CN201526315U - Drilling parameter acquisition device using acoustic wave for transmission through drill rod - Google Patents

Drilling parameter acquisition device using acoustic wave for transmission through drill rod Download PDF

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Publication number
CN201526315U
CN201526315U CN2009202451607U CN200920245160U CN201526315U CN 201526315 U CN201526315 U CN 201526315U CN 2009202451607 U CN2009202451607 U CN 2009202451607U CN 200920245160 U CN200920245160 U CN 200920245160U CN 201526315 U CN201526315 U CN 201526315U
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module
data
joins
sound wave
transmission
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CN2009202451607U
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Chinese (zh)
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赵栓峰
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西安科技大学
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Abstract

The utility model discloses a drilling parameter acquisition device using acoustic wave for transmission through a drill rod, which comprises a data acquisition and transmission module, a data receiving module and an upper monitoring system. The data acquisition and transmission module arranged on a drill of a drilling machine is used for transmitting detection signals by adopting the drill rod; the data receiving module is installed at the tail portion of the drill rod of the drilling machine; and the upper monitoring system is connected with the data receiving module. The data acquisition and transmission module includes a data acquisition module, a data processing module 1, a data compression and encoding module and an acoustic wave transduction and transmission module; the data receiving module includes an acoustic wave receiver, a data decoding and uncompressing module and a data processing module 2; and the data processing module 2 is bidirectionally communicated with the upper monitoring system through wireless communication mode. The drilling parameter acquisition device has the advantages of reasonable design, low cost, convenient installation, arrangement and connection, fine use effect and capabilities of effectively overcoming the shortcomings of low transmission rate and short transmission distance when electromagnetic wave fluctuating signal transmission technology is used, and avoiding high cost and high failure rate caused by using wired data transmission mode.

Description

Utilize sound wave to pass through the drilling parameter harvester of drill pipe transmission

Technical field

The utility model relates to a kind of data acquisition unit, especially relates to a kind of drilling parameter harvester that utilizes sound wave to pass through drill pipe transmission.

Background technology

Because the polytropy of numerous influence factors in the complexity of rock and the drilling process makes probing production become the activities of a more complicated.Process for such complexity, realize targets such as safety, high-quality, efficient, low consumption, except that being optimized the design to the drilling technology technology, also to grasp the situation of change of each parameter in the drilling process in real time, and change according to parameter and timely and effectively drilling technology to be regulated, its transfer of data is a key issue.

Measurement while drilling in the mud well is to utilize mud-pulse to transmit signal, this technology is ripe, but can not be used for horizontal drilling, that replace it is electromagnetic impulse signal transmission technology (EMMWD-Electromagnetic Measurement While Drilling).EMMWD utilizes ultra-low frequency electromagnetic wave directly to pass the stratum to arrive geoceiver, if boring is dark, formation impedance is less, is attenuated in transmission course, can not arrive ground and effectively be received, and the transmission range of signal is generally 700 meters to 3000 meters.Because it uses its carrier frequency of low-frequency electromagnetic wave low, the transfer rate of data is also lower, can not real-time Transmission information.In order to satisfy the requirement of real-time Transmission, generally adopt the mode of wire transmission, the lead of promptly in drilling rod, packing into, this causes a series of problems such as the manufacturing process of drilling rod is complicated and break down easily in drilling process.

The utility model content

Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of drilling parameter harvester that utilizes sound wave to pass through drill pipe transmission is provided, it is reasonable in design, cost is low, it is good that laying and easy-to-connect and result of use be installed, can effectively overcome and utilize the shortcoming that electromagnetic wave fluctuating signal transmission technology transfer rate is low, transmission range is near, and overcome the expensive and high fault rate of utilizing the wire transmission data mode to bring.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of drilling parameter harvester that utilizes sound wave to pass through drill pipe transmission, it is characterized in that: comprise be laid on the rig drill bit and utilize data acquisition and sending module that drilling rod is sent to detection signal, be installed in the borer drill rod afterbody and the data reception module that is used with data acquisition and sending module and be laid in the ground handling station and with the upper location supervisory that data reception module joins, carry out two-way communication with communication between described data reception module and upper location supervisory; The data processing module one that described data acquisition and sending module comprise data acquisition module, join with described data acquisition module, the data compression of joining with described data processing module one and coding module and the sound wave transducing and the sending module that join with described data compression and coding module; Data decode that described data reception module comprises the acoustic receiver that is used with described sound wave transducing and sending module, join with acoustic receiver and decompression module and the data processing module two that joins with described data decode and decompression module, described data decode and decompression module are corresponding with described data compression and coding module, carry out two-way communication with communication between described data processing module two and upper location supervisory.

