CN104358561B - Aqueous coal petrography descending drilling gas pressure observation system - Google Patents
Aqueous coal petrography descending drilling gas pressure observation system Download PDFInfo
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- CN104358561B CN104358561B CN201410547086.XA CN201410547086A CN104358561B CN 104358561 B CN104358561 B CN 104358561B CN 201410547086 A CN201410547086 A CN 201410547086A CN 104358561 B CN104358561 B CN 104358561B
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- gas pressure
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- boring
- piston
- coal petrography
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- 239000003245 coal Substances 0.000 title claims abstract description 38
- 238000005553 drilling Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 28
- 239000003921 oil Substances 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000945 filler Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 238000004146 energy storage Methods 0.000 claims description 5
- 230000001413 cellular effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims 1
- 238000009530 blood pressure measurement Methods 0.000 abstract description 6
- 241000521257 Hydrops Species 0.000 abstract description 4
- 206010030113 Oedema Diseases 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 56
- 238000012360 testing method Methods 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 4
- 238000003556 assay Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 235000010044 Hernandia moerenhoutiana Nutrition 0.000 description 1
- 244000084296 Hernandia moerenhoutiana Species 0.000 description 1
- 241000372132 Hydrometridae Species 0.000 description 1
- 101100532451 Rattus norvegicus Slc22a17 gene Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- 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
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/26—Storing data down-hole, e.g. in a memory or on a record carrier
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geophysics (AREA)
- Earth Drilling (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention proposes a kind of aqueous coal petrography descending drilling gas pressure observation system, belongs to mine gas piezometry technical field.It specifically solves owing to hydrops cannot measure the problem of gas pressure in descending boring, and including water permeable device, plugging device and pressure tester, described water permeable device is arranged in described boring, for being discharged by the water in boring；Described plugging device is used for closing boring；Described pressure tester is used for measuring descending drilling gas pressure.The present invention can preferably overcome the water impact on gas pressure measurement in descending boring, is particularly suited for the mensuration to gas pressure in the descending boring of aqueous coal petrography.Owing to the present invention uses electronic installation, automatically gas pressure data can periodically be recorded, store and transmit, therefore can reduce the number of times of artificial data record.
Description
Technical field
The invention belongs to mine gas piezometry technical field, be specifically related to a kind of aqueous coal petrography gas pressure observation system.
Background technology
Gas pressure is an important parameter of mark coal-bed gas occurrence status.Gush at research mine coal and gas prominent, gas
Go out, gas drainage under suction time, it is a critical underlying parameter, therefore for the tax rule depositing and gush out of research coal-bed gas,
It is necessary to carry out the mensuration of coal-bed gas pressure.According to coal industry standard MT/T638-1996 " coal mine underground coal bed gas pressure
Direct Determination " regulation, pressure measurement drill site should be selected in the tunnel of adjacent coal seam, is generally selected in the ordinary course of things and coal
Layer level or less than the tunnel in coal seam as the deployment site of drill site, the boring so constructed out is level or up
Boring, thus efficiently solve the problem owing to coal seam includes hydric factor and work progress causes boring internal water accumulation to affect piezo-effect.
But, in the case of stratigraphic structure form and roadway layout do not allow construction level boring and up boring, it is necessary to adopt
Use descending boring, and traditional method not can effectively solve the problem that the problem of hydrops in descending boring.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the present invention proposes a kind of aqueous coal petrography descending drilling gas pressure and sees
Examining system, this system mainly solves the impact that gas pressure is measured by conventional downstream boring internal water accumulation；Additionally, due to this observation
System have employed electronic installation, automatically gas pressure data can periodically be recorded, stores and be transmitted, decrease people
Number is according to the number of times of record.
