CN111561290B - Ordovician-ash-water-hole construction system for tancotta fracture zone associated steeply-inclined coal seam - Google Patents
Ordovician-ash-water-hole construction system for tancotta fracture zone associated steeply-inclined coal seam Download PDFInfo
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- CN111561290B CN111561290B CN202010553330.9A CN202010553330A CN111561290B CN 111561290 B CN111561290 B CN 111561290B CN 202010553330 A CN202010553330 A CN 202010553330A CN 111561290 B CN111561290 B CN 111561290B
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- 239000003245 coal Substances 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000005553 drilling Methods 0.000 claims abstract description 37
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 230000002265 prevention Effects 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 43
- 230000004913 activation Effects 0.000 claims description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 235000019738 Limestone Nutrition 0.000 abstract description 8
- 239000006028 limestone Substances 0.000 abstract description 8
- 239000010797 grey water Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 230000008569 process Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000003213 activating effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 206010027336 Menstruation delayed Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000005626 carbonium group Chemical group 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an Ordovician water and mercury hole construction system for an associated steeply inclined coal seam of a tancotta fracture zone, which comprises a sleeve arranged in a drill hole, wherein the drill hole is positioned at a hydrological observation point selected from the ground of a mine roadway; the first end of the sleeve protrudes out of the ground of the mine roadway, and a blocking structure is formed between the outer side of the sleeve and the inner wall of the drilled hole; the passive blowout prevention mechanism comprises a water pressure acquisition part, an encircling type flashboard assembly and two sets of driving assemblies, wherein the water pressure acquisition part is positioned between the first end of the sleeve and the encircling type flashboard assembly. The application provides an ao grey water Wen hole construction system of tancotta fracture zone associated steeply inclined coal seam, simple structure is reasonable, installation convenient to use. The method is suitable for drilling construction of underground hydrological holes, can prevent the blowout problem caused by water burst of the Ordovician limestone water, is high in safety, and is worthy of large-area popularization and use.
Description
Technical Field
The invention relates to the technical field of hydrological survey, in particular to an Olympic acid water hole construction system for an associated steeply inclined coal seam of an tancotta fracture zone.
Background
In the actual production and operation of coal mines, supplementary exploration in a mining area becomes an indispensable ring for coal mine geological work, and particularly, hydrologic long-term hole construction protection is more obvious for mines with complex geological conditions and special conditions.
The stratum sequences disclosed in the field range of some coal fields are Ordovician series, carbonium series, tandem series, chalky series and fourth series from old to new. The middle-period formation of the Ordovician is uplifted and degraded, is in pseudo-integral contact with the rock-chard formation, receives continuous deposition from the middle-chard formation, and is subjected to weathering degradation and is in non-integral contact with the overlying chalky formation at an angle from the late period of the diad. The Ordovician limestone in the well field has the maximum exposed thickness of 52.75m, the lithology is light gray thick-layer limestone, the quality is pure, the lithology is crisp, and honeycomb karst caves can be seen. The apparent resistivity is high and can reach 1000 omega. The apparent resistivity curve of the top boundary of the stratum is in a sawtooth shape. The full thickness can reach about 700 m.
Generally, the Ordovician limestone is a strong aquifer and is an indirect water-filling source for mining each coal seam, and huge hidden dangers of water inrush disasters of mines exist. Therefore, it is very important to observe hydrological indicators of the aquifer of the Ordovician limestone water.
Disclosure of Invention
The invention provides an Ordovician grey water pore construction system for an associated steeply inclined coal seam of a broken tancotta zone.
The invention provides the following scheme:
an Ordovich water hole construction system for an associated steeply inclined coal seam of a tancotta fracture zone, comprising:
the casing is arranged in a drill hole, and the drill hole is positioned at a hydrological observation point selected from the ground of a mine roadway; the first end of the sleeve protrudes out of the ground of the mine roadway, and a blocking structure is formed between the outer side of the sleeve and the inner wall of the drilled hole;
the passive blowout prevention mechanism comprises a water pressure acquisition part, an encircling type flashboard assembly and two groups of driving assemblies, wherein the water pressure acquisition part is positioned between the first end of the sleeve and the encircling type flashboard assembly; the encircling type flashboard assembly comprises a valve body and two flashboards which are oppositely arranged, and the two sets of driving assemblies are respectively connected with the water pressure collecting part through first pipelines; the driving assembly is used for driving the flashboard to approach to the middle after receiving the water pressure which is provided by the water pressure acquisition part and is greater than the preset pressure;
and the drilling mechanism comprises a drilling machine, a drill rod and a drilling tool, and the drill rod penetrates through the passive blowout prevention mechanism and extends to the inner side of the casing.
