CN111764855A - Near-horizontal continuous directional coring advanced geological exploration system and method - Google Patents
Near-horizontal continuous directional coring advanced geological exploration system and method Download PDFInfo
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- CN111764855A CN111764855A CN202010492124.1A CN202010492124A CN111764855A CN 111764855 A CN111764855 A CN 111764855A CN 202010492124 A CN202010492124 A CN 202010492124A CN 111764855 A CN111764855 A CN 111764855A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 176
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000005259 measurement Methods 0.000 claims abstract description 33
- 238000010276 construction Methods 0.000 claims abstract description 13
- 239000011435 rock Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 29
- 238000004891 communication Methods 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 15
- 241001449342 Chlorocrambe hastata Species 0.000 claims description 12
- 238000010248 power generation Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 8
- 239000008400 supply water Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000009530 blood pressure measurement Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 abstract description 5
- 238000012937 correction Methods 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000009351 contact transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000036544 posture Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- 238000012876 topography Methods 0.000 description 1
- 238000012795 verification 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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/16—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors for obtaining oriented cores
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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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/08—Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
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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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated 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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
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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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/10—Formed core retaining or severing means
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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
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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Abstract
A near-horizontal continuous directional coring advanced geological exploration system and method utilize an inclinometry core drill to carry out drilling track inclinometry, core sampling and power supply and control of an while-drilling deviation correction drill; the drilling track is regulated and controlled by using a drilling deviation correcting drill while drilling, so that the core drilling hole is ensured to extend along the designed track; the mud pump, the water feeder, the winch, the horizontal hydraulic conveying device and the horizontal hydraulic salvaging device are utilized to carry out nearly horizontal salvaging and lowering of the inclination measuring core drill, so that the rapid extraction and continuous sampling of the rock core are realized; therefore, the invention integrates the advantages of directional drilling process trajectory regulation and control while drilling and efficient and rapid coring of a rope coring process, solves the problems of near-horizontal salvage and lowering, inclination measurement while drilling, inclination correction while drilling and the like, realizes the simultaneous implementation of coring drilling and accurate regulation of the drilling trajectory, improves the accuracy, exploration distance and efficiency of advanced geological exploration, reduces the construction cost, and is suitable for advanced geological exploration and geological forecast of various well and tunnel projects such as highway tunnels, railway tunnels, mine tunnels and the like.
Description
Technical Field
The invention relates to the technical field of geological exploration, in particular to a near-horizontal continuous directional coring advanced geological exploration system and a near-horizontal continuous directional coring advanced geological exploration method.
Background
The ground highway tunnel, railway tunnel, mine tunnel and other various well and tunnel projects are important foundations for constructing highways, railways and mining activities, geological exploration is required before design, advanced geological forecast and geological abnormal body verification and treatment are required in construction, reasonable design of the well and tunnel projects is ensured, and construction safety is guaranteed.
Drilling is an important technical means for advanced geological exploration, and at present, two modes of ground straight hole exploration and tunnel near-horizontal borehole exploration are mainly adopted. But has the following disadvantages: firstly, the shaft tunnel engineering is generally arranged in a nearly horizontal mode and is vertical to a ground straight hole, so that the ground straight hole can only carry out single-point investigation on the shaft tunnel engineering, and the effective hole section is short, the utilization rate is low and the cost is high; secondly, a ground drilling field is required to be arranged for ground straight hole exploration, the ground drilling field is greatly influenced by the topography of the terrain and the arrangement of the ground drilling field in complex terrain areas such as mountainous areas, rivers and the like is difficult, so that the exploration distance is too large, and the exploration precision is insufficient; thirdly, the capability of drilling equipment for exploring the drill hole in the near-horizontal direction of the tunnel is generally insufficient, and the depth of the exploration drill hole is limited and generally does not exceed 500 m; at present, the conventional rotary drilling process is mainly adopted for construction of ground straight holes and tunnel near-horizontal holes, the drilling track cannot be accurately measured and controlled, the exploration precision is low, and the effectiveness of an exploration result is difficult to guarantee.
Although the directional drilling technology can realize the accurate regulation and control of the drilling track, the used deflecting drilling tool is mainly a screw motor and limited by the structure of the machine tool, and can only carry out comprehensive drilling construction and cannot carry out core sampling.
Therefore, in view of the above drawbacks, the present inventors have conducted extensive research and design to overcome the above drawbacks by designing and developing a near-horizontal continuous directional coring advanced geological exploration system and method based on the experience and results of related industries for a long period of time.
Disclosure of Invention
The invention aims to provide a near-horizontal continuous directional coring advanced geological exploration system and a near-horizontal continuous directional coring advanced geological exploration method, which can solve the technical problems of short exploration distance, low exploration drilling track control precision and low exploration efficiency in the conventional advanced geological exploration of roadway and tunnel engineering, improve the accuracy, exploration distance and efficiency of advanced geological exploration and reduce the construction cost.
In order to achieve the purpose, the invention discloses a near-horizontal continuous directional coring advanced geological exploration system, which comprises a mud pump, a water feeder, a coring drill rod, a positioning drill rod, a drilling tool for correcting inclination while drilling, a coring bit and a winch connected with the water feeder through a steel wire rope, and is characterized in that:
positioning drill rod and correcting while drilling are equipped with deviational survey in the drilling tool and get core drilling tool and core stuck device, wherein are provided with the positioning groove that fixed deviational survey was got core drilling tool and was used in the positioning drill rod, it is the loop configuration to get the core drill bit, the deviational survey is got the core drilling tool including the positioner that connects gradually, along with boring fixed point deviational survey device, number electricity transmission device and core barrel, the core barrel is hollow structure, positioner is including the positioning bin and the positioning connection head that connect gradually, be equipped with the locating component who stretches into in the positioning groove in order to realize the location that can stretch into in the positioning bin.
