CN106014393B - Device for acoustic wave propagation magnetic positioning measurement data and using method thereof - Google Patents
Device for acoustic wave propagation magnetic positioning measurement data and using method thereof Download PDFInfo
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- CN106014393B CN106014393B CN201610335764.5A CN201610335764A CN106014393B CN 106014393 B CN106014393 B CN 106014393B CN 201610335764 A CN201610335764 A CN 201610335764A CN 106014393 B CN106014393 B CN 106014393B
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- 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
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The invention relates to the technical field of magnetic positioning measurement data transmission devices, in particular to a device for transmitting magnetic positioning measurement data by sound waves and a using method thereof. The device for transmitting the magnetic positioning measurement data by the sound waves has a reasonable and compact structure, is convenient to use, does not adopt a cable as a transmission carrier in the process of transmitting the magnetic positioning data to the ground, thereby avoiding the problems of large labor amount, long operation time and complicated working procedures of cable pulling and cable pulling existing in the use of the cable, and simultaneously avoiding the problem of transmission signal interruption of the cable, thereby ensuring the continuous drilling construction.
Description
Technical Field
The invention relates to the technical field of magnetic positioning measurement data transmission devices, in particular to a device for transmitting magnetic positioning measurement data by sound waves and a using method thereof.
Background
The heavy oil occupies a large proportion in the world oil gas resources and is an important component in petroleum hydrocarbon energy. According to statistics, the reserves of the heavy oil, the super heavy oil and the natural asphalt in the world are aboutIs 1000X 10 8 t. The Chinese heavy oil asphalt resource is widely distributed, more than 70 heavy oil fields are found in 12 basins, and the resource amount can reach 300 multiplied by 10 8 t is more than t. One of the effective ways to recover thick oil and ultra-thick oil resources is steam huff and puff recovery, but as the production scale is continuously enlarged, the contradiction of conventional steam huff and puff development is gradually exposed. In order to further improve the oil field recovery efficiency and keep the oil field stable, the conversion of the production mode is urgent. Practice proves that the steam assisted gravity drainage technology (SAGD oil recovery technology) can improve the recovery rate to about 60 percent, which is 30 percent higher than the conventional horizontal well steam huff-puff recovery rate, and the oil recovery technology is proved to be an effective heavy oil thermal recovery technology. The implementation method of the steam assisted gravity oil drainage technology comprises the following steps: drilling a pair of horizontal wells with parallel horizontal sections at the position close to an oil reservoir, injecting steam into the upper horizontal well, enabling the injected steam to upwards overlap in the stratum to form a steam cavity, continuously expanding towards the upper surface and the side surface, performing heat exchange with crude oil, draining the heated crude oil and steam condensate water into the lower production horizontal well under the action of gravity, and then producing by using a lifting method.
The magnetic positioning system used in SAGD well construction adopts a wired transmission mode to transmit data, namely, a magnetic positioning probe is connected with a ground computer through a 2-core or 4-core cable which is as long as hundreds of meters to transmit measurement data (underground magnetic positioning data such as triaxial acceleration and magnetic field change data), along with the increase of drilling depth, a P well (horizontal production well) needs to be connected with a new cable to enter the well in a welding or pressing mode to increase the total length of the cable, the process takes long time, the cable lifting amount is large, meanwhile, the process is complicated and easy to make mistakes, when the cable is connected with a single oil pipe, the phenomena of cable abrasion and squeezing-off often occur, so that signal interruption is caused, the drilling construction needs to be stopped temporarily, and the drilling progress is influenced.
Disclosure of Invention
The invention provides a device for transmitting magnetic positioning measurement data by sound waves and a using method thereof, overcomes the defects of the prior art, and can effectively solve the problem of cable transmission in the process of transmitting underground magnetic positioning data to the ground.
