CN112901109B - Linear motor vibration well cementation device and method based on RFID control - Google Patents
Linear motor vibration well cementation device and method based on RFID control Download PDFInfo
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- CN112901109B CN112901109B CN202110075156.6A CN202110075156A CN112901109B CN 112901109 B CN112901109 B CN 112901109B CN 202110075156 A CN202110075156 A CN 202110075156A CN 112901109 B CN112901109 B CN 112901109B
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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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
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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
- E21B28/00—Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/06—Linear motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/02—Arrangements for regulating or controlling the speed or torque of electric DC motors the DC motors being of the linear type
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Abstract
本发明公开了属于油气井工程技术领域的基于RFID控制的直线电机振动固井装置及固井方法。该装置包括上接头、信号发生球、密封圈、控制组件、耐高温电池、电池安装套管、外套管、振动发生组件和下接头。将RFID控制的直线电机振动固井装置下入到水平井内预设位置，在地面井口向套管柱内部投入信号发生球，激活控制组件，控制组件控制高温直线电机工作，使得振动发生组件工作产生振动，加速度传感器检测振动产生的加速度，加速度电路板测试该振动固井装置的振动幅值，通过算法分析，扫频电路板在扫频范围内寻找最佳振动频率，电机控制电路板控制耐高温直线电机在最佳振动频率点持续工作。
The invention discloses a linear motor vibration cementing device and a cementing method based on RFID control, belonging to the technical field of oil and gas well engineering. The device includes an upper joint, a signal generating ball, a sealing ring, a control assembly, a high temperature resistant battery, a battery installation sleeve, an outer sleeve, a vibration generating assembly and a lower joint. Run the RFID-controlled linear motor vibration cementing device to the preset position in the horizontal well, put the signal generating ball into the casing string at the surface wellhead, activate the control component, and the control component controls the high-temperature linear motor to work, so that the vibration generating component works. Vibration, the acceleration sensor detects the acceleration generated by vibration, and the acceleration circuit board tests the vibration amplitude of the vibration cementing device. Through algorithm analysis, the frequency sweep circuit board finds the best vibration frequency within the frequency sweep range, and the motor control circuit board controls the high temperature resistance Linear motors work continuously at the optimum vibration frequency point.
Description
Technical Field
The invention relates to the technical field of oil and gas well engineering, in particular to a linear motor vibration well cementation device and a well cementation method based on RFID control.
Background
In the process of oil exploitation, cement slurry needs to be injected after casing is put into a well cementation operation, the annular surface cementation strength and the sealing quality of the cement slurry directly influence the well cementation quality, and in order to ensure the well cementation quality and prevent oil, gas and water from mixing and channeling after well cementation, a vibration well cementation device is adopted in the well cementation operation process to improve the compactness and uniformity of the cement slurry and ensure the interface cementation strength. At present, the vibration well cementing devices commonly used at home and abroad are acoustic frequency type vibration well cementing, annular pulse type vibration well cementing, mechanical vibration well cementing, hydraulic pulse type vibration well cementing and the like, wherein the hydraulic pulse type vibration well cementing device is most widely applied in oil exploitation, but the vibration well cementing device can only generate axial vibration and has uncontrollable amplitude, and other vibration well cementing tools have a plurality of defects in the using process. Therefore, a vibration well cementation device capable of providing optimal frequency vibration during the cement slurry waiting setting stage is urgently needed, the vibration well cementation device can solve the problems that the cement slurry has poor fluidity and is not uniform in a horizontal well, and meanwhile, more accurate vibration parameters and better vibration effects can be obtained.
