CN102777171B - Sound wave signal while drilling receiving device - Google Patents
Sound wave signal while drilling receiving device Download PDFInfo
- Publication number
- CN102777171B CN102777171B CN201210284309.9A CN201210284309A CN102777171B CN 102777171 B CN102777171 B CN 102777171B CN 201210284309 A CN201210284309 A CN 201210284309A CN 102777171 B CN102777171 B CN 102777171B
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- acoustic signals
- equipment cylinder
- transformer structure
- ultrasonic transformer
- sound wave
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention relates to a sound wave signal while drilling receiving device. The device comprises a sound wave signal receiving equipment cylinder and a lower connector, wherein an outer protective protection sleeve is sleeved outside the sound wave signal receiving equipment cylinder; the sound wave signal receiving equipment cylinder is of a hollow structure with a cavity inside and an equipment bracket for holding signal receiving and processing equipment is arranged in the cavity; and the lower part of the lower connector is of a hollow structure, the lower part of the lower connector is of an amplitude transformer structure, the sound wave signal receiving equipment cylinder is connected with the upper end part of the amplitude transformer structure, and the outer protective protection sleeve is connected with the root part of the lower end of the amplitude transformer structure. Generally, the sound wave signal while drilling receiving device is a drilling tool short section; and in use, the device is connected in a drill stem and is a part of the drill stem, so underground sound waves coming along the drill stem can be absorbed completely without signal loss or mixing with extra external interference signals.
Description
Technical field
The present invention relates to the Wireless Measurement-while-drilling Technology field in oil and gas drillng operation, specifically, relate to a kind of sound wave reception and forwarding unit that utilizes sound wave to carry out measurement while drilling.
Background technology
Along with the development of Oil & Gas Drilling Technology, actual condition and the relevant information of down-hole grasped in the urgent hope of people at any time.Drilling measuring technology arises at the historic moment in order to meet these needs.Drilling measuring technology is broadly divided into: wired drilling technology and wireless drilling technology.Due to the technical limitations that wired drilling technology must be carried cable, wireless drilling technology is more favored.Current Wireless Measurement-while-drilling Technology mainly contains: mud-pulse, electromagnetic wave and the large technology of sound wave three.Sound wave Wireless Measurement-while-drilling Technology is the transmission that realizes down-hole information taking sound wave as carrier wave.In sound wave Wireless Measurement-while-drilling Technology, need to receive the acoustic signals that comprises useful information from down-hole, what complete this task is that ground is with boring acoustic signals receiving system.
The acoustic signals receiving system having occurred at present, generally adopts the form of clip.These sound wave receiving systems in use, by clamping structure, acoustic receiving transducer and relevant device fastening are driven on the drill string pipe nipple of bottom at kelly bar or top, and then measure by the measuring transducer in receiving system the drillstring vibrations and the acoustic signals that pass over by clamping structure.Mainly there is following problem and shortage in such device:
(1) measured vibration and acoustic signals are vibration and the acoustic signals of gripping mechanism, but not the vibration of drill string self and acoustic signals, therefore the consistent degree of its signal receiving and drill string self signal will have much relations with the form of clamping structure and actual clamping level.If clamping level is inadequate, fidelity and the reliability of signal will be affected.
(2) owing to being by clamping structure, measurement mechanism to be stuck in to drill string outside to realize measurement, therefore acoustic signals some high frequency and faint can be by " losss " or " filtering " and measurement less than.
(3) not belonging to the ingredient of drill string due to clamping structure, is accessory structure, therefore can bring vibration and noise, brings interference to measurement and the reception of acoustic signals.
Summary of the invention
The object of the invention is to the problems referred to above that exist for the sound wave receiving system that uses in existing measurement while drilling process, provide a kind of rational in infrastructure, be convenient to install, acoustic signals receiving efficiency and the high novel sound wave receiving system of fidelity.
Technical scheme of the present invention is: a kind of with boring acoustic signals receiving system, this device comprises acoustic signals receiving equipment cylinder and lower contact, and the outer cover of acoustic signals receiving equipment cylinder is equipped with outer protection sleeve; In the middle of acoustic signals receiving equipment cylinder is set to, be provided with the hollow structure of cavity, in cavity, be provided with the equipment supporter for settling signal reception and treatment facility; The bottom of lower contact is set to hollow structure, and top is set to ultrasonic transformer structure, and acoustic signals receiving equipment cylinder is connected with the upper end of ultrasonic transformer structure, and outer protection sleeve is connected with the lower end root of ultrasonic transformer structure.