One of the technical schemes of the invention is realized by the following measures: a device for transmitting magnetic positioning measurement data by sound waves comprises a guide cylinder, a sound wave transmission outer cylinder, a wire passing joint, an instrument cabin cylinder, a battery cylinder and a magnetic positioning shell, wherein the outer side of the lower part of the guide cylinder is fixed with the inner side of the upper part of the sound wave transmission outer cylinder, the outer side of the lower part of the sound wave transmission outer cylinder is fixed with the inner side of the upper part of the wire passing joint, the outer side of the lower part of the wire passing joint is fixed with the inner side of the upper part of the magnetic positioning shell, a blind hole with an upward opening is arranged in the magnetic positioning shell, a magnetic positioning sensor is fixedly arranged in the blind hole, a limiting boss is fixed on the inner side of the upper part of the sound wave transmission outer cylinder, a limiting groove is arranged on the inner side of the upper part of the wire passing joint, a sealing head with a convex longitudinal section is fixed in the limiting groove, a first wire passing channel communicated with the blind hole is arranged in the wire passing joint, a second wire passing channel communicated with the first wire passing channel is arranged in the sealing head, the inner side of the lower part of the instrument cabin barrel is hermetically installed with the outer side of the upper part of the sealing head, the outer side of the upper part of the instrument cabin barrel is sleeved with the inner side of the limiting boss, the upper end of the instrument cabin barrel is hermetically fixed with a conversion plug, the outer side of the upper part of the conversion plug is hermetically fixed with the inner side of the lower part of the battery barrel, a third wire passing channel communicated with the battery barrel and the instrument cabin barrel is arranged in the conversion plug, a battery is fixedly arranged in the battery barrel, the piezoelectric ceramic transducer, the signal processing module and the power module are fixedly mounted in the instrument cabin cylinder below the limiting boss, the battery is electrically connected with the power module, the power module is electrically connected with the signal processing module, the magnetic positioning sensor and the piezoelectric ceramic transducer respectively, the signal processing module is electrically connected with the magnetic positioning sensor and the piezoelectric ceramic transducer respectively, and the guide cylinder is provided with a guide hole.
The following is a further optimization or/and improvement of one of the above-described technical solutions of the present invention:
the upper part of the battery cylinder is fixed with a centralizer, and the outer side of the centralizer is tightly propped against the inner side of the guide cylinder.
The number of the battery barrels is more than two, and the adjacent battery barrels are fixedly installed together through the centering device.
A positioning nut is fixedly arranged on the outer side of the instrument cabin barrel above the limiting boss, a positioning nut seat is arranged on the limiting boss, an adjusting ring and a compression nut are fixedly arranged between the piezoelectric ceramic transducer and the signal processing module from top to bottom, and longitudinally through wire passing holes are uniformly distributed on the adjusting ring and the compression nut; or/and a connecting cylinder is fixedly arranged between the inner side of the lower end of the battery cylinder and the outer side of the middle part of the conversion plug in a sealing manner, and a compression spring is arranged between the connecting cylinder and the top of the instrument cabin cylinder.
The signal processing module comprises a signal receiving and conditioning circuit module, a DSP underground digital signal processing module and a signal amplifying and transmitting circuit module, wherein a power supply module is respectively electrically connected with the signal receiving and conditioning circuit module, power supply input terminals of the DSP underground digital signal processing module and the signal amplifying and transmitting circuit module are electrically connected, a signal input terminal of the signal receiving and conditioning circuit module is electrically connected with an output terminal of the magnetic positioning sensor, a signal output terminal of the signal receiving and conditioning circuit module is electrically connected with an input terminal of the DSP underground digital signal processing module, an output terminal of the DSP underground digital signal processing module is electrically connected with an input terminal of the signal amplifying and transmitting circuit module, and an output terminal of the signal amplifying and transmitting circuit module is electrically connected with an input terminal of the piezoelectric ceramic transducer.
The upper part of the sealing head in the second wire passing channel is provided with a sealing groove, the lower part of the power supply module is fixedly installed in the sealing groove in a sealing way through at least one sealing ring, the inner side of the lower part of the instrument cabin barrel and the outer side of the upper part of the sealing head are fixedly installed together in a sealing way through at least one sealing ring, and the upper end of the instrument cabin barrel is fixedly installed with a conversion plug in a sealing way through at least one sealing ring.