Disclosure of Invention
The invention aims to provide a linear motor vibration well cementation device and a well cementation method based on RFID control, which are characterized by comprising an upper joint, a signal generation ball, a sealing ring, a control assembly, a high-temperature-resistant battery, a battery installation sleeve, an outer sleeve, a vibration generation assembly and a lower joint;
the upper joint is connected with the outer sleeve through threads and sealed through a sealing ring; the upper end of the control assembly is contacted with the lower bottom surface of the upper joint and is connected with the battery mounting sleeve through threads; the high-temperature-resistant battery is placed in the battery mounting sleeve, the upper end of the high-temperature-resistant battery is in contact with the lower end face of the control assembly, and the lower end of the high-temperature-resistant battery is in contact with the upper end face of the vibration generation assembly; the upper end of the battery mounting sleeve is connected with the control assembly through threads, and the lower end of the battery mounting sleeve is connected with the vibration generation assembly through threads; the vibration generating assembly is fixedly connected with the outer sleeve through a screw, and the lower end of the vibration generating assembly is contacted with a shaft shoulder of the outer sleeve; the lower joint is connected with the outer sleeve through threads and is sealed through a sealing ring.
The signal generating ball consists of an epoxy resin matrix, a miniature circuit board, a signal generating antenna and a high-temperature-resistant button battery; the miniature circuit board, the signal generating antenna and the high-temperature resistant button battery are wrapped into a sphere by the epoxy resin matrix; the miniature circuit board is used for controlling the working state of the signal generating antenna, the signal generating antenna is used for continuously transmitting microwave signals, and the high-temperature-resistant button battery provides electric energy for the miniature circuit board.
The control assembly consists of a signal receiving antenna, a compression nut, a gasket, a Y-shaped sealing ring, an antenna fixing plate, a reader, a sealing ring, a power resistor, a frequency sweeping circuit board, an I # circuit fixing plate, a cushion block, a fixing plate, an acceleration sensor, a low-pass filter resistor, a motor control circuit board, an acceleration circuit board, an II # circuit fixing plate, a shock pad, a circuit board strut and an upper end cover;
the signal receiving antenna is connected with the antenna fixing plate through threads and is sealed with the upper end cover through a Y-shaped sealing ring; the compression nut is connected with the upper end cover through threads; the gasket is matched with the compression nut to compress the Y-shaped sealing ring; the antenna fixing plate is connected with the fixing plate through screws; the reader is connected with the antenna fixing plate through a screw; the power resistor is connected with the antenna fixing plate through a screw; the sweep frequency circuit board is connected with the I # circuit fixing plate through a screw; the I # circuit fixing plate is connected with the circuit board strut through a screw, and the I # circuit fixing plate absorbs shock through a shock pad; the cushion block is connected with the battery mounting sleeve through a screw; the fixing plate is connected with the cushion block through a screw; the acceleration sensor is connected with the II # circuit fixing plate through a screw; the low-pass filter resistor is connected with the II # circuit fixing plate through a screw; the motor control circuit board is connected with the antenna fixing plate through screws; the acceleration circuit board is connected with the II # circuit fixing plate through a screw; the II # circuit fixing plate is connected with the circuit board strut through a screw, and the II # circuit fixing plate absorbs shock through a shock pad; the upper end cover is connected with the battery mounting sleeve through threads and sealed through a sealing ring, and the lower end face of the upper end cover is contacted with the upper end face of the fixing plate; the big terminal surface of upper end cover is provided with 4 arc breachs.
The vibration generating assembly consists of a high-temperature linear motor, a linear motor mounting sleeve, a lower end cover, a coupler, an upper impact plate, a lower impact plate, a limiting block and a return spring;
the high-temperature linear motor is arranged in the linear motor mounting sleeve and is connected with the linear motor mounting sleeve through a screw; the linear motor mounting sleeve is connected with the outer sleeve through a screw, is connected with the lower end cover through threads, and is sealed through a sealing ring; the shaft shoulder of the lower end cover is contacted with the lower end face of the linear motor mounting sleeve, and the lower end of the lower end cover is contacted with the shaft shoulder of the outer sleeve; the upper end of the coupler is connected with the linear motor through a pin; the upper impact plate is connected with the coupling through a pin; the central hole of the lower impact plate is matched and connected with the central shaft of the lower end cover and is contacted with the upper end of the reset spring; the limiting block is connected with a central shaft of the lower end cover through a screw; the return spring is sleeved on the central shaft of the lower end cover; the big terminal surface of motor installation sleeve pipe and lower end cover is provided with 4 arc breachs.