Preferably, acoustic signals receiving equipment cylinder comprises sensor sleeve and signal handling equipment cylinder, sensor sleeve and signal handling equipment cylinder pass through thread connection, signal is installed in signal handling equipment cylinder and receives and treatment facility, signal receives and treatment facility is placed on equipment supporter.
Preferably, be provided with acoustic receiving transducer in sensor sleeve, this acoustic receiving transducer is placed in the upper surface of ultrasonic transformer structure.
Preferably, the top of sensor sleeve is provided with external screw thread, bottom is provided with internal thread, sensor sleeve connects with the internal thread that is arranged on signal handling equipment cylinder bottom by its upper external thread, and sensor sleeve connects with the external screw thread that is arranged on ultrasonic transformer structure top by its underpart internal thread.
Preferably, the top of signal handling equipment cylinder is provided with signal output port and closure construction.
Preferably, bottom and the top of outer protection sleeve are equipped with internal thread, and outer protection sleeve connects with the external screw thread that is arranged on ultrasonic transformer structure lower end root by the internal thread of its underpart.
Preferably, ultrasonic transformer structure is solid construction, be provided with three through holes for drilling fluid circulation, and between adjacent two through holes, interval 120 is spent on it is axial.
Preferably, between ultrasonic transformer structure upper surface and lower contact middle part outer wall, be provided with the slightness hole of always wearing joint inside, in slightness hole, place electric wire.
Preferably, on the middle part outer wall of lower contact, slot, place Wireless Telecom Equipment in groove, groove is provided with nonmetal capping; The bottom of lower contact is provided with external screw thread.
Preferably, signal receives and treatment facility employing embedded computer system.
Beneficial effect of the present invention is:
1, the present invention is a drilling tool pipe nipple on the whole, when work, is connected in drill string, belongs to a part for drill string, and the sound wave therefore being transmitted along drill string by down-hole will be completely absorbed, and there will not be dropout, also can not introduce extraneous unnecessary interfering signal.
2, the present invention adopts ultrasonic transformer structure, and ultrasonic transformer structure has certain amplification and amplification to acoustic signals, and acoustic signals is delivered in the process of ultrasonic transformer structure upper surface, is further amplified, and can improve the acceptance rate of acoustic signals; And the through hole that ultrasonic transformer structure upwards has three each intervals 120 to spend in week, in improving sound wave receiving efficiency, does not affect the normal circulation of drilling fluid.In addition, between ultrasonic transformer structure upper surface and joint middle part outer wall, there is the slightness hole of a penetrator inside, not only realized the transmission of the signal of telecommunication inside and outside pipe nipple, and because ultrasonic transformer structure stress is less, therefore slightness hole can not affect its intensity yet.
3, the present invention adopts acoustic signals receiving equipment cylinder, acoustic receiving transducer and signal handling equipment can be arranged in the inner space of drill string, need on tube wall, not open too much groove, more installing space is provided, reduce the installation difficulty of acoustic signals reception with treatment facility, ensure the structural strength of whole receiving system, improved flexibility and the reliability of whole device work.In addition, this acoustic signals receiving equipment cylinder comprises sensor sleeve and signal handling equipment cylinder, acoustic receiving transducer and signal handling equipment can be separated physically, facilitate installation, debugging, maintenance and the replacing etc. of signal reception and treatment facility, improved system flexibility.
4, on the outer wall of lower contact of the present invention middle part, slot, in groove, place Wireless Telecom Equipment, and signal receives and treatment facility adopts embedded computer system, can realize filtering and the encoding and decoding of signal, conversion, preservation and the transmission etc. of data, data after acoustic signals and the conversion that makes to receive not only can be kept in the memory of computer system, can also send to other equipment on rig floor or outside rig floor by wireless mode by Wireless Telecom Equipment, facilitate processing and the use of data.In addition, the use of Wireless Telecom Equipment has reduced the difficulty that signal is transferred to other equipment by drill string, has improved the reliability of system works.
