CN106761572A - A kind of Multi-functional analog boring test platform and its application method - Google Patents
A kind of Multi-functional analog boring test platform and its application method Download PDFInfo
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- CN106761572A CN106761572A CN201611059178.9A CN201611059178A CN106761572A CN 106761572 A CN106761572 A CN 106761572A CN 201611059178 A CN201611059178 A CN 201611059178A CN 106761572 A CN106761572 A CN 106761572A
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004088 simulation Methods 0.000 claims description 51
- 239000003245 coal Substances 0.000 claims description 40
- 238000005553 drilling Methods 0.000 claims description 38
- 238000002474 experimental method Methods 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 28
- 238000005086 pumping Methods 0.000 claims description 15
- 239000003566 sealing material Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000035699 permeability Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims description 2
- 230000001568 sexual effect Effects 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 239000004047 hole gas Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/006—Production of coal-bed methane
-
- 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
- E21B47/005—Monitoring or checking of cementation quality or level
-
- 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
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Quality & Reliability (AREA)
- Geophysics (AREA)
- Earth Drilling (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of Multi-functional analog boring test platform, including casing, support and the support base for supporting box, the front end and top of the casing are opened wide, the leading inside of casing is provided with the dodge gate that can lift, pressure-bearing cover plate is installed above casing, the bottom of the casing front end is provided with the adjusting screw rod for adjusting casing angle of inclination, the support is U-shaped support, support back-off is on casing, the two ends of support are fixedly installed on ground, hydraulic cylinder is provided between the support and pressure-bearing cover plate and between support and two side plates of casing, air admission hole is offered on two side plates of the casing, air inlet pipe is provided with the air admission hole, the air inlet pipe is connected with gas pot away from one end of air admission hole by inlet manifold, pressure gauge is provided with the inlet manifold.In addition, the invention also discloses the application method of the testing stand.Test platform structure of the invention is simple, reasonable in design, easy to use, with various functions.
Description
Technical field
The invention belongs to gas preventing and control experimental technique field, and in particular to a kind of Multi-functional analog boring test platform and its make
Use method.
Background technology
Gas Disaster is one of China's coal-mine Major Natural Disasters, and the principal contradiction of Safety of Coal Mine Production has been turned at present.
It is the important means that Gas Disaster is administered in colliery by construction drill draining coal seam gas, and in coal mine gas drainage work,
The sealing quality of drilling is the key factor for influenceing extracting result.
The development of domestic laboratory simulation mash gas pumping drilling is relatively slower always, and general test is all by very simple
Device carry out, or directly carry out experiment test at the scene, result is exactly caused by such present situation：Be not experimental result not
Enough is exactly accurately difficult field experiment test.Simulation drilling in recent years is increasingly studied personnel and payes attention to, and development also becomes rapid
Get up, but the simulation drilling equipment that laboratory is used at present is all fairly simple and unitary function, does not have integrated many work(
The simulation boring test platform of energy.Therefore, a kind of Multi-functional analog boring test platform is targetedly researched and developed for coal bed drilling
Scientific research is necessary.
The content of the invention
The technical problems to be solved by the invention are for above-mentioned the deficiencies in the prior art, there is provided a kind of Multi-functional analog
Boring test platform.The test platform structure is simple, reasonable in design, easy to use, and with various functions.The testing stand is by setting
Dodge gate, the filling and shaping of convenient simulation coal seam material, is drilled after can directly lift dodge gate after the shaping of simulation coal seam
With sealing of hole operation, by setting pressure-bearing cover plate and support, and between support and pressure-bearing cover plate and two of support and casing
Hydraulic cylinder is respectively provided between side plate, triaxiality can be applied to simulation coal seam, coal seam confined pressure is simulated, by two of casing
Air admission hole is opened up on side plate and the air inlet pipe being connected with gas pot is set, can filled by injecting methane gas in casing both sides
When the gas source in actual coal seam, the true live borehole sealing environment of reduction.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of Multi-functional analog boring test platform, its
It is characterised by：Including casing, support and the support base for supporting box, the front end and top of the casing are opened wide, casing
Leading inside be provided with the dodge gate that can lift, pressure-bearing cover plate is installed above casing, the bottom of the casing front end sets
Be equipped with the adjusting screw rod for adjusting casing angle of inclination, the support is U-shaped support, support back-off on casing, support
Two ends are fixedly installed on ground, are respectively provided between the support and pressure-bearing cover plate and between support and two side plates of casing
There is hydraulic cylinder, air admission hole is offered on two side plates of the casing, air inlet pipe, the air inlet are provided with the air admission hole
Pipe is connected with gas pot away from one end of air admission hole by inlet manifold, and pressure gauge is provided with the inlet manifold.