The signal condition module one that described data acquisition module comprises sensor unit, join with sensor unit, the A/D converter one that joins with signal condition module one; Described data processing module one is the ARM microprocessor one that joins with A/D converter one; Described data compression and coding module comprise the condensing encoder that joins with ARM microprocessor one, the spread spectrum coding module of joining with condensing encoder and the D/A converter that joins with the spread spectrum coding module; Described sound wave transducing and sending module comprise and join with the spread spectrum coding module and be used to produce the sonic generator of acoustic signals and the drive circuit that joins with sonic generator, the use that matches of sonic generator and acoustic receiver.

The A/D converter two that described data decode and decompression module comprise the signal condition module two of joining with acoustic receiver, join with signal condition module two, the spreading spectrum and decoding module of joining with A/D converter two and the decompression module that joins with the spreading spectrum and decoding module; Described data processing module two is the ARM microprocessor two that joins with decompression module.

Also comprise the automatic alarm unit that joins with upper location supervisory, described automatic alarm unit is fixed on the rig floor.

The wireless signal Transmit-Receive Unit one that joins with it is installed on described data reception module, is laid with the wireless signal Transmit-Receive Unit two that joins with upper location supervisory in the ground handling station.

Described sensor unit comprises a plurality of sensors that are laid in corresponding measuring point on the rig drill bit, dust water content sensor that described a plurality of sensors comprise the temperature pick up that detects in real time to the pressure sensor that detects in real time of boring internal pressure, to the drill bit operating temperature, detect in real time to stratum water outlet situation and the magnetometer that the earth magnetism magnetic line of force in the zone of holing is distributed and detects in real time.

Be connected in the wired or wireless communication mode between described data acquisition and sending module and upper location supervisory.

Also comprise respectively the supplying cell that joins with described data processing module one and data processing module two, two of described supplying cell and described data processing module one and data processing modules all are connected to power management module.

Described drilling rod is the kelly bar that is positioned at the rig floor top, and described data reception module and wireless signal Transmit-Receive Unit one are assembled into one by securing member and are installed in kelly bar top.

Also comprise the state display module that joins with upper location supervisory; Described data acquisition and sending module are installed in external shell inside and described external shell is clamped on the drilling rod at rig drill bit place by clip.

The utility model compared with prior art has the following advantages:

1, laying and easy-to-connect and cost is low, it is easy and simple to handle to use are installed.

2, modern design utilizes the sound wave communication system that the drilling rod of the related work parameter in the rig process by rig is sent to the drilling rod afterbody from drill bit, is about to the transmission medium of borer drill rod effect acoustic signals.

3, result of use is good, not only data transmission bauds is fast and loss of signal is little, when utilizing sound wave to carry out the transmission of running parameter signal, can use for reference radio network technique and carry out the sound wave communication networking, transmitting power is little, its drill bit end can utilize battery to power, thereby has assembly structure and the littler electric power system that takes up room, and realizes that high-speed real-time ground transmits the drill bit test data to upper location supervisory and the purpose that focuses on.Compare with EMMWD (electromagnetic impulse signal) technology, the utility model can reduce transmitting power a lot, also can use simultaneously and use the littler battery of energy, thereby can use littler electric power system.During actual the use, the detection signal that the utility model can be gathered a plurality of sensor that is installed in drill bit top, pass through analog-digital converter, condensing encoder, spread spectrum multiple access encoder and acoustic wave transducer collection are that data signal is converted to acoustic signals again with the analog signal conversion that collects, utilize drilling rod as the sound wave conductor within it portion transmit, it is expensive to have solved on the one hand the high fault that existing wire transmission method causes, solved the interference problem of utilizing rig vibrations noise to cause by the spread spectrum multiple access coding techniques on the other hand, has following outstanding beneficial effect, not only overcome and utilized electromagnetic wave fluctuating signal transmission technology transfer rate low, the shortcoming that transmission range is near, and overcome the expensive and high fault rate of utilizing the wire transmission data mode to bring.

4, the two-way communication realization is easy, the collection of very convenient drill bit running parameter and transmission control.

5, adopt wireless mode to carry out the signal transmission, existing multiple inconvenience in the time of effectively overcoming wired mode transmitting signal, specifically be to utilize the easy soniferous characteristic of drilling rod to carry out the data transmission, reduced the complexity of drilling rod production technology, simplified the manufacturing process of drilling rod, system wiring is simple and processing cost is little, has saved overspending.

In sum, the utility model is reasonable in design, cost is low, laying and easy-to-connect are installed and result of use is good, signaling rate is fast, loss of signal is little, can effectively overcome and utilize the shortcoming that electromagnetic wave fluctuating signal transmission technology transfer rate is low, transmission range is near, and overcome the expensive and high fault rate of utilizing the wire transmission data mode to bring.

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

Description of drawings

Fig. 1 is an installation position structural representation of the present utility model.

Fig. 2 is a schematic block circuit diagram of the present utility model.

Fig. 3 is the structural representation of the utility model data acquisition and sending module.

Description of reference numerals:

The 1-data reception module; The 1-1-acoustic receiver; 1-2-signal condition module two;

1-3-A/D converter two; 1-4-spreading spectrum and decoding module; The 1-5-decompression module;

1-6-ARM microprocessor two; 2-wireless signal Transmit-Receive Unit one; 3-wireless signal Transmit-Receive Unit two;

The 4-upper location supervisory; The automatic alarm unit of 5-; 6-water tap fixture;

The 7-securing member; The 8-kelly bar; The 9-drill string;

10-data acquisition and sending module; The 10-1-sensor unit; The 10-11-pressure sensor;

The 10-12-temperature pick up; 10-13-dust water content sensor; The 10-14-magnetometer;

10-2-signal condition module one; 10-3-A/D converter one; 10-4-ARM microprocessor one;

The 10-5-condensing encoder; 10-6-spread spectrum coding module; The 10-7-D/A converter;

The 10-9-sonic generator; The 10-10-drive circuit; The 16-supplying cell;

The 17-external shell; The 18-nut fastener; 19-rig drill bit;

The 20-power management module; 21-ground handling station; The 22-rig floor;

23-state display module.

The specific embodiment

As shown in Figure 1 and Figure 2, the utility model comprises and is laid on the rig drill bit 19 and utilizes data acquisition and sending module 10 that drilling rod is sent to detection signal, be installed in the borer drill rod afterbody and the data reception module 1 that is used with data acquisition and sending module 10 and the upper location supervisory 4 that is laid in the ground handling station 21 and joins with data reception module 1, and 4 of described data reception module 1 and upper location supervisories carry out two-way communication with communication.The data processing module one that described data acquisition and sending module 10 comprise data acquisition module, join with described data acquisition module, the data compression of joining with described data processing module one and coding module and the sound wave transducing and the sending module that join with described data compression and coding module.Data decode that described data reception module 1 comprises the acoustic receiver 1-1 that is used with described sound wave transducing and sending module, join with acoustic receiver 1-1 and decompression module and the data processing module two that joins with described data decode and decompression module, described data decode and decompression module are corresponding with described data compression and coding module, and 4 of described data processing module two and upper location supervisories carry out two-way communication with communication.