5, there is internal thread the bottom of outer protection sleeve of the present invention for realizing and the connection of lower contact, and top is provided with internal thread for realizing and the connection of other drilling tools.This structure can, by changing the form of its top screw thread, realize the coupling between various drilling tool and be connected, and has very high flexibility and on-the-spot compliance.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
A kind of with boring acoustic signals receiving system, this device comprises acoustic signals receiving equipment cylinder 1 and lower contact 2, and the outer cover of acoustic signals receiving equipment cylinder 1 is equipped with outer protection sleeve 3.The bottom of lower contact 2 is set to hollow structure, and top is set to ultrasonic transformer structure 4, and acoustic signals receiving equipment cylinder 1 is connected with the upper end of ultrasonic transformer structure 4, and outer protection sleeve 3 is connected with the lower end root of ultrasonic transformer structure 4.On the middle part outer wall of lower contact 2, slot 13, the interior placement Wireless Telecom Equipment of groove 13, groove 13 is provided with nonmetal capping 14.The bottom of lower contact 2 is provided with external screw thread 16, and lower contact 2 is connected with lower drilling tool by the external screw thread of its underpart.
Ultrasonic transformer structure 4 is solid construction, be provided with three through holes 5 of drilling fluid circulation altogether, and between adjacent two through holes 5, interval 120 is spent on it is axial.Between ultrasonic transformer structure 4 upper surfaces and lower contact 2 middle part outer walls, be provided with the slightness hole 6 of always wearing joint 2 inside, the interior placement electric wire of slightness hole 6, realizes the connection between Wireless Telecom Equipment and sound wave signal receiver.
In the middle of acoustic signals receiving equipment cylinder 1 is set to, be provided with the hollow structure of cavity, be provided with the equipment supporter for settling signal reception and treatment facility in cavity, signal receives and treatment facility adopts embedded computer system.Acoustic signals receiving equipment cylinder 1 comprises sensor sleeve 7 and signal handling equipment cylinder 8, sensor sleeve 7 and signal handling equipment cylinder 8 pass through thread connection, signal is installed in signal handling equipment cylinder 8 and receives and treatment facility 9, signal receives and treatment facility 9 is placed on equipment supporter.The top of sensor sleeve 7 is provided with external screw thread, bottom is provided with internal thread, sensor sleeve 7 connects with the internal thread that is arranged on signal handling equipment cylinder 8 bottoms by its upper external thread, and sensor sleeve 7 connects with the external screw thread that is arranged on ultrasonic transformer structure 4 tops by its underpart internal thread; In sensor sleeve 7, be provided with acoustic receiving transducer 10, this acoustic receiving transducer 10 is placed in the upper surface of ultrasonic transformer structure 4.The top of signal handling equipment cylinder 8 is provided with signal output port 11 and closure construction 12, in the time having other top equipment, can connect other top equipment by signal output port 11, if during without other equipment, by closure construction 12 cappings sealing.
Bottom and the top of outer protection sleeve 3 are equipped with internal thread; outer protection sleeve 3 connects with the external screw thread that is arranged on ultrasonic transformer structure 4 lower end roots by the internal thread of its underpart, and outer protection sleeve 3 connects with other top drilling tools by the internal thread 15 on its top.
Its operating principle is: when use; be connected with top drilling tool by the upper internal threaded on outer protection sleeve 3; and be connected with lower drilling tool by the external screw thread 16 of lower contact 2 bottoms; this device is connected in drill string, in realizing mechanical connection, transmits by lower drilling tool and propagate the acoustic signals coming.Received acoustic signals and converted thereof into the signal of telecommunication by the acoustic receiving transducer that is arranged on ultrasonic transformer structure 4 upper surfaces, this signal of telecommunication is received and is for further processing by the signal reception and the treatment facility 9 that are arranged in signal handling equipment cylinder 8.Acoustic signals after treatment and data can be stored in the memory of signal handling equipment cylinder 8 built-in type computer systems, also can by signal receive and treatment facility 9 by signal after treatment, by being placed on the electric wire in lower contact 2 inner elongate through holes 6, pass to the Wireless Telecom Equipment being placed in lower contact 2 outer wall grooves 13, and be further transferred to other external communication devices or signal reception and treatment facility by this Wireless Telecom Equipment.