Wherein: the locating component comprises a movable shaft, one end of the movable shaft extends out of the locating bin and is connected with the spearhead, a middle flange which slides front and back on the inner wall of the locating bin is arranged in the middle of the movable shaft, a first spring is installed between the front side of the middle flange and the locating bin, the other end of the movable shaft is hinged to one end of each of two locating connecting rods through a pin shaft, the other end of each of the two locating connecting rods is hinged to one end of each of two locating rods through a pin shaft, and the other end of each of the two locating rods is hinged to the middle of the locating bin through a pin shaft.
Wherein: the fixed point inclinometry device along with boring is including the joint under the inclinometry that connects gradually goes up connector, pressure measurement joint, inclinometry outer tube and inclinometry, install by the fixed female coaxial connector of first lock nut in the joint under the inclinometry, still be connected with and visit the pipe skeleton, visit and install inclination sensor, azimuth sensor on the pipe skeleton, go up to communication module, measurement control module and communication module down, still install the charging source module in the inclinometry outer tube.
Wherein: the pressure measuring connector is characterized in that an axial half through hole, an axial through hole and a radial half through hole are formed in the pressure measuring connector, the axial half through hole is communicated with the radial half through hole and is connected with a pressure sensor, a spiral cable line penetrates through the axial through hole, one end of the spiral cable line is connected with a plug connector, and the other end of the spiral cable line is connected with a charging power supply module and an upward communication module.
Wherein: the digital electric transmission device comprises a digital electric upper connector, a digital electric outer pipe and a digital electric lower connector which are sequentially connected, wherein a digital electric framework positioned in the digital electric outer pipe is connected to the digital electric lower connector, and a primary side of a rotary transformer, a digital electric control module, a signal receiving module, a voltage-regulating energy-storing module and a magnetic power generation device are arranged on the digital electric framework; and a turbine assembly is arranged on the outer side of the electricity counting outer pipe corresponding to the magnetic power generation device.
Wherein: the electric upper connecting head is provided with a male coaxial connector fixed by a second locking nut; the electric upper connector is connected with the inclination measuring lower connector on the fixed-point inclination measuring device while drilling, and after connection is completed, the male coaxial connector is conducted with the female coaxial connector.
Wherein: the drilling deviation correcting drill comprises a rotating rod; the one end outer fringe of rotary rod is provided with the boss in order to carry out the axial spacing, the outside of rotary rod is provided with the fixed storehouse that is supported by the rotary seal bearing of two relative settings, install secondary limit of rotary transformer, drive control circuit and three rotatory supporting component of group in the fixed storehouse.
Wherein: the three groups of rotating assemblies are arranged at intervals along the circumferential direction, each rotating assembly comprises a stepping motor, a transmission shaft, supporting wings and supporting seats, and each supporting seat is hinged to one end of each supporting wing through a pin shaft; the other end of each support wing is connected with a transmission shaft through a pin shaft, and each transmission shaft is respectively connected with a telescopic rod of one stepping motor through a pin shaft.
Wherein: the nearly horizontal continuous directional coring advanced geological exploration system further comprises a horizontal hydraulic conveying device and a horizontal hydraulic salvaging device, wherein the horizontal hydraulic conveying device comprises a conveying joint, a conveying plug and a pushing bin which are sequentially connected, the conveying plug is fusiform and is internally provided with an axial half through hole, a radial half through hole and a piston cavity which are mutually communicated, a piston shaft is arranged in the piston cavity, a second spring is arranged between the piston shaft and the pushing bin, the extending end of the piston shaft is simultaneously connected to one ends of two pushing connecting rods through a pin shaft, the other ends of the two pushing connecting rods are respectively connected with one ends of two pushing hooks through pin shafts, and the other ends of the two pushing hooks are arranged in the pushing bin through pin shafts; the horizontal hydraulic fishing device comprises a fishing plug and a fishing bin which are sequentially connected, wherein the fishing plug is fusiform and is internally provided with a fishing shaft; one end of the salvaging shaft penetrates out of the salvaging plug to be connected with the salvaging connector, the other end of the salvaging shaft enters into the salvaging bin and is simultaneously connected with one ends of two salvaging connecting rods through pin shafts, the other ends of the two salvaging connecting rods are respectively connected with one ends of two salvaging hooks through pin shafts, and the other ends of the two salvaging hooks are arranged in the middle of the salvaging bin through pin shafts.