The high-temperature-resistant battery supplies power to the high-temperature linear motor in the control assembly and the vibration generation assembly.
The control assembly, the battery installation casing pipe and the vibration generation assembly form an annular cavity with the outer casing pipe respectively, and the arc-shaped notch and the annular cavity form a cement slurry flow channel.
The well cementation method of the linear motor vibration well cementation device based on the RFID control comprises the following steps:
step 1: setting the linear motor vibration well cementation device to a preset position;
step 2: putting a signal generating ball at a ground wellhead, wherein the signal generating ball continuously transmits a microwave signal in the falling process, when the signal generating ball is put into the upper joint, a signal receiving antenna receives the microwave signal and transmits the microwave signal to a reader, the reader is in a dormant state, the reader is activated after receiving the microwave signal, and the reader enters a working state;
and step 3: the motor control circuit board starts to work, and the high-temperature linear motor in the high-temperature-resistant battery and the control assembly and the vibration generation assembly starts to be powered;
and 4, step 4: the high-temperature linear motor in the vibration generation assembly starts reciprocating motion after being electrified, the upper impact plate is fixedly connected with an output shaft of the linear motor through a coupler, the upper impact plate is driven by the high-temperature linear motor to impact the lower impact plate in a reciprocating mode, and the lower impact plate overcomes the resistance of the return spring to impact the motor mounting sleeve;
and 5: after the lower impact plate impacts the motor and is provided with the sleeve, the lower impact plate returns to the initial position under the action of the rebound force and the elastic force of the return spring and is impacted by the upper impact plate again, and periodic impact frequency is formed; the lower impact plate rebounds to be in contact with the lower bottom surface of the limiting block, the limiting block prevents the lower impact plate from continuing to move, and the lower impact plate continues to be impacted by the upper impact plate; the motor installation sleeve is contacted with a shaft shoulder of the outer sleeve, and the outer sleeve is impacted to generate axial vibration waves; the axial vibration wave improves the fluidity of the cement paste and simultaneously improves the compactness and uniformity of the cement paste, thereby ensuring the interface cementing strength and the well cementation quality;
step 6: the acceleration sensor detects acceleration generated by vibration, and the acceleration circuit board tests the vibration amplitude of the vibration well cementation device; through algorithm analysis, the frequency sweeping circuit board searches for the optimal vibration frequency in the frequency sweeping range, and the motor control circuit board controls the high-temperature resistant linear motor to continuously work at the optimal vibration frequency point.
The invention has the beneficial effects that:
the well cementation method of the linear motor vibration well cementation device based on the RFID control realizes the sweep frequency vibration of cement paste in the waiting setting stage, can automatically search the optimal vibration frequency and improve the propagation distance of vibration waves. The method also improves the fluidity of the cement paste in the horizontal well, provides the optimal frequency vibration for the cement paste in the waiting setting stage, improves the compactness and uniformity of the cement paste, and ensures the interface bonding strength and the well cementation quality. The device has the advantages of simple operation method, low processing cost and reduced engineering cost.
Drawings
FIG. 1 is a schematic structural diagram of a linear motor vibration cementing device based on RFID control;
in the figure: 1-an upper connector, 2-a signal generating ball, 3-a sealing ring, 4-a control component, 5-a high-temperature-resistant battery, 6-a battery mounting sleeve, 7-an outer sleeve, 8-a vibration generating component and 9-a lower connector;
FIG. 2 is a schematic diagram of a signal generating ball;
in the figure: 201-an epoxy resin matrix, 202-a miniature circuit board, 203-a signal generating antenna and 204-a high-temperature resistant button battery;
FIG. 3 is a schematic structural view of a control assembly;
in the figure: 401-signal receiving antenna, 402-gland nut, 403-gasket, 404-Y type seal ring, 405-antenna fixing plate, 406-reader, 407-seal ring, 408-power resistor, 409-sweep frequency circuit board, 410-I # circuit fixing plate, 411-cushion block, 412-fixing plate, 413-acceleration sensor, 414-low pass filter resistor, 415-motor control circuit board, 416-acceleration circuit board, 417-II # circuit fixing plate, 418-shock pad, 419-circuit board support and 420-upper end cover;
FIG. 4 is a schematic structural view of a vibration generating assembly;
in the figure: 801-high-temperature linear motor, 802-linear motor mounting sleeve, 803-lower end cover, 804-coupler, 805-upper impact plate, 806-lower impact plate, 807-limiting block and 808-return spring.
