CN102305065A - Wireless signal transmission method and system for oil and gas wells - Google Patents
Wireless signal transmission method and system for oil and gas wells Download PDFInfo
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- CN102305065A CN102305065A CN201110160898A CN201110160898A CN102305065A CN 102305065 A CN102305065 A CN 102305065A CN 201110160898 A CN201110160898 A CN 201110160898A CN 201110160898 A CN201110160898 A CN 201110160898A CN 102305065 A CN102305065 A CN 102305065A
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Abstract
The invention relates to a wireless signal transmission method and system for oil and gas wells, wherein the wireless signal transmission system for the oil and gas wells comprises an underground data acquisition sender and a surface receiver which is connected with the underground data acquisition sender through oil and gas pipelines. The invention provides the wireless signal transmission method and system for the oil and gas wells, which are capable of measuring the underground pressure in real time and safe, reliable and low in cost.
Description
Technical field
The invention belongs to oil gas well Exploration Domain, relate to the transmission method and the system thereof of signal such as pressure and temp in a kind of oil gas well, relating in particular to a kind of oil gas well does not have cable method for transmitting signals and system thereof.
Background technology
Well test datas such as down-hole pressure, temperature, flow, density are to carry out the capsule information that oil pool analysis must provide.For a long time, the technical problem of obtaining these important well test datas is accurately and real-time perplexing the oil exploitation worker always.The observation procedure of these parameters is a lot of at present, but these methods all adopt the wire transmission mode of special cabling.This mode just must be sent the gap that the respective sensor of cable and desired parameters is passed between oil pipe and the sleeve pipe into the down-hole, and the signal that the various sensors in down-hole obtain is transported to the receiving system on ground again through this cabling.The gap is less between most of oil well casings and the oil pipe, and oil well reaches more than the over thousands of rice deeply, often need stop production in the practical operation cable is put into the shaft bottom, repeatedly tests again in 1 year, and it is costly to waste time and energy.Therefore, design is a kind of can either carry out data transmission method that direct-reading can simplify construction again just highly significant in the oil gas well.
Summary of the invention
In order to solve the above-mentioned technical problem that exists in the background technology, the invention provides a kind of measuring well downforce in real time, oil gas well safe and reliable, with low cost does not have cable method for transmitting signals and system thereof.
Technical solution of the present invention is: the invention provides a kind of oil gas well does not have the cable method for transmitting signals, and its special character is: said oil gas well does not have the cable method for transmitting signals and may further comprise the steps:
1) obtains the signal of telecommunication of oil gas well down-hole pressure and/or temperature;
2) signal of telecommunication that step 1) acquired is carried out the electroacoustic conversion, obtain acoustic vibration signal;
3) acoustic vibration signal is transmitted through oil pipe string.
A kind of oil gas well does not have the cable signal transmission system, and its special character is: said oil gas well does not have the geoceiver that the cable signal transmission system comprises that downhole data is gathered transmitter and linked together through oil and gas pipes with downhole data collection transmitter.
The down-hole control circuit that above-mentioned downhole data gathers that transmitter comprises the downhole sensor that is used for production wells downforce signal and/or temperature signal, the pressure signal that is used for downhole sensor is collected and/or temperature signal carry out electroacoustic transduction control, be used for pressure signal and/or temperature signal are converted to the electroacoustic transducer and the battery pipe nipple of acoustic vibration signal; Said downhole sensor inserts electroacoustic transducer through the down-hole control circuit; Said battery pipe nipple inserts the down-hole control circuit.
Above-mentioned electroacoustic transducer is the ultra-magnetic telescopic electroacoustic transducer, and said ultra-magnetic telescopic electroacoustic transducer comprises driver unit, dish spring, weight, Exciting Windings for Transverse Differential Protection and giant magnetostrictive rod; Said Exciting Windings for Transverse Differential Protection is around being arranged on the giant magnetostrictive rod; One end of said weight links together with giant magnetostrictive rod is coaxial, and the other end of weight is provided with the dish spring; Said down-hole control circuit electrically connects with Exciting Windings for Transverse Differential Protection after triggering driver unit.
