding hole and execution method using it |
| US6009961A (en) * | 1997-09-10 | 2000-01-04 | Pietrobelli; Fausto | Underreamer with turbulence cleaning mechanism |
| JP2000064759A (en) * | 1998-08-24 | 2000-02-29 | Nittoc Constr Co Ltd | Anchor method, ground improving method, and enlarged excavating equipment used therefor |
| US6595302B1 (en) * | 2001-08-17 | 2003-07-22 | Cdx Gas, Llc | Multi-blade underreamer |
| CN2653113Y (en) * | 2003-06-25 | 2004-11-03 | 胜利石油管理局钻井工艺研究院 | Hydraulic expansion type PDC hole expander |
| CN201554373U (en) * | 2009-10-16 | 2010-08-18 | 地质矿产廊坊聚力岩土工程科技开发公司 | Small-caliber dual-wing hole-expanding drill bit for well |
| CN202483446U (en) * | 2012-03-15 | 2012-10-10 | 淮南市志君钻探机具有限责任公司 | Drilling, reaming and centering combined bit |
| CN103061798A (en) * | 2012-12-30 | 2013-04-24 | 中北大学 | Method for extracting coal bed methane through down-hole bedding long borehole consecutive cave building |
| CN103084610A (en) * | 2011-11-03 | 2013-05-08 | 伍尔夫·赫尤里 | Pressure medium controlled counterbore tool with piston-cylinder unit |
| CN103334699A (en) * | 2013-06-24 | 2013-10-02 | 中煤科工集团西安研究院 | Coal mine underground coal bed drilling and cave-building device and method of use |
| CN203223175U (en) * | 2013-04-18 | 2013-10-02 | 宁波市镇海欣泰机械厂 | Concrete body opening bottom reamer |
| CN203847001U (en) * | 2014-01-27 | 2014-09-24 | 北方工业大学 | Small-bore hard rock broaching device |
| CN104278952A (en) * | 2014-03-14 | 2015-01-14 | 中国石油大学(华东) | Hydraulic-mechanical combined coal seam cave forming device and use method |
| CN105735900A (en) * | 2016-04-20 | 2016-07-06 | 广西建工集团第二安装建设有限公司 | Back-enlarging head for anchor hole chambering |
| CN105887880A (en) * | 2016-04-20 | 2016-08-24 | 广西建工集团第二安装建设有限公司 | Anchoring method for anchor stock |
| CN109630022A (en) * | 2019-02-19 | 2019-04-16 | 江苏汉威重工科技有限公司 | A kind of composite drill bit |
| CN109958437A (en) * | 2019-04-12 | 2019-07-02 | 淮南矿业(集团)有限责任公司 | A kind of ground drilling draws the coal uncovering method of hole pumping and mining under coal surge well |
| CN110566127A (en) * | 2019-10-12 | 2019-12-13 | 中国矿业大学 | Hole expanding drilling tool for drilling and hole expanding method thereof |
| CN111255381A (en) * | 2020-03-05 | 2020-06-09 | 中煤科工集团重庆研究院有限公司 | Comprehensive permeability increasing device for coal bed mechanical reaming and hydraulic slotting |
| CN211924073U (en) * | 2020-04-19 | 2020-11-13 | 王海瑞 | Shaft-pushing type high-pressure mechanical reaming water jet cutter |
| CN112343513A (en) * | 2020-11-05 | 2021-02-09 | 辽宁煤科矿业产品制造有限公司 | Mechanical and hydraulic integrated reaming bit for coal bed and reaming process |
| CN112832729A (en) * | 2020-12-31 | 2021-05-25 | 煤科集团沈阳研究院有限公司 | Hydraulic mechanical hole making device, using method and hole making process |
| CN213510447U (en) * | 2020-11-13 | 2021-06-22 | 河南龙腾新型钻具制造有限公司 | Deep hole expanding and cave-making device for coal mine |
| CN113107402A (en) * | 2021-05-18 | 2021-07-13 | 铁福来装备制造集团股份有限公司 | Double-channel variable-diameter cave-making device |
| CN113137181A (en) * | 2021-05-26 | 2021-07-20 | 河南能源化工集团研究总院有限公司 | Hydraulic reaming drilling tool and reaming method |
| CN113202416A (en) * | 2021-05-06 | 2021-08-03 | 中煤科工集团西安研究院有限公司 | Multi-channel double-piston mechanical-hydraulic composite hole making drilling tool and hole making method |
