CN106968600B - Comprehensive experimental device for drilling through casing and rock with particle jet and drill bit - Google Patents

Abstract

The invention belongs to the field of petroleum drilling and oil production, and in particular relates to a comprehensive experimental device for drilling through casing and rock with a particle jet and a drill bit, including a high-pressure pipeline, a hydraulic control rod, an electric screw, a drill pipe, a torque sensor, a rock, a casing Pipe, drill bit, computer, hydraulic control valve group, guide seat, particle jet nozzle, data collector, hydraulic workstation, load sensor, hydraulic jack, speed regulating motor, power transmission assembly, speed sensor, linear sensor, etc., can simulate the drill bit Rotate and adjust the speed, apply and adjust the drilling pressure, adjust the drilling angle of the drill bit, and can measure, store and display the drill bit speed, drilling pressure, torque, and footage parameters in real time, and better simulate site conditions. Hydraulic control and electric The combination of control, high degree of automation and integration, reasonable structure, and safe and reliable use can provide optimized parameters for particle jet impact and drill bit mechanical joint drilling through casing and rock for on-site construction through experiments.

Description

Comprehensive experimental device for drilling through casing and rock with particle jet and drill bit

technical field

The invention relates to a comprehensive experimental device for drilling through casing and rock jointly by a particle jet and a drill bit, which belongs to the field of petroleum drilling and oil production.

Background technique

With the continuous development of oil and gas resources, more and more problems are faced in the process of oil and gas exploitation, such as declining oil well production, serious water flooding, casing damage, frequent downhole accidents, etc., and high water cut wells, The number of "old wells" and "dead wells" such as engineering abandoned wells is increasing, which greatly affects the efficient exploitation of oil and gas resources. Many problematic wells and abandoned wells still have high mining value. If they are effectively Secondary development will effectively increase the output of oilfields and alleviate the shortage of resources in my country to a large extent. Moreover, under the current low oil price situation, fully tapping existing oil and gas resources will become an effective way to reduce costs and increase production in oilfields.

Casing sidetracking and window opening technology can effectively solve many problems faced by oil wells in the middle and late stages of production. It can not only be used for workover and well completion in the later stage, but also enables many abandoned wells that have stopped production to be redeveloped and utilized. Casing window sidetracking technology It will become one of the main measures to excavate the remaining oil and gas reservoirs in the middle and later stages of oil well production. At present, the number of casing sidetracking wells in my country is increasing, but the efficiency and reliability of sidetracking are low, and it is difficult to realize rapid sidetracking and window opening, and the cost of sidetracking is also high. Therefore, it is urgent to develop a fast casing Use the new technology of sidetracking through windows to fully excavate the remaining oil and gas resources in deep formations. Particle impact drilling technology injects steel particles with a concentration of 1% to 3% and a particle size of 1 to 3mm into the high-pressure drilling fluid through the injection system, and then transports them to the PID drill bit at the bottom of the hole through the drill pipe, and the particles are ejected from the drill nozzle at high speed Impact crushing bottom rock to achieve high-efficiency rock breaking and increase drilling speed. A large number of field tests show that this technology can increase drilling speed by 2 to 4 times. At the same time, tests show that particle impact can quickly penetrate metal and metal materials. Combining the advantages of particle jet rapid penetration into metals and rocks, the casing window sidetracking technology combined with particle jet and drill bit is proposed. This technology can quickly complete casing window sidetracking operation at one time, effectively saving operation time and cost, and improving success Rate. Among them, the optimized parameters of the joint drilling of particle jet and drill bit through casing and rock are the key to this technology. By optimizing the parameters of joint drilling of particle jet and drill bit through casing and rock, the impact of particle jet and the energy of drill bit can be fully utilized to achieve rapid drilling. Casing and rocks. Aiming at the key problem of how to experimentally obtain the optimized parameters of particle jet and drill bit joint drilling through casing and rock, the present invention designs a comprehensive experimental device for particle jet and drill bit joint drilling through casing and rock, which can realize the combination of particle jet and drill bit Drilling casing and rock comprehensive experiment, complete the joint drilling of particle jet impact and drill bit machinery to drill through casing and rock, can simulate the rotation of the drill bit and adjust the speed, apply and adjust the drilling pressure, adjust the drilling angle of the drill bit, and It can measure, store and display the parameters of drill bit speed, drilling pressure, torque and footage in real time. It can better simulate the site conditions. It adopts the combination of hydraulic control and electric control, which has a high degree of automation and integration. Through experiments, particle jet impact and Joint drill through casing and rock optimization parameters for drill bit machinery.