Signal condition module one 10-2 that in the present embodiment, described data acquisition module comprises sensor list 10-1, join with sensor unit 10-1, A/D converter one 10-3 that joins with signal condition module one 10-2.Described data processing module one is ARM microprocessor one 10-4 that joins with A/D converter one 10-3.Described data compression and coding module comprise the condensing encoder 10-5 that joins with ARM microprocessor one 10-4, the spread spectrum coding module 10-6 that joins with condensing encoder 10-5 and the D/A converter 10-7 that joins with spread spectrum coding module 10-6.Described sound wave transducing and sending module comprise and join with spread spectrum coding module 10-6 and be used to produce the sonic generator 10-9 of acoustic signals and the drive circuit 10-10 that joins with sonic generator 10-9, sonic generator 10-9 and the acoustic receiver 1-1 use that matches.The vibration machine of described sonic generator 10-9 for making by the quartz piezoelectric crystal sheet.

A/D converter two 1-3 that described data decode and decompression module comprise signal condition module two 1-2 that join with acoustic receiver 1-1, join with signal condition module two 1-2, the spreading spectrum and decoding module 1-4 that joins with A/D converter two 1-3 and the decompression module 1-5 that joins with spreading spectrum and decoding module 1-4.Described data processing module two is ARM microprocessor two 1-6 that join with decompression module 1-5.Described data processing module one, data compression and coding module, sound wave transducing and sending module, acoustic receiver 1-1, data decode and decompression module and data processing module two are formed the sound wave communication system.In the actual use, 4 of described data acquisition and sending module 10 and upper location supervisories are connected in the wired or wireless communication mode.That is to say that described sound wave communication system is a duplex mode, be arranged on the control instruction that rig drill bit 19 interior data processing modules one also can be received upper location supervisory 4.Described signal condition module one 10-2 and signal condition module two 1-2 are signal and amplify and filter circuit.

Simultaneously, the utility model also comprises automatic alarm unit 5 that joins with upper location supervisory 4 and the state display module 23 that joins with upper location supervisory 4, and described automatic alarm unit 5 is fixed on the rig floor 22.

The wireless signal Transmit-Receive Unit 1 that joins with it is installed on described data reception module 1, is laid with the wireless signal Transmit-Receive Unit 23 that joins with upper location supervisory 4 in the ground handling station 21.

Described sensor unit 10-1 comprises a plurality of sensors that are laid in corresponding measuring point on the rig drill bit 19, dust water content sensor 10-13 that described a plurality of sensors comprise the temperature pick up 10-12 that detects in real time to the pressure sensor 10-11 that detects in real time of boring internal pressure, to the drill bit operating temperature, detect in real time to stratum water outlet situation and the magnetometer 10-14 that the earth magnetism magnetic line of force in the zone of holing is distributed and detects in real time.The quantity of described magnetometer 10-14 is a plurality of.In the actual use,, be used to judge the purification journey of boring by pressure sensor 10-11 testing bore holes internal pressure; Operating temperature by temperature pick up 10-12 judgement rig drill bit 19 just can cause that temperature raises if rig drill bit 19 damages, and can judge damaged condition of rig drill bit 19 and whether will change rig drill bit 19 with this; By dust water content sensor 10-13 formation testing water outlet situation; The earth magnetism magnetic line of force of judging the boring zone by magnetometer 10-14 distributes, and can calculate the actual speed of rig drill bit 19 according to the detection data of two vertical magnetometer 10-14 of rig drill bit 19 cross sections.During actual the use, described signal processing module one is arranged to the control instruction of carrying out upper location supervisory, detect data to collect a plurality of sensors, and the pattern of corresponding analysis sensing data and setting compares the decision transmission priority, and can be according to the dormancy and the awakening mode of sensing data decision systems.

In addition, the utility model also comprises respectively the supplying cell 16 that joins with described data processing module one and data processing module two, and two of described supplying cell 16 and described data processing module one and data processing modules all are connected to power management module 20.

In the present embodiment, described drilling rod is the kelly bar 8 that is positioned at rig floor 22 tops, and described data reception module 1 and wireless signal Transmit-Receive Unit 1 are assembled into one by securing member 7 and are installed in kelly bar 8 tops.Be laid in water tap fixture 6 belows after described data reception module 1 and wireless signal Transmit-Receive Unit 1 are assembled into one, being installed on the rig drill bit 19 is drill string 9.In conjunction with Fig. 3, described data acquisition and sending module 10 are installed in external shell 17 inside and described external shell 17 is clamped on the drilling rod at rig drill bit 19 places by clip.The supplying cell 16 that joins with described data processing module one all is laid in the external shell 17, and correspondence is provided with nut fastener 18 on the external shell 17.

