CN116752899A - Coiled tubing drilling underground system convenient to move and position - Google Patents

Abstract

The invention discloses a coiled tubing drilling downhole system convenient to move and position, which comprises a bottom plate, wherein four through grooves are formed in the bottom of the bottom plate in a penetrating manner, four universal wheels are arranged at the bottom of the bottom plate, a handle is fixed on one side of the top of the bottom plate, a support frame is arranged above the bottom plate, four square tubes are fixed on the support frame, positioning and stabilizing assemblies are arranged in the four square tubes, a traction roller is connected in the support frame in a rotating manner, and a first motor is fixed on one side of the support frame. This coiled tubing well drilling underground system of convenient removal location through the setting of automatic soil ramming mechanism, has realized dividing soil and rubble to the drilling well head both sides and has carried out automatic ramming, cooperatees the linkage with automatic soil subassembly that divides, has avoided loose soil and rubble around the drilling well head to slide into in the well drilling to the efficiency of well drilling has been promoted.

Description

Coiled tubing drilling underground system convenient to move and position

Technical Field

The invention relates to the technical field of petroleum exploration, in particular to a coiled tubing drilling underground system convenient to move and position.

Background

The continuous oil pipe well drilling has the characteristics of no joint or reducing, small size, large curvature, continuous lifting, high strength, high pressure resistance, dynamic sealing and the like, provides a scientific, advanced and safe technology for well drilling, is very widely applied to oil field well drilling, improves the oil gas exploitation amount in the redevelopment and utilization of an oil well, improves the economic benefit of oil field enterprises, and has very high economic value.

Referring to China patent, a coiled tubing electric drilling device (publication No. CN111441720A, publication No. 2020-07-24) solves the problems that the existing coiled tubing and positive displacement screw motor drilling technology can accurately use a reservoir, but is easily limited by displacement of the positive displacement screw motor, and the positive displacement screw motor has pressure drop, so that circulating pressure is overlarge, large displacement of circulating drilling fluid is not possible, and when the coiled tubing works in a large shaft, the annular return speed of the drilling fluid is too low, drill cuttings cannot be carried, and the application range of the coiled tubing is greatly limited, but the existing coiled tubing drilling system still has the following defects:

(1) The existing coiled tubing drilling system has two types of cables and wireless systems, wherein the cost of the cables is high, the maintenance is difficult, the requirements on the use environment are high, and the wireless system cannot meet the increasingly-rising operation requirements at present, such as high build rate, high operation timeliness and long service life of underground equipment;

(2) After the drilling equipment drills, drilled soil and broken stone can be piled up around the drilling, if the soil and the broken stone are not treated, the soil and the broken stone can be piled up more and higher and finally flow into the drilling, the drilling is buried, the drilling efficiency is affected, and the equipment for automatically treating the soil is lack for efficiently treating the soil and the broken stone;

(3) The existing drilling equipment is inconvenient to position and stable during drilling, and is large in shaking and unstable during the working of the equipment in the drilling process, so that deviation of the drilling position is easy to occur;

for this purpose we propose a coiled tubing drilling downhole system that facilitates mobile positioning to solve the above-mentioned problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a coiled tubing drilling downhole system convenient to move and position, and solves the technical problems in the background art.

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a coiled tubing drilling underground system convenient to remove location, includes the bottom plate, four logical grooves have been run through to the bottom of bottom plate, the bottom of bottom plate is provided with four universal wheels, one side at bottom plate top is fixed with the handlebar, the top of bottom plate is provided with the support frame, be fixed with four square pipes on the support frame, four the inside of square pipe all is provided with location steady component, the inside rotation of support frame is connected with the pull roll, one side of support frame is fixed with first motor, the output of first motor is fixed with one side of pull roll, one side at bottom plate top is fixed with two montants, two sliding connection has the movable frame between the opposite sides of montant, two rotate between the top of montant and be connected with the rotor, pull roll and rotor pass through the haulage rope transmission and connect, the top of movable frame is fixed with the pull ring, the one end and the binding of haulage rope are installed connector, ma Datou assembly, pole, three-dimensional stabilizer, continuous directional oil pipe, directional tool, orientation tool, two automatic soil hammer drill bit, automatic indexing mechanism are installed to the bottom plate, two drilling tool sets up one side are provided with automatic soil.

Preferably, ma Datou assembly provides single flow valve, release, bypass circulation functions.

Preferably, the three-dimensional stabilizer maintains the stability of weight on bit and torque through the interaction of the internal spring and the spiral body, prolongs the service life of the drill bit, protects the ground equipment and improves the drilling efficiency.

Preferably, the coiled tubing directional indexing tool is a special tool for adjusting the tool face so as to directionally drill according to the design track.

Preferably, the titanium alloy drill rod (built-in wireless measurement while drilling and logging instrument) provides a non-magnetic environment, accurately measures the azimuth, and selects titanium alloy drill rods with different specifications according to the requirement of the slope.

Preferably, the automatic ramming mechanism comprises a vertical plate fixed at the top of the bottom plate, an L-shaped groove is formed in one side of the vertical plate in a penetrating mode, trapezoidal strips are fixed above and below one side of the vertical plate, a moving plate is connected to one side of the vertical plate in a sliding mode, inclined planes are arranged at the top and the bottom of the moving plate, the top and the bottom of the moving plate are connected with the inclined planes of the two trapezoidal strips in a sliding mode, and a chute is formed in one side of the moving plate in a penetrating mode.

Preferably, one side sliding connection of movable plate has the movable rod, the one end of movable rod is fixed with the movable column, the one end of movable column runs through chute and L type groove and extends to the outside in L type groove, the surface and the interior surface sliding connection in chute and L type groove of movable column, the bottom of movable rod is fixed with the dead lever.

Preferably, the top of dead lever runs through the movable rod and extends to the top of movable rod, the bottom mounting of dead lever has the rammer board, the top of bottom plate is fixed with the motor cabinet, one side of motor cabinet is fixed with the second motor, the output of second motor runs through the motor cabinet and extends to the opposite side of motor cabinet, the output of second motor is fixed with first bull stick, the one end of first bull stick is connected with the second bull stick through the pivot rotation, the one end of second bull stick is connected through the pivot rotation with one side of movable plate.

Preferably, the automatic soil dividing assembly comprises an L-shaped plate which is connected to the other side of the vertical plate in a sliding mode, an electric telescopic rod is fixed to the bottom of the L-shaped plate, a soil dividing plate is fixed to one side of the moving plate, a mounting plate is fixed to one side of the soil dividing plate, the output end of the electric telescopic rod is fixed to the top of the mounting plate, and the ramming plate is connected to one side of the soil dividing plate in a sliding mode.

Preferably, the positioning and stabilizing assembly comprises a fixed block fixed inside the square pipe, a threaded rod is connected to the inner surface of the fixed block in a threaded mode, and the top end of the threaded rod penetrates through the fixed block and extends to the top of the square pipe.

Preferably, the top end of the threaded rod is fixed with a rotating handle, and the bottom end of the threaded rod penetrates through the fixed block and extends to the outside of the fixed block.

Preferably, the bottom end of the threaded rod is fixedly provided with an earth-boring rod, the bottom end of the threaded rod is fixed with the top end of the earth-boring rod, and the bottom end of the earth-boring rod penetrates through the square tube and the through groove and extends to the lower side of the bottom plate.

Advantageous effects

The invention provides a coiled tubing drilling underground system convenient to move and position. Compared with the prior art, the method has the following beneficial effects:

(1) This coiled tubing well drilling underground system of convenient removal location through the setting of location firm subassembly, has realized the quick location firm to drilling equipment, through adjusting drilling parameter to make up the drilling acceleration instrument like hydraulic oscillator, three-dimensional stabilizer and further promote the stationarity of well drilling, make equipment work more stable in the well drilling process, through the setting of four universal wheels, realized the quick transport removal to drilling equipment, the flexibility is high, has promoted handling efficiency.

(2) According to the coiled tubing drilling underground system convenient to move and position, automatic tamping is carried out on soil and broken stones divided to two sides of the drilling wellhead through the arrangement of the automatic tamping mechanism, the automatic tamping mechanism is matched and linked with the automatic soil dividing assembly, loose soil and broken stones around the drilling wellhead are prevented from sliding into the drilling well, and therefore drilling efficiency is improved.

(3) The underground continuous oil pipe drilling system convenient to move and position realizes high build-up rate through the double-bending motor or the flexible motor, and is reasonable in structural design, convenient to operate and wide in adaptability through the motor head assembly, the weighting rod, the three-dimensional stabilizer, the continuous oil pipe directional indexing tool, the titanium alloy drill rod, the directional joint, the underground power drilling tool and the drill bit.

Drawings

FIG. 1 is a perspective view of an external structure of the present invention;

FIG. 2 is a side view of the external structure of the present invention;

FIG. 3 is a bottom view of the exterior structure of the present invention;

FIG. 4 is a partial structural perspective view of the present invention;

FIG. 5 is a cross-sectional view of a square tube according to the present invention;

FIG. 6 is a perspective view of an automatic soil splitting assembly and automatic ramming mechanism of the present invention;

FIG. 7 is an exploded view of the automatic soil splitting assembly and automatic soil compacting mechanism of the present invention.

In the figure: 1. a bottom plate; 2. a through groove; 3. a universal wheel; 4. a handlebar; 5. a support frame; 6. square tubes; 7. positioning the stabilizing component; 8. a traction roller; 9. a first motor; 10. a vertical rod; 11. a moving rack; 12. a rotating roller; 13. a traction rope; 14. a pull ring; 15. an automatic soil ramming mechanism; 16. an automatic soil dividing assembly; 17. a connector; 18. ma Datou assembly; 19. a weight bar; 20. a three-dimensional stabilizer; 21. a coiled tubing directional indexing tool; 22. a titanium alloy drill rod; 23. a directional joint; 24. a downhole motor; 25. a drill bit; 151. a riser; 152. an L-shaped groove; 153. a trapezoidal bar; 154. a moving plate; 155. a chute; 156. a moving rod; 157. a moving column; 158. a fixed rod; 159. a tamper plate; 1510. a motor base; 1511. a second motor; 1512. a first rotating lever; 1513. a second rotating rod; 161. an L-shaped plate; 162. an electric telescopic rod; 163. a soil dividing plate; 164. a mounting plate; 71. a fixed block; 72. a threaded rod; 73. rotating the handle; 74. and (5) drilling the soil rod.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The embodiment of the invention provides two technical schemes, which specifically comprise the following embodiments:

example 1

Referring to fig. 1-4, a coiled tubing drilling downhole system convenient for moving and positioning comprises a bottom plate 1, four through grooves 2 are formed in the bottom of the bottom plate 1 in a penetrating manner, four universal wheels 3 are arranged at the bottom of the bottom plate 1, a handle 4 is fixed on one side of the top of the bottom plate 1, a support frame 5 is arranged above the bottom plate 1, four square tubes 6 are fixed on the support frame 5, positioning and stabilizing assemblies 7 are arranged in the four square tubes 6, a traction roller 8 is rotatably connected to the support frame 5, a first motor 9 is fixed on one side of the support frame 5, the first motor 9 is a three-phase asynchronous motor and can perform forward and reverse rotation, is controlled by an external switch and is electrically connected with an external power supply, an output end of the first motor 9 is fixed on one side of the traction roller 8, two vertical rods 10 are fixed on one side of the top of the bottom plate 1, a movable frame 11 is connected between opposite sides of the two vertical rods 10 in a sliding manner, the rotary roller 12 is rotationally connected between the top ends of the two vertical rods 10, the traction roller 8 and the rotary roller 12 are in transmission connection through the traction rope 13, the pull ring 14 is fixed at the top of the movable frame 11, one end of the traction rope 13 is bound with the pull ring 14, the traction roller 8 can be driven to retract when the first motor 9 rotates forwards, the traction rope 13 drives the movable frame 11 to move upwards, the movable frame 11 is driven to move downwards when the traction rope rotates backwards, the drill bit 25 is convenient to drill after moving downwards, the connector 17, the motor head assembly 18, the weighting rod 19, the three-dimensional stabilizer 20, the coiled tubing directional indexing tool 21, the titanium alloy drill rod 22, the directional joint 23, the underground power drilling tool 24 and the drill bit 25 are sequentially arranged at the bottom of the movable frame 11 from top to bottom, the drill bit 25 is a tool for breaking rocks and forming a borehole in the drilling process, and the drill bit drives the rotary drilling through the underground power motor so as to drive the whole drill bit to perform centripetal movement, the rock is cracked and broken by aggressive cutting and grinding, so that the downward drilling effect is realized, a drilling mud lifting system is arranged on the ground, the drilling mud lifting system is used for lifting soil and drill cuttings from the bottom of the well to the ground, the rock cuttings in the well are circulated to the ground through mud, and the drilling depth is 3000 meters, and can reach more than 5000 meters at maximum; the system generally comprises a mud lift pump and a mud gas separator, wherein the mud lift pump pumps soil and drill cuttings to the ground through pressure, the mud gas separator is used for separating gas and solid particles, safe treatment is ensured, the types of drill bits used in the petroleum industry at present are more, the drill bits can be divided into PDC drill bits, roller cone drill bits, scraper drill bits and the like, the downhole power drilling tool 24 is an oriented deflecting tool for drilling and is divided into three main types of motors/screws, turbines and electric drilling tools, the motors/screw drilling tools are more commonly used, particularly, the motors/screw drilling tools are recommended for short-radius and ultra-short-radius drilling, and high-angle or double-angle motors/screw drilling tools are adopted according to the requirement of curvature radius, the upper end and the lower end of the oriented joint 23 can be connected with a flexible MWD tool, an US friction reducing tool and a while drilling jar, the tool face is rotated through an indexing tool, and the drilling pressure is assisted, and the tool face orientation is adjusted to a required tool face orientation; the flexible MWD tool is a logging while drilling tool, and is divided into a wired cable or a wireless cable while drilling, the wired cable is required to be used while drilling, the cost of the cable is high, the maintenance is difficult, the requirement on the use environment is high, the performance requirement of the wireless cable while drilling on an instrument is high, and the continuous oil pipe is long and is generally above 5000 meters, so that the signal is required to be strong and stable. For short radius and ultra-short radius drilling, the MWD and external non-magnetic drilling tool are also required to have certain flexibility, the well section with high build-up gradient can be smoothly passed through, the high build-up gradient is realized by a double-bend motor or a flexible motor, the US antifriction and drag reduction tool is used for well conditions with larger friction resistance, such as short radius or ultra-short radius, and improving the drilling extension length of a horizontal well, the while-drilling jar is in the condition of meeting a clamp in the underground, the jar is in the action of releasing the clamp by the shock, the titanium alloy drill rod 22 is a light drill rod, the friction resistance and the torque of the horizontal well drilling tool can be effectively reduced, the horizontal offset distance and the length of the horizontal section can be effectively extended to a large extent, the stress corrosion fatigue strength of the anti-stress corrosion tool is more than 10 times that of the existing carbon steel, the drill string injury capacity and the service life can be greatly increased, the mechanical strength of the anti-corrosion performance is excellent and the low specific gravity characteristic can be applied to the conventional well, in oversized displacement wells and other high-difficulty drilling conditions, in addition, the light drill string formed by the titanium alloy drill rods can reduce the large hook load, reduce the torque and friction resistance, further improve the mechanical drilling speed, meanwhile, the titanium alloy also has the non-magnetic characteristic, the coiled tubing indexing tool 21, because the coiled tubing cannot rotate, a special tool for combining and adjusting the tool face is required to directionally drill according to the design track, the coiled tubing indexing tool 21 controls the lower end of a rotary tool through the displacement and the pressure of a ground pump, drives the MWD and a motor below the tool to rotate for a certain angle, the rotating angle can be adjusted through the pressure, the stepless adjustment of the angle is realized, the coiled tubing indexing tool 21 is powered by the pressure generated by fluid, and the certain pressure is rotated for a certain angle after the pressure in the tool reaches the threshold pressure, the tool is reset after the pressure is reduced below the threshold pressure, the tool can continue to rotate clockwise after the pressure is increased again to reach the threshold pressure, the directional indexing tool is required to generate high torque enough to overcome the torque generated by a downhole power drilling tool matched with the BHA, the swinging tool surface rotates through the indexing tool, the switching pump rotates for a certain angle (such as 35 degrees) once, and the drilling pressure is finely adjusted to the required tool surface; the three-dimensional stabilizer 20 maintains the stability of the weight on bit and the torque through the interaction of the internal spring and the spiral body, prolongs the service life of the drill bit, protects ground equipment, improves the drilling efficiency, and eliminates the influence of stick-slip on drilling; the constant torque and the bit pressure can use a drill bit with stronger aggressiveness, so that the drilling speed is improved; reducing the impact of downhole vibrations on expensive tools, instruments and bits in the drilling assembly; the drilling efficiency and the benefits are improved; the operation risk is reduced, and the motor head assembly 18 comprises bivalve uniflow valve, hydraulic pressure release tool and circulation valve, as emergency treatment tool, can establish circulation or throw ball shearing release pin through the burst disk through-hole, break tool string, retrieve coiled tubing, make things convenient for follow-up salvage, if the drill bit is buried the back, can't establish flow channel, the operation steps is as follows: the Ma Datou assembly is required to throw steel balls for both the circulation bypass and emergency release functions, and the circulation bypass valve is arranged at the lowest end of the tool, is provided with a proper blasting disk, and has 2 purposes when the drilling machine is stuck: the drill bit is buried and cannot circulate, the explosion disk is opened through the pressure holding of the continuous oil pipe to communicate the inner channel and the outer channel of the continuous oil pipe, and a circulation channel and a releasing card are established; when emergency release is required to be opened, after the circulation channel is unblocked through the burst disc test, the corresponding steel balls are put into the emergency release, and the emergency release can be performed after the emergency release is pressed to a set pressure value (the pressure can be provided with a corresponding number of shear pins according to the field requirement); after releasing, the motor head assembly can be put into the GS type fishing tool to salvage the well logging tool, and because the flexibility of the coiled tubing is large, the weighting rod is added in the assembly to improve the rigidity of the drilling tool assembly and play a role in applying the weight on bit, two automatic ramming mechanisms 15 are arranged on one side of the top of the bottom plate 1, and an automatic soil dividing assembly 16 is arranged on the two automatic ramming mechanisms 15.

Example 2

Based on example 1, see FIGS. 5-7

The automatic ramming mechanism 15 comprises a vertical plate 151 fixed at the top of a bottom plate, an L-shaped groove 152 is formed in one side of the vertical plate 151 in a penetrating mode, trapezoidal strips 153 are fixed above and below one side of the vertical plate 151, a moving plate 154 is connected to one side of the vertical plate 151 in a sliding mode, inclined planes are arranged at the top and the bottom of the moving plate 154, the top and the bottom of the moving plate 154 are connected with the inclined planes of the two trapezoidal strips 153 in a sliding mode, and a chute 155 is formed in one side of the moving plate 154 in a penetrating mode.

One side of the moving plate 154 is slidably connected with a moving rod 156, one end of the moving rod 156 is fixed with a moving column 157, one end of the moving column 157 penetrates through the chute 155 and the L-shaped groove 152 and extends to the outside of the L-shaped groove 152, the outer surface of the moving column 157 is slidably connected with the chute 155 and the inner surface of the L-shaped groove 152, and the bottom of the moving rod 156 is fixed with a fixing rod 158.

The top of dead lever 158 runs through movable rod 156 and extends to the top of movable rod 156, the bottom of dead lever 158 is fixed with tamp plate 159, the top of bottom plate 1 is fixed with motor cabinet 1510, one side of motor cabinet 1510 is fixed with second motor 1511, second motor 1511 receives outside same switch control, with external power supply electric connection, the output of second motor 1511 runs through motor cabinet 1510 and extends to the opposite side of motor cabinet 1510, the output of second motor 1511 is fixed with first pole 1512, the one end of first pole 1512 is connected with second bull stick 1513 through the pivot rotation, one end of second bull stick 1513 is connected through the pivot rotation with one side of movable plate 154.

The automatic soil dividing assembly 16 comprises an L-shaped plate 161 which is connected to the other side of the vertical plate in a sliding mode, an electric telescopic rod 162 is fixed to the bottom of the L-shaped plate 161, the electric telescopic rods 162 are in the prior art, the two electric telescopic rods 162 are controlled to be started by the same single-chip microcomputer, the single-chip microcomputer can control the opening and closing time intervals of the electric telescopic rods 162 (when the movable plate 154 is reset, the two electric telescopic rods 162 are controlled to be closed, when the two movable plate 154 moves back, the two electric telescopic rods 162 are controlled to be started) to be electrically connected with an external power supply, a soil dividing plate 163 is fixed to one side of the movable plate 154, a mounting plate 164 is fixed to one side of the soil dividing plate 163, the output end of the electric telescopic rod 162 is fixed to the top of the mounting plate 164, a compacting plate 159 is connected to one side of the soil dividing plate 163 in a sliding mode, automatic compaction is achieved through the arrangement of the automatic soil compacting mechanism 15, and automatic compaction of soil and broken stone dividing assembly 16 are matched, loose soil and broken stone around a drilling wellhead are prevented from sliding into the well, and therefore efficiency of drilling is improved.

The positioning and stabilizing assembly 7 comprises a fixed block 71 fixed inside the square tube 6, a threaded rod 72 is connected to the inner surface of the fixed block 71 in a threaded manner, and the top end of the threaded rod 72 penetrates through the fixed block 71 and extends to the top of the square tube 6.

A rotation handle 73 is fixed to the top end of the threaded rod 72, and the bottom end of the threaded rod 72 penetrates the fixed block 71 and extends to the outside of the fixed block 71.

The bottom end mounting of threaded rod 72 has the earth-boring bar 74, the bottom of threaded rod 72 is fixed with the top of earth-boring bar 74, the bottom of earth-boring bar 74 runs through square pipe 6 and logical groove 2 and extends to the below of bottom plate 1, through the setting of location firm subassembly 7, the quick location firm to drilling equipment has been realized, make equipment work more stable in the drilling process, through the setting of four universal wheels 3, the quick transport removal to drilling equipment has been realized, the flexibility is high, handling efficiency has been promoted, location firm subassembly 7 can be according to the degree of depth of drilling, the degree of depth in earth-boring bar 74 gets into the earth is adjusted, the deeper that earth-boring bar 74 bore, the entire system is firm more.

And all that is not described in detail in this specification is well known to those skilled in the art.

In operation, by rotating the four rotating handles 73, the rotating handles 73 drive the threaded rods 72 to rotate, the threaded rods 72 move downwards along the inner surfaces of the fixed blocks 71, the threaded rods 72 drive the soil drilling rods 74 to rotate downwards, the soil drilling rods 74 finally drill into the soil to complete fixing, the drill bit 25 is started to perform drilling work, the two electric telescopic rods 162 are started, the electric telescopic rods 162 drive the two soil dividing plates 163 to move downwards, the two second motors 1511 are further started, the two second motors 1511 drive the two first rotating rods 1512 to rotate, the two first rotating rods 1512 drive the two second rotating rods 1513 to rotate, the two second rotating rods 1513 drive the two moving plates 154 to reciprocate back and forth, the two moving plates 154 move back and forth and drive the two moving columns 157 to slide transversely along the inner surfaces of the L-shaped grooves 152, when two movable columns 157 move to the corners of the L-shaped groove 152, at this time, the movable columns 157 slide downwards along the inner surface of the chute 155, meanwhile, the movable columns 157 slide downwards along the inner surface of the L-shaped groove 152, meanwhile, the movable columns 157 drive the movable rods 156, the fixed rods 158 and the tamping plates 159 to move downwards, finally, the tamping plates 159 tamp soil and broken stone on one side of the soil dividing plates 163, when the movable plates 154 are reset, the electric telescopic rods 162 are closed, the electric telescopic rods 162 drive the soil dividing plates 163 to move upwards for resetting, the above processes are repeated, the compaction of the soil and broken stone piled around a well is achieved, the soil and the broken stone drilled in the well drilling process are moved to two sides of the well drilling head through the arrangement of the automatic soil dividing assembly 16, the soil and the broken stone around the well drilling head are flattened, and workers can operate equipment around the well drilling head conveniently.

The foregoing detailed description of the embodiments of the invention has been provided for the purpose of illustrating the preferred embodiments of the invention and is not to be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims (8)

1. The utility model provides a coiled tubing drilling underground system convenient removal location, includes bottom plate (1), its characterized in that: four logical grooves (2) have been run through to the bottom of bottom plate (1), the bottom of bottom plate (1) is provided with four universal wheels (3), one side at bottom plate (1) top is fixed with handlebar (4), the top of bottom plate (1) is provided with support frame (5), be fixed with four square pipes (6) on support frame (5), four the inside of square pipe (6) all is provided with location firm subassembly (7), the inside rotation of support frame (5) is connected with pull roll (8), one side of support frame (5) is fixed with first motor (9), the output of first motor (9) is fixed with one side of pull roll (8), one side at bottom plate (1) top is fixed with two montants (10), two sliding connection has movable frame (11) between the opposite sides of montant (10), two rotate between the top of montant (10) is connected with rotation roller (12), pull roll (8) rotation and roller (12) pass through rope (13) transmission connection, one side of support frame (5) is fixed with first motor (9), one side of first motor (9) is fixed with one side of pull roll (8), one side of pull roll (10) top (10) is fixed with one end (38) is connected to pull ring (14) in proper order, one end (13) is connected to pull ring (14) top (13) under one end (13) The automatic soil tamping device comprises a weighting rod (19), a three-dimensional stabilizer (20), a coiled tubing directional indexing tool (21), a titanium alloy drill rod (22), a directional joint (23), a downhole power drilling tool (24) and a drill bit (25), wherein two automatic soil tamping mechanisms (15) are arranged on one side of the top of a bottom plate (1), and an automatic soil separating assembly (16) is arranged on the two automatic soil tamping mechanisms (15).

2. A coiled tubing drilling downhole system for facilitating mobile positioning as defined in claim 1, wherein: automatic ramming mechanism (15) is including fixing riser (151) at bottom plate (1) top, L type groove (152) have been run through to one side of riser (151), the top and the below of riser (151) one side all are fixed with trapezoidal strip (153), one side sliding connection of riser (151) has movable plate (154), the top and the bottom of movable plate (154) all are provided with the inclined plane, the top and the bottom of movable plate (154) all with the inclined plane sliding connection of two trapezoidal strips (153), chute (155) have been run through to one side of movable plate (154).

3. A coiled tubing drilling downhole system for facilitating mobile positioning as defined in claim 2, wherein: one side sliding connection of movable plate (154) has movable rod (156), the one end of movable rod (156) is fixed with movable column (157), the one end of movable column (157) runs through chute (155) and L type groove (152) and extends to the outside of L type groove (152), the surface and chute (155) of movable column (157) and the internal surface sliding connection of L type groove (152), the bottom of movable rod (156) is fixed with dead lever (158).

4. A coiled tubing drilling downhole system for facilitating mobile positioning as defined in claim 3, wherein: the top of dead lever (158) runs through dead lever (156) and extends to the top of dead lever (156), the bottom of dead lever (158) is fixed with ramming board (159), the top of bottom plate (1) is fixed with motor cabinet (1510), one side of motor cabinet (1510) is fixed with second motor (1511), the output of second motor (1511) runs through motor cabinet (1510) and extends to the opposite side of motor cabinet (1510), the output of second motor (1511) is fixed with first bull stick (1512), the one end of first bull stick (1512) is connected with second bull stick (1513) through the pivot rotation, one end of second bull stick (1513) is connected through the pivot rotation with one side of movable board (154).

5. The coiled tubing drilling downhole system for facilitating mobile positioning of claim 4, wherein: automatic divide native subassembly (16) including sliding connection L template (161) at riser (151) opposite side, the bottom of L template (161) is fixed with electric telescopic handle (162), one side of movable plate (154) is fixed with divides native board (163), one side of dividing native board (163) is fixed with mounting panel (164), the output of electric telescopic handle (162) is fixed with the top of mounting panel (164), rammer board (159) and one side sliding connection of dividing native board (163).

6. A coiled tubing drilling downhole system for facilitating mobile positioning as defined in claim 1, wherein: the positioning and stabilizing assembly (7) comprises a fixed block (71) fixed inside the square tube (6), a threaded rod (72) is connected to the inner surface of the fixed block (71) in a threaded mode, and the top end of the threaded rod (72) penetrates through the fixed block (71) and extends to the top of the square tube (6).

7. The coiled tubing drilling downhole system for facilitating mobile positioning of claim 6, wherein: the top end of the threaded rod (72) is fixed with a rotating handle (73), and the bottom end of the threaded rod (72) penetrates through the fixed block (71) and extends to the outside of the fixed block (71).

8. The coiled tubing drilling downhole system for facilitating mobile positioning of claim 6, wherein: the bottom end of the threaded rod (72) is fixedly provided with an earth drilling rod (74), the bottom end of the threaded rod (72) is fixed with the top end of the earth drilling rod (74), and the bottom end of the earth drilling rod (74) penetrates through the square pipe (6) and the through groove (2) and extends to the lower side of the bottom plate (1).