Its technical solution includes:
A kind of aqueous coal petrography descending drilling gas pressure observation system, including water permeable device, plugging device and pressure tester, described
Water permeable device is arranged in described boring, for being discharged by the water in boring；Described plugging device is used for closing boring；Described survey
Pressure device is used for measuring descending drilling gas pressure；
Described water permeable device includes cylindrical cavity, the piston set of porous, air duct, oil pipeline and drainage pipeline, institute
State piston set and be positioned at cylindrical empty intracavity, piston set be provided above permeable hole, both sides are respectively arranged with and are equipped with the vertical of spring
Post, described air duct, oil pipeline and drainage pipeline all stretch out coal petrography in water permeable device, and successively with high pressure gas holder,
Oil pressure tank is connected with drain motor；
Described plugging device includes the closed chamber formed by baffle plate, No. two closed chambers with boring, and a described closed chamber is with solid
Formed material conveyance conduit is connected, and described curing materials conveyance conduit is for the solidification filler of filling in a closed chamber；Described
No. two closed chambers are connected with liquid-transport pipe-line, and described liquid-transport pipe-line is for fill liquid filler in No. two closed chambers；
Described pressure tester includes detection pipe, Pressure gauge and electronic installation, and described detection pipe connects Pressure gauge and electronic installation,
Detection pipe bottom is provided with cellular aperture, is installed with cylindrical baffle bottom it, and described electronic installation can connect computer and obtain
The gas pressure data monitored, and it is analyzed.
As a preferred version of the present invention, the piston set of above-mentioned porous is made up of several pistons, each adjacent work
Connected by column between plug, between adjacent piston, leave space.
As another preferred version of the present invention, above-mentioned permeable hole is rectangle, and the big I closure of above-mentioned piston set is above-mentioned
Water hole.
Preferably, the column being positioned at piston set both sides is asymmetric setting, by oil pipeline conveying high-pressure oil in above-mentioned piston set,
Above-mentioned piston set is removable under the effect of hydraulic oil, when a heel post contacts cylindrical empty cavity wall just, piston space with
Permeable hole keeps communicating completely；When, after the hydraulic oil pressure release in piston set, piston shifts to one under the column effect being equipped with spring
End, when the column of the other end contacts cylindrical empty cavity wall just, piston completely encloses above-mentioned permeable hole just.
Preferably, drainage pipeline stretches into the end of water permeable device and is provided with the spherical water leakage that may filter that impurity.
Preferably, an above-mentioned closed chamber is provided with two, and No. two closed chambers are provided with one.
Preferably, above-mentioned No. two closed chambers are connected with fluent material pressurized tank by liquid-transport pipe-line, and above-mentioned liquid-transport pipe-line is additionally provided with
Unidirectional stop valve and energy storage tank, above-mentioned unidirectional stop valve is used for preventing liquid-filled material from flowing back in fluent material pressurized tank, on
State energy storage tank for keeping the pressure of liquid-filled material to be consistently higher than gas pressure.
The present invention proposes a kind of aqueous coal petrography descending drilling gas pressure observation system, and it mainly includes water permeable device, closure dress
Put and pressure tester, compared with prior art, water permeable device is installed in the borehole, for the water in boring is discharged；Closure
Device is used for closing boring, and the present invention is under the water permeable device combination with plugging device, and then selects pressure tester to carry out gas pressure
Power measures, and the hydrops in descending boring can thoroughly be discharged by this observation system, is entered by equal pressure condition or pressure differential condition respectively
Row draining, observation system of the present invention can preferably overcome the water impact on gas pressure measurement in conventional downstream boring, the suitableeest
Mensuration to gas pressure in the descending boring of aqueous coal petrography.
