CN108518182A - Method and device is put in the advanced region water body spy of the dendritic directional drilling of top plate multi-aquifer - Google Patents
Method and device is put in the advanced region water body spy of the dendritic directional drilling of top plate multi-aquifer Download PDFInfo
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- CN108518182A CN108518182A CN201810338765.4A CN201810338765A CN108518182A CN 108518182 A CN108518182 A CN 108518182A CN 201810338765 A CN201810338765 A CN 201810338765A CN 108518182 A CN108518182 A CN 108518182A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 193
- 238000005553 drilling Methods 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000010276 construction Methods 0.000 claims abstract description 29
- 238000013461 design Methods 0.000 claims abstract description 10
- 238000005065 mining Methods 0.000 claims abstract description 6
- 230000008054 signal transmission Effects 0.000 claims description 29
- 238000005259 measurement Methods 0.000 claims description 28
- 238000011161 development Methods 0.000 claims description 24
- 230000004297 night vision Effects 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 15
- 238000004321 preservation Methods 0.000 claims description 15
- 238000003786 synthesis reaction Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 11
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 2
- 230000002285 radioactive effect Effects 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000003643 water by type Substances 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
- E21B7/04—Directional 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
- E21B47/00—Survey of boreholes or wells
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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
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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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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- 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
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Abstract
The present invention relates to a kind of advanced region water body spies of dendritic directional drilling of top plate multi-aquifer to put method and device.The present invention is used with the dendritic directional drilling construction of geosteering directional tool progress is bored, and control drilling track extends along design water-bearing layer and planned course, and progress water body is unrestrained after pore-forming；Dendritic directional drilling from main aperture and it is multiple on form to branched hole, wherein main aperture extends over long distances along lower water-bearing layer, and water body in water-bearing layer is put down for visiting；On to branched hole pass through upper water-bearing layer, for visit put water body in water-bearing layer.The present invention solve the aqueous layer number of roof it is more when, water body spy put efficiency it is low, visit put the problems such as error is big, treatment cost is high, have many advantages, such as that spy puts that efficient, construction work amount is small, visits that spermiation degree is high, area coverage is wide, realizing multi-aquifer water body, once advanced region spy is put, and has ensured safe and efficient coal mining.
Description
Technical field
The present invention relates to a kind of advanced region water body spies to put method and device, belongs to coal mining technology field, specifically
It is related to a kind of advanced region water body spy of the dendritic directional drilling of top plate multi-aquifer and puts method and device.
Background technology
Coal in China preservation hydrogeologic condition is complex, top plate water damage be China's coal-mine water damage main Types it
One, destructiveness is huge, and very big hidden danger and loss are brought to Safety of Coal Mine Production.As superficial part resource is increasingly exhausted, coal
Exploitation gradually develops to great burying, high-ground stress and strong water enrichment area, and high-frequency and strong Characteristics of Damage is presented in mine roof water damage.
Using drilling roof water is detected in advance with it is unrestrained be avoid top plate water damage accident occur effective way it
One, water body spy is mainly carried out using top plate layer-through drilling or conventional directional drilling at present and is put, is had the following problems：1. adopting at present
Water flowing fractured zone development is mainly obtained using theoretical calculation or numerical simulation, and there are deviation, Part Coal Mine roof waters for actual value
Literary geologic information is simple, and the aqueous layer number of top plate is more, poor to its detailed preservation information grasp, and watery is difficult to accurately slap
It holds；2. top plate layer-through drilling depth as shallow, track can not observing and controlling, construction work amount is big, and need exploitation tunnel formed after carry out
Construction, thin discharge time is short, cannot achieve advanced region roof water spy and puts, is unfavorable for the long-term plan that mine expands the scale of production
It is required that；3. conventional directional drilling can over long distances extend along water content, but it is to be oriented to the locus that drills, and is become when stratum rises and falls
It when change, can not accurately extend along formation at target locations, and be only applicable to single water-bearing layer water body spy and put.
For this purpose, the designer of the present invention, in view of drawbacks described above, by concentrating on studies and designing, synthesis is engaged in for many years for a long time
The experience and achievement of related industry put deficiency, research and design existing for method for the spy of roof multi-aquifer water body and go out one
Once method is put in advanced region water body spy to the dendritic directional drilling of kind roof multi-aquifer, to overcome drawbacks described above.