Claims (4)
1. with boring an acoustic signals receiving system, comprise acoustic signals receiving equipment cylinder and lower contact, the outer cover of acoustic signals receiving equipment cylinder is equipped with outer protection sleeve; It is characterized in that: in the middle of acoustic signals receiving equipment cylinder is set to, be provided with the hollow structure of cavity, in cavity, be provided with the equipment supporter for settling signal reception and treatment facility; The bottom of lower contact is set to hollow structure, and top is set to ultrasonic transformer structure, and acoustic signals receiving equipment cylinder is connected with the upper end of ultrasonic transformer structure, and outer protection sleeve is connected with the lower end root of ultrasonic transformer structure;
Acoustic signals receiving equipment cylinder comprises sensor sleeve and signal handling equipment cylinder, sensor sleeve and signal handling equipment cylinder pass through thread connection, acoustic signals is installed in signal handling equipment cylinder and receives and treatment circuit plate, acoustic signals receives with treatment circuit plate and is placed on equipment supporter;
In sensor sleeve, be provided with acoustic receiving transducer, this acoustic receiving transducer is placed in the upper surface of ultrasonic transformer structure;
The top of sensor sleeve is provided with external screw thread, bottom is provided with internal thread, sensor sleeve connects with the internal thread that is arranged on signal handling equipment cylinder bottom by its upper external thread, and sensor sleeve connects with the external screw thread that is arranged on ultrasonic transformer structure top by its underpart internal thread;
Ultrasonic transformer structure is solid construction, be provided with three through holes for drilling fluid circulation, and between adjacent two through holes, interval 120 is spent on it is axial;
Between ultrasonic transformer structure upper surface and lower contact middle part outer wall, be provided with the slightness hole of always wearing joint inside, in slightness hole, place electric wire;
On the middle part outer wall of lower contact, slot, place Wireless Telecom Equipment in groove, groove is provided with nonmetal capping; The bottom of lower contact is provided with external screw thread.
2. according to claim 1 with boring acoustic signals receiving system, it is characterized in that: the top of signal handling equipment cylinder is provided with signal output port and closure construction.
3. according to claim 1 and 2 with boring acoustic signals receiving system; it is characterized in that: bottom and the top of outer protection sleeve are equipped with internal thread, outer protection sleeve connects with the external screw thread that is arranged on ultrasonic transformer structure lower end root by the internal thread of its underpart.
4. according to claim 3 with boring acoustic signals receiving system, it is characterized in that: signal receives and treatment facility adopts embedded computer system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284309.9A CN102777171B (en) | 2012-08-13 | 2012-08-13 | Sound wave signal while drilling receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284309.9A CN102777171B (en) | 2012-08-13 | 2012-08-13 | Sound wave signal while drilling receiving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102777171A CN102777171A (en) | 2012-11-14 |
| CN102777171B true CN102777171B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210284309.9A Expired - Fee Related CN102777171B (en) | 2012-08-13 | 2012-08-13 | Sound wave signal while drilling receiving device |
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| CN (1) | CN102777171B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370263B (en) * | 2015-11-12 | 2018-03-30 | 中国石油大学(华东) | A kind of underground situation wireless monitoring device |
| CN106640055B (en) * | 2016-11-21 | 2017-11-17 | 中国科学院地质与地球物理研究所 | It is a kind of to be applied to the reception device for boring orientation acoustic logging |
| CN106930755A (en) * | 2017-05-08 | 2017-07-07 | 中国石油大学(华东) | Concatenation type Acoustic signal ground receiving and displaying system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000121742A (en) * | 1998-10-14 | 2000-04-28 | Mitsubishi Electric Corp | Transmitter for transmitting excavation shell sound and method for transmitting excavation shell sound |
| US7339494B2 (en) * | 2004-07-01 | 2008-03-04 | Halliburton Energy Services, Inc. | Acoustic telemetry transceiver |
| US8570832B2 (en) * | 2008-12-31 | 2013-10-29 | Schlumberger Technology Corporation | Variable throat venturi flow meter having a plurality of section-varying elements |
| CN201650268U (en) * | 2010-04-20 | 2010-11-24 | 中国石油集团川庆钻探工程有限公司井下作业公司 | Acoustic receiving device for downhole wireless data transmission of coiled tubing operation |
| CN102425410A (en) * | 2011-10-11 | 2012-04-25 | 西南石油大学 | Measurement while drilling (MWD) ultrasonic data transmitting method and device |
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2012
- 2012-08-13 CN CN201210284309.9A patent/CN102777171B/en not_active Expired - Fee Related
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| CN102777171A (en) | 2012-11-14 |
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