A kind of above-mentioned Multi-functional analog boring test platform, it is characterised in that：The support base includes front support seat with after
Support base, the rear support seat is arranged at the bottom of box back, and the front support seat includes being arranged at casing front end both sides
Left frame and correct frame, are provided with crossbeam, the adjusting screw rod between the left frame and correct frame and below casing
It is arranged on crossbeam.
A kind of above-mentioned Multi-functional analog boring test platform, it is characterised in that：The left frame and correct frame are triangle
Steel construction, left frame and correct frame are symmetrical arranged.
A kind of above-mentioned Multi-functional analog boring test platform, it is characterised in that：In two front ends of side plate of the casing
Side is provided with the draw-in groove snapped in for dodge gate.
In addition, present invention also offers a kind of application method of above-mentioned Multi-functional analog boring test platform, its feature exists
In：Comprise the following steps：
Step one, the pressure-bearing cover plate for opening the installation of casing top, dodge gate is loaded the leading inside of casing, rotation regulation
Screw rod makes casing adjust the angle to needed for experiment；
Step 2, according to the situation in actual coal seam configuration simulation coal seam material, will simulation coal seam material fill into casing
And be compacted, the simulation coal seam material of filling is dried to form simulation coal seam, and pressure-bearing cover plate, support and hydraulic cylinder are then installed successively；
Step 3, by air inlet pipe insert air admission hole in blend compounds sealing；
Step 4, lift dodge gate, the front center drilling using rig in simulation coal seam simulates drilling, then by gas
In drainage tube and Grouting Pipe insertion simulation drilling, negative pressure pump is connected away from one end of simulation drilling in gas pumping pipe, in slip casting
Pipe connects pulp injection tank away from one end of simulation drilling, and sealing material, closure are injected by Grouting Pipe using the technique of a two stifled notes
Simulation drilling；
After the completion of step 5, borehole sealing to be simulated, open gas pot to being passed through gas in casing, and by hydraulic cylinder to
Simulation coal seam in casing applies pressure, and observation experiment effect simultaneously obtains experimental data, realizes simulation mash gas pumping drilling sealing
Serial experiment.
Above-mentioned method, it is characterised in that：The simulation mash gas pumping drilling sealing serial experiment includes borehole sealing depth
Degree experiment, influence experiment of the different bore diameters to sealing of hole, different angle borehole sealing experiment, gas pressure is oozed with sealing material
The experiment of permeability relation, sealing material air-tightness, mobility, permeability and the experiment with coal seam caking property, ore deposit pressure is taken out to gas
The influence experiment of borehole and sealing material.
The present invention has advantages below compared with prior art：
1st, simple structure of the present invention, reasonable in design, easy to use.
2nd, the present invention is by setting dodge gate, the filling and shaping of convenient simulation coal seam material, after after the shaping of simulation coal seam
Dodge gate can directly be lifted carries out drilling and sealing of hole operation.
3rd, the present invention sets pressure-bearing cover plate and support, and between support and pressure-bearing cover plate and two of support and casing
Hydraulic cylinder is respectively provided between side plate, triaxiality can be applied to simulation coal seam, simulate coal seam confined pressure.
4th, the present invention opens up air admission hole and the air inlet pipe that is connected with gas pot of setting on two side plates of casing, can be with
The gas source during methane gas serve as actual coal seam, the true live borehole sealing environment of reduction are injected by casing both sides.