Preferably: the drive assembly comprises an actuator, a high pressure fluid reservoir, and a fluid activation mechanism; the actuating mechanism is connected with the flashboard, the high-pressure fluid storage tank is connected with the actuating mechanism through a second pipeline, and an activation valve is formed on the second pipeline; the fluid activation mechanism is respectively connected with the activation valve and the first pipeline; the fluid activation mechanism is used for switching the activation valve to a conduction state after receiving that the pressure of the pressure water provided by the water pressure acquisition part is greater than a preset pressure so that high-pressure fluid in the high-pressure fluid storage tank can enter the execution mechanism, and the execution mechanism is used for pushing the flashboard to approach to the middle until the flashboard is contacted with a drill rod after receiving the high-pressure fluid from the high-pressure fluid storage tank.
Preferably: the actuating mechanism comprises a first closed piston cylinder and a first piston which is matched with the first closed piston cylinder and is located in the first piston cylinder, the first end of the first piston cylinder is connected with the second pipeline, the flashboard is connected with a first push rod, and the first push rod penetrates through the second end of the first piston cylinder to be connected with the first piston.
Preferably: the fluid activation mechanism comprises a closed second piston cylinder and a second piston which is matched with the closed second piston cylinder and is positioned in the second piston cylinder, a first end of the second piston cylinder is connected with the first pipeline, the second piston is connected with a second push rod, the second push rod extends to the outside of the second piston cylinder through a second end of the second piston cylinder, a rod section of the second push rod, which is positioned on the outer side of the second piston cylinder, is provided with a tooth structure, the activation valve is connected with a valve rod, and the valve rod is fixedly connected with a gear; the second piston is used for carrying the second push rod to move horizontally after receiving the pressure of the pressure water provided by the water pressure acquisition part, so that teeth contained in the second push rod are meshed with the gear and drive the gear to rotate so as to drive the valve rod to rotate, and the activation valve is switched to a conduction state.
Preferably: the activation valve is a one-way valve.
Preferably: the high-pressure fluid storage tank is made of stainless steel and is used for storing any one of high-pressure nitrogen and high-pressure liquid fluid.
Preferably: and a plurality of groups of manual encircling type flashboard assemblies which are stacked up and down are formed on the upper part of the encircling type flashboard assembly.
Preferably: the drilling tool comprises a drill bit, a sensor and a transmitter, wherein the sensor is used for acquiring the natural gamma radioactivity of the stratum and the resistivity of the stratum.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
according to the invention, the Ordovician-ash-water-hole construction system of the tancotta fractured zone associated steep inclined coal seam can be realized, and in an implementation mode, the Ordovician-ash-water-hole construction system can comprise a sleeve arranged in a drill hole, wherein the drill hole is positioned at a selected hydrological observation point on the ground of a mine roadway; the first end of the sleeve protrudes out of the ground of the mine roadway, and a blocking structure is formed between the outer side of the sleeve and the inner wall of the drilled hole; the passive blowout prevention mechanism comprises a water pressure acquisition part, an encircling type flashboard assembly and two groups of driving assemblies, wherein the water pressure acquisition part is positioned between the first end of the sleeve and the encircling type flashboard assembly; the encircling type flashboard assembly comprises a valve body and two flashboards which are oppositely arranged, and the two sets of driving assemblies are respectively connected with the water pressure collecting part through first pipelines; the driving assembly is used for driving the flashboard to approach to the middle after receiving the water pressure which is provided by the water pressure acquisition part and is greater than the preset pressure; and the drilling mechanism comprises a drilling machine, a drill rod and a drilling tool, and the drill rod penetrates through the passive blowout prevention mechanism and extends to the inner side of the casing. The application provides an ao grey water Wen hole construction system of tancotta fracture zone associated steeply inclined coal seam, simple structure is reasonable, installation convenient to use. The method is suitable for drilling construction of underground hydrological holes, can prevent the blowout problem caused by water burst of the Ordovician limestone water, is high in safety, and is worthy of large-area popularization and use.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an aogrey water pore construction system of an associated steeply inclined coal seam of a tanh fracture zone according to an embodiment of the present invention;
fig. 2 is a schematic partial enlarged structure view of an aogrey water pore construction system of an associated steeply inclined coal seam of the tancotta fracture zone according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a passive blowout preventer mechanism according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fluid activation mechanism provided by an embodiment of the present invention.
