CN109403865B - Coal bed gas parameter while-drilling test method and device - Google Patents
Coal bed gas parameter while-drilling test method and device Download PDFInfo
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- CN109403865B CN109403865B CN201811567326.7A CN201811567326A CN109403865B CN 109403865 B CN109403865 B CN 109403865B CN 201811567326 A CN201811567326 A CN 201811567326A CN 109403865 B CN109403865 B CN 109403865B
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- 238000005553 drilling Methods 0.000 title claims abstract description 180
- 239000003245 coal Substances 0.000 title claims abstract description 71
- 238000010998 test method Methods 0.000 title claims description 6
- 239000000428 dust Substances 0.000 claims abstract description 80
- 230000008093 supporting effect Effects 0.000 claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 30
- 238000001179 sorption measurement Methods 0.000 claims abstract description 29
- 210000001503 joint Anatomy 0.000 claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000017525 heat dissipation Effects 0.000 claims abstract description 15
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 34
- 230000001681 protective effect Effects 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 21
- 238000012546 transfer Methods 0.000 claims description 7
- 230000002035 prolonged effect Effects 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- 239000002893 slag Substances 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011156 evaluation 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
-
- 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
- E21B12/00—Accessories for drilling tools
- E21B12/04—Drill bit protectors
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
- E21B21/015—Means engaging the bore entrance, e.g. hoods for collecting dust
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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
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
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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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
-
- 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
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- 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)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Drilling And Boring (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention provides a coal seam gas parameter while-drilling testing device which comprises a hand sleeve, a hand rod, a connecting sleeve, a butt joint shaft, a connecting pipe, a fastening bolt, a linear iron pin, a detachable hard coal seam auxiliary drilling bit structure, a fixed inner hexagonal socket bolt, a drilling extension rod structure capable of being adjusted in length, an auxiliary movable supporting and transferring frame, a dust auxiliary adsorption anti-splashing shield structure during drilling, a heat dissipation shield structure capable of transmitting remote data, a connecting plate and a fixed sleeve. According to the invention, the arrangement of the drilling teeth, the diversion trench and the connection liner tube and the drill bit main body can discharge coal slag generated during the drilling of the conical drill bit in time through the diversion trench, so that the problem of drilling blockage is avoided, good auxiliary drilling work can be realized through the drilling teeth, the influence of a hard coal seam on deep drilling is avoided, and final reaming operation can be carried out through the drill bit main body, so that the smooth drilling work is ensured.
Description
Technical Field
The invention belongs to the technical field of coal field gas geology, gas/coal bed gas extraction and coal mine safety, and particularly relates to a coal bed gas parameter while-drilling testing method and device.
Background
Coal seam gas occurrence, coal seam gas resource assessment, coal seam gas extraction, coal seam gas development, coal seam outburst risk prediction, gas disaster treatment, effect evaluation and the like all relate to coal seam gas parameter testing. At present, the coal seam gas content isoparametric test mainly adopts sampling test, the initial velocity of gas emission of a drill hole is mainly tested in the shallow hole of a working face, and the coal seam gas pressure is mainly obtained by a hole sealing balance test method or by the reverse calculation of the coal seam gas content. The existing method for quickly determining the gas content by fixed-point sampling, which is more accurate in coal seam gas content testing, has the disadvantages of complex sampling process, drill withdrawal sampling process, long sampling time, sampling mode, representativeness of sampling places, back calculation of initial loss amount and the like, and has great influence on the accuracy of the measured value of the coal seam gas content. At present, the coal bed gas content is rapidly tested by a drilling and chip-taking method which is very common in application, the sampling fixed point is worse, the accuracy of the sampling time length is worse, and the testing error is large. The methods have the defects of few measuring points, poor accuracy in reflecting coal bed gas distribution and easy leakage of the maximum value. The coal bed gas parameters are not tested while drilling. Therefore, the gas parameters in various places while drilling cannot be tested at present.
The invention discloses a method and a device for testing coal bed gas parameters while drilling, which are disclosed by the Chinese patent publication No. CN107448188A and are suitable for testing coal bed gas/coal bed gas parameters while drilling, evaluating gas extraction effects and the like. And the coal bed gas parameter is tested while drilling by testing the hole bottom gas and the coal bed information while drilling. The device comprises a cabin body, a pressure sensor, a temperature sensor, a flow sensor, an acoustic emission sensor, a monitoring control module, a power supply module and a communication module, and is arranged between a drill bit and a first drill rod. In the drilling process, monitoring the temperature at the measuring point in real time through a temperature sensor; during the drilling stopping period, hole sealing is carried out to form a pressure measuring chamber, and the gas pressure is monitored in real time through a pressure sensor; after the pressure measurement is finished, monitoring the gas emission flow of the drill hole in real time through a flow sensor; and comprehensively calculating the gas pressure, the gas content and the initial desorption gas quantity of the coal bed at the measuring point. However, the conventional coal bed gas parameter measurement while drilling method and device have the problems that the length of a drill bit cannot be adjusted, so that the requirement on the drilling depth cannot be met, dust is easily generated when a coal bed is drilled, the drilling is difficult when a hard coal bed is met, the detection data cannot be transmitted remotely, and the operation method for measuring is complicated.