Also discloses a near-horizontal continuous directional coring advanced geological exploration method, which is characterized by comprising the following steps:
the method comprises the following steps: the drilling tool is lowered, and the core bit, the rock core breaker, the while-drilling deviation correcting drilling tool, the positioning drill rod and the core drill rod are sequentially connected and lowered into a core drilling hole;
step two: the inclination measuring core drilling tool is lowered, a positioning device, a fixed-point inclination measuring device while drilling, a digital transmission device and a rock core pipe are sequentially connected, then the rock core drilling tool is placed into a core drilling rod, a slurry pump and a winch are started, and the slurry pump is used for providing high-pressure water through a water feeder to push the inclination measuring core drilling tool to move to the bottom of a hole;
step three: directional coring drilling, starting a slurry pump to supply water into the hole, driving a rotary rod and a coring bit to be inclined to a designed track by a coring drill rod, and enabling a drilled cylindrical core to enter a core barrel; after the core barrel is full, stopping drilling, closing a slurry pump, lifting all drilling tools in the hole by about 10cm, and cutting off the core by a core cutter;
step four: fixed point inclination measurement, when the directional coring drilling is completed, starting the fixed point inclination measurement device while drilling to measure the track parameters of the inclination angle and the azimuth angle of the drill hole;
step five: salvaging the inclination measuring core drill, after finishing the fixed-point inclination measurement, dismounting the water feeder from the core drill rod, and taking out the inclination measuring core drill;
step six: analyzing inclination measurement data and evaluating geology, namely dismounting a positioning device from an inclination measurement core drill, reading drilling track parameters measured by a fixed point inclination measurement device while drilling by using an industrial personal computer, calculating an actual drilling track, making a control command of the inclination measurement drill while drilling by comparing the actual drilling track with a designed track, performing geological logging, and evaluating the current geological condition;
step seven: continuously and directionally coring, repeating the second step to the sixth step, and continuously and directionally coring; and after the designed hole depth is reached, all drilling tools in the hole are taken out, and the whole construction is completed.
From the above, the near-horizontal continuous directional coring advanced geological exploration system and method of the invention have the following effects:
1. the method for performing advanced geological exploration by using near-horizontal directional drilling and coring integrates the advantages of directional drilling process trajectory control while drilling and efficient and rapid coring of a rope coring process, the exploration distance can reach more than kilometers, the exploration precision can reach more than 5 thousandths of the drilling depth, continuous directional coring geological exploration is realized, the accuracy, exploration distance and efficiency of advanced geological exploration are improved, the construction cost is reduced, and a guarantee is provided for design and construction of various well and tunnel projects.
2. The inclination measurement and control of the drilling track, the rock core sampling and the power supply and control of the drilling tool during the drilling and inclination correction are carried out by adopting the inclination measurement core drilling tool, the drilling track is measured during the drilling by utilizing the fixed-point inclination measurement and pressure control based intermittent working technology, the working time of the fixed-point inclination measurement device during the drilling is prolonged, and a basis is provided for the drilling track control; by utilizing a turbine power generation technology and a rotary transformer signal and electric energy transmission technology, non-contact transmission of control instructions and electric energy is realized, the problem of short-distance signal and electric energy transmission between relative movement devices is solved, and a foundation is provided for accurate control of the drilling tool during drilling.
3. The drilling track is controlled by adopting the drilling deviation correcting drill tool, the working postures of the three supporting wings are adjusted in real time by utilizing the direct current motor, the accurate directional drilling during the rotary core drilling is realized, and the core drilling is ensured to extend along the designed track.
4. The mud pump, the water feeder, the winch, the horizontal hydraulic conveying device and the horizontal hydraulic salvaging device are adopted to solve the problem that the inclination measuring core drill bit is salvaged and lowered nearly horizontally, and the rapid extraction and continuous coring of the rock core are realized.
The details of the present invention can be obtained from the following description and the attached drawings.
Drawings
FIG. 1 is a schematic diagram of the present invention of a near-horizontal sequential directional coring advanced geological exploration system and method.
Fig. 2 shows a schematic structure of the positioning device of the present invention.
FIG. 3 shows a schematic structural diagram of the fixed-point inclinometer while drilling device according to the present invention.
Fig. 4 shows a schematic view of the structure of the digital electric transmission device of the present invention.
FIG. 5 shows a schematic structure of the deviation rectifying drilling tool while drilling in the present invention.
FIG. 6 shows the schematic structure of the section A-A of the deviation correcting drilling tool while drilling in the invention.
Fig. 7 shows a schematic structure of the horizontal hydraulic conveying device in the invention.
Fig. 8 shows a schematic view of the horizontal hydraulic fishing apparatus according to the present invention.
Reference numerals:
the device comprises a mud pump 1, a water feeder 2, a coring drill rod 3, a positioning drill rod 4, a drilling deviation correcting drill bit 5, a coring drill bit 6, a slope measuring coring drill bit 7, a core clipping device 8, a steel wire rope 9, a winch 10, a positioning device 11, a drilling fixed point slope measuring device 12, a digital electricity transmission device 13, a core pipe 1, a positioning bin 15, a positioning connector 16, a movable shaft 17, a spearhead 18, a first spring 19, a positioning connecting rod 20, a positioning rod 21, a slope measuring upper connector 22, a pressure measuring connector 23, a slope measuring outer pipe 24, a slope measuring lower connector 2, a first locking nut 26, a female coaxial connector 27, a probe pipe framework 28, an inclination angle sensor 29, an azimuth angle sensor 30, an upward communication module 31, a measurement control module 32, a downward communication module 33, a charging power supply module 34, a pressure sensor 35, a spiral cable 36, a plug connector 37, a digital electricity upper connector 38, a digital electricity outer pipe, The device comprises a digital lower connector 40, a digital electric framework 41, a primary side 42 of a rotary transformer, a digital electric control module 43, a signal receiving module 44, a rectification energy storage module 45, a magnetic power generation device 46, a turbine assembly 47, a second locking nut 48, a male coaxial connector 49, a rotary rod 50, a rotary sealing bearing 51, a fixed bin 52, a secondary side 53 of the rotary transformer, a driving control circuit 54, a stepping motor 55, a supporting seat 56, a supporting wing 57, a transmission shaft 58, a sealing pipe 59, a limiting block 60, a horizontal hydraulic conveying device 61, a conveying connector 62, a conveying plug 63, a pushing bin 64, a piston shaft 65, a second spring 66, a pushing connecting rod 67, a pushing hook 68, a horizontal hydraulic fishing device 69, a fishing plug 70, a fishing bin 71, a fishing shaft 72, a fishing connector 73, a fishing connecting rod 74, a third spring 75 and a fishing hook 76.