Contents of the invention

The technical problem to be solved by the present invention is to provide a comprehensive experiment that can realize the joint drilling of particle jet and drill bit through casing and rock, can simulate the rotation of the drill bit and adjust the speed, apply the drilling pressure and adjust the size of the drilling pressure, and adjust the drilling of the drill bit. Angle, and can measure, store, and display drill bit speed, drilling pressure, torque, and footage parameters in real time, and better simulate field conditions. It adopts a combination of hydraulic control and electric control, and has a high degree of automation and integration. It can obtain particle jet impact Combined drill through casing and rock with drill bit machinery Comprehensive experimental device for particle jet and drill bit to drill through casing and rock with optimized parameters.

The particle jet and drill bit combined drilling casing and rock comprehensive experiment device of the present invention include high-pressure pipelines, connecting pup joints, pressure gauges, fixed pup joints, device top plates, fixed inner sleeves, fixed outer sleeves, hydraulic control rods, electric Lead screw, drill pipe, torque sensor, rock outer cylinder, centralizer, rock, conversion nipple, hydraulic pipeline, rock outer cylinder bracket, casing, drill bit, computer, hydraulic control valve group, guide seat, turntable bearing, particle jet Nozzle, data collector, hydraulic workstation, rock support plate, load sensor, hydraulic jack, speed-regulating motor, power transmission assembly, speed sensor, speed-regulating motor bracket, linear sensor, and device base. The solid-liquid two-phase flow of particles and high-pressure fluid is input by the high-pressure pipeline, and the connecting nipple is connected with the high-pressure pipeline and the fixed nipple through threads. The pressure gauge is installed on one side of the connecting nipple, and the pressure gauge can measure the pressure of the solid-liquid two-phase flow. The fixed pup joint is welded to the top plate of the device, the lower part of the top plate of the device is connected to the fixed outer sleeve, the fixed outer sleeve is connected to the fixed inner sleeve through threads, the fixed inner sleeve is connected to the drill pipe through internal threads, and the center axis of the inner hole of the fixed inner sleeve is adjusted to the plumb line The angle of the drill pipe and the drill bit can be adjusted to drill different casings and rock angles. The centralizer is installed at the lower part of the drill pipe. The centralizer can ensure the centering and stable rotation of the drill bit. The conversion nipple connects the centralizer and the drill bit. The particle jet nozzle is installed at the lower part of the drill bit. The rock is installed between the casing and the rock outer cylinder, and the rock outer cylinder is set on the outside of the rock to fix the rock and connect the turntable bearing. The electric screw rod is installed between the top plate of the device and the rock top surface, and the electric screw rod can adjust the rock in The position in the direction of the plumb line. The guide seat is installed inside the casing, and the guide seat can realize the tilt of the drill bit to ensure that the drill bit is subjected to lateral force, and then through the joint action of the drill bit and particle jet impact, the drilling of the casing and rock is completed. The power transmission assembly is installed at the lower part of the guide seat, and the lower part of the power transmission assembly is connected to the speed-regulating motor. The power transmission assembly transmits the power of the speed-regulating motor to the guide seat and the rock. The motor is installed on the speed regulating motor bracket. The hydraulic control rod is connected with the base of the device and the top plate of the device. There are two hydraulic control rods. The height of the experimental device can be controlled through the lifting and lowering of the hydraulic control rod. The rock outer cylinder support is connected with the turntable bearing and the lower part of the hydraulic control rod. Between the base of the device and the rock support plate, two hydraulic jacks are installed, and the drilling pressure can be applied to the drill bit through the hydraulic action of the hydraulic jack, and the size of the drilling pressure can be adjusted. The hydraulic workstation is installed on the side of the hydraulic control rod. The hydraulic workstation outputs the pressure fluid and sends it to the hydraulic control valve group through the hydraulic pipeline. The hydraulic control valve group is respectively connected to the hydraulic control rod and the hydraulic top through the hydraulic pipeline. The hydraulic control valve group can control the hydraulic Working condition of control rod and hydraulic jack. The flow direction of the solid-liquid two-phase flow of particles and high-pressure fluid is firstly from the high-pressure pipeline, passing through the connection pup joint, fixed pup joint, device top plate, and fixed inner sleeve in sequence, then enters the inside of the drill pipe, flows through the centralizer and the conversion short Finally, it enters the internal flow channel of the drill bit and is ejected from the particle jet nozzle. The high-speed particle jet impacts the casing wall and rock, and cooperates with the rotation of the drill bit and the pressing and cutting action to realize the impact of the particle jet and the joint drilling of the drill bit through the casing. Pipes and rocks.