Detailed Description
The invention provides a linear motor vibration well cementation device and a well cementation method based on RFID control, and the invention is further explained by combining the attached drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of a linear motor vibration cementing device based on RFID control. This linear electric motor vibration well cementation device based on RFID control includes: the device comprises an upper joint 1, a signal generating ball 2, a sealing ring 3, a control component 4, a high-temperature-resistant battery 5, a battery installation sleeve 6, an outer sleeve 7, a vibration generating component 8 and a lower joint 9. The application method of the linear motor vibration well cementation device based on RFID control comprises the following steps: the linear motor vibration well cementation device controlled by the RFID is placed at a preset position in an oil-gas well, a signal generation ball 2 is thrown into the interior of a casing string at a well head, a control component 4 is activated, and the control component 4 controls the linear motor 801 to work, so that the vibration generation component 8 works to generate high-frequency vibration.
Fig. 2 is a schematic diagram of a signal generating ball structure. The signal generating ball includes: the device comprises an epoxy resin matrix 201, a miniature circuit board 202, a signal generating antenna 203 and a high-temperature resistant button battery 204; the epoxy resin 201 wraps the components into a sphere; the miniature circuit board 202 is used for controlling the working state of the signal generating antenna 203; the signal generating antenna 203 is used for continuously transmitting microwave signals; the high temperature resistant button cell 204 provides electrical power to the microcircuit board 202.
Fig. 3 is a schematic structural diagram of the control assembly. The control assembly includes: the device comprises a signal receiving antenna 401, a gland nut 402, a gasket 403, a Y-shaped sealing ring 404, an antenna fixing plate 405, a reader 406, a sealing ring 407, a power resistor 408, a sweep frequency circuit board 409, an I # circuit fixing plate 410, a cushion block 411, a fixing plate 412, an acceleration sensor 413, a low-pass filter resistor 414, a motor control circuit board 415, an acceleration circuit board 416, a II # circuit fixing plate 417, a shock pad 418, a circuit board strut 419 and an upper end cover 420; the signal receiving antenna 401 is connected with the antenna fixing plate 405 through threads and is sealed with the upper end cover 420 through a Y-shaped sealing ring 404; the compression nut 402 is connected with the upper end cover 420 through threads; the gasket 403 is matched with the compression nut 402 to compress the Y-shaped sealing ring 404; the antenna fixing plate 405 and the fixing plate 412 are connected by screws; the reader 406 is connected with the antenna fixing plate 405 through screws; the power resistor 708 is connected with the antenna fixing plate 405 through screws; the sweep frequency circuit board 409 is connected with the I # circuit fixing plate 410 through screws; the I # circuit fixing plate 410 is connected with the circuit board strut 419 through screws and is damped through a damping pad 418; the cushion block 411 is connected with the battery installation sleeve 6 through a screw; the fixing plate 412 is connected with the cushion block 411 through screws; the acceleration sensor 413 is connected with the II # circuit fixing plate 417 through a screw; the low-pass filter resistor 414 is connected with the II # circuit fixing plate 417 through a screw; the motor control circuit board 415 is connected with the antenna fixing plate 405 through screws; the acceleration circuit board 416 is connected with the II # circuit fixing board 417 through screws; the II # circuit fixing plate 417 is connected with the circuit board strut 419 through a screw and is damped through a damping pad 418; the upper end cover 420 is connected with the battery mounting sleeve 6 through threads and sealed through the sealing ring 3, and the lower end face of the upper end cover 420 is in contact with the upper end face of the fixing plate 412.