Detailed Description
Referring to fig. 1-8, a near-horizontal continuous directional coring advanced geological exploration system and method of the present invention is shown.
Referring specifically to fig. 1, nearly horizontal continuous directional coring advanced geological exploration system is including the slush pump 1, the water feeder 2 that connect gradually, coring drilling rod 3, location drilling rod 4, along with boring to rectify inclined drilling tool 5 and coring bit 6, be equipped with deviational survey coring drilling tool 7 and core trip 8 in location drilling rod 4 and the along boring to rectify inclined drilling tool 5, still be equipped with the winch 10 of being connected with water feeder 2 through wire rope 9, wherein be provided with the positioning groove that fixed deviational survey coring drilling tool 7 was used in the location drilling rod 4, coring bit 6 is the loop configuration, and coring drilling rod 3 is interior outer flat structure, realizes reliably sealed between wire rope 9 and the water feeder 2, and wire rope 9 can follow the water feeder 2 and slide back and forth. The inclination measurement core drill 7 comprises a positioning device 11, a fixed-point inclination measurement device 12 while drilling, an electric transmission device 13 and a core barrel 14 which are sequentially connected, wherein the core barrel 14 is of a hollow structure.
Referring to fig. 2, the positioning device 11 includes a positioning bin 15 and a positioning connector 16 connected in sequence, a positioning assembly is arranged in the positioning bin 15, the positioning assembly can telescopically extend into the positioning groove to realize positioning, the positioning assembly includes a movable shaft 17, one end of the movable shaft 17 extends out of the positioning bin 15 to be connected with a spearhead 18, a middle flange sliding back and forth on the inner wall of the positioning bin 15 is arranged in the middle of the movable shaft 17, a first spring 19 is arranged between the front side of the middle flange and the positioning bin 15, the other end of the movable shaft 17 is hinged to one end of two positioning connecting rods 20 through a pin shaft, the other end of each positioning connecting rod 20 is hinged to one end of each positioning rod 21 through a pin shaft, the other end of each positioning rod 21 is hinged to the middle of the positioning bin 15 through a pin shaft, and therefore the positioning connecting rods 20 can rotate around the pin shaft on the movable shaft 17, the positioning rod 21 is driven to rotate, when the positioning device 11 performs seat key, the movable shaft 17 moves backwards under the action of the first spring 19, the positioning connecting rod 20 is expanded outwards, and the positioning rod 21 is driven to expand outwards and positioned in the positioning groove of the positioning drill rod 4; when the spearhead 18 is pulled to move forward, the first spring 19 is compressed, the movable shaft 17 moves upwards, the positioning connecting rod 20 contracts inwards, and the positioning rod 21 is driven to contract inwards and is disengaged from the positioning groove of the positioning drill rod 4.
Referring to fig. 3, the fixed-point inclinometer device 12 while drilling includes an upper inclinometer connector 22, a pressure measuring connector 23, an outer inclinometer pipe 24, and a lower inclinometer connector 25, which are connected in sequence; a female coaxial connector 27 fixed by a first locking nut 26 is installed in the inclination measuring lower connector 25, the inclination measuring lower connector is also connected with a probe tube framework 28, an inclination angle sensor 29, an azimuth angle sensor 30, an upward communication module 31, a measurement control module 32 and a downward communication module 33 are installed on the probe tube framework 28, and a charging power supply module 34 is also installed in the inclination measuring outer tube 24; the pressure measuring joint 23 is provided with an axial half through hole, an axial through hole and a radial half through hole, the axial half through hole is communicated with the radial half through hole, and the axial half through hole is connected with a pressure sensor 35; a spiral cable 36 penetrates through the axial through hole, one end of the spiral cable 36 is connected with a plug connector 37, and the other end of the spiral cable 36 is connected with the charging power supply module 34 and the upward communication module 31; the upward communication module 31 can perform bidirectional data communication with an industrial personal computer through a plug connector 37, and the charging power supply module 34 can perform charging through the plug connector 37; the upper inclinometer connector 22 is connected with the positioning connector 16 of the positioning device 11.
Referring to fig. 4, the electric transmission device 13 includes a plurality of electric upper connectors 38, a plurality of electric outer tubes 39 and a plurality of electric lower connectors 40 connected in sequence; the electric power lower connector 40 is connected with an electric power skeleton 41 positioned in the electric power outer pipe 39, and the electric power skeleton 41 is provided with a primary side 42 of a rotary transformer, an electric power control module 43, a signal receiving module 44, a voltage-regulating energy-storing module 45 and a magnetic power generation device 46; a turbine assembly 47 is arranged on the outer side of the electricity counting outer tube 39 corresponding to the position of the magnetic power generation device 46; a male coaxial connector 49 fixed by a second locking nut 48 is arranged on the electric upper connector 38; the electric upper connectors 38 are connected with the inclination measuring lower connector 25 on the fixed-point inclination measuring while drilling device 12, and after the connection is completed, the male coaxial connector 49 is conducted with the female coaxial connector 27; the male coaxial connector 49 is in communication with the numerical control module 43 through a signal cable, and transmits a whipstock control command of the measurement control module 32 to the numerical control module 43.