The outer side of the lower part of the guide cylinder is fixedly installed with the inner side of the upper part of the sound wave transmission outer cylinder through threads, the outer side of the lower part of the sound wave transmission outer cylinder is fixedly installed with the inner side of the upper part of the wire passing joint through threads, and the outer side of the lower part of the wire passing joint is fixedly installed with the inner side of the upper part of the magnetic positioning shell through threads; or/and longitudinally through overflowing holes are distributed on the limiting boss at intervals along the circumference; or/and the magnetic positioning shell is made of titanium alloy.
The second technical scheme of the invention is realized by the following measures: the use method of the device for the acoustic wave propagation magnetic positioning measurement data comprises the following steps: the device for transmitting the magnetic positioning measurement data by sound waves is connected with an oil pipe string through a guide cylinder, an acceleration sensor is installed on an oil pipe on the ground, the device for transmitting the magnetic positioning measurement data by sound waves is placed in a horizontal well on the lower portion, the magnetic positioning sensor measures the magnetic positioning data, the magnetic positioning sensor transmits the measured magnetic positioning data to a signal receiving and conditioning circuit module, the signal receiving and conditioning circuit module filters and amplifies electric signals from the magnetic positioning sensor and then transmits the signals to a DSP underground digital signal processing module, the DSP underground digital signal processing module processes, calculates and codes the signals from the signal receiving and conditioning circuit module, then the coded data are converted into the electric signals through a digital-to-analog conversion unit of the DSP underground digital signal processing module, the DSP underground digital signal processing module transmits the electric signals to a signal amplification and transmission circuit module, the signal amplification and transmission circuit module amplifies the received signals and then transmits the amplified signals to a piezoelectric ceramic transducer, the piezoelectric ceramic transducer generates superposed longitudinal vibration according to the received signals, and the vibration sensor receives vibration signals through the oil pipe string.
The device for transmitting the magnetic positioning measurement data by the sound waves has a reasonable and compact structure, is convenient to use, does not adopt a cable as a transmission carrier in the process of transmitting the magnetic positioning data to the ground, thereby avoiding the problems of large labor amount, long operation time and complicated working procedures of cable pulling and cable pulling existing in the use of the cable, and simultaneously avoiding the problem of transmission signal interruption of the cable, thereby ensuring the continuous drilling construction.
Drawings
Fig. 1 is a schematic sectional structure view in front elevation of embodiment 1 of the present invention.
FIG. 2 isbase:Sub>A schematic sectional view of the sound wave transmission outer cylinder in the A-A direction.
Fig. 3 is a circuit block diagram of embodiment 1 of the present invention.
Fig. 4 is an enlarged schematic view of B of fig. 1.
The codes in the figures are respectively: the device comprises a guide shell 1, a sound wave transmission outer barrel 2, a wire connector 3, an instrument cabin barrel 4, a battery barrel 5, a magnetic positioning shell 6, a magnetic positioning sensor 7, a limiting boss 8, a sealing head 9, a first wire passing channel 10, a second wire passing channel 11, a conversion plug 12, a third wire passing channel 13, a piezoelectric ceramic transducer 14, a signal processing module 15, a power supply module 16, a centralizer 17, a positioning nut 18, a positioning nut 19, an adjusting ring 20, a compression nut 21, a sealing ring 21, a connecting barrel 22, a compression spring 23 and a flow passing hole 24.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described below with reference to the following examples and figures:
example 1: as shown in fig. 1 to 4, the device for transmitting magnetic positioning measurement data by sound waves comprises a draft tube 1, an outer sound wave transmission tube 2, a wire passing joint 3, an instrument cabin tube 4, a battery tube 5 and a magnetic positioning shell 6, wherein the outer side of the lower part of the draft tube 1 is fixed with the inner side of the upper part of the outer sound wave transmission tube 2, the outer side of the lower part of the outer sound wave transmission tube 2 is fixed with the inner side of the upper part of the wire passing joint 3, the outer side of the lower part of the wire passing joint 3 is fixed with the inner side of the upper part of the magnetic positioning shell 6, a blind hole with an upward opening is arranged in the magnetic positioning shell 6, a magnetic positioning sensor 7 is fixedly arranged in the blind hole, a limiting boss 8 is fixed on the inner side of the upper part of the outer sound wave transmission tube 2, a limiting groove is arranged on the inner side of the upper part of the wire passing joint 3, a sealing head 9 with a convex longitudinal section is fixed in the limiting groove, a first wire passing channel 10 communicated with the blind hole is arranged in the wire passing joint 3, a second wire passing channel 11 communicated with the first wire passing channel 10 is arranged in the sealing head 9, the inner side of the lower part of the instrument cabin barrel 4 is hermetically installed with the outer side of the upper part of the sealing head 9, the outer side of the upper part of the instrument cabin barrel 4 is sleeved with the inner side of the limiting boss 8, a conversion plug 12 is hermetically fixed at the upper end of the instrument cabin barrel 4, the outer side of the upper part of the conversion plug 12 is hermetically fixed with the inner side of the lower part of the battery barrel 5, a third wire passing channel 13 communicated with the battery barrel 5 and the instrument cabin barrel 4 is arranged in the conversion plug 12, a battery is fixedly installed in the battery barrel 5, a piezoelectric ceramic transducer 14, a signal processing module 15 and a power supply module 16 are fixedly installed in the instrument cabin barrel 4 below the limiting boss 8, the battery is electrically connected with the power supply module 16, and the power supply module 16 is respectively connected with the signal processing module 15, the magnetic positioning sensor 7 is electrically connected with the piezoelectric ceramic transducer 14, the signal processing module 15 is respectively electrically connected with the magnetic positioning sensor 7 and the piezoelectric ceramic transducer 14, and a guide hole is arranged on the guide cylinder 1. The magnetic positioning sensor 7, the piezoelectric ceramic transducer 14, the signal processing module 15 and the power supply module 16 are all well-known and commonly used technologies, and the power supply module 16 has the function of distributing voltage. In this embodiment, at the in-process with magnetic positioning data transmission to ground, do not adopt the cable as the transmission carrier to avoided using the cable to have taken off that the cable labour is big, the activity duration is long and the loaded down with trivial details problem of process, simultaneously, avoided using the cable the problem that transmission signal interrupted appears, thereby guaranteed going on of creeping into the construction continuously. The first wire passing channel 10, the second wire passing channel 11 and the third wire passing channel 13 are channels of cables such as signal wires. The guide holes can enable drilling fluid to freely flow into and out of the guide cylinder 1.
The device for the acoustic wave propagation magnetic positioning measurement data can be further optimized or/and improved according to actual needs:
as shown in fig. 1 to 4, a centralizer 17 is fixed on the upper part of the battery cylinder 5, and the outer side of the centralizer 17 is tightly pressed against the inner side of the guide cylinder 1. The centralizer 17 is a conventionally known centralizer 17, and the centralizer 17 has a centralizing effect on the battery barrel 5.
The number of the battery barrels 5 is more than two according to the requirement, and the adjacent battery barrels 5 are fixedly installed together through the centralizer 17.
As shown in the attached drawing 1, a positioning nut 18 is fixedly installed on the outer side of the instrument chamber barrel 4 above the limiting boss 8, the positioning nut 18 is seated on the limiting boss 8, an adjusting ring 19 and a compression nut 20 are fixedly installed between the piezoelectric ceramic transducer 14 and the signal processing module 15 from top to bottom, and longitudinally through wire passing holes are uniformly distributed on the adjusting ring 19 and the compression nut 20; or/and a connecting cylinder 22 is fixedly arranged between the inner side of the lower end of the battery cylinder 5 and the outer side of the middle part of the conversion plug 12 in a sealing way, and a compression spring 23 is arranged between the connecting cylinder 22 and the top of the instrument cabin cylinder 4. The arrangement of the positioning nut 18 can further improve the fixing stability of the instrument chamber cylinder 4 in the sound wave transmission outer cylinder 2. Cables such as signal wires may pass through the wire through holes.
As shown in fig. 3, the signal processing module 15 includes a signal receiving and conditioning circuit module, a DSP downhole digital signal processing module and a signal amplifying and transmitting circuit module, the power supply module 16 is electrically connected to the power supply input terminals of the signal receiving and conditioning circuit module, the DSP downhole digital signal processing module and the signal amplifying and transmitting circuit module, respectively, the signal input terminal of the signal receiving and conditioning circuit module is electrically connected to the output terminal of the magnetic positioning sensor 7, the signal output terminal of the signal receiving and conditioning circuit module is electrically connected to the input terminal of the DSP downhole digital signal processing module, the output terminal of the DSP downhole digital signal processing module is electrically connected to the input terminal of the signal amplifying and transmitting circuit module, and the output terminal of the signal amplifying and transmitting circuit module is electrically connected to the input terminal of the piezoelectric ceramic transducer 14. The signal receiving and conditioning circuit module, the DSP underground digital signal processing module and the signal amplifying and transmitting circuit module are all known and public circuit modules. The power module 16 converts the output voltage to form a plurality of different voltage outputs, and respectively supplies power to the magnetic positioning sensor 7, the piezoelectric ceramic transducer 14, the signal receiving and conditioning circuit module, the DSP underground digital signal processing module and the signal amplifying and transmitting circuit module. The signal receiving and conditioning circuit module receives the electric signal output by the magnetic positioning sensor 7, filters and amplifies the signal and transmits the signal to the DSP underground digital signal processing module, the DSP underground digital signal processing module receives the signal output by the signal receiving and conditioning circuit module, processes and calculates the signal to obtain effective data, the data is stored and encoded according to a certain rule and is transmitted to the signal amplifying and transmitting circuit module, and the signal amplifying and transmitting circuit module amplifies the received signal and transmits the amplified signal to the piezoelectric ceramic transducer 14.
As shown in fig. 1 to 4, a sealing groove is formed in the upper portion of the sealing head 9 in the second wire passing channel 11, the lower portion of the power module 16 is fixedly and hermetically installed in the sealing groove through at least one sealing ring 21, the inner side of the lower portion of the instrument chamber cylinder 4 is fixedly and hermetically installed together with the outer side of the upper portion of the sealing head 9 through at least one sealing ring 21, and the upper end of the instrument chamber cylinder 4 is fixedly and hermetically installed with the conversion plug 12 through at least one sealing ring 21. The arrangement of the sealing ring 21 can ensure the sealing performance in the instrument chamber cylinder 4, thereby preventing liquids such as drilling fluid and the like from entering the instrument chamber cylinder 4 and causing adverse effects on devices in the instrument chamber cylinder 4, and ensuring that the invention can continuously work.
According to the requirement, the outer side of the lower part of the guide cylinder 1 and the inner side of the upper part of the sound wave transmission outer cylinder 2 are fixedly installed together through threads, the outer side of the lower part of the sound wave transmission outer cylinder 2 and the inner side of the upper part of the wire passing joint 3 are fixedly installed together through threads, and the outer side of the lower part of the wire passing joint 3 and the inner side of the upper part of the magnetic positioning shell 6 are fixedly installed together through threads; or/and longitudinally through overflowing holes 24 are distributed on the limiting boss 8 at intervals along the circumference; or/and the magnetic positioning shell 6 is a titanium alloy magnetic positioning shell 6.