Invention content
The technical problems to be solved by the invention
In the prior art, when the spy of roof multi-aquifer water body is put, water-bearing layer preservation information is unclear, adopts water guide splits
Gap band law of development is unclear, and top plate layer-through drilling detects that blind area is big, of high cost, the period is long, and conventional directional drilling is unable to ensure edge
Target water content extends, and is only applicable to single water content spy and puts.
Solve the above problems used technical solution
The above-mentioned technical problem of the present invention is mainly to be addressed by following technical proposals：
Method is put in a kind of advanced region water body spy of the dendritic directional drilling of top plate multi-aquifer, including：
Information exploration steps detect water-bearing layer preservation information and adopt water flowing fractured zone development height；
Drilling design step includes dendritic directional drilling according to probe result design, and the dendritic directional drilling includes edge
Main aperture that lower water-bearing layer extends and water flowing fractured zone development height is adopted more than top plate across upper water-bearing layer and whole hole absolute altitude
On to branched hole；
Main aperture construction procedure, the main aperture for dendritic directional drilling of constructing；
Branch hole construction procedure, to branched hole on dendritic directional drilling of constructing, acquisition drilling water yield and discharge pressure are simultaneously
It is unrestrained that water body is carried out according to water yield and/or discharge pressure；
Back production construction procedure verifies the unrestrained rear water yield of water body in not aqueous in top plate water-bearing layer or top plate water-bearing layer
And discharge pressure reaches working face mining condition, then operable face back production.
In at least one embodiment of the present invention, described information exploration steps include：In mine, stope is applied
Drilling is detected to wearing layer in work one, then the tripping in drill hole information synthesis detection system out of drilling, find out that top plate water-bearing layer is marked
The preservations such as height, thickness information and top plate adopt water flowing fractured zone development height.
In at least one embodiment of the present invention, it is described wear layer and detect drilling trepanning inclination angle be more than 60 °, whole hole absolute altitude
It is bigger 10m or more than adopting water flowing fractured zone development height calculated value.
In at least one embodiment of the present invention, the main aperture construction procedure includes：It is arranged in roadway workface and bores
, tripping in is constructed with geosteering directional tool is bored according to dendritic directional drilling main aperture planned course, real in drilling process
When measure drilling locus, and identify drilling strata lithology, it is aqueous under along planned course to control dendritic directional drilling
Extend over long distances in layer；In drilling process a branch point is reserved every predetermined space.
In at least one embodiment of the present invention, branch hole construction procedure includes：After the completion of main aperture is constructed, from hole
Brill is moved back in bottom to aperture, moves back and is drilled into reserved branch point, and branch is opened using hanging sidetracking branch technique sidetracking is ground at a slow speed；Output branch
Kong Hou, adjustment dip angle of hole drilling, passes through upper water-bearing layer, and adopt water flowing fractured zone development height more than top plate；It then proceedes to
Brill is moved back, until completing to construct to branched hole on all.
In at least one embodiment of the present invention, the main aperture construction procedure and branch hole construction procedure include：Dendritic
When directional drilling construction, drilling water yield and discharge pressure are acquired in real time in aperture, if drilling is not discharged, illustrates top plate water-bearing layer
It is inside not aqueous；If drilling water outlet, records EXIT POINT depth and its space tracking parameter, and draw out water body in top plate water-bearing layer
Distribution plane figure, hydraulic pressure distribution isogram and water distribution isogram.
In at least one embodiment of the present invention, the main aperture construction procedure and branch hole construction procedure include：Dendritic
When directional drilling construction, if drilling water yield and discharge pressure are more than mine square gauge definite value, it is unrestrained to stop creeping into row water body, until go out
Water and discharge pressure continue to construct after being less than mine square gauge definite value；If drilling water yield and discharge pressure are less than mine square gauge definite value,
Then concentrate progress water body unrestrained behind complete hole.
In at least one embodiment of the present invention, the dendritic directional drilling uniform cloth in groups in face roof
It sets, the spacing of wells is 30~50m, and horizontal segment laps one another between each group directional drilling；On the dendritic directional drilling to
Branched hole is in dendritic arrangement.