Referring to fig. 5 and 6, the deviation rectifying drill while drilling 5 includes a rotating rod 50; a boss is arranged at the outer edge of one end of the rotating rod 50 to limit the axial direction, a fixed bin 52 supported by two opposite rotating seal bearings 51 is arranged outside the rotating rod 50, a secondary side 53 of a rotary transformer, a driving control circuit 54 and three groups of rotating support components are arranged in the fixed bin 52, the three groups of rotating components are arranged at intervals along the circumferential direction, each rotating component comprises a stepping motor 55, a transmission shaft 58, support wings 57 and support seats 56, and each support seat 56 is hinged to one end of one support wing 57 through a pin shaft; the other end of each support wing 57 is connected with a transmission shaft 58 through a pin shaft, each transmission shaft 58 is connected with a telescopic rod of one of the stepping motors 55 through a pin shaft, and the three groups of stepping motors 55, the transmission shafts 58, the support wings 57 and the support seats 56 are arranged at intervals of 120 degrees along the radial direction of the fixed bin 52; the outer side of the fixed bin 52 is sealed by a sealing tube 59, and is positioned by a limiting block 60 arranged at the outer edge of the other end of the rotating rod 50, and the other end of the rotating rod 50 can also be provided with a positioning step for installing the rock core breaker 8.
Referring to fig. 7, the near-horizontal continuous directional coring advanced geological exploration system may further comprise a horizontal hydraulic transport 61, the conveying plug 63 is integrally spindle-shaped, the outer diameter of the conveying plug 63 is slightly smaller than the inner diameter of the coring drill rod 3, an axial half through hole, a radial half through hole and a piston cavity which are communicated with one another are formed in the conveying plug 63, a piston shaft 65 is installed in the piston cavity, the piston shaft 65 and the conveying plug 63 are sealed, the piston shaft 65 penetrates out of the axial through hole of the pushing bin 64 and enters the pushing bin 64, a second spring 66 is installed between the piston shaft 65 and the pushing bin 64, the extending end of the piston shaft 65 is simultaneously connected to one end of two pushing connecting rods 67 through a pin shaft, the other ends of the two pushing connecting rods 67 are respectively connected with one end of two pushing hooks 68 through pin shafts, and the other ends of the two pushing hooks 68 are installed in the middle of the pushing bin 64 through pin shafts; the pushing connecting rod 67 can rotate around the pin on the piston shaft 65 and drives the pushing hook 68 to rotate.
Referring to fig. 8, the near-horizontal continuous directional coring advanced geological exploration system may further comprise a horizontal hydraulic fishing device 69 comprising a fishing plug 70 and a fishing bin 71 connected in series; the fishing plug 70 is integrally spindle-shaped, the outer diameter of the fishing plug is slightly smaller than the inner diameter of the core drill rod 3, and a fishing shaft 72 is arranged inside the fishing plug; one end of the fishing shaft 72 penetrates through the fishing plug 70 to be connected with the fishing joint 73, the other end of the fishing shaft enters the fishing bin 71 and is simultaneously connected with one end of two fishing connecting rods 74 through a pin shaft, and a third spring 75 is arranged between the fishing shaft 72 and the fishing bin 71; the other ends of the two fishing connecting rods 74 are respectively connected with one ends of two fishing hooks 76 through pin shafts, and the other ends of the two fishing hooks 76 are arranged in the middle of the fishing bin 71 through pin shafts; the fishing link 74 is rotatable about a pin on the fishing shaft 72 and drives the fishing hook 76 in rotation.
The invention also discloses a near-horizontal continuous directional coring advanced geological exploration method, which can be realized by the system and comprises the following steps:
the method comprises the following steps: and (5) lowering the drilling tool. The core drill bit 6, the core breaking device 8, the while-drilling deviation correcting drilling tool 5, the positioning drill rod 4 and the core drill rod 3 are sequentially connected and are placed into a core drill hole.
Step two: and (5) lowering the inclination measuring core drill. The positioning device 11, the fixed-point inclination measuring device 12 while drilling, the digital transmission device 13 and the core barrel 14 are sequentially connected and then placed in the coring drill rod 3; a steel wire rope 9 penetrates through the water feeder 2 to be connected with a conveying joint 62 of a horizontal hydraulic conveying device 61, then the horizontal hydraulic conveying device 61 is placed into the coring drill rod 3, and the water feeder 2 is connected with the coring drill rod 3; starting the slurry pump 1 and the winch 10, supplying high-pressure water to the drilling tool in the hole through the water feeder 2 by using the slurry pump 1, enabling the high-pressure water to enter from the conveying plug 63, pushing the piston shaft 65 to move downwards, enabling the pushing connecting rod 67 to expand outwards, driving the pushing hook 68 to contract inwards, grabbing the spearhead 18 of the positioning device 11, enabling the high-pressure water to act on the conveying plug 63, pushing the horizontal hydraulic conveying device 61 and the inclination measuring core drilling tool 7 to move towards the bottom of the hole, and controlling the lowering speed by using the winch 10; when the inclination measuring core drill bit 7 reaches the bottom of the hole, the positioning device 11 is keyed in the groove of the positioning drill rod 4, the slurry pump 1 is closed, the piston shaft 65 is reset under the action of the second spring 66, the pushing connecting rod 67 is retracted inwards, the pushing hook 68 is driven to expand outwards, and the spearhead 18 of the positioning device 11 is released; pulling the horizontal hydraulic conveying device 61 upwards to the hole opening by using a winch 10; the winch 10 is turned off, the water feeder 2 is detached from the coring drill rod 3, the horizontal hydraulic conveying device 61 is removed from the hole, and then the water feeder 2 is connected with the coring drill rod 3.