Example 2: as shown in fig. 3, the method for using the device for the acoustic wave propagation magnetic positioning measurement data is carried out as follows: the device for transmitting the magnetic positioning measurement data by sound waves is connected with an oil pipe string through a guide cylinder 1, an acceleration sensor is installed on an oil pipe on the ground, the device for transmitting the magnetic positioning measurement data by sound waves is placed into a lower horizontal well (P well), the magnetic positioning sensor 7 measures the magnetic positioning data, the magnetic positioning sensor 7 transmits the measured magnetic positioning data to a signal receiving and conditioning circuit module, the signal receiving and conditioning circuit module filters and amplifies electric signals from the magnetic positioning sensor 7 and then transmits the signals to a DSP (digital signal processor) underground digital signal processing module, the DSP underground digital signal processing module processes, calculates and encodes the signals from the signal receiving and conditioning circuit module, the encoded data are converted into electric signals through a digital-to-analog conversion unit of the DSP underground digital signal processing module, the DSP underground digital signal processing module transmits the electric signals to a signal amplification and transmission circuit module, the signal amplification and transmission circuit module amplifies the received signals and then transmits the amplified signals to a piezoelectric ceramic transducer 14, the piezoelectric ceramic transducer 14 generates superposed longitudinal vibration according to the received signals, and the acceleration sensor receives vibration signals through the oil pipe string. After the computer decodes the vibration signals received by the acceleration sensor, the vibration signals are reduced into bottom magnetic positioning measurement data, and the bottom magnetic positioning measurement data are calculated by magnetic positioning acquisition and analysis software to obtain parameters such as the distance between a magnetic field source generator in the I well (upper horizontal well) and a three-axis magnetic field of the P well (lower horizontal well) and the magnetic positioning sensor 7, the offset angle and the like, so as to guide the track control and correction of the I well. The magnetic positioning data includes triaxial acceleration and magnetic field variation data, etc. In this embodiment, at the in-process with magnetic positioning data transmission to ground, do not adopt the cable as the transmission carrier to avoided using the cable to have taken off that the cable labour is big, the activity duration is long and the loaded down with trivial details problem of process, simultaneously, avoided using the cable the problem that transmission signal interrupted appears, thereby guaranteed going on of creeping into the construction continuously.
In conclusion, the device for transmitting the magnetic positioning measurement data by the sound waves has a reasonable and compact structure and is convenient to use, and in the process of transmitting the magnetic positioning data to the ground, a cable is not adopted as a transmission carrier, so that the problems of large labor amount, long operation time and complicated working procedures of cable pulling and cable pulling existing in the use of the cable are solved, meanwhile, the problem of signal transmission interruption in the use of the cable is solved, and the continuous drilling construction is ensured.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (1)
1. A method for using a device for acoustic wave propagation magnetic positioning measurement data is characterized in that: the device for transmitting the magnetic positioning measurement data by sound waves is connected with an oil pipe string through a guide cylinder, an acceleration sensor is installed on the oil pipe on the ground, the device for transmitting the magnetic positioning measurement data by sound waves is placed into a horizontal well on the lower portion, the magnetic positioning sensor measures the magnetic positioning data, the magnetic positioning sensor transmits the measured magnetic positioning data to a signal receiving and conditioning circuit module, the signal receiving and conditioning circuit module filters and amplifies electric signals from the magnetic positioning sensor and then transmits the signals to a DSP underground digital signal processing module, the DSP underground digital signal processing module processes, calculates and encodes the signals from the signal receiving and conditioning circuit module, then the encoded data are converted into electric signals through a digital-to-analog conversion unit of the DSP underground digital signal processing module, the DSP underground digital signal processing module transmits the electric signals to a signal amplifying and transmitting circuit module, the signals are amplified and then transmitted to a piezoelectric ceramic transducer, the piezoelectric ceramic transducer generates longitudinal vibration acceleration capable of superposition according to the received signals, and the vibration signal is received by the oil pipe string;