| CN113445921A (en) * | 2021-08-17 | 2021-09-28 | 河南龙腾新型钻具制造有限公司 | Compound hole enlargement cave-making device of deep hole in pit in colliery |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7730974B2 (en) * | 2005-10-11 | 2010-06-08 | Ronald George Minshull | Self actuating underreamer |
| US7757787B2 (en) * | 2006-01-18 | 2010-07-20 | Smith International, Inc. | Drilling and hole enlargement device |
| US8113301B2 (en) * | 2009-04-14 | 2012-02-14 | Tesco Corporation | Jetted underreamer assembly |
-
2021
- 2021-09-29 CN CN202111151832.XA patent/CN113846971B/en active Active
Patent Citations (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1072542A1 (en) * | 1982-03-23 | 1985-06-15 | Предприятие П/Я Р-6295 | Borehole expander |
| US6009961A (en) * | 1997-09-10 | 2000-01-04 | Pietrobelli; Fausto | Underreamer with turbulence cleaning mechanism |
| JPH11200750A (en) * | 1998-01-07 | 1999-07-27 | Hokuriku Engineering Kk | Excavation bit for winding hole and execution method using it |
| JP2000064759A (en) * | 1998-08-24 | 2000-02-29 | Nittoc Constr Co Ltd | Anchor method, ground improving method, and enlarged excavating equipment used therefor |
| US6595302B1 (en) * | 2001-08-17 | 2003-07-22 | Cdx Gas, Llc | Multi-blade underreamer |
| CN2653113Y (en) * | 2003-06-25 | 2004-11-03 | 胜利石油管理局钻井工艺研究院 | Hydraulic expansion type PDC hole expander |
| CN201554373U (en) * | 2009-10-16 | 2010-08-18 | 地质矿产廊坊聚力岩土工程科技开发公司 | Small-caliber dual-wing hole-expanding drill bit for well |
| CN103084610A (en) * | 2011-11-03 | 2013-05-08 | 伍尔夫·赫尤里 | Pressure medium controlled counterbore tool with piston-cylinder unit |
| CN202483446U (en) * | 2012-03-15 | 2012-10-10 | 淮南市志君钻探机具有限责任公司 | Drilling, reaming and centering combined bit |
| CN103061798A (en) * | 2012-12-30 | 2013-04-24 | 中北大学 | Method for extracting coal bed methane through down-hole bedding long borehole consecutive cave building |
| CN203223175U (en) * | 2013-04-18 | 2013-10-02 | 宁波市镇海欣泰机械厂 | Concrete body opening bottom reamer |
| CN103334699A (en) * | 2013-06-24 | 2013-10-02 | 中煤科工集团西安研究院 | Coal mine underground coal bed drilling and cave-building device and method of use |
| CN203847001U (en) * | 2014-01-27 | 2014-09-24 | 北方工业大学 | Small-bore hard rock broaching device |
| CN104278952A (en) * | 2014-03-14 | 2015-01-14 | 中国石油大学(华东) | Hydraulic-mechanical combined coal seam cave forming device and use method |
| CN105735900A (en) * | 2016-04-20 | 2016-07-06 | 广西建工集团第二安装建设有限公司 | Back-enlarging head for anchor hole chambering |
| CN105887880A (en) * | 2016-04-20 | 2016-08-24 | 广西建工集团第二安装建设有限公司 | Anchoring method for anchor stock |
| CN109630022A (en) * | 2019-02-19 | 2019-04-16 | 江苏汉威重工科技有限公司 | A kind of composite drill bit |
| CN109958437A (en) * | 2019-04-12 | 2019-07-02 | 淮南矿业(集团)有限责任公司 | A kind of ground drilling draws the coal uncovering method of hole pumping and mining under coal surge well |
| CN110566127A (en) * | 2019-10-12 | 2019-12-13 | 中国矿业大学 | Hole expanding drilling tool for drilling and hole expanding method thereof |
| CN111255381A (en) * | 2020-03-05 | 2020-06-09 | 中煤科工集团重庆研究院有限公司 | Comprehensive permeability increasing device for coal bed mechanical reaming and hydraulic slotting |
| CN211924073U (en) * | 2020-04-19 | 2020-11-13 | 王海瑞 | Shaft-pushing type high-pressure mechanical reaming water jet cutter |
| CN112343513A (en) * | 2020-11-05 | 2021-02-09 | 辽宁煤科矿业产品制造有限公司 | Mechanical and hydraulic integrated reaming bit for coal bed and reaming process |
| CN213510447U (en) * | 2020-11-13 | 2021-06-22 | 河南龙腾新型钻具制造有限公司 | Deep hole expanding and cave-making device for coal mine |