A kind of drill hole information synthesis detection system, including：By self-cleaning drill bit, night vision cam, geological information detecting module,
Power module, space tracking measurement module A, signal transmission module A, without magnetic instrument outer tube A, logical cable formula signal transmission drilling rod, logical
Cable formula rotates water feeder and aperture processing system A, wherein the night vision cam self illumination light source；Geological information detects mould
Be equipped in block can sensitive stratum natural radioactivity detection sensor；Acceleration sensing is set in space tracking measurement module A
Device group and Magnetic Sensor group, each sensor group are made of 3 mutually orthogonal sensors；Power module is by 3 battery packs
Composition may respectively be night vision cam, geological information detecting module and the A power supplies of space tracking measurement module；Signal transmission module A
Signal transmission is carried out using frequency multiplexing technique；The night vision cam, geological information detecting module, power module,
Space tracking measurement module A, signal transmission module A are sequentially connected instrument string in group pore-forming, and mounted on no magnetic instrument outer tube A
In；The self-cleaning drill bit is sequentially connected without magnetic instrument outer tube A, logical cable formula signal transmission drilling rod and logical cable formula rotation water feeder,
Wherein night vision cam enters close to self-cleaning drill bit one end in self-cleaning drill bit.
It is a kind of to put method using the above-mentioned advanced region water body spy of the system progress dendritic directional drilling of top plate multi-aquifer, it wraps
It includes：Water-bearing layer preservation information is detected using the drill hole information synthesis detection system and adopts water flowing fractured zone development height, if
Meter includes the main aperture extended along lower water-bearing layer and is more than top plate across upper water-bearing layer and whole hole absolute altitude and adopts water flowing fractured zone to send out
Educate height on to branched hole dendritic directional drilling；Drilling water yield and discharge pressure are acquired when the branched hole is constructed simultaneously
It is unrestrained that water body is carried out according to water yield and/or discharge pressure.
Invention effect
The present invention develops a kind of dendritic directional drilling of roof multi-aquifer, and once method is put in advanced region water body spy,
Based on by the water-bearing layer preservation information accurately detected and adopting water flowing fractured zone development information, with brill identification of formation orientation drill
Into to rely on, water body in water-bearing layer is put down using the spy of dendritic directional drilling main aperture, it is aqueous using being put to branched hole spy on multiple
Water body in layer, realizing multi-aquifer water body, once advanced region spy is put, and has ensured safe and efficient coal mining, has had following significantly excellent
Gesture：
1, once water body in multiple water-bearing layers can visit and put, spy is put efficient；
2, dendritic directional drilling can accurately extend over long distances along water-bearing layer, effective hole segment length, and construction work amount is small；
3, accurate measurement directional drilling locus parameter and drilling strata information can be bored in fact, it is ensured that drilling track is accurately controlled
System visits spermiation degree height, blind area is not present；
4, multiple dendritic drillings are evenly distributed can meet entire working face leting speeper needs, and area coverage is wide.
Description of the drawings
Fig. 1 is that once principle schematic is put in advanced region water body spy to the dendritic directional drilling of roof multi-aquifer.
Fig. 2 is dendritic directional drilling horizontal layout schematic diagram.
Fig. 3 is that drill hole information synthesis detection system forms connection diagram.
Fig. 4 is self-cleaning drill bit structure schematic diagram.
Fig. 5 is to form connection diagram with brill geosteering directional tool.
Lower water-bearing layer 1, upper water-bearing layer 2 adopt water flowing fractured zone 3, wear layer and detect drilling 4, dendritic directional drilling 5, main aperture
6, to branched hole 7, drill site 8, working face 9, self-cleaning drill bit 10, night vision cam 11, geological information detecting module 12, power supply mould on
Block 13, space tracking measurement module A14, signal transmission module A15, without magnetic instrument outer tube A16, logical cable formula signal transmission drilling rod
17, lead to cable formula rotation water feeder 18, aperture processing system A19, cutting wing 20, axial hydrophthalmia 21, radial hydrophthalmia 22, wear-resisting mirror
Piece 23, connection screw thread 24, rock stratum lead bit 25, near-bit geological information measurement module 26, short distance data short pass module 27,
Screw motor 28, short distance data reception module 29, space tracking measurement module B30, signal transmission module B31, without magnetic instrument
Outer tube B32, aperture processing system B33.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：
Referring to Fig. 1, once method is put in advanced region water body spy for a kind of dendritic directional drilling of roof multi-aquifer, including
Following steps：
Step 1：Water-bearing layer preservation information is detected with 3 development height of water flowing fractured zone is adopted.In mine stope
Drilling 4 is detected to wearing layer in 9 constructions one, and then the tripping in drill hole information synthesis detection system out of drilling, finds out that top plate is aqueous
The preservations information such as layer absolute altitude, thickness and top plate adopt 3 development height of water flowing fractured zone.