The torque sensor is installed on the wall of the drill pipe, and the torque signal received by the drill pipe is measured and sent to the data collector. The load sensor is installed between the rock and the thrust bearing of the power transmission assembly, and the load sensor can measure the torque of the drill bit. By the size of the weight on bit, the weight on bit signal is sent to the data collector. The speed sensor is installed between the power transmission assembly and the speed regulating motor. By measuring the speed of the speed regulating motor shaft, the speed of the guide seat and the rock is obtained, and The rotational speed signal is sent to the data collector, and the linear sensor is installed between the rock support plate and the device base. The linear sensor measures the moving distance of the rock, and then obtains the footage of the drill bit, and sends the footage signal to the data collector. The data collector converts the received analog signals of torque, weight on bit, speed and footage into digital signals and sends them to the computer. The computer can display, store and process the signals of torque, weight on bit, speed and footage in real time.

The power transmission assembly is composed of rock lower thrust bearing, deep groove ball bearing, central shaft outer casing, support block, support block thrust bearing, lip seal ring, central shaft, O-ring seal, and shaft coupling. The thrust bearing at the lower part of the rock is installed at the lower part of the load sensor, which can realize the rotation of the upper load sensor and the rock. The deep groove ball bearing is sleeved on the coupling shaft and connected with the outer shell of the central shaft. The support block is installed at the upper part of the outer shell of the central shaft to support The upper support block thrust bearing, the support block thrust bearing is installed between the guide seat and the support block to realize the rotation of the upper guide seat, the lower part of the central shaft is connected to the coupling, the upper part of the central shaft has a cross-shaped groove, and the lower part of the guide seat has The protruding cross-shaped protrusion, by inserting the cross-shaped protrusion into the cross-shaped groove, the driving rotation of the central shaft to the guide seat is realized, and the central shaft and the guide seat can be easily connected and separated. The lip seal ring is installed between the outer shell of the central shaft and the central shaft. There are 3 lip seal rings, and the concave part of the lip seal ring faces upward. When the upper fluid pressure is applied, the concave part of the lip seal ring is under pressure. , The edge of the lip seal ring is tightly attached to the central shaft and the outer casing of the central shaft to achieve a good seal. The O-shaped sealing ring is set between the central shaft and the outer casing of the central shaft, which also plays a sealing role. There are 2 O-shaped sealing rings, which are lip-shaped sealing ring, lip-shaped sealing ring, O-shaped sealing ring, and lip-shaped sealing ring from top to bottom. O-shaped sealing ring and O-shaped sealing ring, through the mutual cooperation between different sealing rings, a good rotating seal of the central shaft is realized. The shaft coupling is installed between the speed-regulating motor shaft and the central shaft, and connects the speed-regulating motor and the central shaft.

A kind of comprehensive experiment device that the particle jet and the drill bit are combined to drill through the casing and the rock mentioned in the present invention, the specific operation steps are as follows:

Step 1: Turn on the data collector, turn on the computer, open the signal display interface, close each valve of the hydraulic control valve group, and turn on the hydraulic workstation;

Step 2: Adjust the height of the electric screw and hydraulic control rod so that the drill bit sticks to the guide seat and the wall of the casing;

Step 3: Open the hydraulic jack, apply the drilling pressure to the drill bit, and apply the drilling pressure to the designed size by observing the drilling pressure displayed by the computer;

Step 4: Turn on the speed-regulating motor, and adjust the motor speed to the design speed by observing the speed displayed by the computer;

Step 5: Particles and high-pressure fluid enter from the high-pressure pipeline, pass through the connecting nipple, fixed nipple, device top plate, fixed inner sleeve, drill pipe, centralizer, conversion nipple, drill bit internal flow channel, and spray from the particle jet nozzle. The high-speed particle jet impacts the casing wall and rock, and cooperates with the rotation and pressing of the drill bit to realize the joint drilling of the particle impact and the drill bit through the casing and rock. The computer simultaneously records the torque and footage measured by the torque sensor and the linear sensor. data;

Step 6: After the experiment is over, stop the particles and high-pressure fluid from entering the high-pressure pipeline, turn off the speed regulating motor, turn off the valves of the hydraulic control valve group and the hydraulic workstation, sort out the computer experiment data, and clean the parts of the experiment device.