Therefore, the coal bed gas parameter measurement while drilling method and the device thereof are very necessary.
Disclosure of Invention
In order to solve the technical problems, the invention provides a coal bed gas parameter while-drilling testing method and a device thereof, which solve the problems that the length of a drill bit cannot be adjusted, the drilling depth requirement cannot be met, dust is easily generated when a coal bed is drilled, drilling is difficult when a harder coal bed is encountered, detection data cannot be remotely transmitted and the operation method is complicated in the conventional coal bed gas parameter while-drilling testing method and device, wherein the coal bed gas parameter while-drilling testing device comprises a hand sleeve, a hand rod, a connecting sleeve, a butt joint shaft, a connecting pipe, a fastening bolt, a linear iron pin, a detachable hard coal bed auxiliary drilling drill bit structure, a fixed inner hexagonal socket bolt, a length-adjustable drilling extension rod structure, an auxiliary movable supporting and transferring frame, a dust auxiliary adsorption anti-splashing shield structure during drilling and a remote data transmission heat dissipation shield structure, the hand-held sleeve is longitudinally sleeved in the middle of the outer wall of the hand-held rod respectively; the inner longitudinal ends of the handrails are respectively welded on the upper part and the lower part of the right side of the connecting sleeve; the connecting sleeve is transversely screwed on the outer wall of the right end of the butt joint shaft; the left end of the butt joint shaft is inserted into the right end of the interior of the connecting pipe and is fastened and connected through a fastening bolt; the straight iron pin penetrates through the middle position of the right side inside the connecting sleeve; the detachable hard coal seam auxiliary drilling bit structure is arranged at the left end of the length-adjustable drilling extension rod structure through a fixed inner hexagonal socket bolt; the length-adjustable drilling hole extension rod structure is arranged at the upper end of the auxiliary movable supporting and transferring frame; the dust auxiliary adsorption anti-splash shield structure is arranged at the right part of the length-adjustable drilling extension rod structure during drilling; the structure of the heat dissipation cover capable of transmitting data remotely is arranged in the auxiliary movable supporting and transferring frame; the right inner hexagonal socket of the connecting plate is connected with the middle position of the front part of the fixed sleeve through a bolt; the detachable hard coal seam auxiliary drilling bit structure comprises a protective cap, a conical bit, drilling teeth, a diversion trench, a connecting liner pipe and a bit main body, wherein the protective cap is in threaded connection with the left end of the conical bit; the drilling teeth are respectively and integrally arranged on the upper side and the lower side of the outer wall of the conical drill from left to right; the diversion trench is respectively and transversely arranged at the middle position inside the front surface and the middle position inside the rear surface of the conical drill bit; one end of the connecting liner tube is welded at the middle position of the left end of the drill bit main body in a seamless mode, and the other end of the connecting liner tube is connected to the right end of the conical drill bit in a threaded mode.
Preferably, the length-adjustable drilling extension rod structure comprises a connecting sleeve, an extension rod, a driving pipe, a square-head bolt, an extension shaft and a fastening nut, wherein the connecting sleeve is sleeved on the outer wall of the left end of the extension rod; the right end of the extension rod is inserted into the left end of the interior of the driving pipe; the square head bolt is in threaded connection with the connecting part of the extension rod and the driving pipe; the transverse left end of the lengthened shaft penetrates through the middle position in the fastening nut and is in threaded connection with the right end in the driving pipe.
Preferably, the auxiliary movable supporting and transferring frame comprises a connecting seat, a fixed base, a drilling inclinometer, a supporting plate, a movable base and a universal wheel with a brake pad, wherein the connecting seat is respectively and transversely welded on the upper side and the lower side of the fixed base; the inclinometer while drilling is connected to the middle position in the fixed base through a screw; one end of each supporting plate is mounted on the left side and the right side of the lower part of the connecting seat arranged on the lower part through bolts; the other ends of the supporting plates are respectively installed on the left side and the right side of the upper part of the movable base through bolts; the universal wheels with the brake pads are respectively installed at four corners of the bottom of the movable base through bolts.
Preferably, the dust auxiliary adsorption anti-splashing shield structure during drilling comprises an adsorption filter element, a delivery pipe, a dust cover, a butt joint sleeve, a dust collection motor and a dust collection blade, wherein the adsorption filter element is respectively screwed in the middle of the interior of the delivery pipe; the delivery pipes are respectively and longitudinally connected with outlet ends at the upper and lower sides of the left part of the dust cover through threads; the butt joint sleeve is in threaded connection with the right end of the dust cover; the output shaft of the dust collection motor respectively penetrates through the middle positions of the upper part and the lower part of the right side of the dust cover and is in key connection with the middle position inside the dust collection blade.
Preferably, the heat dissipation cover structure capable of remotely transmitting data comprises a heat dissipation fin, a protection cover, a fixed base, a data display screen, a control host and a wireless transmission module, wherein the heat dissipation fin is transversely connected to the middle position of the top end in the protection cover through a screw; the protective cover is buckled at the middle position of the upper part of the fixed base; the data display screen, the control host and the wireless transmission module are sequentially connected to the middle position of the upper part of the fixed base through screws from left to right.
Preferably, the diversion trench is provided with two rectangular grooves with the width of five to eight millimeters.
Preferably, the drill main body is a serrated stainless steel drill at the left end.
Preferably, the fixed socket head cap screw is screwed at the joint of the engaging sleeve and the extension rod.
Preferably, the right end of the drill bit body is in threaded connection with the left end of the adapter sleeve.
Preferably, the lengthened shaft and the fastening nut are in threaded connection.
Preferably, the fixed sleeve is movably sleeved in the middle of the outer wall of the lengthened shaft.
Preferably, the upper connecting seat bolt is arranged at the lower side of the fixing sleeve.
Preferably, the dust collection motor is respectively connected to the middle positions of the upper part and the lower part of the right side of the dust cover through screws.
Preferably, the adsorption filter element is a carbon fiber filter element with a cylindrical longitudinal section.
Preferably, the dust cover is connected with the butt joint sleeve and then sleeved on the left part of the outer wall of the lengthened shaft.
Preferably, the transverse left part of the connecting plate is respectively connected with the middle positions of the front side and the rear side of the butt joint sleeve through hexagon socket bolts.
Preferably, the dust cover is a horn-shaped PVC plastic cover.
Preferably, the protective cover and the fixed base are in screw connection.
Preferably, the fixed base transverse bolt is installed at the middle position of the upper surface of the movable base.
Preferably, the radiating fins are made of aluminum sheets.
Preferably, the protective cover is a transparent PVC plastic cover with a rectangular longitudinal section.
Preferably, the connecting tube is keyed to the right end of the elongated shaft.
Preferably, the data display screen, the inclinometer while drilling, the dust collection motor and the wireless transmission module are respectively connected with the control host through wires.
Preferably, the data display screen is a liquid crystal display screen of model L530 TM, the inclinometer is an inclinometer of model HVT120T, the dust collection motor is a dc motor of model 775, the wireless transmission module is a serial WIFI wireless transceiver module of model ESP8266, and the control host is a single chip microcomputer of model STM32F429IGT 6.
The coal bed gas parameter while-drilling test method specifically comprises the following steps:
the method comprises the following steps: inspecting the apparatus and preparing: determining the working state of the device, checking the connection condition between equipment at each level, and preparing for drilling test operation;
step two: preparing a drill bit, and cleaning impurities of the drill bit: the conical drill bit can be protected through the protective cap, the drilling teeth are driven to rotate at a high speed through the conical drill bit, drilling operation can be carried out, a harder coal seam can be dealt with, and finally hole expanding and drilling operation can be carried out through the drill bit main body;
step three: the length operation of the drill bit is adjusted according to the drilling depth: when the drilling is prolonged, the square head bolt is loosened, the position of the extension rod in the driving pipe is telescopically adjusted, the square head bolt can be locked after the position is determined, the fastening nut is loosened again, the position of the extension shaft in the driving pipe can be telescopically adjusted, the fastening nut can be locked after the extension length is determined, and the deep drilling work can be carried out;
step four: moving the device position according to the drilling position: during drilling, the drilling-while-drilling work is continuously carried out by the inclinometer while drilling, the device can be moved by the universal wheel with the brake pad, and a good stable supporting effect can be achieved by forming a triangle between the supporting plate and the moving base;
step five: dust adsorption operation in the drilling: in the drilling process, the dust collection motor drives the dust collection blade to rotate, so that dust can be sucked out through the dust cover and enters the guide pipe to be filtered, adsorbed and discharged through the adsorption filter element;
step six: remote connection data transfer job: the wireless transmission module can be connected with an external smart phone or a tablet computer through wireless signals to achieve data transmission, data tested by the inclinometer can be displayed through a data display screen in real time through the control host, and the data can be wirelessly transmitted to the external smart phone or the tablet computer to achieve wireless transmission operation.
Preferably, in the second step, the protective cap is a stainless steel cap.
Preferably, in the second step, the drilling teeth are high manganese steel teeth, the number of the drilling teeth is multiple, and the distance between the drilling teeth is set to be three millimeters to five millimeters.
Compared with the prior art, the invention has the following beneficial effects:
according to the protective cap and the conical drill bit, the protective cap can well protect the conical drill bit, and the problem that the conical drill bit is damaged by direct drilling can be avoided; according to the invention, the arrangement of the drilling teeth, the diversion trench and the connection liner tube and the drill bit main body can discharge coal cinder generated during the drilling of the conical drill bit in time through the diversion trench, so that the problem of drilling blockage is avoided, good auxiliary drilling work can be realized through the drilling teeth, the influence of a hard coal seam on deep drilling is avoided, and final reaming operation can be carried out through the drill bit main body so as to ensure that the drilling work is carried out smoothly; according to the invention, the connecting sleeve, the extension rod, the driving pipe and the square head bolt are arranged, the position of the extension rod at the left end in the driving pipe can be adjusted in a telescopic mode by loosening the square head bolt, and the square head bolt can be locked after the position is determined, so that the smooth operation of front telescopic adjustment is ensured; according to the driving pipe, the lengthened shaft and the fastening nut are arranged, and the position of the lengthened shaft can be prolonged and adjusted by loosening the fastening nut, so that deep hole drilling work is realized; according to the invention, the connecting seat, the fixed base, the inclinometer while drilling, the supporting plate, the movable base and the universal wheel with the brake pad are arranged, the drilling operation is continuously carried out by the inclinometer while drilling during drilling, the device can be moved by the universal wheel with the brake pad, a good stable supporting effect can be achieved by forming a similar triangle between the supporting plate and the movable base, and the smooth operation of the drilling operation is ensured; according to the invention, the adsorption filter element, the delivery pipe, the dust cover, the butt joint sleeve, the dust collection motor and the dust collection blade are arranged, in the drilling hole, the dust collection blade is driven to rotate by the dust collection motor, so that dust can be sucked out through the dust cover and enters the delivery pipe to be filtered, adsorbed and discharged through the adsorption filter element, and the problem of environmental pollution can be avoided; according to the data display screen, the control host and the wireless transmission module are arranged, the wireless transmission module can be connected with an external smart phone or a tablet personal computer through a wireless signal, so that data transmission work is realized, data tested by the inclinometer while drilling can be displayed through the data display screen in real time through the control host, and can also be transmitted to the external smart phone or the tablet personal computer in a wireless manner, wireless transmission work is realized, operation steps are simplified, and the operation method is more convenient and faster; the arrangement of the heat radiating fin, the protective cover and the fixed base plays a good dustproof role and ensures the working state of components; the arrangement of the handrail sleeve, the handrail rod, the connecting sleeve, the butt joint shaft, the connecting pipe, the fastening bolt and the linear iron pin can ensure the normal connection work of the device and external driving equipment and ensure the smooth operation of drilling test; the arrangement of the fixed socket hexagon socket bolt can facilitate the disassembly of the structure between the connecting devices and the operation.
Drawings
FIG. 1 is a flow chart of the coal bed gas parameter measurement while drilling method of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a structural schematic diagram of the detachable hard coal seam auxiliary drilling bit structure.
Fig. 4 is a schematic structural view of the length-adjustable drilling extension rod structure of the present invention.
Fig. 5 is a schematic structural view of the auxiliary moving support transfer frame of the present invention.
Fig. 6 is a schematic structural view of a dust-assisted adsorption anti-splash shield structure for drilling according to the present invention.
Fig. 7 is a schematic structural diagram of a heat dissipation cover structure capable of remote data transmission according to the present invention.
Fig. 8 is a schematic electrical wiring diagram of the present invention.
In the figure:
1. a handrail sleeve; 2. a grab bar; 3. connecting a sleeve; 4. a butt joint shaft; 5. connecting the pipe; 6. fastening a bolt; 7. a linear iron pin; 8. the detachable hard coal seam auxiliary drilling bit structure; 81. a protective cap; 82. a conical drill bit; 83. drilling a hole tooth; 84. a diversion trench; 85. connecting a liner tube; 86. a drill bit body; 9. a fixed socket hexagon socket bolt; 10. the length of the drilling extension rod can be adjusted; 101. connecting the sleeve; 102. an extension pole; 103. an active tube; 104. a square head bolt; 105. lengthening a shaft; 106. fastening a nut; 11. the auxiliary moving support transfer frame; 111. a connecting seat; 112. fixing the base; 113. an inclinometer while drilling; 114. a support plate; 115. moving the base; 116. universal wheels with brake pads; 12. the dust assists in absorbing the anti-splash guard structure during drilling; 121. adsorbing the filter element; 122. a delivery pipe; 123. a dust cover; 124. butting a sleeve; 125. a dust collection motor; 126. dust collection leaves; 13. a heat dissipation cover structure capable of transmitting data remotely; 131. a heat sink; 132. a protective cover; 133. a fixed base; 134. a data display screen; 135. a control host; 136. a wireless transmission module; 14. a connecting plate; 15. and (5) fixing the sleeve.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
in the figure:
as shown in figures 2 to 8:
the coal bed gas parameter while-drilling testing device comprises a hand sleeve 1, a hand rod 2, a connecting sleeve 3, a butt joint shaft 4, a connecting pipe 5, a fastening bolt 6, a linear iron pin 7, a detachable hard coal bed auxiliary drilling bit structure 8, a fixed inner hexagonal socket bolt 9, a drilling extension rod structure 10 capable of adjusting the length, an auxiliary movable supporting and transferring frame 11, a dust auxiliary adsorption anti-splash shield structure 12 during drilling, a remote data transmission heat dissipation shield structure 13, a connecting plate 14 and a fixed sleeve 15, wherein the hand sleeve 1 is longitudinally sleeved at the middle position of the outer wall of the hand rod 2 respectively; the inner longitudinal ends of the handrails 2 are respectively welded on the upper part and the lower part of the right side of the connecting sleeve 3; the connecting sleeve 3 is transversely screwed on the outer wall of the right end of the butt joint shaft 4; the left end of the butt joint shaft 4 is inserted into the right end of the interior of the connecting pipe 5 and is fastened and connected through a fastening bolt 6; the straight iron pin 7 penetrates through the middle position of the right side inside the connecting sleeve 3; the detachable hard coal seam auxiliary drilling bit structure 8 is arranged at the left end of the drilling extension rod structure 10 with adjustable length through a fixed inner hexagonal socket bolt 9; the length-adjustable drilling extension rod structure 10 is arranged at the upper end of the auxiliary movable supporting and transferring frame 11; the dust auxiliary adsorption anti-splash shield structure 12 is arranged at the right part of the length-adjustable drilling extension rod structure 10 during drilling; the heat dissipation cover structure 13 capable of remote data transmission is arranged inside the auxiliary movable supporting and transferring frame 11; the right inner hexagonal socket of the connecting plate 14 is connected with the middle position of the front part of the fixed sleeve 15 through a bolt; the detachable hard coal seam auxiliary drilling bit structure 8 comprises a protective cap 81, a conical bit 82, drilling teeth 83, a diversion trench 84, a connecting liner 85 and a bit body 86, wherein the protective cap 81 is in threaded connection with the left end of the conical bit 82; the drilling teeth 83 are respectively and integrally arranged on the upper side and the lower side of the outer wall of the conical drill 82 from left to right; the diversion trench 84 is transversely arranged at the middle position inside the front surface and the middle position inside the rear surface of the conical drill 82 respectively; one end of the connecting liner tube 85 is welded at the middle position of the left end of the bit body 86 in a seamless mode, and the other end of the connecting liner tube is connected to the right end of the conical bit 82 in a threaded mode.
Preferably, the length-adjustable drilling extension rod structure 10 comprises an engagement sleeve 101, an extension rod 102, a driving pipe 103, a square head bolt 104, an extension shaft 105 and a fastening nut 106, wherein the engagement sleeve 101 is sleeved on the outer wall of the left end of the extension rod 102; the right end of the extension rod 102 is inserted into the left end of the interior of the driving pipe 103; the square head bolt 104 is in threaded connection with the connecting part of the extension rod 102 and the driving pipe 103; the horizontal left end of the lengthened shaft 105 penetrates through the middle position of the inner part of the fastening nut 106 and is in threaded connection with the right end of the inner part of the driving pipe 103.
Preferably, the auxiliary movable supporting and transferring frame 11 comprises a connecting base 111, a fixed base 112, a drilling inclinometer 113, a supporting plate 114, a movable base 115 and a universal wheel 116 with a brake pad, wherein the connecting base 111 is respectively welded on the upper side and the lower side of the fixed base 112 in the transverse direction; the inclinometer 113 is connected to the middle position in the fixed base 112 through a screw; one end of each supporting plate 114 is mounted on the left side and the right side of the lower part of the connecting seat 111 arranged on the lower part through bolts; the supporting plates 114 are respectively installed at the left and right sides of the upper part of the movable base 115 by bolts at the other ends; the universal wheels 116 with the brake pads are respectively bolted at four corners of the bottom of the movable base 115.
Preferably, the dust auxiliary adsorption anti-spattering shield structure 12 during drilling comprises an adsorption filter element 121, a delivery pipe 122, a dust cover 123, a docking sleeve 124, a dust suction motor 125 and a dust suction vane 126, wherein the adsorption filter element 121 is respectively screwed in the middle of the interior of the delivery pipe 122; the delivery pipe 122 is respectively and longitudinally screwed at the outlet ends at the upper and lower sides of the left part of the dust cover 123; the butt joint sleeve 124 is in threaded connection with the right end of the dust cover 123; the output shaft of the dust collection motor 125 penetrates through the middle positions of the upper and lower parts of the right side of the dust cover 123 and is connected with the middle position inside the dust collection blade 126 in a key mode.
Preferably, the heat sink structure 13 capable of remote data transmission comprises a heat sink 131, a protective cover 132, a fixing base 133, a data display 134, a control host 135 and a wireless transmission module 136, wherein the heat sink 131 is transversely screwed at the middle position of the inner top end of the protective cover 132; the protective cover 132 is buckled at the middle position of the upper part of the fixed base 133; the data display screen 134, the control host 135 and the wireless transmission module 136 are sequentially screwed at the middle position of the upper part of the fixed base 133 from left to right.
Preferably, the diversion trench 84 is opened as a rectangular groove with a width of five millimeters to eight millimeters, and two diversion trenches 84 are provided.
Preferably, the drill main body 86 is a serrated stainless steel drill at the left end.
Preferably, the fixed socket head cap bolt 9 is screwed to the joint of the adapter sleeve 101 and the extension rod 102.
Preferably, the right end of bit body 86 is threaded into the left end of adapter sleeve 101.
Preferably, the elongated shaft 105 and the fastening nut 106 are screwed together.
Preferably, the fixed sleeve 15 is movably sleeved at the middle position of the outer wall of the lengthened shaft 105.
Preferably, the upper connecting seat 111 is bolted to the lower side of the fixing sleeve 15.
Preferably, the dust suction motor 125 is respectively screwed to the middle of the upper and lower portions of the right side of the dust cover 123.
Preferably, the adsorption filter element 121 specifically adopts a carbon fiber filter element with a cylindrical longitudinal section.
Preferably, the dust cover 123 and the docking sleeve 124 are connected and then sleeved on the left part of the outer wall of the elongated shaft 105.
Preferably, the left transverse part of the connecting plate 14 is respectively bolted at the middle positions of the front side and the rear side of the butt-joint sleeve 124 by hexagon socket bolts.
Preferably, the dust cover 123 is a trumpet-shaped PVC plastic cover.
Preferably, the protective cover 132 and the fixing base 133 are screwed.
Preferably, the fixed base 133 is transversely bolted to the middle of the upper surface of the movable base 115.
Preferably, the heat sink 131 is made of aluminum sheet.
Preferably, the protective cover 132 is a transparent PVC plastic cover with a rectangular longitudinal section.
Preferably, the adapter tube 5 is keyed to the right end of the elongated shaft 105.
Preferably, the data display screen 134, the inclinometer 113, the dust suction motor 125 and the wireless transmission module 136 are respectively connected with the control host 135 through wires.
Preferably, the data display screen 134 specifically adopts a liquid crystal display screen with a model number of L530 TM, the inclinometer 113 specifically adopts an inclinometer with a model number of HVT120T, the dust collection motor 125 specifically adopts a direct current motor with a model number of 775, the wireless transmission module 136 specifically adopts a serial port WIFI wireless transceiver module with a model number of ESP8266, and the control host 135 specifically adopts a single chip microcomputer with a model number of STM32F429IGT 6.
The coal bed gas parameter while-drilling test method specifically comprises the following steps:
referring specifically to the description, FIG. 1 shows:
s101: inspecting the apparatus and preparing: determining the working state of the device, checking the connection condition between equipment at each level, and preparing for drilling test operation;
s102: preparing a drill bit, and cleaning impurities of the drill bit: the conical drill bit 82 can be protected by the protective cap 81, the drilling teeth 83 are driven by the conical drill bit 82 to rotate at a high speed, drilling operation can be carried out, a harder coal seam can be dealt with, and finally reaming and drilling operation can be carried out by the drill bit main body 86;
s103: the length operation of the drill bit is adjusted according to the drilling depth: when drilling is prolonged, the square head bolt 104 can be locked after the position is determined by loosening the square head bolt 104 and telescopically adjusting the position of the extension rod 102 in the driving pipe 103, the fastening nut 106 can be loosened again, the position of the extension shaft 105 in the driving pipe 103 can be telescopically adjusted, the fastening nut 106 can be locked after the extension length is determined, and deep drilling can be carried out;
s104: moving the device position according to the drilling position: during drilling, the drilling tool continuously performs drilling while drilling through the inclinometer 113, the device can be moved through the universal wheel 116 with the brake pad, and a good stable supporting effect can be achieved through the formation of a triangle between the supporting plate 114 and the moving base 115;
s105: dust adsorption operation in the drilling: in the drilling process, the dust collection motor 125 drives the dust collection blade 126 to rotate, so that dust can be sucked out through the dust cover 123 and enter the guide pipe 122 to be filtered, adsorbed and discharged through the adsorption filter element 121;
s106: remote connection data transfer job: the wireless transmission module 136 can be connected with an external smart phone or a tablet personal computer through wireless signals to realize data transmission, data tested by the inclinometer 113 can be displayed through the data display screen 134 in real time through the control host 135, and the data can be transmitted to the external smart phone or the tablet personal computer in a wireless mode to realize wireless transmission operation.
Preferably, in S102, the protective cap 81 is a stainless steel cap.
Preferably, in S102, the drilling teeth 83 are made of high manganese steel teeth, the drilling teeth 83 are provided in plurality, and the distance between the drilling teeth 83 is set to three millimeters to five millimeters.
Principle of operation
The invention aims to provide a method and a device for testing coal bed gas parameters while drilling, which comprises the following specific operation steps:
the method comprises the following steps: inspecting the apparatus and preparing: determining the working state of the device, checking the connection condition between equipment at each level, and preparing for drilling test operation;
step two: preparing a drill bit, and cleaning impurities of the drill bit: the conical drill bit 82 can be protected by the protective cap 81, the drilling teeth 83 are driven by the conical drill bit 82 to rotate at a high speed, drilling operation can be carried out, a harder coal seam can be dealt with, and finally reaming and drilling operation can be carried out by the drill bit main body 86;
step three: the length operation of the drill bit is adjusted according to the drilling depth: when drilling is prolonged, the square head bolt 104 can be locked after the position is determined by loosening the square head bolt 104 and telescopically adjusting the position of the extension rod 102 in the driving pipe 103, the fastening nut 106 can be loosened again, the position of the extension shaft 105 in the driving pipe 103 can be telescopically adjusted, the fastening nut 106 can be locked after the extension length is determined, and deep drilling can be carried out;
step four: moving the device position according to the drilling position: during drilling, the drilling tool continuously performs drilling while drilling through the inclinometer 113, the device can be moved through the universal wheel 116 with the brake pad, and a good stable supporting effect can be achieved through the formation of a triangle between the supporting plate 114 and the moving base 115;
step five: dust adsorption operation in the drilling: in the drilling process, the dust collection motor 125 drives the dust collection blade 126 to rotate, so that dust can be sucked out through the dust cover 123 and enter the guide pipe 122 to be filtered, adsorbed and discharged through the adsorption filter element 121;
step six: remote connection data transfer job: the wireless transmission module 136 can be connected with an external smart phone or a tablet personal computer through wireless signals to realize data transmission, data tested by the inclinometer 113 can be displayed through the data display screen 134 in real time through the control host 135, and the data can be transmitted to the external smart phone or the tablet personal computer in a wireless mode to realize wireless transmission operation.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (9)
1. The coal bed gas parameter while-drilling testing device is characterized by comprising a hand sleeve, a hand rod, a connecting sleeve, a butt joint shaft, a linking pipe, a fastening bolt, a linear iron pin, a detachable hard coal bed auxiliary drilling bit structure, a fixed inner hexagonal socket bolt, a drilling extension rod structure capable of adjusting length, an auxiliary movable supporting and transferring frame, a dust auxiliary adsorption anti-splashing shield structure during drilling, a remote data transmission heat dissipation shield structure, a connecting plate and a fixed sleeve, wherein the hand sleeve is longitudinally sleeved at the middle position of the outer wall of the hand rod; the longitudinal inner end of the handrail is welded at the upper part and the lower part of the right side of the connecting sleeve; the connecting sleeve is transversely screwed on the outer wall of the right end of the butt joint shaft; the left end of the butt joint shaft is inserted into the right end of the interior of the connecting pipe and is fastened and connected through a fastening bolt; the straight iron pin penetrates through the middle position of the right side inside the connecting sleeve; the detachable hard coal seam auxiliary drilling bit structure is arranged at the left end of the length-adjustable drilling extension rod structure through a fixed inner hexagonal socket bolt; the length-adjustable drilling hole extension rod structure is arranged at the upper end of the auxiliary movable supporting and transferring frame; the dust auxiliary adsorption anti-splash shield structure is arranged at the right part of the length-adjustable drilling extension rod structure during drilling; the structure of the heat dissipation cover capable of transmitting data remotely is arranged in the auxiliary movable supporting and transferring frame; the right inner hexagonal socket of the connecting plate is connected with the middle position of the front part of the fixed sleeve through a bolt; the detachable hard coal seam auxiliary drilling bit structure comprises a protective cap, a conical bit, drilling teeth, a diversion trench, a connecting liner pipe and a bit main body, wherein the protective cap is in threaded connection with the left end of the conical bit; the drilling teeth are integrally arranged on the upper side and the lower side of the outer wall of the conical drill bit from left to right; the diversion trench is transversely arranged in the middle of the inner part of the front surface and the middle of the inner part of the rear surface of the conical drill bit; one end of the connecting liner tube is welded at the middle position of the left end of the drill bit main body in a seamless mode, and the other end of the connecting liner tube is in threaded connection with the right end of the conical drill bit; the length-adjustable drilling extension rod structure comprises a connecting sleeve, an extension rod, a driving pipe, a square-head bolt, a lengthened shaft and a fastening nut, wherein the connecting sleeve is sleeved on the outer wall of the left end of the extension rod; the right end of the extension rod is inserted into the left end of the interior of the driving pipe; the square head bolt is in threaded connection with the connecting part of the extension rod and the driving pipe; the transverse left end of the lengthened shaft penetrates through the middle position in the fastening nut and is in threaded connection with the right end in the driving pipe; the fixed sleeve is movably sleeved in the middle of the outer wall of the lengthened shaft; the connecting pipe is connected to the right end of the lengthened shaft through a key.
2. The coal bed gas parameter while drilling testing device as claimed in claim 1, wherein the auxiliary movable supporting and transferring frame comprises a connecting seat, a fixed base, a while drilling inclinometer, a supporting plate, a movable base and a universal wheel with a brake pad, wherein the connecting seat is transversely welded on the upper side and the lower side of the fixed base; the inclinometer while drilling is connected to the middle position in the fixed base through a screw; one end of the supporting plate is mounted on the left side and the right side of the lower part of the connecting seat arranged on the lower part through bolts; the other end of the supporting plate is mounted on the left side and the right side of the upper part of the movable base through bolts; the universal wheel with the brake block is arranged at four corners of the bottom of the movable base through bolts.
3. The coal bed gas parameter while drilling testing device as claimed in claim 2, wherein the dust-assisted adsorption anti-splash shield structure during drilling comprises an adsorption filter element, a delivery pipe, a dust cover, a butt joint sleeve, a dust suction motor and a dust suction blade, wherein the adsorption filter element is screwed in the middle of the interior of the delivery pipe; the delivery pipe is longitudinally connected with outlet ends at the upper and lower sides of the left part of the dust cover through threads; the butt joint sleeve is in threaded connection with the right end of the dust cover; the output shaft of the dust collection motor penetrates through the middle positions of the upper part and the lower part of the right side of the dust cover and is in key connection with the middle position inside the dust collection blade.
4. The coal bed gas parameter while drilling testing device as recited in claim 3, wherein the structure of the heat dissipation cover capable of remote data transmission comprises a heat dissipation fin, a protection cover, a fixed base, a data display screen, a control host and a wireless transmission module, wherein the heat dissipation fin is transversely screwed at the middle position of the inner top end of the protection cover; the protective cover is buckled at the middle position of the upper part of the fixed base; the data display screen, the control host and the wireless transmission module are sequentially connected to the middle position of the upper part of the fixed base through screws from left to right.