In the figure: the system comprises a casing 1, a plugging structure 2, a passive blowout prevention mechanism 3, a water pressure collecting part 31, an encircling type gate plate assembly 32, a gate plate 321, a driving assembly 33, an actuating mechanism 331, a first piston cylinder 3311, a first piston 3312, a first push rod 3313, a high-pressure fluid storage tank 332, a fluid activating mechanism 333, a second piston cylinder 3331, a second piston 3332, a second push rod 3333, a tooth structure 3334, a first pipeline 34, a second pipeline 35, an activating valve 36, a valve rod 361, a gear 362, a drilling machine 41, a drilling rod 42, a drilling tool 43, a drilling bit 431, a sensor 432, a transmitter 433, a drilling hole 5 and a mine roadway 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Examples
Referring to fig. 1, 2, 3, and 4, an origami water and grey water hole construction system for an associated steeply inclined coal seam of an tancotta fracture zone according to an embodiment of the present invention is provided, as shown in fig. 1, 2, 3, and 4, the system includes a casing 1 disposed in a borehole 5, wherein the borehole 5 is located at a selected position of a hydrographic observation point on the ground of a mine roadway 6; the first end of the sleeve 1 protrudes out of the ground of a mine roadway, and a blocking structure 2 is formed between the outer side of the sleeve 1 and the inner wall of the drilled hole;
the passive blowout prevention mechanism 3 comprises a water pressure acquisition part 31, an encircling type gate plate assembly 32 and two groups of driving assemblies 33, wherein the water pressure acquisition part 31 is positioned between the first end of the casing 1 and the encircling type gate plate assembly 32; the encircling type gate plate assembly 32 comprises a valve body and two gate plates 321 which are oppositely arranged, and the two sets of driving assemblies 33 are respectively connected with the water pressure collecting part 31 through first pipelines 34; the driving component 33 is used for driving the gate plate 321 to move towards the middle after receiving the water pressure which is provided by the water pressure collecting part and is greater than the preset pressure;
a drilling mechanism comprising a drilling machine 41, a drill rod 42 and a drilling tool 43, the drill rod 42 extending through the passive blowout preventer 3 to the inside of the casing 1.
In the hydrological observation, a hydrological hole needs to be drilled in advance to form for realizing the hydrological observation. Because the water-bearing stratum of the Ordovician limestone water may have a water source with a larger pressure, the blowout phenomenon needs to be prevented during the construction process of the hydrological hole. The application provides a passive blowout prevention mechanism need not any electronic component, can be through the water pressure between sleeve pipe and the drilling rod increase back suddenly, and automatic control encircles formula flashboard subassembly and starts, makes valve plate and drilling rod in close contact with prevent the blowout phenomenon.
Specifically, the driving assembly includes an actuator 331, a high-pressure fluid reservoir 332, and a fluid activation mechanism 333; the actuator 331 is connected to the shutter 321, the high-pressure fluid tank 332 is connected to the actuator 331 through a second pipe 35, and an activation valve 36 is formed on the second pipe 35; said fluid activation means 333 being connected to said activation valve 36 and to said first conduit 34, respectively; the fluid activating mechanism 333 is configured to switch the activation valve 36 to a conducting state after receiving that the pressure of the pressurized water provided by the water pressure collecting portion 31 is greater than a preset pressure, so that the high-pressure fluid in the high-pressure fluid storage tank 332 enters the actuator 331, and the actuator 331 is configured to push the gate 321 to move closer to the middle until the gate is contacted with a drill rod after receiving the high-pressure fluid from the high-pressure fluid storage tank 332.