The course of work of the present utility model is: described pressure sensor 10-11, temperature pick up 10-12, dust water content sensor 10-13 and magnetometer 10-14 the relevant work parameter in the borer drilling procedure that detects sent into that signal amplifies and the rate circuit carries out filtering and amplify after, send into A/D converter one 10-3 again and carry out analog-to-digital conversion, afterwards ARM microprocessor one 10-4 that joins with A/D converter one 10-3 will through the survey data of analog-to-digital conversion and packing number send into that condensing encoder 10-5 compresses and corresponding encode by spread spectrum coding module 10-6 after, be converted to analog signal by D/A converter 10-7 again and export sonic generator 10-9 to, sonic generator 10-9 issues out acoustic signals in the driving effect of drive circuit 10-10; After described data acquisition and sending module 10 sent acoustic signals, the drilling rod by rig was sent to data reception module 1; Described data reception module 1 receives behind the acoustic signals that data acquisition and sending module 10 send by acoustic receiver 1-1, earlier through signal amplify and filter circuit after send into A/D converter two 1-3 again and carry out analog-to-digital conversion after, decode and decompress by spreading spectrum and decoding module 1-4 and decompression module 1-5 successively again, and the corresponding survey data that institute is received and handles is delivered to ARM microprocessor two 1-6; At last, ARM microprocessor two 1-6 deliver to upper location supervisory 4 with the data that received by communication.

To sum up, utilizing the acoustic signals that borer drill rod transmits in the utility model is information, should be digitized earlier; Then, this digitized information is extended on the frequency band of a broad by CDMA (CDMA technology), again this extend information is carried out the D/A conversion afterwards, by sonic generator 10-9 above-mentioned extend information is converted to acoustic signals then; Then pass to receiving terminal by drilling rod.Especially in order to reduce the bit rate of transmission information, can before transmission link, introduce condensing encoder 10-5 (condensing encoder 10-5 can be reduced to about 0.5~2 kilobit (kbit/s) with the significant bit rate of transmission signal), just can reduce the delivery flow rate of data effectively.Receiving terminal receives from the borer drill rod transmission and earlier acoustic signals is converted to the signal of telecommunication behind the next acoustic signals, and then this signal is carried out the A/D conversion, and carries out de-spread according to CDMA technology.To this, the extended code that synchronously adopts emitting side when expansion, to use.In the acoustic signals transmission course, the operating frequency of sonic generator 10-9 and acoustic receiver 1-1 is 2MHz, its operating frequency by upper location supervisory 4 according to acoustic signals in borer drill rod transmission characteristic and the internal diameter of drilling tool determine.During actual the use, acoustic signals is transmitted on frequency 20~30 KHzs and carries out, and information is extended to ± 10 KHzs.

The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.

Claims (10)