Step 2：5 Trajectory Design of dendritic directional drilling.According to water-bearing layer preservation information and adopt the development of water flowing fractured zone 3
Height carries out the design of dendritic directional drilling 5, dendritic directional drilling 5 from main aperture 6 and it is multiple on form to branched hole 7, wherein main aperture 6
It is arranged in lower water-bearing layer 1, and extends along lower water-bearing layer 1；On to branched hole 7 design 30~50m of spacing, athwart upper water-bearing layer
2, and whole hole absolute altitude adopts 3 development height of water flowing fractured zone more than top plate.
Step 3：5 main aperture 6 of dendritic directional drilling is constructed in lower water-bearing layer 1.Drill site 8 is set in 9 tunnel of working face, under
Enter with geosteering directional tool is bored, construct according to 5 main aperture of dendritic directional drilling, 6 planned course, in drilling process in real time
Drilling locus is measured, and identifies drilling strata lithology, controls dendritic directional drilling 5 along planned course in lower water-bearing layer
Extend over long distances in 1；In drilling process a branch point is reserved every 30~50m.
Step 4：It constructs to branched hole 7 on upper water-bearing layer 2.After the completion of main aperture 6 is constructed, brill is moved back from bottom hole to aperture, moves back brill
To reserved branch point, branch is opened using hanging sidetracking branch technique sidetracking is ground at a slow speed；After outputing branched hole, dip angle of hole is adjusted
Drilling passes through upper water-bearing layer 2, and adopts 3 development height of water flowing fractured zone more than top plate；It then proceedes to move back brill, until completing institute
It constructs to branched hole 7 on having.
Step 5：Water body is detected.When dendritic directional drilling 5 is constructed, drilling water yield and water outlet pressure are acquired in real time in aperture
Power illustrates not aqueous in top plate water-bearing layer if drilling is not discharged；If drilling water outlet, records EXIT POINT depth and its space rail
Mark parameter, and draw out water body distribution plane figure in top plate water-bearing layer, hydraulic pressure distribution isogram and water distribution isogram.
Step 6：Water body is unrestrained.When dendritic directional drilling 5 is constructed, if drilling water yield and discharge pressure are more than mine square gauge
Definite value, then it is unrestrained to stop to creep into row water body, until water yield and discharge pressure continue to construct after being less than mine square gauge definite value；If drilling out
Water and discharge pressure are less than mine square gauge definite value, then concentrate progress water body unrestrained behind complete hole.
Step 7：Working face 9 is exploited.If it is unrestrained to verify water body in not aqueous in top plate water-bearing layer or top plate water-bearing layer
Water yield and discharge pressure reach 9 mining conditions of working face afterwards, then 9 back production of operable face.
Referring to Fig. 1, the upper water-bearing layer 2, lower water-bearing layer 1, which are respectively positioned on roof, adopts water flowing fractured zone 3 and develops sky
Between in range；The upper water-bearing layer 2 can be one or more water-bearing layers.
Referring to Fig. 1, the layer of wearing detects 4 trepanning inclination angles of drilling more than 60 °, and whole hole absolute altitude ratio adopts water flowing fractured zone 3
The big 10m or more of development height calculated value.
Referring to Fig. 2, the dendritic directional drilling 5 is evenly arranged in groups in 9 top plate of working face, the spacing of wells be 30~
50m, horizontal segment laps one another between each group directional drilling；To branched hole 7 in dendritic row on the dendritic directional drilling 5
Row.
Referring to Fig. 1, the branch point method for obligating is, will be with 28 work of screw motor bored in geosteering directional tool
Tool is adjusted towards angle to 0 ° or so, and 6~9m of continuously slipping deflecting construction makes dip angle of hole increase 2 ° or more.