Fig. 4 is a schematic structural view of the vibration generating assembly. The vibration generating assembly includes: the linear motor comprises a linear motor 801, a linear motor mounting sleeve 802, a lower end cover 803, a coupler 804, an upper impact plate 805, a lower impact plate 806, a limiting block 807 and a return spring 808; the linear motor 801 is installed inside the linear motor installation sleeve 802 and is connected with the linear motor installation sleeve 802 through screws; the linear motor mounting sleeve 802 is connected with the outer sleeve 7 through a screw, is connected with the lower end cover 803 through a thread, and is sealed through a sealing ring 3; the shaft shoulder of the lower end cover 803 is contacted with the linear motor installation sleeve 802, and the lower end is contacted with the outer sleeve 7; the upper end of the coupler 804 is connected with the linear motor 801 through a pin; the upper impact plate 805 is connected with the coupling 804 through pins; the lower striking plate 806 contacts the upper end of the return spring 808; the limiting block 807 is connected with the lower end cover 803 through a pin; the return spring 807 is sleeved on the central shaft of the lower end cover 803.
The large end faces of the upper end cover 420, the motor installation sleeve 802 and the lower end cover 803 are provided with 4 arc-shaped notches, and the arc-shaped notches and the annular cavity form a cement slurry flow channel.
Example (b):
a well cementation method of a linear motor vibration well cementation device based on RFID control is applied to a vibration well cementation stage in an oil and gas drilling process, the linear motor vibration well cementation device controlled by the RFID is firstly put into a preset position in an oil and gas well, a certain number of signal generating balls 2 are put into a wellhead, the signal generating balls 2 continuously emit microwave signals to the periphery in the falling process, when the signal generating balls 2 are put into an upper connector 1, a signal receiving antenna 401 receives the microwave signals and transmits the microwave signals to a reader 406, the reader 406 is in a dormant state, the reader 406 is activated after receiving the microwave signals, and the reader 406 enters a working state; the motor control circuit board 415 starts to operate, and power is supplied to the linear motor 801 in the control module 4 and the vibration generating module 8 through the high temperature resistant battery 5. The linear motor 801 starts to reciprocate after being electrified, the upper impact plate 805 is driven by the linear motor 801 to start to continuously impact the lower impact plate 806, the lower impact plate 806 overcomes the resistance of the return spring 807 to impact the motor installation sleeve 802, and after the lower impact plate 806 impacts the motor installation sleeve 802, the lower impact plate returns to the initial position by the resilience and the elasticity of the return spring 808 and is impacted by the upper impact plate 805 again, so that impact frequency of a certain period is formed. The motor mounting sleeve 802 is in contact with the shaft shoulder of the outer sleeve 7, and the outer sleeve 7 is impacted to generate axial vibration waves. The acceleration sensor 413 detects acceleration generated by vibration, and the acceleration circuit board 416 tests the vibration amplitude of the vibration cementing device. Through algorithm analysis, the frequency sweeping circuit board 409 searches for the optimal vibration frequency within the frequency sweeping range, and the motor control circuit board 415 controls the high-temperature resistant linear motor 5 to continuously work at the optimal vibration frequency point. The method realizes the sweep frequency vibration of the cement paste in the waiting setting stage, can automatically find the optimal vibration frequency, and improves the propagation distance of the vibration wave. The method improves the fluidity of the cement paste in the horizontal well, provides the optimal frequency vibration for the cement paste in the setting waiting stage, improves the compactness and uniformity of the cement paste, and ensures the interface bonding strength and the well cementation quality.
The present invention is not limited to the above embodiments, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention are also within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. Linear motor vibration well cementation device based on RFID control, its characterized in that: the device comprises an upper joint (1), a signal generating ball (2), a sealing ring (3), a control assembly (4), a high-temperature-resistant battery (5), a battery mounting sleeve (6), an outer sleeve (7), a vibration generating assembly (8) and a lower joint (9);
the upper joint (1) is connected with the outer sleeve (7) through threads and is sealed through a sealing ring (3); the upper end of the control component (4) is contacted with the lower bottom surface of the upper joint (1); the high-temperature-resistant battery (5) is placed in the battery mounting sleeve (6), the upper end of the high-temperature-resistant battery (5) is in contact with the lower end face of the control assembly (4), and the lower end of the high-temperature-resistant battery (5) is in contact with the upper end face of the vibration generation assembly (8); the upper end of the battery mounting sleeve (6) is connected with the control component (4) through threads, and the lower end of the battery mounting sleeve (6) is connected with the vibration generation component (8) through threads; the vibration generating assembly (8) is fixedly connected with the outer sleeve (7) through a screw, and the lower end of the vibration generating assembly (8) is in contact with a shaft shoulder of the outer sleeve (7); the lower joint (9) is connected with the outer sleeve (7) through threads and is sealed through a sealing ring (3);
the control assembly (4) consists of a signal receiving antenna (401), a compression nut (402), a gasket (403), a Y-shaped sealing ring (404), an antenna fixing plate (405), a reader (406), a sealing ring (407), a power resistor (408), a sweep frequency circuit board (409), an I # circuit fixing plate (410), a cushion block (411), a fixing plate (412), an acceleration sensor (413), a low-pass filter resistor (414), a motor control circuit board (415), an acceleration circuit board (416), an II # circuit fixing plate (417), a shock pad (418), a circuit board strut (419) and an upper end cover (420);
the signal receiving antenna (401) is connected with the antenna fixing plate (405) through threads and is sealed with the upper end cover (420) through a Y-shaped sealing ring (404); the compression nut (402) is connected with the upper end cover (420) through threads; the gasket (403) is matched with the compression nut (402) to compress the Y-shaped sealing ring (404); the antenna fixing plate (405) is connected with the fixing plate (412) through screws; the reader (406) is connected with the antenna fixing plate (405) through a screw; the power resistor (408) is connected with the antenna fixing plate (405) through a screw; the sweep frequency circuit board (409) is connected with the I # circuit fixing plate (410) through a screw; the I # circuit fixing plate (410) is connected with the circuit board strut (419) through a screw, and the I # circuit fixing plate (410) absorbs shock through a shock pad (418); the cushion block (411) is connected with the battery mounting sleeve (6) through a screw; the fixing plate (412) is connected with the cushion block (411) through screws; the acceleration sensor (413) is connected with the II # circuit fixing plate (417) through a screw; the low-pass filter resistor (414) is connected with the II # circuit fixing plate (417) through a screw; the motor control circuit board (415) is connected with the antenna fixing plate (405) through screws; the acceleration circuit board (416) is connected with the II # circuit fixing board (417) through screws; the II # circuit fixing plate (417) is connected with the circuit board strut (419) through a screw, and the II # circuit fixing plate (417) absorbs shock through a shock pad (418); the upper end cover (420) is connected with the battery mounting sleeve (6) through threads and sealed through a sealing ring (3), and the lower end face of the upper end cover (420) is in contact with the upper end face of the fixing plate (412); the big end face of upper end cover (420) is provided with 4 arc breachs.
2. The linear motor vibration cementing device based on RFID control according to claim 1, characterized in that: the signal generating ball (2) is composed of an epoxy resin matrix (201), a miniature circuit board (202), a signal generating antenna (203) and a high-temperature-resistant button battery (204); the miniature circuit board (202), the signal generating antenna (203) and the high-temperature resistant button battery (204) are wrapped into a sphere by the epoxy resin matrix (201); the miniature circuit board (202) is used for controlling the working state of the signal generating antenna (203), the signal generating antenna (203) is used for continuously transmitting microwave signals, and the high-temperature resistant button battery (204) provides electric energy for the miniature circuit board (202).
