CN107989602A - Underground fracture wireless data transmission device - Google Patents
Underground fracture wireless data transmission device Download PDFInfo
- Publication number
- CN107989602A CN107989602A CN201711468373.1A CN201711468373A CN107989602A CN 107989602 A CN107989602 A CN 107989602A CN 201711468373 A CN201711468373 A CN 201711468373A CN 107989602 A CN107989602 A CN 107989602A
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- China
- Prior art keywords
- pipe nipple
- ball
- information
- unit
- electromagnetic wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
- E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
Abstract
The invention discloses a kind of underground fracture wireless data transmission device, including order label, terrestrial information ball digital independent device, the label delivery apparatus installed in well head and information ball acquisition equipment, the motor control on coiled tubing and pitching pipe nipple, Master Communications pipe nipple, data acquisition pipe nipple and battery pack；Label delivery apparatus is used to put into order label in casing；Motor control and pitching pipe nipple realize the storage of information ball data in ball storehouse by using mutual induction power-supply output unit and wireless communication unit, and when being filled with, motor drives ball storehouse translation, and information ball enters annular space, returns and be discharged to ground；Data acquisition pipe nipple is used for locality bottom pressure, temperature data；Main control pipe nipple is used for the instruction for receiving order label, and by the work of its instruction control mutual induction power-supply output unit, wireless communication unit, motor.The device can realize being wirelessly transferred for downhole data, under conditions of monitoring in real time is carried out accurately to fracturing effect, save human and material resources.
Description
Technical field
The present invention relates to oil fracturing, technical field of measurement and test, and dress is wirelessly transferred more particularly to a kind of underground fracture data
Put.
Background technology
With gradually going deep into for oil field development, in order to make the volume increase of oil/gas well stable yields, it is necessary to transform stratum, pressure break is
Improve the important technical of oil-gas field development ability.The monitoring technology of dynamic pressure value and temperature in fracturing process, to research
Fracturing technology mechanism, understanding reservoir properties, evaluation pressing crack construction effect etc. are of great significance.In the construction process due to row
The change of amount, liquid viscosity and sand ratio can cause the change of friction drag and fluid column weight, and surface pressure fluctuation will be caused larger,
It is difficult to obtain accurate PRESSURE DATA, if passed bottom hole pressure bomb test data using wireless telemetry technique during well testing
Defeated to arrive ground, tester can adopt various measures in time directly according to shaft bottom situation, adjust test job program, ensure
Data admission is comprehensively accurate, solves the blindness of test, and the error and do over again that reduction test opening or closing operation judges, are improved once
Property successfully tested rate, can effectively shorten time and the cost of well testing, and then improve the yield of oil-gas mining, but at present still
Application is not convenient, the high radio transmitting method of practicality.
The content of the invention
In order to solve the above technical problem, the present invention provides a kind of underground fracture wireless data transmission device, it passes through letter
Breath ball is data medium, and the delivery vehicle using drilling fluid as information ball, realizes being wirelessly transferred for downhole data, to fracturing effect
Under conditions of carrying out accurately monitoring in real time, human and material resources are saved, are shortened working hours.
For this reason, technical scheme is as follows：
A kind of underground fracture wireless data transmission device, including order label, terrestrial information ball digital independent device, installation
Label delivery apparatus and information ball acquisition equipment in well head, the control of the motor on coiled tubing and pitching pipe nipple, master
Control communication pipe nipple, data acquisition pipe nipple and battery pack；
The terrestrial information ball digital independent device is connected with server, can be to the data that its transmission is read；
The battery pack is respectively with motor control and pitching pipe nipple, Master Communications pipe nipple, in data acquisition pipe nipple
Electrical equipment connects, for its power supply；
The label delivery apparatus is used to put into the order label in casing；
It is defeated that the motor control and pitching pipe nipple include pipe nipple I, information ball, ball storehouse, driving motor, screw rod, mutual induction power-supply
Go out unit and wireless communication unit；The mutual induction power-supply output unit and wireless communication unit are juxtaposed on the pipe nipple I's
On side wall, it is A to mark the position, and opening is provided with above or below location A, and the size of the opening is more than information ball
Diameter；The ball storehouse have it is multiple, it is in one line, be arranged in the pipe nipple I of location A side；The ball storehouse and the side wall of pipe nipple I are tangent
Locate as opening, and be provided with gasket here；The ball storehouse bottom is equipped with screw thread, which matches with screw rod, can be by spiral shell
The translation for changing into ball storehouse of bar, the screw rod are installed on the driving motor；Previous ball storehouse is moved to opening
During position, mutual induction power-supply output unit and wireless communication unit described in latter ball storehouse face；One is placed with the ball storehouse
Information ball；Described information ball includes housing, and be arranged in the housing data reception module, data outputting module, mutually
Electrification source and memory module；
The data acquisition pipe nipple includes pipe nipple III, pressure sensor and temperature sensor in pipe nipple；
The Master Communications pipe nipple includes pipe nipple II, the master control collecting unit being arranged in pipe nipple II, tag command control
Device, storage unit and electric-motor drive unit；The master control collecting unit respectively with tag command controller, storage unit, motor
Driving unit, mutual induction power-supply output unit, wireless communication unit, pressure sensor, temperature sensor connection；
The data that the pressure sensor, temperature sensor collect are stored in described by the master control collecting unit in real time
Storage unit；The tag command controller is used for the instruction for receiving the order label transmission, and the instruction is transferred to institute
State main control collecting unit；The main control collecting unit is according to the instruction received, to mutual induction power-supply output unit and wirelessly
Communication unit sends instruction respectively, is powered by information ball of the mutual induction power-supply output unit into correspondence position ball storehouse, and
Data in the storage unit are transferred to by described information ball by wireless communication unit, when this information ball does not have memory space
When, the main control collecting unit sends to the electric-motor drive unit and instructs, and starts driving motor, and screw rod drives ball storehouse forward
Translation, the information ball for being filled with information is removed from the opening on pipe nipple I, into the annular space between coiled tubing and casing；It is described
Mutual induction power-supply output unit, wireless communication unit carry out same operation to the information ball in next ball storehouse, are adopted until completing master control
Collect the instruction of unit；Information ball into annular space is discharged to ground as down-hole liquid returns, and is received by information ball acquisition equipment, described
Terrestrial information ball digital independent device reads the data in described information ball, and by the data transfer to server.
Further, the motor control and pitching pipe nipple are not provided with ball storehouse side in the pipe nipple I and are provided with fluid passage,
Perforation runner is formed in the pipe nipple I；On the side wall of pipe nipple I pouring orifice and row are respectively arranged with the both sides of the fluid passage
Hydraulic fluid port.
Further, the order label and tag command controller complete information transmission by radio frequency transmission mode.
Further, the order label is replaced by impulse generator, and impulse generator is installed on the ground, the label life
Controller is made to be replaced by pressure receiving unit, completing information by pressure pulse between the two transmits；
Alternatively, the order label is replaced by low frequency electromagnetic wave generating device, which is installed on
On ground, the tag command controller is replaced by low frequency electromagnetic wave receiving device, is completed between the two by low-frequency electromagnetic wave
Information is transmitted.
Further, the underground fracture wireless data transmission device further includes impulse generator and the peace installed on the ground
Pressure receiving unit in Master Communications pipe nipple, the impulse generator and pressure receiving unit are completed by pressure pulse
Information is transmitted；
Filled alternatively, the underground fracture wireless data transmission device further includes the low-frequency electromagnetic wave of installation on the ground
Put and the low frequency electromagnetic wave receiving device in Master Communications pipe nipple, the low frequency electromagnetic wave generating device and low frequency electromagnetic
Wave receiving device is completed information by low-frequency electromagnetic wave and is transmitted.
Further, the underground fracture wireless data transmission device further includes the pulse generation of installation on the ground
Device, low frequency electromagnetic wave generating device and pressure receiving unit, low frequency electromagnetic wave receiving device in Master Communications pipe nipple,
The impulse generator and pressure receiving unit are completed information by pressure pulse and are transmitted；The low frequency electromagnetic wave generating device and
Low frequency electromagnetic wave receiving device is completed information by low-frequency electromagnetic wave and is transmitted.
Further, station acquisition unit is also equipped with the Master Communications pipe nipple, it connects with the master control collecting unit
Connect, the well depth data collected is transmitted to the master control collecting unit by the station acquisition unit, is then stored in described deposit
Storage unit.
The underground fracture wireless data transmission device can gather pressure break data in underground, it is carried by information ball for data
Body, using drilling fluid as information ball delivery vehicle, realizes being wirelessly transferred for downhole data, reaches the real-time prison for fracturing effect
To survey, more traditional monitoring method, saves the substantial amounts of time, compared with by way of cable transmission pressure break data, uses manpower and material resources sparingly,
It ensure that the comprehensive and accuracy of admission data.
Brief description of the drawings
Fig. 1 is the structure diagram of underground fracture wireless data transmission device provided by the invention；
Fig. 2 is the structure diagram of motor control and pitching pipe nipple；
Fig. 3 is underground part circuit module schematic diagram.
Embodiment
Technical scheme is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figures 1 to 3, a kind of underground fracture wireless data transmission device, including order label 106, terrestrial information ball
Digital independent device 114, the label delivery apparatus 102 installed in well head and information ball acquisition equipment 113, installed in coiled tubing
Motor control and pitching pipe nipple 110, Master Communications pipe nipple 111, data acquisition pipe nipple 112 and battery pack 115 on 105；
Terrestrial information ball digital independent device 114 is connected with server, can be to the data that its transmission is read；
Battery pack 115 is controlled respectively with motor and pitching pipe nipple 110, Master Communications pipe nipple 111, data acquisition pipe nipple 112
Interior electrical equipment connection, for its power supply；
Label delivery apparatus 102 is used to put into order label 106 in casing 104；
Motor control and pitching pipe nipple 110 include pipe nipple I, information ball 204, ball storehouse 201, driving motor 205, screw rod 203,
Mutual induction power-supply output unit 211 and wireless communication unit 210；Mutual induction power-supply output unit 211 and wireless communication unit 210 are arranged side by side
It is arranged on the side wall of pipe nipple I, it is A to mark the position, and opening 213 is provided with above or below location A, is open 213
Size is more than the diameter of information ball 204；Ball storehouse 201 have it is multiple, it is in one line, be arranged in the pipe nipple I of location A side；Ball storehouse 201
Side wall the tangent with pipe nipple I is opening, and is provided with gasket 202 here；201 bottom of ball storehouse is equipped with screw thread, the screw thread
Match with screw rod 203, can be by the translation for changing into ball storehouse 201 of screw rod 203, screw rod 203 is installed on driving motor 205
On；When previous ball storehouse 201 is moved to the position of opening 213, latter ball storehouse face mutual induction power-supply output unit 211 and channel radio
Believe unit 210；An information ball 204 is placed with ball storehouse 201；Information ball 204 includes housing, and is arranged in housing
Data reception module, data outputting module, mutual induction power-supply and memory module；
Data acquisition pipe nipple 112 includes pipe nipple III, pressure sensor 308 and temperature sensor in pipe nipple
309；
Master Communications pipe nipple 111 includes pipe nipple II, the master control collecting unit 301 being arranged in pipe nipple II, tag command control
Device 302, storage unit 311 and electric-motor drive unit 305 processed；Master control collecting unit 301 respectively with tag command controller 302,
Storage unit 311, electric-motor drive unit 305, mutual induction power-supply output unit 211, wireless communication unit 210, pressure sensor
308th, temperature sensor 309 connects；
The data that pressure sensor 308, temperature sensor 309 collect are stored in by master control collecting unit 301 in real time
Storage unit 311；Tag command controller 302 is used for the instruction for receiving the transmission of order label 106, and the instruction is transferred to master control
Collecting unit 301 processed；Main control collecting unit 301 is according to the instruction received, to mutual induction power-supply output unit 211 and channel radio
Letter unit 210 sends instruction respectively, is supplied by information ball 204 of the mutual induction power-supply output unit 211 into correspondence position ball storehouse 201
Electricity, and the data in storage unit 311 are transferred to by information ball 204 by wireless communication unit 210, when this information ball is not deposited
When storing up space, main control collecting unit 301 sends to electric-motor drive unit 305 and instructs, and starts driving motor 205,203 band of screw rod
Dynamic ball storehouse translates forward, and the information ball 204 for being filled with information removes at the opening 213 on pipe nipple I, into 105 He of coiled tubing
Annular space between casing 104；Mutual induction power-supply output unit 211, wireless communication unit 210 carry out the information ball in next ball storehouse
Same operation, until completing the instruction of master control collecting unit 301；Information ball 204 into annular space is discharged to as down-hole liquid returns
Ground, is received by information ball acquisition equipment 113, and terrestrial information ball digital independent device 114 reads the data in information ball 204,
And by the data transfer to server.
When specifically used, if the underground fracture wireless data transmission device not with other well loggings or logging equipment at the same time
Use, in Master Communications pipe nipple 111 can also installation site collecting unit 304, it is connected with master control collecting unit 301, and position is adopted
The well depth data collected is transmitted to master control collecting unit 301 by collection unit 304, is then stored in storage unit 311.
In use, master control collecting unit 301 in real time deposits the data that pressure sensor 308, temperature sensor 309 collect
It is stored in storage unit 311；When needing data acquisition, order label 106 is put into casing 104 by label delivery apparatus 102,
Flow with drilling fluid or dropped with self gravitation, i.e. such as the direction represented by arrow 109 in Fig. 1, reach tag command control
When near device 302 processed, tag command controller 302 receives the instruction of the transmission of order label 106, and the instruction is transferred to master control
Collecting unit 301 processed；Main control collecting unit 301 is according to the instruction received, to mutual induction power-supply output unit 211 and channel radio
Letter unit 210 sends instruction respectively, is supplied by information ball 204 of the mutual induction power-supply output unit 211 into correspondence position ball storehouse 201
Electricity, and the data in storage unit 311 are transferred to by information ball 204 by wireless communication unit 210, when this information ball is not deposited
When storing up space, main control collecting unit 301 sends to electric-motor drive unit 305 and instructs, and starts driving motor 205,203 band of screw rod
Dynamic ball storehouse translates forward, and the information ball 204 for being filled with information removes at the opening 213 on pipe nipple I, into 105 He of coiled tubing
Annular space between casing 104；Mutual induction power-supply output unit 211, wireless communication unit 210 carry out the information ball in next ball storehouse
Same operation, until completing the instruction of master control collecting unit 301；Information ball 204 into annular space is discharged to as down-hole liquid returns
Direction in ground, i.e. Fig. 1 indicated by arrow 108, is received by information ball acquisition equipment 113, terrestrial information ball digital independent dress
The data in 114 reading information balls 204 are put, and the data transfer to server is connected.
It is worth noting that：When the device is applied to flowing well, order label 106 is launched, brill can be suppressed into pit shaft
The liquid such as well liquid or fracturing fluid, makes wellbore fluid flow downward, and drives order label 106 to be moved to underground, can also increase mark
The own wt of label, makes label sink using gravity, when information ball 204 discharges, can float with pit shaft from jetting liquid
Recycled to ground；
During applied to nonflowing well, when needing to deliver order label, drilling fluid can be suppressed into pit shaft, makes order label
106 flow with drilling fluid, when order label 106 moves to the effective of the tag command controller 302 of Master Communications pipe nipple 111
During communication range, you can receive instruction.
Down-hole liquid enters motor control and pitching pipe nipple 110 in order to prevent, destroys screw rod 203, motor control and pitching
Pipe nipple 110 is not provided with 201 side of ball storehouse in pipe nipple I and is provided with fluid passage 206, and perforation runner is formed in pipe nipple I；Pipe nipple I's
On side wall pouring orifice 208 and oil discharge outlet 209 are respectively arranged with the both sides of fluid passage 206.Before installation, first by motor control and
Pitching pipe nipple 110 is horizontal positioned, injects lubricating oil thereto by pouring orifice 208, when oil discharge outlet 209 has oil spill to go out, shows
Oil is full, and pouring orifice 208 and oil discharge outlet 209 are sealed.
In the specific implementation, order label 106 and tag command controller 302 complete information biography by radio frequency transmission mode
It is defeated.As the replacement of this kind of information transmission mode, following two modes can be also used：
1. order label 106 is replaced by impulse generator, impulse generator is installed on the ground, tag command controller
302 are replaced by pressure receiving unit, and completing information by pressure pulse between the two transmits；
2. order label 106 is replaced by low frequency electromagnetic wave generating device, which is installed on ground
On, tag command controller 302 is replaced by low frequency electromagnetic wave receiving device, and completing information by low-frequency electromagnetic wave between the two passes
It is defeated.
The normal work of device is influenced when single piece of information transmission mode breaks down in order to prevent, following three can also be used
Kind mode：
(1) underground fracture wireless data transmission device further includes installation impulse generator on the ground and installed in master control
The pressure receiving unit to communicate in pipe nipple 111, impulse generator and pressure receiving unit are completed information by pressure pulse and are transmitted；
(2) underground fracture wireless data transmission device further includes low frequency electromagnetic wave generating device and the peace installed on the ground
Low frequency electromagnetic wave receiving device in Master Communications pipe nipple 111, low frequency electromagnetic wave generating device and low-frequency electromagnetic wave receive
Device is completed information by low-frequency electromagnetic wave and is transmitted.
(3) underground fracture wireless data transmission device further includes impulse generator, the low-frequency electromagnetic wave of installation on the ground
Generating means and pressure receiving unit, low frequency electromagnetic wave receiving device in Master Communications pipe nipple 111, impulse generator
Information is completed with pressure receiving unit by pressure pulse to transmit；Low frequency electromagnetic wave generating device and low frequency electromagnetic wave receiving device
Information is completed by low-frequency electromagnetic wave to transmit.
Claims (7)
- A kind of 1. underground fracture wireless data transmission device, it is characterised in that：Including order label (106), terrestrial information ball number According to reading device (114), the label delivery apparatus (102) installed in well head and information ball acquisition equipment (113), installed in continuous Motor control and pitching pipe nipple (110), Master Communications pipe nipple (111), data acquisition pipe nipple (112) and electricity on oil pipe (105) Pond group (115)；The terrestrial information ball digital independent device (114) is connected with server, can be to the data that its transmission is read；The battery pack (115) is adopted with motor control and pitching pipe nipple (110), Master Communications pipe nipple (111), data respectively Collect the electrical equipment connection in pipe nipple (112), for its power supply；The label delivery apparatus (102) is used in the order label (106) input casing (104)；Motor control and pitching pipe nipple (110) include pipe nipple I, information ball (204), ball storehouse (201), driving motor (205), Screw rod (203), mutual induction power-supply output unit (211) and wireless communication unit (210)；The mutual induction power-supply output unit (211) Be juxtaposed on wireless communication unit (210) on the side wall of the pipe nipple I, it is A to mark the position, in the top of location A or Lower section is provided with opening (213), and the size of the opening (213) is more than the diameter of information ball (204)；The ball storehouse (201) has It is multiple, it is in one line, it is arranged in the pipe nipple I of location A side；The ball storehouse (201) and the side wall the tangent of pipe nipple I are opening, And gasket (202) is provided with here；Ball storehouse (201) bottom is equipped with screw thread, which matches with screw rod (203), The rotation of screw rod (203) can be changed into the translation of ball storehouse (201), the screw rod (203) is installed on the driving motor (205) On；When previous ball storehouse (201) is moved to the position of opening (213), mutual induction power-supply output unit described in latter ball storehouse face (211) and wireless communication unit (210)；An information ball (204) is placed with the ball storehouse (201)；Described information ball (204) housing is included, and data reception module, data outputting module, mutual induction power-supply and the storage being arranged in the housing Module；The data acquisition pipe nipple (112) includes pipe nipple III, the pressure sensor (308) in pipe nipple and temperature sensing Device (309)；The Master Communications pipe nipple (111) includes pipe nipple II, the master control collecting unit (301) being arranged in pipe nipple II, label life Make controller (302), storage unit (311) and electric-motor drive unit (305)；The master control collecting unit (301) respectively with mark Sign instruction control unit (302), storage unit (311), electric-motor drive unit (305), mutual induction power-supply output unit (211), wireless Communication unit (210), pressure sensor (308), temperature sensor (309) connection；The number that the master control collecting unit (301) in real time collects the pressure sensor (308), temperature sensor (309) According to being stored in the storage unit (311)；The tag command controller (302) is used to receive order label (106) biography Defeated instruction, and the instruction is transferred to the main control collecting unit (301)；Main control collecting unit (301) foundation The instruction received, sends instruction, by described respectively to mutual induction power-supply output unit (211) and wireless communication unit (210) Information ball (204) power supply of the mutual induction power-supply output unit (211) into correspondence position ball storehouse (201), and pass through wireless communication list Data in the storage unit (311) are transferred to described information ball (204) by first (210), when this information ball does not store sky Between when, the main control collecting unit (301) to the electric-motor drive unit (305) send instruct, start driving motor (205), screw rod (203) drives ball storehouse to translate forward, and the information ball (204) for being filled with information moves from the opening (213) on pipe nipple I Go out, the annular space between coiled tubing (105) and casing (104)；The mutual induction power-supply output unit (211), wireless communication Unit (210) carries out same operation to the information ball in next ball storehouse, until completing the instruction of master control collecting unit (301)；Into The information ball (204) for entering annular space is discharged to ground as down-hole liquid returns, and is received by information ball acquisition equipment (113), the ground Information ball digital independent device (114) reads the data in described information ball (204), and by the data transfer to server.