Referring to Fig. 3, the drill hole information synthesis detection system is by self-cleaning drill bit 10, night vision cam 11, geological information
Detecting module 12, power module 13, space tracking measurement module A14, signal transmission module A15, without magnetic instrument outer tube A16, logical
Cable formula signal transmission drilling rod 17, logical cable formula rotation water feeder 18 and aperture processing system A19 compositions, wherein the night vision camera
First 11 self illumination light source；Be equipped in geological information detecting module 12 can sensitive stratum natural radioactivity detection sensor；
1 acceleration transducer group and 1 Magnetic Sensor group are provided in space tracking measurement module A14, each sensor group is by 3
A mutually orthogonal sensor is constituted；Power module 13 is made of 3 battery packs, may respectively be night vision cam 11, geology letter
Cease detecting module 12 and the A14 power supplies of space tracking measurement module；Signal transmission module A15 is carried out using frequency multiplexing technique
Signal transmission；The night vision cam 11, geological information detecting module 12, power module 13, space tracking measurement module
A14, signal transmission module A15 are sequentially connected instrument string in group pore-forming, and in no magnetic instrument outer tube A16；It is described from
Clean drill bit 10 is sequentially connected without magnetic instrument outer tube A16, logical cable formula signal transmission drilling rod 17 and logical cable formula rotation water feeder 18,
Middle night vision cam 11 enters close to 10 one end of self-cleaning drill bit in self-cleaning drill bit 10.
Referring to Fig. 4, the self-cleaning drill bit 10 is loop configuration, and top is provided with multigroup cutting wing 20, flat with wing
Be arranged at intervals with axial hydrophthalmia 21 and radial hydrophthalmia 22 together, middle part be equipped with it is resistance to grind a lens 23, rear portion is provided with connection screw thread 24.
Referring to Fig. 3, Fig. 4, detects water-bearing layer preservation information using drill hole information synthesis detection system and adopt water producing fractures
3 development height method of band is as follows：Drill hole information synthesis detection system is connected, corrects 11 established angle of night vision cam, then
Drilling 4 is detected to wearing layer in tripping in；During tripping in, hole wall image information is detected using night vision cam 11, is believed using geology
Breath detecting module 12 detects the radioactivity on stratum within the scope of drilling radial direction 0.5m, is measured and is bored using space tracking measurement module A14
Hole three-dimensional track parameter；Then by signal transmission module A15 water is sent by logical cable formula signal transmission drilling rod 17 and the rotation of logical cable formula
Device 18 transmits a signal to outside hole；During tripping in, 23 is pasted if meeting stifled or resistance to grind a lens in hole, logical cable formula letter can be passed through
Number transmission drilling rod 17 supplies water into drilling, wherein the flow gone out in axial hydrophthalmia 21 is by tamper in cleaning hole, radial hydrophthalmia
The flow gone out in 22 will remove the resistance to sundries to grind a lens on 23, it is ensured that instrument normally casing into and night vision cam 11 are clearly clapped
It takes the photograph；The ground that aperture processing system A19 receives the video information of the shooting of night vision cam 11, geological information detecting module 12 is detected
After the drilling track three-dimensional coordinate that layer natural radiation value and space tracking measurement module A14 are measured, with the absolute altitude for each measuring point that drills
For the longitudinal axis, using stratum natural gamma radiation value and video information comprehensive analysis figure, the stratum natural gal that will be detected are drawn as horizontal axis
Horse emittance value carries out comparison identification stratum with Different Strata standard value and indicates water-bearing layer position, obtains drilling track geology and cuts open
Face figure and water-bearing layer preservation information；Hole wall cranny development quantity at different level is counted, obtains adopting water flowing fractured zone 3 and develops height
Degree.
Referring to Fig. 5, with brill geosteering directional tool by rock stratum lead bit 25, near-bit geological information measurement module
26, short distance data short pass module 27, screw motor 28, short distance data reception module 29, space tracking measurement module B30,
Signal transmission module B31, water feeder 18 and aperture are rotated without magnetic instrument outer tube B32, logical cable formula signal transmission drilling rod 17, logical cable formula
Processing system B33 composition, be wherein equipped in near-bit geological information measurement module 26 can sensitive stratum natural radioactivity spy
Sensor is surveyed, the formation information at the left and right positions 0.5m after drill bit is can measure；1 is provided in space tracking measurement module B14
Acceleration transducer group and 1 Magnetic Sensor group, each sensor group are made of 3 mutually orthogonal sensors, can measure
Drilling track three-dimensional coordinate；Short distance data short pass module 27 is used to measurement data being transmitted to low coverage across screw motor 28
From data reception module 29, and together with the drilling trajectory parameters that space tracking measurement module B30 measurements obtain, passed by signal
Defeated module B31 is letter with logical cable formula signal transmission drilling rod 17 and logical cable formula rotation water feeder 18 using carrier signal transmission mode
Number transmission channel passes to aperture processing system B33, is shown after being handled via aperture processing system B33, obtains real boring ground
Layer lithology and and planned course deviation, regulate and control reference frame for construction personnel's drilling track, it is ensured that drilling along planned course and
Stratum is designed over long distances to extend.