The beneficial effects of the present invention are: it can realize the combined experiment of particle jet and drill bit drilling through casing and rock; Measure, store and display the parameters of drill bit speed, drilling pressure, torque and footage, better simulate the site conditions, adopt the combination of hydraulic control and electric control, high degree of automation and integration, reasonable structure, safe and reliable use, through experiments Provide particle jet impact and drill bit mechanical joint drilling through casing and rock optimization parameters for actual construction on site.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

In the figure: 1. Pressure pipeline 2. Connecting nipple 3. Pressure gauge 4. Fixed nipple 5. Device top plate 6. Fixed inner sleeve 7. Fixed outer sleeve 8. Hydraulic control rod 9. Electric screw 10. Drill pipe 11. Torque sensor 12, rock outer cylinder 13, centralizer 14, rock 15, conversion nipple 16, hydraulic pipeline 17, rock outer cylinder support 18, casing 19, drill bit 20, computer 21, hydraulic control valve group 22, guide seat 23. Turntable bearing 24, particle jet nozzle 25, data collector 26, hydraulic workstation 27, rock support plate 28, load sensor 29, hydraulic jack 30, speed control motor 31, power transmission assembly 32, speed sensor 33, speed control Motor support 34, linear sensor 35, device base.

Fig. 2 is a schematic structural diagram of the power transmission assembly of the present invention.

In the figure: 31-1, rock bottom thrust bearing 31-2, deep groove ball bearing 31-3, central shaft outer casing 31-4, support block 31-5, support block thrust bearing 31-6, lip seal ring 31-7, central shaft 31-8, O-shaped sealing ring 31-9, shaft coupling.

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing:

As shown in Figure 1, the comprehensive experimental device for the joint drilling of the particle jet and the drill bit through the casing and rock according to the present invention includes a high-pressure pipeline 1, a connecting sub-section 2, a pressure gauge 3, a fixed sub-section 4, a device top plate 5, Fixed inner casing 6, fixed outer casing 7, hydraulic control rod 8, electric screw 9, drill pipe 10, torque sensor 11, rock outer cylinder 12, centralizer 13, rock 14, conversion nipple 15, hydraulic pipeline 16, rock outer Barrel support 17, casing 18, drill bit 19, computer 20, hydraulic control valve group 21, guide seat 22, turntable bearing 23, particle jet nozzle 24, data collector 25, hydraulic workstation 26, rock support plate 27, load sensor 28 , hydraulic jack 29, speed regulating motor 30, power transmission assembly 31, speed sensor 32, speed regulating motor support 33, linear sensor 34, device base 35. The solid-liquid two-phase flow of particles and high-pressure fluid is input from the high-pressure pipeline 1, and the connecting nipple 2 is connected with the high-pressure pipeline 1 and the fixed nipple 4 through threads. The pressure gauge 3 is installed on the side of the connecting nipple 2, and the pressure gauge 3 can measure solid The pressure of a liquid two-phase flow. The fixed pup joint 4 is welded to the device top plate 5, the lower part of the device top plate 5 is connected to the fixed outer sleeve 7, the fixed outer sleeve 7 is connected to the fixed inner sleeve 6 through threads, the fixed inner sleeve 6 is connected to the drill pipe 10 through internal threads, and the fixed inner sleeve is adjusted 6. The angle between the central axis of the inner hole and the plumb line can realize the adjustment of different drilling angles of the drill bit 19 through the casing pipe 18 and the rock 14. The centralizer 13 is installed on the lower part of the drill pipe 10, and the centralizer 13 can ensure the centering and stable rotation of the drill bit 19. The conversion nipple 15 connects the centralizer 13 and the drill bit 19, and the particle jet nozzle 24 is installed on the lower part of the drill bit 19. The rock 14 is installed between the casing 18 and the rock outer cylinder 12, and the rock outer cylinder 12 is set on the outside of the rock 14, which plays the role of fixing the rock 14 and connecting the turntable bearing 23, and the electric screw rod 9 is installed on the device top plate 5 and the rock 14 top surface Between, electric screw mandrel 9 can regulate the position of rock 14 in plumb line direction. The guide seat 22 is installed inside the casing 18, and the guide seat 22 can realize the inclination of the drill bit 19 to ensure that the drill bit 19 is subjected to lateral force, and then through the joint action of the drill bit 19 and the impact of the particle jet, the drilling of the casing 18 and the rock 14 is completed. The power transmission assembly 31 is installed on the lower part of the guide seat 22, and the lower part of the power transmission assembly 31 is connected with the speed regulating motor 30, and the power transmission assembly 31 transmits the power of the speed regulating motor 30 to the guide seat 22 and the rock 14, and the speed regulating motor 30 can be adjusted The rotating speed of guide seat 22 and rock 14, speed regulating motor 30 is installed on the speed regulating motor support 33. The hydraulic control rod 8 is connected with the device base 35 and the device top plate 5. Two hydraulic control rods 8 are designed. The height of the experimental device can be adjusted through the lifting and lowering of the hydraulic control rod 8. The rock outer cylinder support 17 is connected with the turntable bearing 23 and the hydraulic pressure The bottom of the control rod 8 is connected. The hydraulic jack 29 is installed between the device base 35 and the rock support plate 27. Two hydraulic jacks 29 are designed, and the two hydraulic jacks 29 are respectively located on both sides of the rock support plate 27. They are symmetrically distributed and can provide stable pressure output. Through the hydraulic jack 29 hydraulic pressures can be applied to drill bit 19 weight-on-bit, and adjust the size of weight-on-bit. The hydraulic work station 26 is installed on the side of the hydraulic control rod 8, and the hydraulic work station 26 outputs the pressure fluid and then sends it to the hydraulic control valve group 21 through the hydraulic pipeline 16, and the hydraulic control valve group 21 is respectively connected to the hydraulic control rod 8 and the hydraulic jack 29 through the hydraulic pipeline 16. Connected, the hydraulic control valve group 21 can control the working state of the hydraulic control rod 8 and the hydraulic jack 29. The flow direction of the solid-liquid two-phase flow of particles and high-pressure fluid is firstly from the high-pressure pipeline 1, after connecting the sub-joint 2, the fixed sub-joint 4, the device top plate 5, and the fixed inner sleeve 6 in sequence, then enter the inside of the drill pipe 10, and flow through the righting 13 and the inner channel of the conversion nipple 15, and finally enters the inner channel of the drill bit 19, ejected from the particle jet nozzle 24, and the high-speed particle jet impacts the wall surface of the casing 18 and the rock 14, cooperates with the rotation of the drill bit 19 and presses into the cutting action, Realized the combined drilling of particle jet impingement and drill bit through casing and rock.