Step three: and (5) directional core drilling. The fixed point inclination measuring device while drilling 12 transmits the set control instruction of the inclination correcting drilling tool while drilling 5 to the digital transmission device 13; the slurry pump 1 is started to supply water into the hole, the high-pressure water drives the turbine assembly 47 of the digital transmission device 13 to rotate, the turbine assembly is brought to the magnetic power generation device 46 to generate power, and the power is processed and stored by the integral pressure energy storage module 45; under the control of the digital control module 43, the primary side 42 of the rotary transformer transmits the control instruction and the electric energy of the drilling tool 5; after being received by the secondary side 53 of the rotary transformer on the while-drilling deviation correcting drilling tool 5, the driving control circuit 54 adjusts the states of the telescopic rods of the three stepping motors 55 according to the control instruction of the while-drilling deviation correcting drilling tool 5, so that part of the supporting wings 57 are unfolded on the hole wall of the core drilling hole, part of the supporting wings 57 are retracted, the fixed bin 52 does not rotate relative to the core drilling hole under the combined force action of the three supporting wings 57, and the rotary rod 50 forms a certain included angle relative to the core drilling hole and is deviated to the deviation correcting direction of the core drilling hole; under the rotation action of the drill hole drilling machine, the coring drill rod 3 is brought to the rotating rod 50 and the coring bit 6 to be inclined towards the designed track, and the drilled cylindrical core enters the core barrel 14; when the core barrel 14 is full, the drilling is stopped, the slurry pump 1 is turned off, all drilling tools in the hole are lifted by about 10cm, and the core is cut off by the core catcher 8.
Step four: and (5) fixed-point inclination measurement. The fixed-point inclinometer 12 monitors the water supply condition of the drilling hole in real time by using the pressure sensor 35 and is in a dormant state; when the directional coring drilling is completed, the pressure sensor 35 detects that the slurry pump 1 is turned off, the fixed point inclination measuring while drilling device 12 is started to measure track parameters such as a drill hole inclination angle and an azimuth angle, and after the data are stable, the fixed point inclination measuring while drilling device 12 enters a dormant state again.
Step five: and (5) salvaging the inclination measuring core drill. After the fixed-point inclination measurement is finished, the water feeder 2 is detached from the core taking drill rod 3; connecting a steel wire rope 9 with a fishing joint 73 of a horizontal hydraulic fishing device 69 after penetrating through a water feeder 2, then placing the horizontal hydraulic fishing device 69 into a coring drill rod 3, and connecting the water feeder 2 with the coring drill rod 3; the mud pump 1 and the winch 10 are opened, water is supplied to the drill hole through the water feeder 2 by the mud pump 1, and the horizontal hydraulic fishing device 69 is pushed to the bottom of the hole under the control of the winch 10; after the spearhead 18 enters the fishing bin 71, the spearhead 18 props open the fishing hook 76 under the pushing of the horizontal hydraulic fishing device 69, and the spring is compressed; when the spearhead 18 enters the fishing hook 76, the third spring 75 is reset, and the spearhead 18 is clamped by the fishing hook 76; the slurry pump 1 is closed, water supply is stopped, the horizontal hydraulic fishing device 69 is lifted outwards through the steel wire rope 9 on the winch 10, the positioning device 11 is separated from the positioning drill rod 4, and the inclination measuring core drill bit 7 is fished out and drilled; when the inclination measuring core drill 7 is pulled outwards, the fishing hook 76 tightly locks the spearhead 18 under the dual actions of the pulling force of the fishing joint 73 and the elastic force of the third spring 75, so that the inclination measuring core drill 7 is prevented from falling off; after the horizontal hydraulic fishing device 69 and the inclinometry core drill bit 7 are lifted to the hole opening, the winch 10 is closed, the water feeder 2 is detached from the coring drill rod 3, and the horizontal hydraulic fishing device 69 and the inclinometry core drill bit 7 are taken out.
Step six: and (4) analyzing the inclinometry data and evaluating the geology. Detaching the positioning device 11 from the inclination measuring core drill tool 7, connecting the fixed-point inclination measuring device 12 while drilling with an industrial personal computer through a plug-in connector 37, calculating a real drilling track after the industrial personal computer reads drilling track parameters measured by the industrial personal computer, making a control command of the deflecting drill tool while drilling by comparing the actual drilling track with a designed track, and writing the control command into the fixed-point inclination measuring device 12 while drilling; and simultaneously, the core tube 14 is detached from the inclination measuring core drill 7, the core in the core tube is poured out, and after the core tube is placed according to the hole depth sequence, geological record is carried out, and the current geological condition is evaluated.
And step seven, continuously and directionally coring. Repeating the second step to the sixth step, and performing continuous directional coring; and after the designed hole depth is reached, all drilling tools in the hole are taken out, and the whole construction is completed.
Therefore, the invention has the advantages that:
1. the method for performing advanced geological exploration by using near-horizontal directional drilling and coring integrates the advantages of directional drilling process trajectory control while drilling and efficient and rapid coring of a rope coring process, the exploration distance can reach more than kilometers, the exploration precision can reach more than 5 thousandths of the drilling depth, continuous directional coring geological exploration is realized, the accuracy, exploration distance and efficiency of advanced geological exploration are improved, the construction cost is reduced, and a guarantee is provided for design and construction of various well and tunnel projects.