1. drilling parameter harvester that utilizes sound wave to pass through drill pipe transmission, it is characterized in that: comprise the data acquisition and the sending module (10) that are laid in rig drill bit (19) and go up and utilize drilling rod that detection signal is sent to, be installed in the borer drill rod afterbody and the data reception module (1) that is used with data acquisition and sending module (10) and be laid in ground handling station (21) interior and with the upper location supervisory (4) that data reception module (1) joins, carry out two-way communication with communication between described data reception module (1) and upper location supervisory (4); The data processing module one that described data acquisition and sending module (10) comprise data acquisition module, join with described data acquisition module, the data compression of joining with described data processing module one and coding module and the sound wave transducing and the sending module that join with described data compression and coding module; Data decode that described data reception module (1) comprises the acoustic receiver (1-1) that is used with described sound wave transducing and sending module, join with acoustic receiver (1-1) and decompression module and the data processing module two that joins with described data decode and decompression module, described data decode and decompression module are corresponding with described data compression and coding module, carry out two-way communication with communication between described data processing module two and upper location supervisory (4).
2. according to the described drilling parameter harvester that utilizes sound wave to pass through drill pipe transmission of claim 1, it is characterized in that: the signal condition module one (10-2) that described data acquisition module comprises sensor unit (10-1), join with sensor unit (10-1), the A/D converter one (10-3) that joins with signal condition module one (10-2); Described data processing module one is the ARM microprocessor one (10-4) that joins with A/D converter one (10-3); Described data compression and coding module comprise the condensing encoder (10-5) that joins with ARM microprocessor one (10-4), the spread spectrum coding module (10-6) of joining with condensing encoder (10-5) and the D/A converter (10-7) that joins with spread spectrum coding module (10-6); Described sound wave transducing and sending module comprise and join with spread spectrum coding module (10-6) and be used to produce the sonic generator (10-9) of acoustic signals and the drive circuit (10-10) that joins with sonic generator (10-9), the use that matches of sonic generator (10-9) and acoustic receiver (1-1).
3. according to the described drilling parameter harvester that utilizes sound wave to pass through drill pipe transmission of claim 2, it is characterized in that: the A/D converter two (1-3) that described data decode and decompression module comprise the signal condition module two (1-2) of joining with acoustic receiver (1-1), join with signal condition module two (1-2), the spreading spectrum and decoding module (1-4) of joining with A/D converter two (1-3) and the decompression module (1-5) that joins with spreading spectrum and decoding module (1-4); Described data processing module two is the ARM microprocessor two (1-6) that joins with decompression module (1-5).
4. according to claim 1, the 2 or 3 described drilling parameter harvesters that utilize sound wave to pass through drill pipe transmission, it is characterized in that: also comprise the automatic alarm unit (5) that joins with upper location supervisory (4), described automatic alarm unit (5) is fixed on the rig floor (22).
5. according to claim 1, the 2 or 3 described drilling parameter harvesters that utilize sound wave to pass through drill pipe transmission, it is characterized in that: the wireless signal Transmit-Receive Unit one (2) that joins with it is installed on described data reception module (1), is laid with the wireless signal Transmit-Receive Unit two (3) that joins with upper location supervisory (4) in ground handling station (21).
6. according to the described drilling parameter harvester that utilizes sound wave to pass through drill pipe transmission of claim 2, it is characterized in that: described sensor unit (10-1) comprises a plurality of sensors that are laid in the last corresponding measuring point of rig drill bit (19), and described a plurality of sensors comprise the pressure sensor (10-11) that the boring internal pressure is detected in real time, the temperature pick up (10-12) that the drill bit operating temperature is detected in real time, dust water content sensor (10-13) that stratum water outlet situation is detected in real time and the magnetometer (10-14) that the earth magnetism magnetic line of force in the zone of holing is distributed and detects in real time.
7. according to claim 1, the 2 or 3 described drilling parameter harvesters that utilize sound wave to pass through drill pipe transmission, it is characterized in that: be connected in the wired or wireless communication mode between described data acquisition and sending module (10) and upper location supervisory (4).
8. according to claim 1, the 2 or 3 described drilling parameter harvesters that utilize sound wave to pass through drill pipe transmission, it is characterized in that: also comprise respectively the supplying cell (16) that joins with described data processing module one and data processing module two, two of described supplying cell (16) and described data processing module one and data processing modules all are connected to power management module (20).
9. according to the described drilling parameter harvester that utilizes sound wave to pass through drill pipe transmission of claim 5, it is characterized in that: described drilling rod is for being positioned at the kelly bar (8) above the rig floor (22), and described data reception module (1) and wireless signal Transmit-Receive Unit one (2) are assembled into one by securing member (7) and are installed in kelly bar (8) top.
10. according to claim 1, the 2 or 3 described drilling parameter harvesters that utilize sound wave to pass through drill pipe transmission, it is characterized in that: also comprise the state display module (23) that joins with upper location supervisory (4); Described data acquisition and sending module (10) are installed in the inner and described external shell (17) of external shell (17) and are clamped on the drilling rod that rig drill bit (19) locates by clip.
CN2009202451607U 2009-11-10 2009-11-10 Drilling parameter acquisition device using acoustic wave for transmission through drill rod CN201526315U (en)