Although lower water-bearing layer 1, upper water-bearing layer 2 is used more herein, adopts water flowing fractured zone 3, wear layer and detect drilling
4, dendritic directional drilling 5, main aperture 6, on to branched hole 7, drill site 8, working face 9, self-cleaning drill bit 10, night vision cam 11, geology
Information detection module 12, power module 13, space tracking measurement module A14, signal transmission module A15, without magnetic instrument outer tube
A16, logical cable formula signal transmission drilling rod 17, logical cable formula rotation water feeder 18, aperture processing system A19, cutting wing 20, axial water
Eye 21, radial hydrophthalmia 22, the resistance to 23, connection screw thread 24 that grinds a lens, rock stratum lead bit 25, near-bit geological information measurement module
26, short distance data short pass module 27, screw motor 28, short distance data reception module 29, space tracking measurement module B30,
Signal transmission module B31, without terms such as magnetic instrument outer tube B32, aperture processing system B33, but be not precluded using other terms
Possibility.The use of these items is only for more easily describe and explain the essence of the present invention；It is construed as appointing
How a kind of additional limitation is all disagreed with spirit of that invention.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. method is put in a kind of advanced region water body spy of the dendritic directional drilling of top plate multi-aquifer, which is characterized in that including：
Information exploration steps detect water-bearing layer preservation information and adopt water flowing fractured zone (3) development height；
Drilling design step includes dendritic directional drilling (5) according to probe result design, and the dendritic directional drilling (5) includes
The main aperture (6) that extends along lower water-bearing layer (1) and water flowing fractured zone is adopted more than top plate across upper water-bearing layer (2) and whole hole absolute altitude
(3) development height on to branched hole (7)；
Main aperture construction procedure, the main aperture (6) for dendritic directional drilling (5) of constructing；
Branch hole construction procedure, to branched hole (7), acquisition drilling water yield and discharge pressure on dendritic directional drilling (5) of constructing
And it is unrestrained according to water yield and/or discharge pressure progress water body；
Back production construction procedure is verified the unrestrained rear water yield of water body in not aqueous in top plate water-bearing layer or top plate water-bearing layer and is gone out
Water pressure reaches working face (9) mining conditions, then operable face (9) back production.
2. method is put in the advanced region water body spy of a kind of dendritic directional drilling of top plate multi-aquifer according to claim 1,
It is characterized in that, described information exploration steps include：In mine, stope (9) constructs and detects drilling to wearing layer on one
(4), the then tripping in drill hole information synthesis detection system out of drilling, find out the preservations information such as top plate water-bearing layer absolute altitude, thickness and
Top plate adopts water flowing fractured zone (3) development height.
3. method is put in the advanced region water body spy of a kind of dendritic directional drilling of top plate multi-aquifer according to claim 2,
It is characterized in that, the layer of wearing detects drilling (4) trepanning inclination angle more than 60 °, and whole hole absolute altitude ratio adopts water flowing fractured zone (3) development
The big 10m or more of height calculated value.
4. method is put in the advanced region water body spy of a kind of dendritic directional drilling of top plate multi-aquifer according to claim 1,
It is characterized in that, the main aperture construction procedure includes：Drill site (8) is set in working face (9) tunnel, and tripping in is fixed with geosteering is bored
It to drilling tool, constructs according to dendritic directional drilling (5) main aperture (6) planned course, it is several to measure drilling in drilling process in real time
What track, and identify drilling strata lithology, control dendritic directional drilling (5) grown in lower water-bearing layer (1) along planned course away from
From extension；In drilling process a branch point is reserved every predetermined space.