The actuator 331 includes a first closed piston cylinder 3311 and a first piston 3312 adapted to the first closed piston cylinder 3311 and located inside the first closed piston cylinder 3311, a first end of the first closed piston cylinder 3311 is connected to the second pipe 35, the gate plate 321 is connected to a first push rod 3313, and the first push rod 3313 passes through a second end of the first closed piston cylinder 3311 and is connected to the first closed piston cylinder 3312. The fluid activating mechanism 333 comprises a closed second piston cylinder 3331 and a second piston 3332 adapted to the closed second piston cylinder 3331 and located inside the second piston cylinder 3331, a first end of the second piston cylinder 3331 is connected to the first pipeline 34, a second push rod 3333 is connected to the second piston 3332, the second push rod 3333 extends to the outside of the second piston cylinder 3331 through a second end of the second piston cylinder 3331, a rod section of the second push rod 3333 located outside the second piston cylinder 3331 is formed with a tooth structure 3334, a valve stem 361 is connected to the activating valve 36, and a gear 362 is fixedly connected to the valve stem 361; the second piston is used for carrying the second push rod to move horizontally after receiving the pressure of the pressure water provided by the water pressure acquisition part, so that teeth contained in the second push rod are meshed with the gear and drive the gear to rotate so as to drive the valve rod to rotate, and the activation valve is switched to a conduction state. The activation valve is a one-way valve. The high-pressure fluid storage tank is made of stainless steel and is used for storing any one of high-pressure nitrogen and high-pressure liquid fluid.
In order to achieve a better blowout prevention effect, a plurality of groups of manual encircling type flashboard assemblies which are overlapped up and down are formed on the upper portion of the encircling type flashboard assembly. The manually embracing gate assembly may be a gate valve assembly as is commonly used in the art. To improve the detectability of the system, the drill 43 includes a drill bit 431, sensors 432 for acquiring the formation natural gamma radioactivity and formation resistivity, and transducers 433.
When the system is used, the position of a hydrological hole is determined through design measurement, accurate positioning is carried out, then a drilling machine is used for drilling holes by using a hole drilling bit, the sleeve is placed into the drilling hole after the holes are drilled in place, then a plugging structure is arranged between the sleeve and the drilling hole, the sleeve is ensured to be located at the hole opening of the drilling hole, water leakage cannot occur, a pressure test needs to be carried out in the process, and tight plugging is ensured. The drill rod with the drilling tool is lowered into the casing for drilling, once the water burst of the Ordovician water occurs in the drilling process, the pressure between the casing and the drill rod is suddenly increased, the water pressure acquisition part transmits the pressure to the fluid activation mechanism instantly, the pressure in a second piston cylinder of the fluid activation mechanism is increased, thereby promote second piston horizontal motion, the second piston drives second push rod horizontal motion, the tooth on its upper portion can with the gear engagement of valve rod and drive the gear rotation in the second push rod motion process, the gear can drive the valve rod rotatory, the valve rod is rotatory to make the activation valve switch on, the high-pressure fluid of storage can get into first piston cylinder in the activation valve switches on back high-pressure fluid storage tank, promote first piston level to middle motion, first piston can promote the flashboard through first push rod and draw close to the drilling rod, until with drilling rod in close contact with, carry out the separation with the gushing water between drilling rod and the sleeve pipe and prevent the blowout from appearing. The mechanism does not need any electronic component, and is particularly suitable for drilling a hydrological observation hole.
In a word, the Ordovician-ash-water pore construction system of the tancotta fracture zone associated steeply-inclined coal seam provided by the application has the advantages of simple and reasonable structure and convenience in installation and use. The method is suitable for drilling construction of underground hydrological holes, can prevent the blowout problem caused by water burst of the Ordovician limestone water, is high in safety, and is worthy of large-area popularization and use.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. An austempered coal seam Ordovich water pore construction system associated with a tancotta fracture zone, the system comprising:
the casing is arranged in a drill hole, and the drill hole is positioned at a hydrological observation point selected from the ground of a mine roadway; the first end of the sleeve protrudes out of the ground of the mine roadway, and a blocking structure is formed between the outer side of the sleeve and the inner wall of the drilled hole;
the passive blowout prevention mechanism comprises a water pressure acquisition part, an encircling type flashboard assembly and two groups of driving assemblies, wherein the water pressure acquisition part is positioned between the first end of the sleeve and the encircling type flashboard assembly; the encircling type flashboard assembly comprises a valve body and two flashboards which are oppositely arranged, and the two sets of driving assemblies are respectively connected with the water pressure collecting part through first pipelines; the driving assembly is used for driving the flashboard to approach to the middle after receiving the water pressure which is provided by the water pressure acquisition part and is greater than the preset pressure;
the drive assembly comprises an actuator, a high pressure fluid reservoir, and a fluid activation mechanism; the actuating mechanism is connected with the flashboard, the high-pressure fluid storage tank is connected with the actuating mechanism through a second pipeline, and an activation valve is formed on the second pipeline; the fluid activation mechanism is respectively connected with the activation valve and the first pipeline; the fluid activation mechanism is used for switching the activation valve to a conduction state after receiving that the pressure of the pressure water provided by the water pressure acquisition part is greater than a preset pressure so that high-pressure fluid in the high-pressure fluid storage tank enters the execution mechanism, and the execution mechanism is used for pushing the flashboard to approach to the middle until the flashboard is contacted with a drill rod after receiving the high-pressure fluid from the high-pressure fluid storage tank;
the actuating mechanism comprises a closed first piston cylinder and a first piston which is matched with the closed first piston cylinder and is positioned in the first piston cylinder, the first end of the first piston cylinder is connected with the second pipeline, the flashboard is connected with a first push rod, and the first push rod penetrates through the second end of the first piston cylinder to be connected with the first piston;
and the drilling mechanism comprises a drilling machine, a drill rod and a drilling tool, and the drill rod penetrates through the passive blowout prevention mechanism and extends to the inner side of the casing.