5. The coal bed gas parameter while drilling testing device as claimed in claim 3, wherein the diversion trench is provided with a rectangular groove with a width of five millimeters to eight millimeters, and two diversion trenches are provided.
6. The coal seam gas parameter while drilling testing device of claim 3, wherein the drill bit body is a serrated stainless steel drill bit at the left end.
7. The coal seam gas parameter while drilling testing device as recited in claim 3, wherein the fixed socket bolt is screwed at the joint of the adapter sleeve and the extension rod.
8. The coal bed gas parameter while-drilling testing method adopting the coal bed gas parameter while-drilling testing device as claimed in any one of claims 4-7 is characterized by specifically comprising the following steps of:
the method comprises the following steps: inspecting the apparatus and preparing: determining the working state of the device, checking the connection condition between equipment at each level, and preparing for drilling test operation;
step two: preparing a drill bit, and cleaning impurities of the drill bit: the conical drill bit can be protected through the protective cap, the drilling teeth are driven to rotate at a high speed through the conical drill bit, drilling operation can be carried out, a harder coal seam can be dealt with, and finally hole expanding and drilling operation can be carried out through the drill bit main body;
step three: the length operation of the drill bit is adjusted according to the drilling depth: when the drilling is prolonged, the square head bolt is loosened, the position of the extension rod in the driving pipe is telescopically adjusted, the square head bolt can be locked after the position is determined, then the fastening nut is loosened, the position of the extension shaft in the driving pipe can be telescopically adjusted, the fastening nut can be locked after the extension length is determined, and the deep drilling work can be carried out;
step four: moving the device position according to the drilling position: during drilling, the drilling-while-drilling work is continuously carried out by the inclinometer while drilling, the device can be moved by the universal wheel with the brake pad, and a good stable supporting effect can be achieved by forming a triangle between the supporting plate and the moving base;
step five: dust adsorption operation in the drilling: in the drilling process, the dust collection motor drives the dust collection blade to rotate, so that dust can be sucked out through the dust cover and enters the guide pipe to be filtered, adsorbed and discharged through the adsorption filter element;
step six: remote connection data transfer job: can realize through radio signal that wireless transmission module and outside smart mobile phone or panel computer carry out the connection work to realize data transfer work, can show the data of following the test of inclinometer through the data display screen in real time through control host, can also wireless transmission to outside smart mobile phone or panel computer, realize the wireless transmission operation.
9. The coal seam gas parameter while drilling test method as claimed in claim 8, wherein in the second step, the drilling teeth are high manganese steel teeth, the number of the drilling teeth is multiple, and the distance between the drilling teeth is set to be three millimeters to five millimeters.
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| CN110424949B (en) | 2019-06-24 | 2021-06-22 | 中国矿业大学 | Inversion calculation method for coal bed gas parameter rapid measurement while drilling |
| CN111521537B (en) * | 2020-04-30 | 2022-10-21 | 太原理工大学 | Multidimensional data measuring device for coal block drilling process |
| CN111561309B (en) * | 2020-05-18 | 2023-07-28 | 西安科技大学 | Underground coal mine hole parameter detection device and method |
| CN111929118A (en) * | 2020-08-14 | 2020-11-13 | 高峥嵘 | Coal seam outburst-prevention gas content measuring device capable of conducting underground measurement |
| CN114215507B (en) * | 2021-05-21 | 2023-11-17 | 华北科技学院(中国煤矿安全技术培训中心) | Gas pressure measuring device and method based on directional drilling machine |
| CN113266347B (en) * | 2021-07-05 | 2022-05-13 | 中煤科工集团重庆研究院有限公司 | Near-bit coal seam gas parameter while-drilling comprehensive measurement device and method |
| CN114251084B (en) * | 2021-11-22 | 2023-09-15 | 煤炭科学技术研究院有限公司 | Device and method for quickly and continuously measuring drilling gas flow while drilling |
| CN115450615B (en) * | 2022-09-16 | 2024-09-20 | 中煤科工集团重庆研究院有限公司 | Multi-point coal seam gas parameter while-drilling measuring device and method |
| CN116771275B (en) * | 2023-08-16 | 2023-11-07 | 河北华勘地质勘查有限公司 | Rock-soil layer drilling equipment for geological survey |
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| CA2305960A1 (en) * | 2000-04-10 | 2001-10-10 | Hermann K. Bumueller | Underground mining sampler |
| CN102587828B (en) * | 2012-03-06 | 2013-12-04 | 中国矿业大学 | Gas extraction and drilling cooperative drilling and protecting integrated system for soft coal seams and process |
| CN106869798B (en) * | 2017-03-30 | 2018-08-17 | 河南理工大学 | The drilling guard aperture method of weak seam mash gas pumping drilling guard aperture drilling tool |
| CN107448188B (en) * | 2017-10-12 | 2020-06-12 | 中国矿业大学 | Coal bed gas parameter while-drilling test method and device |
| CN107975340A (en) * | 2017-12-06 | 2018-05-01 | 郑州神利达钻采设备有限公司 | A kind of big drilling machine of application range and its application method |
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