The torque sensor 11 is installed on the wall of the drill pipe 10, and the torque signal received by the drill pipe 10 is measured and sent to the data collector 25. The load sensor 28 is installed between the rock 14 and the rock lower thrust bearing of the power transmission assembly 31 During this period, the load sensor 28 can measure the weight of the drill bit 19, and send the weight-on-bit signal to the data collector 25. The rotational speed sensor 32 is installed between the power transmission assembly 31 and the speed regulating motor 30. The rotational speed of the speed-regulating motor shaft 30 can be measured to obtain the rotational speed of the guide seat 22 and the rock 14, and the rotational speed signal is sent to the data collector 25. The linear sensor 34 is installed between the rock support plate 27 and the device base 35. The linear sensor 34 The moving distance of the rock 14 can be measured, and then the footage of the drill bit 19 can be measured, and the footage signal can be sent to the data collector 25 . The data collector 25 converts the received analog signals of torque, weight on bit, speed and footage into digital signals and sends them to the computer 20. The computer 20 can display, store and process the signals of torque, weight on bit, speed and footage in real time.

As shown in Figure 2, the power transmission assembly structure includes rock lower thrust bearing 31-1, deep groove ball bearing 31-2, central shaft outer casing 31-3, support block 31-4, support block thrust bearing 31- 5. Lip seal ring 31-6, central shaft 31-7, O-shaped seal ring 31-8, and shaft coupling 31-9. The rock bottom thrust bearing 31-1 is installed in the load sensor 28 bottom, can realize the upper load sensor 28 and the rock 14 rotation, the deep groove ball bearing sleeve 31-2 is sleeved on the coupling 31-9 shaft, and the central shaft outer cover 31 -3 connection, the support block 31-4 is installed on the center shaft outer cover top, the support block thrust bearing 31-5 on the support top, the support block thrust bearing 31-5 is installed in the middle of the guide seat 22 and the support block 31-4, can To realize the rotation of the upper guide seat 22, the lower part of the central shaft 31-7 is connected to the coupling 31-9, the upper part of the central shaft 31-7 has a cross-shaped groove, and the lower part of the guide seat 22 has a protruding cross-shaped protrusion. The protrusion is inserted into the cross-shaped groove to realize the driving rotation of the central shaft 31-7 to the guide seat 22, and the central shaft 31-7 and the guide seat 22 can be easily connected and separated. The lip seal ring 31-6 is installed between the central shaft outer shell 31-3 and the central shaft 31-7, three lip seal rings 31-6 are provided, and the concave part of the lip seal ring 31-6 faces upward, when the upper After the fluid pressure is applied, the concave part of the lip seal ring 31-6 can cling to the wall surface of the central shaft 31-7 and the central shaft outer casing 31-3 under the action of pressure, so as to realize good sealing. The O-shaped sealing ring 31-8 is arranged between the central shaft 31-7 and the central shaft outer casing 31-3, which also plays a sealing role, and two O-shaped sealing rings are provided. From top to bottom are lip seal ring 31-6, lip seal ring 31-6, O-ring seal ring 31-8, lip seal ring 31-6, O-ring seal ring 31-8, through different seal rings The mutual cooperation among them has realized the good rotary sealing of the central shaft 31-7. The shaft coupling 31-9 is installed between the shaft of the speed regulating motor 30 and the central shaft 31-7, and connects the speed regulating motor 30 and the central shaft 31-7.

A kind of comprehensive experiment device that the particle jet and the drill bit are combined to drill through the casing and the rock mentioned in the present invention, the specific operation steps are as follows:

The first step: open the data collector 25, open the computer 20, open the signal display interface, close each valve of the hydraulic control valve group 21, and open the hydraulic workstation 26;

The second step: adjust the height of the electric screw 9 and the hydraulic control rod 8, so that the drill bit 19 sticks to the guide seat 22 and the wall surface of the casing 18;

Step 3: Open the hydraulic jack 29, apply the WOB to the drill bit 19, and apply the WOB to the designed size by observing the WOB size displayed by the computer 20;

Step 4: Turn on the speed-regulating motor 30, and adjust the speed-regulating motor 30 to the design speed by observing the speed displayed by the computer 20;

Step 5: The solid-liquid two-phase flow of particles and high-pressure fluid enters from the high-pressure pipeline 1, and passes through the connection sub-section 2, the fixed sub-section 4, the device top plate 5, the fixed inner sleeve 6, the drill pipe 10, the centralizer 13, and the conversion sub-section in sequence. Section 15. The internal flow channel of the drill bit 19 is ejected from the particle jet nozzle 24, and the high-speed particle jet impacts the wall surface of the casing 18 and the rock 14. Cooperating with the rotation and pressing of the drill bit 19, the joint drilling of the particle impact and the drill bit penetrates the casing pipe and rock, the computer 20 simultaneously records the torque and footage data measured by the torque sensor 11 and the linear sensor 34;

Step 6: After the experiment is over, stop particles and high-pressure fluid from entering the high-pressure pipeline 1, turn off the speed regulating motor 30, turn off the valves of the hydraulic control valve group 21 and the hydraulic workstation 26, organize the experimental data of the computer 20, and clean the components of the experimental device.

Claims (4)