| CN112832729A (en) * | 2020-12-31 | 2021-05-25 | 煤科集团沈阳研究院有限公司 | Hydraulic mechanical hole making device, using method and hole making process |
| CN113202416A (en) * | 2021-05-06 | 2021-08-03 | 中煤科工集团西安研究院有限公司 | Multi-channel double-piston mechanical-hydraulic composite hole making drilling tool and hole making method |
| CN113107402A (en) * | 2021-05-18 | 2021-07-13 | 铁福来装备制造集团股份有限公司 | Double-channel variable-diameter cave-making device |
| CN113137181A (en) * | 2021-05-26 | 2021-07-20 | 河南能源化工集团研究总院有限公司 | Hydraulic reaming drilling tool and reaming method |
| CN113445921A (en) * | 2021-08-17 | 2021-09-28 | 河南龙腾新型钻具制造有限公司 | Compound hole enlargement cave-making device of deep hole in pit in colliery |
Non-Patent Citations (3)
| Title |
|---|
| 基于ADAMS的煤层气井机械造穴工具连接销动力特性研究;刘树林;张学红;刘吉成;蒋海涛;周俊然;;机械制造(第03期);第44-48页 * |
| 扩眼钻头及其钻具组合在杜邦1井的应用;朱邦海;;科技致富向导(第36期);全文 * |
| 新型自动变径扩孔钻具;辛新平, 郭凡进, 魏国营;矿业安全与环保;19980210(第01期);18-20+47页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113846971A (en) | 2021-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106988776B (en) | Soft and broken seam drilling guard aperture construction method | |
| CN103334699A (en) | Coal mine underground coal bed drilling and cave-building device and method of use | |
| CN112922531B (en) | Anti-backflow directional drill bit with back flushing function and construction method thereof | |
| CN106988773A (en) | Reduce the plant anchor pole method that suspension roof support slides unstability | |
| CN113846971B (en) | Mechanical hydraulic drilling and hole-making integrated device and operation method | |
| CN111219147A (en) | Petroleum drilling speed-up equipment | |
| CN112343513A (en) | Mechanical and hydraulic integrated reaming bit for coal bed and reaming process | |
| CN114033312A (en) | Hydraulic combined mechanical reaming and permeability increasing device and method | |
| CN213330913U (en) | Water jet internal slag-removing drill bit | |
| CN203321324U (en) | Underground coal mine seam drilling and cavitating device | |
| CN113137181A (en) | Hydraulic reaming drilling tool and reaming method | |
| CN111894477A (en) | Outburst coal seam hole protection and pressure relief combined drilling tool and using method thereof | |
| CN116025274A (en) | Anchor cable punching device and punching method thereof | |
| CN211201769U (en) | Down-the-hole hammer reverse circulation follow pipe drill bit suitable for large-diameter drilling | |
| CN112832798B (en) | Cutting disc of pipe jacking machine controlled by blocks | |
| CN211230270U (en) | Inner slag discharge type coal mine drill rod | |
| CN113027331A (en) | Efficient drilling system and method for breaking rock by downhole rotary percussion stepping combined unloading | |
| CN208749299U (en) | A kind of drill bit | |
| CN218862536U (en) | Built-in high-pressure water driven flexible cutter retracting device | |
| CN111691824A (en) | Mechanical floating wing deslagging, reaming and cave-making technology | |
| CN113006697A (en) | Mechanical hydraulic eccentric rotary positioning device | |
| CN208416467U (en) | A kind of more power preventing sticking auger stems | |
| CN111810052B (en) | Coal seam hydraulic reaming drilling tool and reaming process | |
| CN111395949A (en) | Efficient hole forming device and method for underground small-curvature comb-shaped hole | |
| CN220319611U (en) | Extraction device for improving gas extraction efficiency |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |