CN113622895A - Full-intelligent variable-frequency control variable-voltage drilling tool and control system - Google Patents
Full-intelligent variable-frequency control variable-voltage drilling tool and control system Download PDFInfo
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- CN113622895A CN113622895A CN202111082649.9A CN202111082649A CN113622895A CN 113622895 A CN113622895 A CN 113622895A CN 202111082649 A CN202111082649 A CN 202111082649A CN 113622895 A CN113622895 A CN 113622895A
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- 238000005553 drilling Methods 0.000 title claims abstract description 60
- 238000010248 power generation Methods 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000005516 engineering process Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000010355 oscillation Effects 0.000 claims description 8
- 238000005381 potential energy Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to a full-intelligent variable-frequency control variable-voltage drilling tool and a control system. The device comprises an upper drill string connecting and buckling component, an O-shaped sealing ring A, a disc spring upper pressing plate, a disc spring group shell, a disc spring group lower pressing plate, a sealing piston shaft, an O-shaped sealing ring B, a controller shell, a gyroscope system device end cover, a pressure power generation device end cover, a hollow variable frequency motor, a motor end cover, a rotatable nozzle, a lower joint, a gyroscope device, a pressure power generation device, a cable, an O-shaped sealing ring C, an O-shaped sealing ring D and a pin. The method is characterized in that: data transmission is carried out by utilizing a radio frequency technology, and the change of an azimuth angle is detected by utilizing a gyroscope, so that the on-off of the motor is intelligently controlled, and further the change of the internal pressure of the tool is controlled. The invention avoids the damage of tool vibration to a drill column, a derrick or other ground equipment, avoids one-time tripping, and saves a great deal of time, labor, material resources and financial resources.
Description
Technical Field
The invention relates to a full-intelligent variable-frequency control variable-voltage drilling tool and a control system, belonging to the technical field of petroleum and natural gas exploitation drilling tools.
Background
The traditional pressurizing tool is usually powered by a turbine drilling tool or a screw drilling tool to realize pressure difference and trigger a disc spring set to realize oscillation impact acceleration. The traditional tool can not realize the opening and closing of the oscillating tool, so that the tool is always operated in the whole drilling process, but the impact of the oscillation of the tool on a drill string and a derrick in the vertical section drilling process, particularly on a drilling platform when the marine drilling platform drills, is an inevitable difficulty. In order to avoid impact damage in reality, the vibration tool is not installed in the vertical section drilling process, the horizontal section drilling process is added, and a large amount of time and financial resources are wasted.
In order to solve the problems, the invention provides a full-intelligent variable-frequency control variable-voltage drilling tool and a control system. The tool can avoid damage to a drill column, a derrick or other ground equipment, one trip is avoided, and a large amount of time, manpower, material resources and financial resources are saved.
Disclosure of Invention
The invention aims to: the damage to a drill column, a derrick or other ground equipment can be avoided, one-time tripping is also avoided, an intelligent variable-frequency control variable-voltage oscillation tool and a control system are designed, and a full-intelligent control underground tool can be realized.
In order to achieve the purpose, the technical scheme adopted by the invention for solving the problem is as follows: full-intelligent variable-frequency control variable-voltage drilling tool and control system are composed of an upper end drill string connecting and buckling component (1), an O-shaped sealing ring A (2), a disc spring upper pressing plate (3), a disc spring group shell (4), a disc spring group (5), a disc spring group lower pressing plate (6), a sealing piston shaft (7), an O-shaped sealing ring B (8), a controller shell (9), a gyroscope system device end cover (10), a pressure power generation device end cover (11), a hollow variable-frequency motor (12), a motor end cover (13), a rotatable nozzle (14), a lower joint (15), a gyroscope device (16), a pressure power generation device (17), a cable (18), an O-shaped sealing ring C (19), an O-shaped sealing ring D (20) and a pin (21).
The full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a disc spring group shell (4) is respectively connected with a disc spring upper pressing plate (3) and a disc spring group lower pressing plate (6) through tapered threads;
the full-intelligent variable-frequency control variable-pressure drilling tool and the control system are characterized in that an upper drill string connecting and buckling component (1) is connected with a sealing piston shaft (7) through a conical thread;
the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a disc spring group (5) is arranged between an upper drill string connecting and buckling component (1) and a disc spring group shell (4);
the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a controller shell (9) is connected with a lower pressing plate (6) of a disc spring set through a conical thread, the controller shell (9) is connected with a lower connector (15) through a common thread, and an O-shaped sealing ring D (20) is installed;
the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a gyroscope device (16) and a pressure power generation device (17) are arranged in an inner hole designed in the radial direction of a controller shell (9), and are respectively sealed and positioned by an end cover (10) of the gyroscope system device and an end cover (11) of the pressure power generation device;
the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a gyroscope device (16) and a pressure power generation device (17) transmit data by means of a radio frequency identification system;
the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a hollow variable-frequency motor (12) is arranged in an inner hole of a controller shell (9) through a motor end cover (13), and the axes are in the same direction;
the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a hollow main shaft of a hollow variable-frequency motor (12) is connected with a rotatable nozzle (14) through common threads.
The full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that the control system consists of a gyroscope side positioning system, a pressure power generation system and a power system; the gyroscope azimuth measuring system and the pressure power generation system realize data transmission by means of a radio frequency identification technology; the pressure power generation system transmits power through a cable, and information data transmission is not performed between the pressure power generation system and the cable;
the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a gyroscope azimuth sensor senses the whole azimuth angle of the tool, when the included angle between the rotating azimuth angle of the tool and the initial azimuth angle is larger than 70 degrees, a radio frequency signal is sent to a central processing unit through a built-in radio frequency device of a gyroscope, the central processing unit decodes and digitizes information and then transmits the signal to a signal reader of a pressure power generation system through a radio frequency technology, the signal reader controls a storage battery to judge whether the power generation device works or not firstly after acquiring the information, if the power generation device works, the power storage device does not use a cable (18) to supply power to the power generation device, otherwise, a hollow variable-frequency motor (12) of a power system supplies power, and the tool works;
the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that after the tool works, high and low pressure in a tool cavity are alternately changed to trigger a pressure sensor to activate a pressure power generation device, so that on one hand, power is directly supplied to a motor, and on the other hand, a storage battery is charged; when the included angle between the rotating azimuth angle of the tool and the initial azimuth angle is smaller than 70 degrees, the power supply of the motor is directly cut off through the power-off processor after information transmission, the motor is stopped, the tool only serves as a flow channel of drilling fluid, and the pressure generator stops working.
The full-intelligent variable-frequency control variable-pressure drilling tool and the control system are characterized in that after a motor operates, the pressure in a tool cavity changes alternately; when the pressure in the cavity rises, the sealing piston shaft (7) compresses the disc spring group (5) under the action of the pressure to convert water energy into elastic potential energy of the disc spring group (5), and when the pressure is reduced, the elastic potential energy stored in the disc spring group (5) is converted into kinetic energy to realize oscillation impact.
The full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a gyroscope side positioning system is integrated in a gyroscope device. The input angular rate of the gyroscope system in the positive direction and the reverse direction is more than +/-300degree/sec, the rated voltage is 5V, and the output sensitivity is less than 8 degree/s; the initial axis of the gyroscope is co-axial with the tool.
The full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a pressure generator is internally provided with an electric storage device and a pressure generating device, the rated power of the pressure generating device is 2kw, the output voltage is 110-240v, and the internal current is completed through an internal circuit.
The full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that after the electric quantity of the electric storage device is full, the pressure power generation device does not charge the electric storage device any more, and the generated electric quantity is all used for rotating the hollow variable-frequency motor (12).
The full-intelligent variable-frequency control variable-pressure drilling tool and the control system are characterized in that inner holes of a rotatable nozzle (14) and a lower joint (15) can be round, oval or rectangular.
Compared with the prior art, the invention has the beneficial effects that: (1) the invention has simple main structure, can control the oscillation frequency in a full intelligent way, and can control the opening and closing of the tool in an intelligent way; (3) the invention adopts the non-contact radio frequency identification technology and the gyroscope azimuth measuring technology, so that the signal is stable and the precision is high; (4) the invention is safe and reliable, has strong adaptability and small influence on the lower drilling tool; (5) the invention can reduce the damage to other ground equipment and reduce the drilling cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the operation of the control system of the present invention;
1-upper drill string fastening component 1, 2-O type sealing ring A, 3-disc spring upper pressure plate, 4-disc spring group shell, 5-disc spring group, 6-disc spring group lower pressure plate, 7-sealing piston shaft, 8-O type sealing ring B, 9-controller shell, 10-gyroscope system device end cover, 11-pressure generating device end cover, 12-hollow variable frequency motor, 13-motor end cover, 14-rotatable nozzle, 15-lower joint, 16-gyroscope device, 17-pressure generating device, 18-cable, 19-O type sealing ring C, 20-O type sealing ring D, 21-pin bolt
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
The specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. In the light of the teaching of the present invention, the skilled person can conceive of any possible variant based on the invention, which shall be considered to fall within the scope of the invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, indirect connections through intermediaries, and the like. The terms "vertical," "horizontal," "up," "down," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
According to the attached drawing 1, the technical scheme adopted by the invention for solving the problem is as follows: the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are composed of an upper end drill string connecting and buckling component 1, an O-shaped sealing ring A2, a disc spring upper pressing plate 3, a disc spring group shell 4, a disc spring group 5, a disc spring group lower pressing plate 6, a sealing piston shaft 7, an O-shaped sealing ring B8, a controller shell 9, a gyroscope system device end cover 10, a pressure power generation device end cover 11, a hollow variable-frequency motor 12, a motor end cover 13, a rotatable nozzle 14, a lower connector 15, a gyroscope device 16, a pressure power generation device 17, a cable 18, an O-shaped sealing ring C19, an O-shaped sealing ring D20 and a pin 21.
The full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a disc spring group shell 4 is respectively connected with a disc spring upper pressing plate 3 and a disc spring group lower pressing plate 6 through tapered threads;
the full-intelligent variable-frequency control variable-pressure drilling tool and the control system are characterized in that an upper end drill string connecting and buckling component 1 is connected with a sealing piston shaft 7 through a conical thread;
the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a disc spring group 5 is arranged between an upper drill string connecting and buckling component 1 and a disc spring group shell 4;
the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a controller shell 9 is connected with a disc spring group lower pressing plate 6 through a conical thread, the controller shell 9 is connected with a lower connector 15 through a common thread, and an O-shaped sealing ring D20 is installed;
the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a gyroscope device 16 and a pressure generating device 17 are arranged in an inner hole designed in the radial direction of a controller shell 9 and are respectively sealed and positioned by an end cover 10 of the gyroscope system device and an end cover 11 of the pressure generating device; and the end cover and the controller shell 9 are both provided with sealing rings.
The full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a gyroscope device 16 and a pressure generating device 17 perform data transmission by means of a radio frequency identification system;
the full-intelligent variable-frequency control variable-voltage drilling tool and control system is characterized in that a hollow variable-frequency motor 12 is arranged in an inner hole of a controller shell 9 through a motor end cover 13, and the axes are in the same direction; the motor end cover 13 is connected with the inner hole of the controller shell 9 through threads and is sealed through an O-shaped sealing ring C19.
The full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a hollow main shaft of a hollow variable-frequency motor 12 is connected with a rotatable nozzle 14 through common threads; and a pin is arranged between the two to bear torque mainly.
Referring to fig. 2, a fully intelligent variable frequency control variable pressure drilling tool and a control system are shown, wherein the control system comprises a gyroscope side positioning system, a pressure power generation system and a power system; the gyroscope azimuth measuring system and the pressure power generation system realize data transmission by means of a radio frequency identification technology; the pressure power generation system transmits power through the cable, and information data transmission is not performed between the pressure power generation system and the cable.
According to the attached figures 1 and 2, the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a gyroscope azimuth sensor senses the whole azimuth angle of the tool, when the included angle between the rotating azimuth angle of the tool and the initial azimuth angle is larger than 70 degrees, a built-in radio frequency device of the gyroscope sends a radio frequency signal to a central processing unit, the central processing unit decodes and digitizes information and then transmits the signal to a signal reader of a pressure power generation system through a radio frequency technology, the signal reader controls a storage battery to firstly judge whether the power generation device works or not after acquiring the information, if the power generation device works, the power storage device does not use a cable 18 to supply power to the power generation device, otherwise, the hollow variable-frequency motor 12 of the power system supplies power and the tool works;
the full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that after the tool works, high and low pressure in a tool cavity are alternately changed to trigger a pressure sensor to activate a pressure power generation device, so that on one hand, power is directly supplied to a motor, and on the other hand, a storage battery is charged; when the included angle between the rotating azimuth angle of the tool and the initial azimuth angle is smaller than 70 degrees, the power supply of the motor is directly cut off through the power-off processor after information transmission, the motor is stopped, the tool only serves as a flow channel of drilling fluid, and the pressure generator stops working.
The full-intelligent variable-frequency control variable-pressure drilling tool and the control system are characterized in that after a motor operates, the pressure in a tool cavity changes alternately; when the pressure in the cavity rises, the sealing piston shaft 7 compresses the disc spring set 5 under the action of the pressure to convert water energy into elastic potential energy of the disc spring set 5, and when the pressure drops, the elastic potential energy stored in the disc spring set 5 is converted into kinetic energy to realize oscillation impact.
The full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a gyroscope side positioning system is integrated in a gyroscope device, the input angular rates of the gyroscope system in the positive direction and the reverse direction are more than +/-300 degrees/sec, the rated voltage is 5V, and the output sensitivity is less than 8 degrees/s; the initial axis of the gyroscope is co-axial with the tool.
The full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that a pressure generator is internally provided with an electric storage device and a pressure generating device, the rated power of the pressure generating device is 2kw, the output voltage is 110-240v, and the internal current is completed through an internal circuit.
The full-intelligent variable-frequency control variable-voltage drilling tool and the control system are characterized in that after the electric quantity of the electric storage device is full, the pressure power generation device does not charge the electric storage device any more, and the generated electric quantity is all used for rotating the hollow variable-frequency motor 12.
The full-intelligent variable-frequency control variable-voltage drilling tool and control system is characterized by that the inner holes of rotatable nozzle 14 and lower joint 15 can be made into the forms of circle, ellipse and rectangle.
Compared with the prior art, the invention has the beneficial effects that: (1) the invention has simple main structure, can intelligently control the oscillation frequency and can simply realize the opening and closing of the tool; (3) the invention adopts the non-contact radio frequency identification technology, the signal is stable, and the precision is high; (4) the invention has convenient operation, safety, reliability, strong adaptability and small influence on the lower drilling tool; (5) the invention can reduce the damage to other ground equipment and reduce the drilling cost.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the spirit and principles of the present invention, but rather as the description of the preferred embodiments of the present invention.
Claims (5)
1. The full-intelligent variable-frequency control variable-voltage drilling tool and the control system are composed of an upper end drill string connecting and buckling component (1), an O-shaped sealing ring A (2), a disc spring upper pressing plate (3), a disc spring group shell (4), a disc spring group (5), a disc spring group lower pressing plate (6), a sealing piston shaft (7), an O-shaped sealing ring B (8), a controller shell (9), a gyroscope system device end cover (10), a pressure power generation device end cover (11), a hollow variable-frequency motor (12), a motor end cover (13), a rotatable nozzle (14), a lower connector (15), a gyroscope device (16), a pressure power generation device (17), a cable (18), an O-shaped sealing ring C (19), an O-shaped sealing ring D (20) and a pin (21); the method is characterized in that: the disc spring group shell (4) is respectively connected with the disc spring upper pressure plate (3) and the disc spring group lower pressure plate (6) through conical threads; the upper end drill string connecting and buckling component (1) is connected with the sealing piston shaft (7) through a conical thread; a disc spring group (5) is arranged between the upper drill string connecting and buckling component (1) and the disc spring group shell (4); the controller shell (9) is connected with the lower pressing plate (6) of the disc spring set through a conical thread, the controller shell (9) is connected with the lower connector (15) through a common thread, and an O-shaped sealing ring D (20) is installed on the controller shell; the gyroscope device (16), the pressure generating set (17) is installed in the inner hole designed in the radial direction of the controller shell (9), and the gyroscope system device end cover (10) and the pressure generating set end cover (11) are respectively used for sealing and positioning; the gyroscope device (16) and the pressure generating device (17) carry out data transmission by means of a radio frequency identification system; the hollow variable frequency motor (12) is arranged in an inner hole of the controller shell (9) through a motor end cover (13), and the axes are in the same direction; the hollow main shaft of the hollow variable frequency motor (12) is connected with the rotatable nozzle (14) through common threads;
full intelligent variable frequency control vary voltage instrument and control system creep into, its characterized in that: the controllable system consists of a gyroscope side positioning system, a pressure power generation system and a power system; the gyroscope azimuth measuring system and the pressure power generation system realize data transmission by means of a radio frequency identification technology; the pressure power generation system transmits power through a cable, and information data transmission is not performed between the pressure power generation system and the cable;
full intelligent variable frequency control vary voltage instrument and control system creep into, its characterized in that: the gyroscope azimuth sensor senses the integral azimuth angle of the tool, when the included angle between the rotating azimuth angle of the tool and the initial azimuth angle is larger than 70 degrees, a radio frequency signal is sent to a central processing unit through a built-in radio frequency device of the gyroscope, the central processing unit decodes and digitizes information and then transmits the signal to a signal reader of a pressure power generation system through a radio frequency technology, the signal reader acquires the information and then controls a storage battery to firstly judge whether the power generation device works, if the power generation device works, the power storage device and a cable (18) are not used for supplying power, otherwise, a hollow variable frequency motor (12) of a power system is supplied with power, and the tool works; after the tool works, the high pressure and the low pressure in the tool cavity are changed alternately to trigger the pressure sensor to activate the pressure generating device, so that on one hand, the hollow variable frequency motor (12) is directly supplied with power, and on the other hand, the storage battery is charged; when the included angle between the rotating azimuth angle of the tool and the initial azimuth angle is smaller than 70 degrees, the power supply of the motor is directly cut off through the power-off processor after information transmission, the motor is stopped, the tool only serves as a flow channel of drilling fluid, and the pressure generator is stopped and does not work;
full intelligent variable frequency control vary voltage instrument and control system creep into, its characterized in that: when the motor runs, the pressure in the tool cavity is changed alternately; when the pressure in the cavity rises, the sealing piston shaft (7) compresses the disc spring set (5) under the action of pressure to convert water energy into elastic potential energy of the disc spring set (5), and when the pressure in the tool cavity is reduced, the elastic potential energy stored in the disc spring set (5) is converted into kinetic energy to realize oscillation impact.
2. The fully intelligent variable frequency control variable pressure drilling tool and control system of claim 1, wherein: the gyroscope side positioning system is integrated in the gyroscope device, the input angular rate of the gyroscope system in the positive direction and the input angular rate of the gyroscope system in the negative direction are more than +/-300degree/sec, the rated voltage is 5V, and the output sensitivity is less than 8 degree/s; the initial axis of the gyroscope is co-axial with the tool.
3. The fully intelligent variable frequency control variable pressure drilling tool and control system of claim 1, wherein: the pressure generator is internally provided with an electric storage device and a pressure generating device, the rated power of the pressure generating device is 2kw, the output voltage is 110-.
4. The fully intelligent variable frequency control variable pressure drilling tool and control system of claim 1, wherein: when the electric quantity of the electric storage device is full, the pressure power generation device does not charge the electric storage device any more, and the generated electric quantity is all used for rotating the hollow variable frequency motor (12).
5. The fully intelligent variable frequency control variable pressure drilling tool and control system of claim 1, wherein: the inner hole of the rotatable nozzle (14) and the inner hole of the lower joint (15) can be round, oval or rectangular.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114370226A (en) * | 2021-12-15 | 2022-04-19 | 西南石油大学 | Hydraulic variable-level small-pressure-drop strong-impact shock tool based on radio frequency identification |
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