5th, simulator stand of the invention has various functions, can be studied different by adjusting the length of seal section
Impact effect of the hole sealing depth to sealing property；Can be by adjusting bore diameter, research different-diameter drilling is under confined pressure
Stability and sealing property；The drilling of different angle can be adjusted out by rotating adjusting screw rod, research different angle drilling exists
Stability and its sealing property under confined pressure effect；Sealing of hole can be carried out by using different materials, study and verify various envelopes
The air-tightness of Porous materials, mobility, permeability and with the sealing of hole performance such as coal seam caking property；Can be injected not by simulation coal seam
Gas pressure and the infiltrative relation of sealing material are studied with the gas of pressure；Can study difference and enclose by plus load
Press the effect to mash gas pumping drilling stability.
With reference to the accompanying drawings and examples, technical scheme is described in further detail.
Figure of description
Fig. 1 is the structural representation of Multi-functional analog boring test platform of the present invention.
Fig. 2 is the position relationship schematic diagram of casing of the present invention and dodge gate.
Fig. 3 is the use state schematic diagram of Multi-functional analog boring test platform of the present invention.
Description of reference numerals:
1-support base；1-1-rear support seat；1-2-left frame；
1-3-correct frame；1-4-crossbeam；2-casing；
2-1-side plate；3-adjusting screw rod；4-dodge gate；
5-pressure-bearing cover plate；6-support；7-hydraulic cylinder；
8-inlet manifold；9-gas pot；10-pressure gauge；
11-air inlet pipe；12-draw-in groove；13-simulation drilling；
14-gas pumping pipe；15-Grouting Pipe；16-negative pressure pump；
17-pulp injection tank.
Specific embodiment
As depicted in figs. 1 and 2, Multi-functional analog boring test platform of the invention, including casing 2, support 6 and for supporting
The support base 1 of casing 2, the front end and top of the casing 2 are opened wide, and the leading inside of casing 2 is provided with the activity that can lift
Door 4, the top of casing 2 is provided with pressure-bearing cover plate 5, and the bottom of the front end of the casing 2 is provided with for adjusting the angle of inclination of casing 2
Adjusting screw rod 3, the support 6 be U-shaped support, on casing 2, the two ends of support 6 are fixedly installed in ground to the back-off of support 6
On, hydraulic cylinder 7 is provided between the support 6 and pressure-bearing cover plate 5 and between support 6 and two side plate 2-1 of casing 2,
Air admission hole is offered on two side plate 2-1 of the casing 2, air inlet pipe 11, the air inlet pipe are provided with the air admission hole
11 are connected with gas pot 9 away from one end of air admission hole by inlet manifold 8, and pressure gauge 10 is provided with the inlet manifold 8.
In the present embodiment, the support base 1 includes front support seat and rear support seat 1-1, and the rear support seat 1-1 is arranged at
The bottom of the rear end of casing 2, the front support seat includes being arranged at the left frame 1-2 and correct frame 1-3 of the front end both sides of casing 2, institute
State between left frame 1-2 and correct frame 1-3 and the lower section of casing 2 is provided with crossbeam 1-4, the adjusting screw rod 3 is arranged at
On crossbeam 1-4.
In the present embodiment, the left frame 1-2 and correct frame 1-3 is triangle steel construction, left frame 1-2 and correct frame 1-
3 are symmetrical arranged.
In the present embodiment, the leading inside of two side plate 2-1 of the casing 2 is provided with the card snapped in for dodge gate 4
Groove 12.
The use state of Multi-functional analog boring test platform of the invention as shown in figure 3, application method specifically include it is following
Step：
Step one, the pressure-bearing cover plate 5 for opening the installation of the top of casing 2, dodge gate 4 is loaded the leading inside of casing 2, is rotated
Adjusting screw rod 3 makes casing 2 adjust the angle to needed for experiment；
Step 2, according to the situation in actual coal seam configuration simulation coal seam material, will simulation coal seam material fill into casing 2
And be compacted, the simulation coal seam material of filling is dried to form simulation coal seam, and pressure-bearing cover plate 5, support 6 and hydraulic cylinder are then installed successively
7；
Step 3, air inlet pipe 11 is inserted blend compounds sealing in air admission hole；
Step 4, lift dodge gate 4, using rig in the front center drilling simulation drilling 13 in simulation coal seam, then will
In gas pumping pipe 14 and the insertion simulation of Grouting Pipe 15 drilling 13, in gas pumping pipe 14 away from one end connection for simulating drilling 13
Negative pressure pump 16, pulp injection tank 17 is connected in Grouting Pipe 15 away from one end of simulation drilling 13, using the technique of a two stifled notes by note
The slurry injection sealing material of pipe 15, closure simulation drilling 13；
Step 5, treat the closure of simulation drilling 13 after the completion of, open gas pot 9 to being passed through gas in casing 2, and by hydraulic pressure
Cylinder 7 applies pressure to the simulation coal seam in casing 2, and observation experiment effect simultaneously obtains experimental data, realizes that simulation gas pumping is bored
Hole seals serial experiment, and the simulation mash gas pumping drilling sealing serial experiment includes borehole sealing depth experiments, difference drilling
Influence experiment of the diameter to sealing of hole, different angle borehole sealing experiment, gas pressure permeates the experiment of sexual intercourse with sealing material,
Sealing material air-tightness, mobility, permeability and the experiment with coal seam caking property, ore deposit pressure is to mash gas pumping drilling and sealing material
Influence experiment.
The above, is only presently preferred embodiments of the present invention, and any limitation is not done to the present invention, every according to invention skill
Any simple modification, change and equivalent structure change that art is substantially made to above example, still fall within the technology of the present invention
In the protection domain of scheme.
Claims (6)
1. a kind of Multi-functional analog boring test platform, it is characterised in that：Including casing (2), support (6) and for supporting box
(2) support base (1), the front end and top of the casing (2) are opened wide, and the leading inside of casing (2) is provided with what can be lifted
Dodge gate (4), is provided with pressure-bearing cover plate (5) above casing (2), the bottom of casing (2) front end is provided with for adjusting
The adjusting screw rod (3) at casing (2) angle of inclination, the support (6) is U-shaped support, support (6) back-off on casing (2), support
(6) two ends are fixedly installed on ground, between the support (6) and pressure-bearing cover plate (5) and support (6) and casing (2)
Hydraulic cylinder (7) is provided between two side plates (2-1), air inlet is offered on two side plates (2-1) of the casing (2)
Hole, is provided with air inlet pipe (11) on the air admission hole, the air inlet pipe (11) passes through inlet manifold (8) away from one end of air admission hole
Gas pot (9) is connected with, pressure gauge (10) is provided with the inlet manifold (8).
2. according to a kind of Multi-functional analog boring test platform described in claim 1, it is characterised in that：Support base (1) bag
Front support seat and rear support seat (1-1) are included, rear support seat (1-1) is arranged at the bottom of casing (2) rear end, the front support
Seat includes being arranged at the left frame (1-2) and correct frame (1-3) of casing (2) front end both sides, the left frame (1-2) and correct frame
Crossbeam (1-4) is provided between (1-3) and below casing (2), the adjusting screw rod (3) is arranged on crossbeam (1-4).
3. according to a kind of Multi-functional analog boring test platform described in claim 2, it is characterised in that：The left frame (1-2)
Triangle steel construction is with correct frame (1-3), left frame (1-2) and correct frame (1-3) are symmetrical arranged.
4. according to a kind of Multi-functional analog boring test platform described in claim 1, it is characterised in that：The two of the casing (2)
The leading inside of individual side plate (2-1) is provided with the draw-in groove (12) snapped in for dodge gate (4).
5. the application method of a kind of Multi-functional analog boring test platform as described in any claim in Claims 1-4, its
It is characterised by：Comprise the following steps：
Step one, the pressure-bearing cover plate (5) for opening the installation of casing (2) top, dodge gate (4) is loaded the leading inside of casing (2),
Rotation adjusting screw rod (3) makes casing (2) adjust the angle to needed for experiment；
Step 2, according to the situation in actual coal seam configuration simulation coal seam material, will simulation coal seam material fill into casing (2) simultaneously
Compacting, the simulation coal seam material of filling is dried to form simulation coal seam, and pressure-bearing cover plate (5), support (6) and hydraulic pressure are then installed successively
Cylinder (7)；
Step 3, by air inlet pipe (11) insert air admission hole in blend compounds sealing；
Step 4, lift dodge gate (4), using rig in front center drilling simulation drilling (13) in simulation coal seam, then will
In gas pumping pipe (14) and Grouting Pipe (15) insertion simulation drilling (13), in gas pumping pipe (14) away from simulation drilling (13)
One end connect negative pressure pump (16), Grouting Pipe (15) away from simulation drilling (13) one end connect pulp injection tank (17), using two
The technique of a stifled note injects sealing material, closure simulation drilling (13) by Grouting Pipe (15)；
Step 5, treat simulation drilling (13) closure after the completion of, open gas pot (9) and be passed through gas in casing (2), and by liquid
Cylinder pressure (7) applies pressure to the simulation coal seam in casing (2), and observation experiment effect simultaneously obtains experimental data, realizes simulation gas
Extraction borehole seals serial experiment.
6. in accordance with the method for claim 5, it is characterised in that：The simulation mash gas pumping drilling sealing serial experiment includes
Borehole sealing depth experiments, different bore diameters to sealing of hole influence experiment, different angle borehole sealing experiment, gas pressure with
Sealing material permeates the experiment of sexual intercourse, sealing material air-tightness, mobility, permeability and the experiment with coal seam caking property, ore deposit
Press the influence experiment to mash gas pumping drilling and sealing material.
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| CN201611059178.9A CN106761572A (en) | 2016-11-22 | 2016-11-22 | A kind of Multi-functional analog boring test platform and its application method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725006A (en) * | 2017-11-02 | 2018-02-23 | 西安科技大学 | A kind of coal bed drilling gas pumping simulation test device and method |
| CN110107279A (en) * | 2019-04-29 | 2019-08-09 | 淮阴工学院 | A kind of gas sealing of hole ground simulating device |
| CN110219699A (en) * | 2019-04-24 | 2019-09-10 | 中国矿业大学 | A kind of measurement device and measuring method of the effective radius of influence of mash gas pumping drilling |
| CN114059972A (en) * | 2021-11-24 | 2022-02-18 | 河南工程学院 | Be used for coal bed gas negative pressure to take out and adopt analogue means |
| CN114814094A (en) * | 2022-04-13 | 2022-07-29 | 西安科技大学 | Experimental device and experimental method for visually simulating gas drilling and sealing |
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| CN107725006A (en) * | 2017-11-02 | 2018-02-23 | 西安科技大学 | A kind of coal bed drilling gas pumping simulation test device and method |
| CN107725006B (en) * | 2017-11-02 | 2023-05-12 | 西安科技大学 | Coal seam drilling gas extraction simulation test device and method |
| CN110219699A (en) * | 2019-04-24 | 2019-09-10 | 中国矿业大学 | A kind of measurement device and measuring method of the effective radius of influence of mash gas pumping drilling |
| CN110107279A (en) * | 2019-04-29 | 2019-08-09 | 淮阴工学院 | A kind of gas sealing of hole ground simulating device |
| CN110107279B (en) * | 2019-04-29 | 2022-05-17 | 淮阴工学院 | Gas hole sealing ground simulation experiment device |
| CN114059972A (en) * | 2021-11-24 | 2022-02-18 | 河南工程学院 | Be used for coal bed gas negative pressure to take out and adopt analogue means |
| CN114059972B (en) * | 2021-11-24 | 2023-05-16 | 河南工程学院 | Be used for coal bed gas negative pressure to take out and adopt analogue means |
| CN114814094A (en) * | 2022-04-13 | 2022-07-29 | 西安科技大学 | Experimental device and experimental method for visually simulating gas drilling and sealing |
| CN114814094B (en) * | 2022-04-13 | 2024-03-01 | 西安科技大学 | Visual experiment device and experiment method for simulating gas drilling and hole sealing |
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