1. A comprehensive experimental device for the joint drilling of a particle jet and a drill bit through casing and rock, comprising a high-pressure pipeline (1), a connecting sub-section (2), a pressure gauge (3), a fixed sub-section (4), and a device top plate ( 5), fixed inner sleeve (6), fixed outer sleeve (7), hydraulic control rod (8), electric screw (9), drill pipe (10), torque sensor (11), rock outer cylinder (12), righting Device (13), rock (14), conversion nipple (15), hydraulic pipeline (16), rock outer cylinder support (17), casing (18), drill bit (19), computer (20), hydraulic control valve group (21), guide seat (22), turntable bearing (23), particle jet nozzle (24), data collector (25), hydraulic workstation (26), rock support plate (27), load sensor (28), Hydraulic jack (29), speed regulating motor (30), power transmission assembly (31), speed sensor (32), speed regulating motor support (33), linear sensor (34), device base (35); particles and high pressure The solid-liquid two-phase flow of the fluid is input from the high-pressure pipeline (1), and the connecting nipple (2) is respectively connected with the high-pressure pipeline (1) and the fixed nipple (4) through threads, and the pressure gauge (3) is installed on the connecting nipple (2 ) side, the pressure gauge (3) can measure the pressure of the solid-liquid two-phase flow, the fixed joint (4) is welded to the top plate (5) of the device, the lower part of the top plate (5) of the device is connected to the fixed outer sleeve (7), and the fixed inner sleeve (6) is connected with the fixed outer sleeve (7) through threads, and the fixed inner sleeve (6) is connected with the drill pipe (10) through internal threads. By adjusting the angle between the central axis of the inner hole of the fixed inner sleeve (6) and the plumb line, it can be Realize the adjustment of different drilling angles of the drill bit (19) through the casing (18) and rock (14). The centralizer (13) is installed on the lower part of the drill pipe (10). For stable rotation, the conversion nipple (15) connects the centralizer (13) and the drill bit (19), the particle jet nozzle (24) is installed on the lower part of the drill bit (19), and the rock (14) is installed on the casing (18) and the rock Between the outer cylinders (12), the rock outer cylinder (12) is sleeved on the outside of the rock (14), which plays the role of fixing the rock (14) and connecting the turntable bearing (23), and the electric screw (9) is installed on the device top plate (5) Between and rock (14) top surface, electric screw (9) adjustable rock (14) is in the position of plumb line direction, and guide seat (22) is installed in sleeve pipe (18) inside, and guide seat (22) can Realize the inclination of the drill bit (19) to ensure that the drill bit (19) is subjected to lateral force, and then through the joint action of the drill bit (19) and the impact of the particle jet, the drilling of the casing (18) and the rock (14) is completed, and the power transmission assembly (31 ) is installed on the lower part of the guide seat (22), the lower part of the power transmission assembly (31) is connected to the speed-regulating motor (30), and the power transmission assembly (31) transmits the power of the speed-regulating motor (30) to the guide seat (22) and the rock (14), speed-regulating motor (30) can adjust the rotating speed of guide seat (22) and rock (14), adjust The speed motor (30) is installed on the speed-regulating motor support (33), the hydraulic control lever (8) is connected with the device base (35) and the device top plate (5), and two hydraulic control levers (8) are set, and the hydraulic control lever (8) The lifting and lowering of (8) can adjust the height of the experimental device, the rock outer cylinder support (17) is connected with the turntable bearing (23) and the lower part of the hydraulic control rod (8), and the hydraulic top (29) is installed on the device base (35) Two hydraulic jacks (29) are installed between the rock support plate (27) and the two hydraulic jacks (29) are respectively located on both sides of the rock support plate (27), symmetrically distributed, and can provide stable pressure output. The hydraulic action of (29) can be applied to the drilling pressure of the drill bit (19), and the size of the drilling pressure can be adjusted. The hydraulic workstation (26) is installed on the side of the hydraulic control rod (8), and the hydraulic workstation (26) outputs the pressure fluid and passes through The hydraulic pipeline (16) is delivered to the hydraulic control valve group (21), and the hydraulic control valve group (21) is respectively connected with the hydraulic control rod (8) and the hydraulic jack (29) through the hydraulic pipeline (16), and the hydraulic control valve group (21 ) can control the working state of the hydraulic control rod (8) and the hydraulic jack (29). The flow direction of the solid-liquid two-phase flow of the particles and the high-pressure fluid is firstly from the high-pressure pipeline (1), passing through the connecting nipple (2), After fixing the pup joint (4), device top plate (5), and fixing the inner sleeve (6), it enters the inside of the drill pipe (10), flows through the inner channel of the centralizer (13) and the conversion pup joint (15), and finally enters the The inner channel of the drill bit (19) is ejected from the particle jet nozzle (24), and the high-speed particle jet impacts the casing (18) and the wall surface of the rock (14). The jet impingement and drill bit (19) combine to drill through casing (18) and rock (14). 