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CN102226377A (en) * 2011-05-26 2011-10-26 西南石油大学 Drill string equipped with downhole blowout preventer and working method thereof
CN102323778A (en) * 2011-07-01 2012-01-18 桂林电子科技大学 Wireless distributed control system of special controller for ring die
CN103049980A (en) * 2012-11-22 2013-04-17 浙江盾安精工集团有限公司 Alarm system of all-casing full-slewing drilling machine
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CN103590753A (en) * 2013-11-25 2014-02-19 四川大学 Drilling tool for detecting temperature in drill hole in real time
CN103696760A (en) * 2012-09-28 2014-04-02 中国石油天然气股份有限公司 Near-bit measurement while drilling sound wave short distance transmission method and transmission device
CN105089647A (en) * 2015-06-26 2015-11-25 中国石油集团西部钻探工程有限公司 Acoustic wave signal ground receiving retransmission device
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CN105432037A (en) * 2013-04-17 2016-03-23 弗劳恩霍夫应用研究促进协会 Using lte-a transmitters and carrier aggregation in borehole communication
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CN102226377B (en) * 2011-05-26 2013-06-19 西南石油大学 Drill string equipped with downhole blowout preventer and working method thereof
CN102226377A (en) * 2011-05-26 2011-10-26 西南石油大学 Drill string equipped with downhole blowout preventer and working method thereof
CN102323778A (en) * 2011-07-01 2012-01-18 桂林电子科技大学 Wireless distributed control system of special controller for ring die
CN103696760A (en) * 2012-09-28 2014-04-02 中国石油天然气股份有限公司 Near-bit measurement while drilling sound wave short distance transmission method and transmission device
CN103696760B (en) * 2012-09-28 2017-07-14 中国石油天然气股份有限公司 Near-bit measurement while drilling sound wave short distance transmission method and transmission device
CN103090841B (en) * 2012-10-30 2016-03-30 中国煤炭科工集团太原研究院 Cutting head toothholder strain detection testing device and method thereof under Vertical Axis Road-header cut operating mode
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CN103177150B (en) * 2012-11-14 2016-04-13 西安石油大学 The method for building up of sound wave drill stem information channel FIR theoretical model
CN103177150A (en) * 2012-11-14 2013-06-26 西安石油大学 Establishment method for sound wave drill stem information channel FIR theoretical model
CN103049980A (en) * 2012-11-22 2013-04-17 浙江盾安精工集团有限公司 Alarm system of all-casing full-slewing drilling machine
CN105432037B (en) * 2013-04-17 2019-03-29 弗劳恩霍夫应用研究促进协会 A kind of method, equipment, system and computer-readable medium for data transmission
CN105432037A (en) * 2013-04-17 2016-03-23 弗劳恩霍夫应用研究促进协会 Using lte-a transmitters and carrier aggregation in borehole communication
CN103590753A (en) * 2013-11-25 2014-02-19 四川大学 Drilling tool for detecting temperature in drill hole in real time
CN105089647B (en) * 2015-06-26 2019-05-17 中国石油集团西部钻探工程有限公司 Acoustic signals ground receiver retransmission unit
CN105089647A (en) * 2015-06-26 2015-11-25 中国石油集团西部钻探工程有限公司 Acoustic wave signal ground receiving retransmission device
CN105227503A (en) * 2015-09-08 2016-01-06 北京航空航天大学 A kind of down-hole Joint Source/channel Coding Design method based on wireless drilling measuring system
CN105227503B (en) * 2015-09-08 2019-01-18 北京航空航天大学 A kind of underground Joint Source/channel Coding Design method based on wireless drilling measuring system
CN106677769A (en) * 2017-02-22 2017-05-17 中煤科工集团西安研究院有限公司 Coal mine underground sound wave transmitting device and method
CN106677769B (en) * 2017-02-22 2020-02-07 中煤科工集团西安研究院有限公司 Underground coal mine sound wave transmission device and method

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