2. The inclination measurement and control of the drilling track, the rock core sampling and the power supply and control of the drilling tool during the drilling and inclination correction are carried out by adopting the inclination measurement core drilling tool, the drilling track is measured during the drilling by utilizing the fixed-point inclination measurement and pressure control based intermittent working technology, the working time of the fixed-point inclination measurement device during the drilling is prolonged, and a basis is provided for the drilling track control; by utilizing a turbine power generation technology and a rotary transformer signal and electric energy transmission technology, non-contact transmission of control instructions and electric energy is realized, the problem of short-distance signal and electric energy transmission between relative movement devices is solved, and a foundation is provided for accurate control of the drilling tool during drilling.
3. The drilling track is controlled by adopting the drilling deviation correcting drill tool, the working postures of the three supporting wings are adjusted in real time by utilizing the direct current motor, the accurate directional drilling during the rotary core drilling is realized, and the core drilling is ensured to extend along the designed track.
4. The mud pump, the water feeder, the winch, the horizontal hydraulic conveying device and the horizontal hydraulic salvaging device are adopted to solve the problem that the inclination measuring core drill bit is salvaged and lowered nearly horizontally, and the rapid extraction and continuous coring of the rock core are realized.
Although mud pumps 1, water feeders 2, coring drill pipes 3, positioning drill pipes 4, while-drilling deviation correcting drill tools 5, coring bits 6, inclination measuring coring drill tools 7, core cutters 8, wire ropes 9, winches 10, positioning devices 11, while-drilling fixed point inclination measuring devices 12, digital electric transmission devices 13, core pipes 1, positioning bins 15, positioning connectors 16, movable shafts 17, lances 18, first springs 19, positioning links 20, positioning rods 21, inclination measuring upper connectors 22, pressure measuring connectors 23, inclination measuring outer pipes 24, inclination measuring lower connectors 2, first locking nuts 26, female coaxial connectors 27, probe pipe frames 28, inclination angle sensors 29, azimuth angle sensors 30, upward communication modules 31, measurement control modules 32, downward communication modules 33, charging power supply modules 34, pressure sensors 35, spiral cable lines 36, plug connectors 37, digital electric upper connectors 38, digital electric connectors, A digital outer tube 39, a digital lower connector 40, a digital skeleton 41, a primary side 42 of a rotary transformer, a digital control module 43, a signal receiving module 44, a voltage-rectifying energy-storing module 45, a magnetic power generation device 46, a turbine assembly 47, a second locking nut 48, a male coaxial connector 49, a rotary rod 50, a rotary sealing bearing 51, a fixed bin 52, a secondary side 53 of the rotary transformer, a driving control circuit 54, a stepping motor 55, a supporting seat 56 and a supporting wing 57, drive shaft 58, seal tube 59, stop block 60, horizontal hydraulic conveyance 61, conveyance joint 62, conveyance plug 63, push bin 64, piston shaft 65, second spring 66, push link 67, push hook 68, horizontal hydraulic fishing device 69, fishing plug 70, fishing bin 71, fishing shaft 72, fishing joint 73, fishing link 74, third spring 75, fishing hook 76, and the like, although the use of other terms is not precluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
It should be apparent that the foregoing description and illustrations are by way of example only and are not intended to limit the present disclosure, application or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention will include any embodiments falling within the foregoing description and the appended claims.
Claims (10)
1. The utility model provides a nearly horizontal directional advance geology exploration system of coring in succession, includes the slush pump that connects gradually, send hydrophone, get the core drilling rod, fix a position the drilling rod, along with boring the drilling tool of rectifying an incline and get the core drill bit, still includes the winch of being connected through wire rope and send hydrophone, its characterized in that:
positioning drill rod and correcting while drilling are equipped with deviational survey in the drilling tool and get core drilling tool and core stuck device, wherein are provided with the positioning groove that fixed deviational survey was got core drilling tool and was used in the positioning drill rod, it is the loop configuration to get the core drill bit, the deviational survey is got the core drilling tool including the positioner that connects gradually, along with boring fixed point deviational survey device, number electricity transmission device and core barrel, the core barrel is hollow structure, positioner is including the positioning bin and the positioning connection head that connect gradually, be equipped with the locating component who stretches into in the positioning groove in order to realize the location that can stretch into in the positioning bin.
2. The near-horizontal continuous directional coring advanced geological exploration system of claim 1, wherein: the locating component comprises a movable shaft, one end of the movable shaft extends out of the locating bin and is connected with the spearhead, a middle flange which slides front and back on the inner wall of the locating bin is arranged in the middle of the movable shaft, a first spring is installed between the front side of the middle flange and the locating bin, the other end of the movable shaft is hinged to one end of each of two locating connecting rods through a pin shaft, the other end of each of the two locating connecting rods is hinged to one end of each of two locating rods through a pin shaft, and the other end of each of the two locating rods is hinged to the middle of the locating bin through a pin shaft.
3. The near-horizontal continuous directional coring advanced geological exploration system of claim 1, wherein: the fixed point inclinometry device along with boring is including the joint under the inclinometry that connects gradually goes up connector, pressure measurement joint, inclinometry outer tube and inclinometry, install by the fixed female coaxial connector of first lock nut in the joint under the inclinometry, still be connected with and visit the pipe skeleton, visit and install inclination sensor, azimuth sensor on the pipe skeleton, go up to communication module, measurement control module and communication module down, still install the charging source module in the inclinometry outer tube.
4. The near-horizontal continuous directional coring advanced geological exploration system of claim 3, wherein: the pressure measuring connector is characterized in that an axial half through hole, an axial through hole and a radial half through hole are formed in the pressure measuring connector, the axial half through hole is communicated with the radial half through hole and is connected with a pressure sensor, a spiral cable line penetrates through the axial through hole, one end of the spiral cable line is connected with a plug connector, and the other end of the spiral cable line is connected with a charging power supply module and an upward communication module.
5. The near-horizontal continuous directional coring advanced geological exploration system of claim 1, wherein: the digital electric transmission device comprises a digital electric upper connector, a digital electric outer pipe and a digital electric lower connector which are sequentially connected, wherein a digital electric framework positioned in the digital electric outer pipe is connected to the digital electric lower connector, and a primary side of a rotary transformer, a digital electric control module, a signal receiving module, a voltage-regulating energy-storing module and a magnetic power generation device are arranged on the digital electric framework; and a turbine assembly is arranged on the outer side of the electricity counting outer pipe corresponding to the magnetic power generation device.
6. The near-horizontal continuous directional coring advanced geological exploration system of claim 5, wherein: the electric upper connecting head is provided with a male coaxial connector fixed by a second locking nut; the electric upper connector is connected with the inclination measuring lower connector on the fixed-point inclination measuring device while drilling, and after connection is completed, the male coaxial connector is conducted with the female coaxial connector.
7. The near-horizontal continuous directional coring advanced geological exploration system of claim 1, wherein: the drilling deviation correcting drill comprises a rotating rod; the one end outer fringe of rotary rod is provided with the boss in order to carry out the axial spacing, the outside of rotary rod is provided with the fixed storehouse that is supported by the rotary seal bearing of two relative settings, install secondary limit of rotary transformer, drive control circuit and three rotatory supporting component of group in the fixed storehouse.
8. The near-horizontal continuous directional coring advanced geological exploration system of claim 7, wherein: the three groups of rotating assemblies are arranged at intervals along the circumferential direction, each rotating assembly comprises a stepping motor, a transmission shaft, supporting wings and supporting seats, and each supporting seat is hinged to one end of each supporting wing through a pin shaft; the other end of each support wing is connected with a transmission shaft through a pin shaft, and each transmission shaft is respectively connected with a telescopic rod of one stepping motor through a pin shaft.
9. The near-horizontal continuous directional coring advanced geological exploration system of claim 1, wherein: the nearly horizontal continuous directional coring advanced geological exploration system further comprises a horizontal hydraulic conveying device and a horizontal hydraulic salvaging device, wherein the horizontal hydraulic conveying device comprises a conveying joint, a conveying plug and a pushing bin which are sequentially connected, the conveying plug is fusiform and is internally provided with an axial half through hole, a radial half through hole and a piston cavity which are mutually communicated, a piston shaft is arranged in the piston cavity, a second spring is arranged between the piston shaft and the pushing bin, the extending end of the piston shaft is simultaneously connected to one ends of two pushing connecting rods through a pin shaft, the other ends of the two pushing connecting rods are respectively connected with one ends of two pushing hooks through pin shafts, and the other ends of the two pushing hooks are arranged in the pushing bin through pin shafts; the horizontal hydraulic fishing device comprises a fishing plug and a fishing bin which are sequentially connected, wherein the fishing plug is fusiform and is internally provided with a fishing shaft; one end of the salvaging shaft penetrates out of the salvaging plug to be connected with the salvaging connector, the other end of the salvaging shaft enters into the salvaging bin and is simultaneously connected with one ends of two salvaging connecting rods through pin shafts, the other ends of the two salvaging connecting rods are respectively connected with one ends of two salvaging hooks through pin shafts, and the other ends of the two salvaging hooks are arranged in the middle of the salvaging bin through pin shafts.
10. A near-horizontal continuous directional coring advanced geological exploration method is characterized by comprising the following steps:
the method comprises the following steps: the drilling tool is lowered, and the core bit, the rock core breaker, the while-drilling deviation correcting drilling tool, the positioning drill rod and the core drill rod are sequentially connected and lowered into a core drilling hole;
step two: the inclination measuring core drilling tool is lowered, a positioning device, a fixed-point inclination measuring device while drilling, a digital transmission device and a rock core pipe are sequentially connected, then the rock core drilling tool is placed into a core drilling rod, a slurry pump and a winch are started, and the slurry pump is used for providing high-pressure water through a water feeder to push the inclination measuring core drilling tool to move to the bottom of a hole;
step three: directional coring drilling, starting a slurry pump to supply water into the hole, driving a rotary rod and a coring bit to be inclined to a designed track by a coring drill rod, and enabling a drilled cylindrical core to enter a core barrel; after the core barrel is full, stopping drilling, closing a slurry pump, lifting all drilling tools in the hole by about 10cm, and cutting off the core by a core cutter;
step four: fixed point inclination measurement, when the directional coring drilling is completed, starting the fixed point inclination measurement device while drilling to measure the track parameters of the inclination angle and the azimuth angle of the drill hole;
step five: salvaging the inclination measuring core drill, after finishing the fixed-point inclination measurement, dismounting the water feeder from the core drill rod, and taking out the inclination measuring core drill;
step six: analyzing inclination measurement data and evaluating geology, namely dismounting a positioning device from an inclination measurement core drill, reading drilling track parameters measured by a fixed point inclination measurement device while drilling by using an industrial personal computer, calculating an actual drilling track, making a control command of the inclination measurement drill while drilling by comparing the actual drilling track with a designed track, performing geological logging, and evaluating the current geological condition;
step seven: continuously and directionally coring, repeating the second step to the sixth step, and continuously and directionally coring; and after the designed hole depth is reached, all drilling tools in the hole are taken out, and the whole construction is completed.
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