2. particle jet according to claim 1 and drill bit are jointly drilled through casing pipe and the comprehensive experiment device of rock, it is characterized in that: torque transducer (11) is installed on drill pipe (10) wall surface, will measure drill pipe ( 10) The received torque signal is sent to the data collector (25), the load sensor (28) is installed between the rock (14) and the thrust bearing of the power transmission assembly (31), and the load sensor (28) can measure the drill bit (19) The size of the WOB received, and the WOB signal is sent to the data collector (25), and the speed sensor (32) is installed between the power transmission assembly (31) and the speed regulating motor (30), by measuring The rotating speed of the speed regulating motor (30) shaft can obtain the rotating speed of the guide seat (22) and the rock (14), and the rotating speed signal is sent to the data collector (25), and the linear sensor (34) is installed on the rock support plate (27 ) and the device base (35), the linear sensor (34) measures the moving distance of the rock (14), and then draws the footage of the drill bit (19), and sends the footage signal to the data collector (25), and the data acquisition The device (25) converts the received analog signals of torque, weight on bit, speed and footage into digital signals and sends them to the computer (20), and the computer (20) can display and store the signals of torque, weight on bit, speed and footage in real time and processing. 3. The comprehensive experimental device for the joint drilling of particle jet and drill bit through casing and rock according to claim 1, characterized in that: the power transmission assembly (31) comprises a rock lower thrust bearing (31-1), a deep groove Ball bearing (31-2), central shaft jacket (31-3), support block (31-4), support block thrust bearing (31-5), lip seal ring (31-6), central shaft (31 -7), O-shaped sealing ring (31-8), coupling (31-9); the rock bottom thrust bearing (31-1) is installed at the lower part of the load sensor (28), which can realize the upper load sensor (28) Rotate with the rock (14), the deep groove ball bearing sleeve (31-2) is sleeved on the shaft coupling (31-9), and is connected with the central shaft outer cover (31-3), and the support block (31-4) is installed on The upper part of the center shaft outer casing supports the upper support block thrust bearing (31-5), and the support block thrust bearing (31-5) is installed in the middle of the guide seat (22) and the support block (31-4) to realize the upper guide seat (22) rotation, the upper part of the central axis (31-7) has a cross-shaped groove, and the lower part of the guide seat (22) has a protruding cross-shaped protrusion. By inserting the cross-shaped protrusion into the cross-shaped groove, the central axis (31-7) drives and rotates the guide seat (22), and the central shaft (31-7) and the guide seat (22) can be easily connected and separated, and the lip seal ring (31-6) is installed on the central shaft Between the jacket (31-3) and the central shaft (31-7), three lip seals (31-6) are provided, and the concave parts of the lip seals (31-6) face upward. When the upper fluid pressure is applied Finally, under pressure, the concave part of the lip seal (31-6) can cling to the wall of the central shaft (31-7) and the outer shell of the central shaft (31-3) to achieve good sealing. The O-ring (31-8) is set between the central shaft (31-7) and the central shaft outer casing (31-3), and also plays a sealing role. There are two O-shaped sealing rings (31-8), which are sequentially from top to bottom Lip seal (31-6), lip seal (31-6), O-ring (31-8), lip seal (31-6), O-ring (31-8), Through the mutual cooperation between different sealing rings, a good rotary seal of the central shaft (31-7) is achieved, and the coupling (31-9) is installed between the shaft of the speed-regulating motor (30) and the central shaft (31-7) Between, the speed-regulating motor (30) is connected with the central shaft (31-7). 4. a kind of operation method of the comprehensive experimental device that the particle jet and drill bit as described in any one of claim 1-3 jointly drill through casing and rock, and its specific operation steps are as follows: The first step: open the data collector (25), open the computer (20), open the signal display interface, close each valve of the hydraulic control valve group (21), and open the hydraulic workstation (26); The second step: adjust the height of the electric screw (9) and the hydraulic control rod (8), so that the drill bit (19) sticks to the wall surface of the guide seat (22) and the casing (18); The third step: open the hydraulic jack (29), apply the WOB to the drill bit (19), and apply the WOB to the drill bit (19) to the designed size by observing the WOB size displayed by the computer (20); Step 4: Turn on the speed-regulating motor (30), and adjust the speed-regulating motor (30) to the design speed by observing the speed displayed by the computer (20); Step 5: The solid-liquid two-phase flow of particles and high-pressure fluid enters from the high-pressure pipeline (1), and passes through the connecting nipple (2), the fixing nipple (4), the top plate of the device (5), the fixing inner sleeve (6), Drill pipe (10), centralizer (13), conversion sub-joint (15), drill bit (19) internal flow channel, ejected from particle jet nozzle (24), high-speed particle jet impact casing (18) wall surface and rock ( 14), with the rotation of the drill bit (19) and the pressing and cutting action, the particle impact and the drill bit (19) are combined to drill through the casing (18) and rock (14), and the computer (20) simultaneously records the torque sensor (11) Torque and footage data obtained by measuring with linear sensor (34); Step 6: After the experiment is over, stop particles and high-pressure fluid from entering the high-pressure pipeline (1), turn off the speed regulating motor (30), turn off the hydraulic control valve group (21) each valve and hydraulic workstation (26), and organize the computer (20) Experimental data, cleaning all parts of the experimental device.