3. The linear motor vibration cementing device based on RFID control according to claim 1, characterized in that: the vibration generating assembly (8) consists of a high-temperature linear motor (801), a linear motor mounting sleeve (802), a lower end cover (803), a coupler (804), an upper impact plate (805), a lower impact plate (806), a limiting block (807) and a return spring (808);
the high-temperature linear motor (801) is arranged inside the linear motor mounting sleeve (802) and is connected with the linear motor mounting sleeve (802) through screws; the linear motor mounting sleeve (802) is connected with the outer sleeve (7) through a screw, is connected with the lower end cover (803) through threads, and is sealed through a sealing ring (3); the shaft shoulder of the lower end cover (803) is contacted with the lower end surface of the linear motor installation sleeve (802), and the lower end of the lower end cover (803) is contacted with the shaft shoulder of the outer sleeve (7); the upper end of the coupler (804) is connected with the high-temperature linear motor (801) through a pin; the upper impact plate (805) is connected with the coupling (804) through a pin; the central hole of the lower impact plate (806) is matched and connected with the central shaft of the lower end cover (803) and is contacted with the upper end of a return spring (808); the limiting block (807) is connected with the central shaft of the lower end cover (803) through a screw; the return spring (808) is sleeved on the central shaft of the lower end cover (803); the large end faces of the motor installation sleeve (802) and the lower end cover (803) are provided with 4 arc-shaped notches.
4. The linear motor vibration cementing device based on RFID control according to claim 1, characterized in that: the high-temperature-resistant battery (5) supplies power to the high-temperature linear motor (801) in the control assembly (4) and the vibration generation assembly (8).
5. The linear motor vibration cementing device based on RFID control according to claim 1 or 3, characterized in that: an annular cavity is formed between the control component (4), the battery mounting sleeve (6) and the vibration generating component (8) and the outer sleeve (7) respectively, and the arc-shaped gap and the annular cavity form a flow channel of cement paste.
6. The well cementation method of the linear motor vibration well cementation device based on the RFID control as claimed in claim 1 is characterized by comprising the following steps:
step 1: setting the linear motor vibration well cementation device to a preset position;
step 2: putting a signal generating ball (2) at a ground wellhead, wherein the signal generating ball (2) continuously transmits microwave signals in the falling process, when the signal generating ball (2) is put into the upper joint (1), a signal receiving antenna (401) receives the microwave signals and transmits the microwave signals to a reader (406), the reader (406) is in a dormant state, the reader is activated after receiving the microwave signals, and the reader (406) enters a working state;
and step 3: the motor control circuit board (415) starts to work, and the high-temperature linear motor (801) in the high-temperature-resistant battery (5) and the control assembly (4) and the vibration generation assembly (8) starts to supply power;
and 4, step 4: a high-temperature linear motor (801) in the vibration generation assembly (8) starts to reciprocate after being electrified, an upper impact plate (805) is fixedly connected with an output shaft of the high-temperature linear motor (801) through a coupler (804), the upper impact plate (805) is driven by the high-temperature linear motor (801) to impact a lower impact plate (806) in a reciprocating mode, and the lower impact plate (806) overcomes the resistance of a return spring (808) to impact a motor mounting sleeve (802);
and 5: after the lower impact plate (806) impacts the motor installation sleeve (802), the lower impact plate returns to the initial position under the action of the rebound force and the elastic force of the return spring (808) and is impacted by the upper impact plate (805) again to form periodic impact frequency; the lower impact plate (806) rebounds to be in contact with the lower bottom surface of the limiting block (807), the limiting block (807) prevents the lower impact plate (806) from continuing to move, and the lower impact plate (806) continues to be impacted by the upper impact plate (805); the motor mounting sleeve (802) is in contact with a shaft shoulder of the outer sleeve (7), and the outer sleeve (7) is impacted to generate axial vibration waves; the axial vibration wave improves the fluidity of the cement paste and simultaneously improves the compactness and uniformity of the cement paste, thereby ensuring the interface cementing strength and the well cementation quality;
step 6: an acceleration sensor (413) detects acceleration generated by vibration, and an acceleration circuit board (416) tests the vibration amplitude of the vibration cementing device; through algorithm analysis, the sweep frequency circuit board (409) searches for the optimal vibration frequency in the sweep frequency range, and the motor control circuit board (415) controls the high-temperature linear motor (801) to continuously work at the optimal vibration frequency point.
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