Observation system of the present invention is in being not turned on boring or loss hole in the case of gas pressure, it is possible to get rid of descending boring in time
In hydrops, to reduce the impact on gas pressure measurement of the hole internal water accumulation, it is ensured that the continuously accurate of gas pressure measures.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the present invention is done the clearest, complete explanation:
Fig. 1 is the structural representation of the aqueous coal petrography of the present invention descending drilling gas pressure observation system；
Fig. 2 is water permeable device profile in aqueous coal petrography descending drilling gas pressure observation system；
Fig. 3 is plugging device profile in aqueous coal petrography descending drilling gas pressure observation system；
Fig. 4 is the top view of Fig. 2；
Fig. 5 is determinator profile in aqueous coal petrography descending drilling gas pressure observation system；
In figure, 1, boring, 2, closed chamber, 3, No. two closed chambers, 4, water permeable device, 5, permeable hole, 6, piston,
7, liquid-transport pipe-line, 8, curing materials conveyance conduit, 9, drainage pipeline, 10, oil pipeline, 11, air duct, 12, inspection
Test tube, 13, fluent material pressurized tank, 14, unidirectional stop valve, 15, accumulator, 16, curing materials pressurized tank, 17, electricity
Sub-device, 18, Pressure gauge, 19, drain motor, 20, high pressure gas holder, 21, oil pressure tank, 22, water valve.
Detailed description of the invention
The present invention proposes a kind of aqueous coal petrography descending drilling gas pressure observation system, in order to make advantages of the present invention, technical side
Case is clearer, clear and definite, below in conjunction with specific embodiment, the present invention does the clearest, complete explanation.
The present invention, a kind of aqueous coal petrography descending drilling gas pressure observation system, in conjunction with shown in Fig. 1 to Fig. 5, it includes permeable
Device 4, plugging device and pressure tester.
Water permeable device 4 the most as shown in Figure 2, its comprise cylindrical cavity, piston 6, be equipped with the column of spring, permeable hole 5,
Air duct 11, oil pipeline 10 and drainage pipeline 9, air duct 11, oil pipeline 10 and drainage pipeline 9 are all from permeable
Stretch out outside coal petrography in device, and be connected with high pressure gas holder 20, oil pressure tank 21 and drain motor 19 successively；
Piston 6 therein connects into piston set by piston boit, there is space, in order to permeable, at the beginning of being between piston and piston
The piston 6 of beginning state can close permeable hole 5 just, is connected with two columns being equipped with spring respectively in the piston set left and right sides,
Column is asymmetric and is cased with spring on column, and the column of both sides is asymmetric shape along the center of piston set, when piston 6 is at high pressure
Moving under the effect of oil, when one end column contacts cylindrical cavity inwall just, piston hole communicates completely with permeable hole 5.High
After force feed pressure release, piston shifts to the other end under the action of the spring, when other end column contacts cylindrical cavity inwall just, and piston
6 the most completely enclosed permeable holes 5.
Permeable hole 5 be shaped as rectangle, air duct 11 refers to shown in Fig. 2, Fig. 4, and its position is at permeable hole 5 center deviation
A left side, is connected with high pressure gas holder 20 outside it；Oil pipeline 10 refers to shown in Fig. 2, Fig. 4, and its position is in permeable hole 5
Side, is connected with oil pressure tank 21 outside it in the heart；Drainage pipeline 9, its position is to the left at the center of permeable hole 5, its outside and water
Valve 22 and drain motor 19 are connected, and during draining, for preventing the foreign matter blocking drain pipies such as impurity, drain pipe bottom devises
One ball-type water leakage, plays impurity screening, and draining acts on smoothly.
Above-mentioned plugging device, the most as shown in Figure 3, it is to be formed two closed chambers 2 and by 4 pieces of circular baffle plate with boring
Individual No. two closed chambers 3, except this, also include curing materials conveyance conduit 8 and liquid-transport pipe-line 7, and a closed chamber 2 is by solidification material
Material conveying tube road 8 is connected with curing materials pressurized tank 16, its internal filling solidification filler；No. two closed chambers 3 are by transfusion
Pipeline 7 is connected with fluent material pressurized tank 13, its internal fill liquid filler.
Above-mentioned pressure tester refers to shown in Fig. 1, Fig. 5, is made up of parts such as detection pipe 12, Pressure gauge 18 and electronic installations 17,
Detection pipe 12 connects Pressure gauge 18 and electronic installation, and detection its pipeline bottom of pipe 12 is cellular aperture, the fixing circle of BOP
Cylindrical shield, cellular aperture filters impurity, in case impurity jam detection pipe, it is ensured that gas air-flow enters Pressure gauge 18 He smoothly
Electronic installation 17；Cylindrical baffle Design of length is higher, in case the infiltration that accumulation is in the borehole will detect blockage, affects gas
Monitoring.