5. method is put in the advanced region water body spy of a kind of dendritic directional drilling of top plate multi-aquifer according to claim 1,
It is characterized in that, branch hole construction procedure includes：After the completion of main aperture (6) construct, brill is moved back from bottom hole to aperture, move back be drilled into it is reserved
Branch point opens branch using hanging sidetracking branch technique sidetracking is ground at a slow speed；After outputing branched hole, adjustment dip angle of hole drilling,
Water flowing fractured zone (3) development height is adopted across upper water-bearing layer (2), and more than top plate；It then proceedes to move back brill, until completing all
On to branched hole (7) construct.
6. method is put in the advanced region water body spy of a kind of dendritic directional drilling of top plate multi-aquifer according to claim 1,
It is characterized in that, the main aperture construction procedure and branch hole construction procedure include：When dendritic directional drilling (5) construct, in hole cause for gossip
When acquisition drilling water yield and discharge pressure illustrate not aqueous in top plate water-bearing layer if drilling is not discharged；If drilling water outlet, note
The lower EXIT POINT depth of record and its space tracking parameter, and draw out water body distribution plane figure in top plate water-bearing layer, hydraulic pressure distribution etc.
It is worth line chart and water distribution isogram.
7. method is put in the advanced region water body spy of a kind of dendritic directional drilling of top plate multi-aquifer according to claim 1,
It is characterized in that, the main aperture construction procedure and branch hole construction procedure include：When dendritic directional drilling (5) construct, if drilling out
Water and discharge pressure are more than mine square gauge definite value, then it is unrestrained to stop to creep into row water body, until water yield and discharge pressure are less than mine side
Continue to construct after specified value；If drilling water yield and discharge pressure are less than mine square gauge definite value, progress water body is concentrated to dredge behind complete hole
It puts.
8. method is put in the advanced region water body spy of a kind of dendritic directional drilling of top plate multi-aquifer according to claim 1,
Be characterized in that, the dendritic directional drilling (5) is evenly arranged in groups in working face (9) top plate, the spacing of wells be 30~
50m, horizontal segment laps one another between each group directional drilling；To branched hole (7) in dendritic on the dendritic directional drilling (5)
Arrangement.
9. a kind of drill hole information synthesis detection system, which is characterized in that including：By self-cleaning drill bit (10), night vision cam (11),
Geological information detecting module (12), power module (13), space tracking measurement module A (14), signal transmission module A (15), nothing
Magnetic instrument outer tube A (16), logical cable formula signal transmission drilling rod (17), logical cable formula rotation water feeder (18) and aperture processing system A
(19), wherein described night vision cam (11) the self illumination light source；Being equipped in geological information detecting module (12) can be sensitive
The radioactive detection sensor of stratum natural；Setting acceleration transducer group and magnetic sensing in space tracking measurement module A (14)
Device group, each sensor group are made of 3 mutually orthogonal sensors；Power module (13) is made of 3 battery packs, can be divided
It Wei not night vision cam (11), geological information detecting module (12) and space tracking measurement module A (14) power supplies；Signal transmission mould
Block A (15) carries out signal transmission using frequency multiplexing technique；The night vision cam (11), geological information detecting module
(12), power module (13), space tracking measurement module A (14), signal transmission module A (15) are sequentially connected instrument in group pore-forming
String, and in no magnetic instrument outer tube A (16)；The self-cleaning drill bit (10), without magnetic instrument outer tube A (16), logical cable formula letter
Number transmission drilling rod (17) and logical cable formula rotation water feeder (18) are sequentially connected, and wherein night vision cam (11) is close to self-cleaning drill bit
(10) one end, and enter in self-cleaning drill bit (10).
It is visited 10. a kind of system using described in claim 9 carries out the advanced region water body of the dendritic directional drilling of top plate multi-aquifer
Put method, which is characterized in that including：Water-bearing layer preservation information is detected using the drill hole information synthesis detection system to lead with adopting
Water fissure zone (3) development height, design include the main aperture (6) extended along lower water-bearing layer (1) and pass through upper water-bearing layer (2) and whole
Hole absolute altitude be more than top plate adopt water flowing fractured zone (3) development height on to branched hole (7) dendritic directional drilling (5)；Institute
Drilling water yield and discharge pressure are acquired when stating branched hole (7) construction and water body is carried out according to water yield and/or discharge pressure dredges
It puts.
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| CN114033382A (en) * | 2021-08-17 | 2022-02-11 | 国家能源投资集团有限责任公司 | Water retention and dew mining process based on aquifer transformation |
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