the device for transmitting the magnetic positioning measurement data by the sound waves comprises a guide cylinder, a sound wave transmission outer cylinder, a wire passing joint, an instrument cabin cylinder, a battery cylinder and a magnetic positioning shell, wherein the outer side of the lower part of the guide cylinder is fixed with the inner side of the upper part of the sound wave transmission outer cylinder, the outer side of the lower part of the sound wave transmission outer cylinder is fixed with the inner side of the upper part of the wire passing joint, the outer side of the lower part of the wire passing joint is fixed with the inner side of the upper part of the magnetic positioning shell, a blind hole with an upward opening is arranged in the magnetic positioning shell, a magnetic positioning sensor is fixedly arranged in the blind hole, a limiting boss is fixed on the inner side of the upper part of the sound wave transmission outer cylinder, a limiting groove is arranged on the inner side of the upper part of the wire passing joint, a sealing head with a convex longitudinal section is fixed in the limiting groove, a first wire passing channel communicated with the blind hole is arranged in the wire passing joint, a second wire passing channel communicated with the first wire passing channel is arranged in the sealing head, the inner side of the lower part of the instrument cabin barrel is hermetically installed with the outer side of the upper part of the sealing head, the outer side of the upper part of the instrument cabin barrel is sleeved with the inner side of the limiting boss, the upper end of the instrument cabin barrel is hermetically fixed with a conversion plug, the outer side of the upper part of the conversion plug is hermetically fixed with the inner side of the lower part of the battery barrel, a third wire passing channel communicated with the battery barrel and the instrument cabin barrel is arranged in the conversion plug, a battery is fixedly arranged in the battery barrel, a piezoelectric ceramic transducer, a signal processing module and a power supply module are fixedly arranged in the instrument cabin cylinder below the limiting boss, a battery is electrically connected with the power supply module, the power supply module is electrically connected with the signal processing module, the magnetic positioning sensor and the piezoelectric ceramic transducer respectively, the signal processing module is electrically connected with the magnetic positioning sensor and the piezoelectric ceramic transducer respectively, and a guide flow hole is formed in the guide flow cylinder;
the upper part of each battery barrel is fixedly provided with a centralizer, the outer side of each centralizer is tightly propped against the inner side of the guide flow barrel, the number of the battery barrels is more than two, and the adjacent battery barrels are fixedly installed together through the centralizers;
a positioning nut is fixedly arranged on the outer side of the instrument cabin barrel above the limiting boss, a positioning nut seat is arranged on the limiting boss, an adjusting ring and a compression nut are fixedly arranged between the piezoelectric ceramic transducer and the signal processing module from top to bottom, and longitudinally-through wire passing holes are uniformly distributed in the adjusting ring and the compression nut; a connecting cylinder is fixedly arranged between the inner side of the lower end of the battery cylinder and the outer side of the middle part of the conversion plug in a sealing manner, and a compression spring is arranged between the connecting cylinder and the top of the instrument cabin cylinder;
the signal processing module comprises a signal receiving and conditioning circuit module, a DSP underground digital signal processing module and a signal amplifying and transmitting circuit module, the power supply module is respectively and electrically connected with the power supply input terminals of the signal receiving and conditioning circuit module, the DSP underground digital signal processing module and the signal amplifying and transmitting circuit module, the signal input terminal of the signal receiving and conditioning circuit module is electrically connected with the output terminal of the magnetic positioning sensor, the signal output terminal of the signal receiving and conditioning circuit module is electrically connected with the input terminal of the DSP underground digital signal processing module, the output terminal of the DSP underground digital signal processing module is electrically connected with the input terminal of the signal amplifying and transmitting circuit module, and the output terminal of the signal amplifying and transmitting circuit module is electrically connected with the input terminal of the piezoelectric ceramic transducer;
a sealing groove is formed in the upper part of a sealing head in the second wire passing channel, the lower part of the power supply module is fixedly and hermetically arranged in the sealing groove through at least one sealing ring, the inner side of the lower part of the instrument cabin cylinder and the outer side of the upper part of the sealing head are fixedly and hermetically arranged together through at least one sealing ring, and a conversion plug is fixedly and hermetically arranged at the upper end of the instrument cabin cylinder through at least one sealing ring;
the outer side of the lower part of the guide cylinder is fixedly installed with the inner side of the upper part of the sound wave transmission outer cylinder through threads, the outer side of the lower part of the sound wave transmission outer cylinder is fixedly installed with the inner side of the upper part of the wire passing joint through threads, and the outer side of the lower part of the wire passing joint is fixedly installed with the inner side of the upper part of the magnetic positioning shell through threads; longitudinally through overflowing holes are distributed on the limiting boss at intervals along the circumference; the magnetic positioning shell is made of titanium alloy.
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| CN106894780B (en) * | 2017-03-14 | 2023-03-24 | 天津森特聚尔新能源技术有限公司 | Magnetic guide probe pipe conveying device for L-shaped well butt joint and butt joint method |
| CN110821483B (en) * | 2019-11-23 | 2022-11-04 | 中国石油集团西部钻探工程有限公司 | Drill column radial coupling micro-relay transmission device for while-drilling geological guide system |
| CN112904344B (en) * | 2021-02-07 | 2023-11-10 | 中国石油化工股份有限公司 | Ultrasonic treatment device with positioning function |
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