Above-mentioned electronic installation, the most as shown in Figure 1, including power supply, data storage circuitry, display circuit, clock circuit, switch
Button and the computer etc. of connection.Wherein, power supply is responsible for electronic circuitry；Clock circuit is responsible for periodically to gas pressure
Force detection system sends pulse signal, makes gas pressure monitoring system periodically detect gas pressure；The gas pressure of detection gained
Force data is stored respectively by data storage circuitry and display circuit and is shown；External computer connects electricity by connecting circuit
After sub-device, gas pressure data can be obtained, and it is analyzed.
The assay method of coal petrography aqueous to the present invention descending drilling gas pressure observation system elaborates below.
Embodiment 1:
The present invention, the assay method of aqueous coal petrography descending drilling gas pressure observation system, specifically include following steps:
(1) drilling: lay capable boring 1 in coal petrography tunnel to coal seam with conventional colliery punch device, hole depth is to through coal
Layer certain distance；
(2) peace water permeable device: the foreign material in cleaning boring, installs water permeable device 4 in the borehole, utilizes filler by permeable
Hole between device 4 and boring 1 carries out filling, does pressure test, if testing unsuccessful, then from newly after solidification certain time
Water permeable device 4 is installed；
(3) close boring: after pressure test success, baffle plate is installed associated conduit, utilize baffle plate to form 2 No. one sealing
No. two closed chambers 3 in 2 and 1, room, will solidify filling material first with curing materials pressurized tank 16 by curing materials conveying pipe 8
Material is fills up to 2 closed chambers 2, solidification；Then utilize fluent material pressurized tank 13 by tube for transfusion 10 by liquid-filled
No. two closed chambers 3 of material filling, wherein, in No. two closed chambers 3, fluid pressure wants a little higher than methane gas pressure, unidirectional cutoff
Valve 14 can prevent liquid-filled material from flowing backwards, and energy storage tank 15 can keep the pressure of liquid-filled material to be consistently higher than gas pressure；
(4) pressure test: after sealing of hole, does pressure test and tests sealing of hole effect, if sealing of hole is defective, then needs weight
New sealing of hole；
(5) boring draining: after pressure test success, associated pipe connected with corresponding device, open oil pressure tank 21, will
Hydraulic oil passes through oil pipeline 10, is delivered in the piston cavity of water permeable device 4, and hydraulic oil promotes piston 6 to move, by permeable
Device 4 turns on, and water flow to device bottom by permeable hole 5, and this kind of drainage pattern is that water permeable device about 4 boring cavity is waiting
Draining is carried out under pressure condition；
(6) gas pressure is measured: after draining, carry out gas pressure measurement, i.e. gas management pipe 12 and Pressure gauge 18 phase
Even, the numerical value of gas pressure in Pressure gauge 18 reading display sealing of hole, gas pressure numerical value periodically records by electronics 17,
Storage, transmission.
Embodiment 2:
Difference from Example 1 is: the boring drainage pattern in step (5) is different, and another kind of drainage pattern is pressure differential
Under the conditions of carry out draining, i.e. carry out a little pressure release first with air duct 11, make upper and lower cavity formed pressure differential, then utilize pressure
Power difference carries out permeable, permeable after, by oil pipeline 10 pressure release, piston 6 moves under the pressure of the spring, and permeable hole is lived
Plug is closed, and makes water permeable device 4 be in sealing state；If the water yield is less, then water is sealed up for safekeeping for 4 times at water permeable device, if water
Measure more, then utilize high pressure gas holder 20 to be pressed into by gases at high pressure by snorkel 11, water can be discharged by drainage pipeline 9
Or pulled water out by drain motor 19.
Above-mentioned, if boring occurs that coal petrography seeps water during pressure measurement, affect the mensuration of gas pressure, also can arrange in aforementioned manners
Water, carries out the mensuration of gas pressure again after draining.
The part do not addressed in the present invention uses or uses for reference prior art and can realize.
Although the most more employs the terms such as such as closed chamber 2, permeable hole 5, a high pressure gas holder 20, but does not arrange
Except using the probability of other term, use these terms to be only used to more easily to describe and explain the essence of the present invention；?
They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (6)
1. an aqueous coal petrography descending drilling gas pressure observation system, it is characterised in that: include water permeable device, plugging device and
Pressure tester, described water permeable device is arranged in described boring, for being discharged by the water in boring；Described plugging device is used for sealing
Close boring；Described pressure tester is used for measuring descending drilling gas pressure；
Described water permeable device includes cylindrical cavity, the piston set of porous, air duct, oil pipeline and drainage pipeline, institute
State piston set and be positioned at cylindrical empty intracavity, piston set be provided above permeable hole, both sides are respectively arranged with and are equipped with the vertical of spring
Post, described air duct, oil pipeline and drainage pipeline all stretch out coal petrography in water permeable device, and successively with high pressure gas holder,
Oil pressure tank is connected with drain motor；
Described plugging device includes the closed chamber formed by baffle plate, No. two closed chambers with boring, and a described closed chamber is with solid
Formed material conveyance conduit is connected, and described curing materials conveyance conduit is for the solidification filler of filling in a closed chamber；Described
No. two closed chambers are connected with liquid-transport pipe-line, and described liquid-transport pipe-line is for fill liquid filler in No. two closed chambers；
Described pressure tester includes detection pipe, Pressure gauge and electronic installation, and described detection pipe connects Pressure gauge and electronic installation,
Detection pipe bottom is provided with cellular aperture, is installed with cylindrical baffle bottom it, and described electronic installation can connect computer and obtain
The gas pressure data monitored, and it is analyzed；
The column of the piston set both sides being positioned at porous is asymmetric setting, defeated by oil pipeline in the piston set of described porous
Sending hydraulic oil, the piston set of described porous is removable, when a heel post contacts cylindrical cavity just under the effect of hydraulic oil
During inwall, piston space keeps communicating completely with permeable hole；When, after the hydraulic oil pressure release in the piston set of porous, piston is at set
Being equipped with under the column effect of spring and shift to one end, when the column of the other end contacts cylindrical empty cavity wall just, piston is the completeest
Totally-enclosed described permeable hole.
Aqueous coal petrography the most according to claim 1 descending drilling gas pressure observation system, it is characterised in that: described can be saturating
The piston set of water is made up of several pistons, is connected by column, leave between adjacent piston between each adjacent piston
Space.
Aqueous coal petrography the most according to claim 2 descending drilling gas pressure observation system, it is characterised in that: described permeable
Hole is rectangle, and the big I of described piston set blocks described permeable hole.
Aqueous coal petrography the most according to claim 1 descending drilling gas pressure observation system, it is characterised in that: drainage pipeline
The end stretching into water permeable device is provided with the spherical water leakage that may filter that impurity.
Aqueous coal petrography the most according to claim 1 descending drilling gas pressure observation system, it is characterised in that: described No. one
Closed chamber is provided with two, and No. two closed chambers are provided with one.
Aqueous coal petrography the most according to claim 1 descending drilling gas pressure observation system, it is characterised in that: described No. two
Closed chamber is connected with fluent material pressurized tank by liquid-transport pipe-line, and described liquid-transport pipe-line is additionally provided with unidirectional stop valve and energy storage tank,
Described unidirectional stop valve is used for preventing liquid-filled material from flowing back in fluent material pressurized tank, and described energy storage tank is used for keeping liquid
The pressure of filler is consistently higher than gas pressure.