- 2. underground fracture wireless data transmission device as claimed in claim 1, it is characterised in that：The motor control and pitching are short Section (110) is not provided with ball storehouse (201) side in the pipe nipple I and is provided with fluid passage (206), and perforation is formed in the pipe nipple I Runner；On the side wall of pipe nipple I pouring orifice (208) and oil discharge outlet are respectively arranged with the both sides of the fluid passage (206) (209)。
- 3. underground fracture wireless data transmission device as claimed in claim 1 or 2, it is characterised in that：The order label (106) Information is completed with tag command controller (302) by radio frequency transmission mode to transmit.
- 4. underground fracture wireless data transmission device as claimed in claim 1 or 2, it is characterised in that：The order label (106) Replaced by impulse generator, impulse generator is installed on the ground, and the tag command controller (302) is by pressure receiving unit Replace, completing information by pressure pulse between the two transmits；Alternatively, the order label (106) is replaced by low frequency electromagnetic wave generating device, which is installed on On ground, the tag command controller (302) is replaced by low frequency electromagnetic wave receiving device, passes through low-frequency electromagnetic wave between the two Complete information transmission.
- 5. underground fracture wireless data transmission device as claimed in claim 1 or 2, it is characterised in that：The underground fracture data Radio transmitting device further includes the impulse generator of installation on the ground and the pressure in Master Communications pipe nipple (111) connects Receive unit, the impulse generator and pressure receiving unit and information transmission is completed by pressure pulse；Alternatively, the underground fracture wireless data transmission device further include installation low frequency electromagnetic wave generating device on the ground and Low frequency electromagnetic wave receiving device in Master Communications pipe nipple (111), the low frequency electromagnetic wave generating device and low-frequency electrical Magnetic wave reception device completes information transmission by low-frequency electromagnetic wave.
- 6. underground fracture wireless data transmission device as claimed in claim 1 or 2, it is characterised in that：The underground fracture Wireless data transmission device further includes installation impulse generator on the ground, low frequency electromagnetic wave generating device and installed in master control Pressure receiving unit, low frequency electromagnetic wave receiving device, the impulse generator and the pressure receiving unit to communicate in pipe nipple (111) Information is completed by pressure pulse to transmit；The low frequency electromagnetic wave generating device and low frequency electromagnetic wave receiving device pass through low-frequency electrical Magnetic wave completes information transmission.
- 7. underground fracture wireless data transmission device as claimed in claim 1 or 2, it is characterised in that：The Master Communications pipe nipple (111) station acquisition unit (304) is also equipped with, it is connected with the master control collecting unit (301), the station acquisition list The well depth data collected is transmitted to the master control collecting unit (301) by first (304), is then stored in the storage unit (311)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468373.1A CN107989602B (en) | 2017-12-29 | 2017-12-29 | Underground fracturing data wireless transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468373.1A CN107989602B (en) | 2017-12-29 | 2017-12-29 | Underground fracturing data wireless transmission device |
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| CN107989602A true CN107989602A (en) | 2018-05-04 |
| CN107989602B CN107989602B (en) | 2021-01-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979627A (en) * | 2018-08-08 | 2018-12-11 | 中国石油集团渤海钻探工程有限公司 | A kind of pressure break well test data wireless transmitting system and method based on mobile relay |
| CN109267940A (en) * | 2018-11-29 | 2019-01-25 | 中国矿业大学 | A kind of multi-stage reducing enlarging while drilling drilling tool and method based on Radio Frequency Identification Technology |
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