2. The system for constructing the Ordovich water hole of the tancotta fracture zone associated with the steep inclined coal seam according to claim 1, wherein the fluid activation mechanism comprises a closed second piston cylinder and a second piston adapted to the closed second piston cylinder and located inside the closed second piston cylinder, a first end of the closed second piston cylinder is connected with the first pipeline, the second piston is connected with a second push rod, the second push rod extends to the outside of the closed second piston cylinder through a second end of the closed second piston cylinder, a rod section of the closed second piston cylinder, located outside the closed second piston cylinder, is provided with a tooth structure, the activation valve is connected with a valve rod, and the valve rod is fixedly connected with a gear; the second piston is used for carrying the second push rod to move horizontally after receiving the pressure of the pressure water provided by the water pressure acquisition part, so that teeth contained in the second push rod are meshed with the gear and drive the gear to rotate so as to drive the valve rod to rotate, and the activation valve is switched to a conduction state.
3. The system for constructing the Ordovich water hole of the tancotta broken belt accompanying the steeply inclined coal seam according to claim 1, wherein the activation valve is a one-way valve.
4. The system for constructing the Ordovich water hole of the tancotta break zone associated with the steeply inclined coal seam according to claim 1, wherein the high-pressure fluid storage tank is made of stainless steel and is used for storing any one of high-pressure nitrogen and high-pressure liquid fluid.
5. The system for constructing the Ordovich water hole of the tancotta fracture belt accompanying the steeply inclined coal seam according to claim 1, wherein a plurality of groups of manual encircling gate plate assemblies which are overlapped up and down are formed at the upper part of the encircling gate plate assembly.
6. The system for origami water hole construction of the tancotta fractured zone associated with the steeply inclined coal seam according to claim 1, wherein the drilling tool comprises a drill bit, a sensor and a transmitter, and the sensor is used for acquiring natural gamma radioactivity and resistivity of the stratum.
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| CN202010553330.9A CN111561290B (en) | 2020-06-17 | 2020-06-17 | Ordovician-ash-water-hole construction system for tancotta fracture zone associated steeply-inclined coal seam |
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| CN202010553330.9A CN111561290B (en) | 2020-06-17 | 2020-06-17 | Ordovician-ash-water-hole construction system for tancotta fracture zone associated steeply-inclined coal seam |
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| CN100538066C (en) * | 2007-06-15 | 2009-09-09 | 杭州慧翔机电控制工程有限公司 | Electrohydraulic valve variable torque is joined the quantitative plunger piston hydraulic motor of oil type rotating cylinder cartridge type |
| US7748459B2 (en) * | 2007-09-18 | 2010-07-06 | Baker Hughes Incorporated | Annular pressure monitoring during hydraulic fracturing |
| CN102251754B (en) * | 2011-06-14 | 2015-05-27 | 刘庆梅 | Blowout control tubing head with non-well-killing valve replacement |
| CN103422833A (en) * | 2012-05-17 | 2013-12-04 | 解波 | Coal mine drilling blowout preventer |
| CN103912233B (en) * | 2014-03-17 | 2018-01-05 | 河南理工大学 | Underground is drilled automatic blowout-prevention method |
| CN110374540B (en) * | 2019-05-13 | 2024-04-05 | 铜陵有色金属集团铜冠矿山建设股份有限公司 | Mine advanced water detection orifice anti-bursting and anti-blowout combined water control device and water control process |
| CN111088993B (en) * | 2020-02-11 | 2020-12-08 | 山东科技大学 | Drilling-cutting-sealing-pressing drilling equipment and method for deep low-permeability high-gas coal seam |
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