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| CN201410547086.XA CN104358561B (en) | 2014-10-16 | 2014-10-16 | Aqueous coal petrography descending drilling gas pressure observation system |
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| CN201410547086.XA CN104358561B (en) | 2014-10-16 | 2014-10-16 | Aqueous coal petrography descending drilling gas pressure observation system |
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| CN104358561B true CN104358561B (en) | 2016-10-12 |
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| CN105626144B (en) * | 2016-03-07 | 2017-08-22 | 安徽理工大学 | To coal-bed gas pressure measuring drill hole self-draining arrangement under one kind |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1456602A1 (en) * | 1987-06-02 | 1989-02-07 | Институт горного дела им.А.А.Скочинского | Method of determining initial gas pressure in gas-saturated coal-rock body |
| GB9309250D0 (en) * | 1993-05-05 | 1993-06-16 | Ball Stanley | Mine polution control unit |
| CN101575969A (en) * | 2009-06-16 | 2009-11-11 | 山东科技大学 | Method for measuring pressure of coalbed gas |
| CN201433788Y (en) * | 2009-06-26 | 2010-03-31 | 中国矿业大学 | Descending hole coal-bed gas pressure detection water pressure eliminator |
| CN102003173A (en) * | 2010-10-29 | 2011-04-06 | 北京中矿天安科技发展有限公司 | System and method for automatically measuring and recording gas pressure during coal seam hole sealing |
| CN202081908U (en) * | 2011-06-01 | 2011-12-21 | 焦作煤业（集团）白云煤业有限公司 | Hole sealing device for water gushing and gas drainage drilled hole |
| CN102606208A (en) * | 2011-01-20 | 2012-07-25 | 淮南矿业(集团)有限责任公司 | Automatic drainage process of downward through beds hole |
| CN202900257U (en) * | 2012-10-23 | 2013-04-24 | 蔡长辉 | Drainage pressure measuring device for measuring depression angle coal bed gas pressure |
| CN103075149A (en) * | 2013-02-19 | 2013-05-01 | 中国矿业大学 | Method and device for quickly determining gas pressure of coal bed in downward superdeep borehole |
| CN203145996U (en) * | 2013-02-28 | 2013-08-21 | 山西潞安环保能源开发股份有限公司 | Downward wet hole drainage |
| CN204200216U (en) * | 2014-10-16 | 2015-03-11 | 山东科技大学 | Moisture coal petrography descending drilling gas pressure observation system |
-
2014
- 2014-10-16 CN CN201410547086.XA patent/CN104358561B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1456602A1 (en) * | 1987-06-02 | 1989-02-07 | Институт горного дела им.А.А.Скочинского | Method of determining initial gas pressure in gas-saturated coal-rock body |
| GB9309250D0 (en) * | 1993-05-05 | 1993-06-16 | Ball Stanley | Mine polution control unit |
| CN101575969A (en) * | 2009-06-16 | 2009-11-11 | 山东科技大学 | Method for measuring pressure of coalbed gas |
| CN201433788Y (en) * | 2009-06-26 | 2010-03-31 | 中国矿业大学 | Descending hole coal-bed gas pressure detection water pressure eliminator |
| CN102003173A (en) * | 2010-10-29 | 2011-04-06 | 北京中矿天安科技发展有限公司 | System and method for automatically measuring and recording gas pressure during coal seam hole sealing |
| CN102606208A (en) * | 2011-01-20 | 2012-07-25 | 淮南矿业(集团)有限责任公司 | Automatic drainage process of downward through beds hole |
| CN202081908U (en) * | 2011-06-01 | 2011-12-21 | 焦作煤业（集团）白云煤业有限公司 | Hole sealing device for water gushing and gas drainage drilled hole |
| CN202900257U (en) * | 2012-10-23 | 2013-04-24 | 蔡长辉 | Drainage pressure measuring device for measuring depression angle coal bed gas pressure |
| CN103075149A (en) * | 2013-02-19 | 2013-05-01 | 中国矿业大学 | Method and device for quickly determining gas pressure of coal bed in downward superdeep borehole |
| CN203145996U (en) * | 2013-02-28 | 2013-08-21 | 山西潞安环保能源开发股份有限公司 | Downward wet hole drainage |
| CN204200216U (en) * | 2014-10-16 | 2015-03-11 | 山东科技大学 | Moisture coal petrography descending drilling gas pressure observation system |
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