Above-mentioned driver unit comprise the excitation socket and with excitation socket suitable excitation plug.
Above-mentioned weight is a cylinder.
Above-mentioned geoceiver comprises the vibration signal receiving sensor that is used to receive the acoustic vibration signal that sends from electroacoustic transducer, is used to control the display module that vibration signal converts the ground controller of pressure signal to and is used for the pressure signal that ground controller converts to is shown; Said vibration signal receiving sensor inserts display module through ground controller.
Above-mentioned geoceiver also comprises and is used for the received acoustic vibration signal of vibration signal receiving sensor is amplified and the amplification filtering module of Filtering Processing; Said vibration signal receiving sensor inserts ground controller through the amplification filtering module.
Above-mentioned geoceiver also comprises the memory module that the pressure signal that is used for that ground controller is converted to is stored; Said memory module inserts ground controller.
Above-mentioned display module is a display; Said memory module is a storage medium.
Advantage of the present invention is:
Oil gas well provided by the present invention does not have cable method for transmitting signals and system thereof; This system comprises downhole data collection transmitter and geoceiver two parts; Downhole data is gathered transmitter with pressure signal that records and/or temperature signal, converts acoustic vibration signal to through the ultra-magnetic telescopic electroacoustic transducer and is transferred to ground along oil pipe string.At well head; Geoceiver receives acoustic vibration signal through the vibration signal receiving sensor; Decode through decoding circuit again, send into geoceiver get final product down-hole pressure and/or temperature real data, show at last and preserve pressure and/or temperature data; Can measure in real time the pressure and/or the temperature of oil gas down-hole, collection data and data analysis are handled and can be carried out synchronously; Simultaneously, because the present invention utilizes oil pipe string transmission pressure signal, the use of having saved transmission cable; Simplified construction technology; Accident such as be difficult for to take place that cable is damaged, safe and reliable, and practiced thrift system cost; Also can be used for high angle hole and packer branch that conventional pressure gauge is difficult to construct and adopt well etc., market prospects are wide.
Description of drawings
Fig. 1 is the framework sketch map of measuring system provided by the present invention;
Fig. 2 is a down-hole part preferred embodiment structural representation in the measuring system provided by the present invention;
Fig. 3 is the structural representation of above ground portion preferred embodiment in the measuring system provided by the present invention;
Wherein:
The 1-downhole data is gathered transmitter; Electrical plug in the 11-communication; 12-battery pipe nipple; 13-downhole controller power supply; The 14-temperature pick up; 15-down-hole control circuit; The 16-pressure sensor; The 17-electroacoustic transducer; 171-encourages socket; 172-encourages plug; 173-dish spring; The 174-weight; The 175-giant magnetostrictive rod; The 176-Exciting Windings for Transverse Differential Protection; The 18-base; The 19-oil and gas pipes; The 2-geoceiver; 21-vibration signal receiving sensor; The 22-ground controller; The 23-display module; The 24-memory module; 25-amplification filtering module; The 26-oil-out.
The specific embodiment
The invention provides a kind of oil gas well does not have the cable method for transmitting signals, and this oil gas well does not have the cable method for transmitting signals and may further comprise the steps:
1) utilize various sensors to obtain the signal of telecommunication of oil gas well down-hole pressure and/or temperature; For example pressure signal is to obtain through pressure sensor; Temperature signal is to obtain through temperature pick up, and other obtain manner can certainly be arranged, and the present invention does not limit at this.
2) signal of telecommunication that step 1) acquired is carried out the electroacoustic conversion, obtain acoustic vibration signal;
3) acoustic vibration signal is transmitted through oil pipe string.
Principle of the present invention is: gather transmitter through downhole data and convert the signal value that downhole sensor collected into the acoustic vibration code signal through the ultra-magnetic telescopic electroacoustic transducer; The acoustic vibration code signal is propagated to well head along oil pipe string, and geoceiver will become real signal value with the acoustic vibration code signal that receives through treatment conversion such as decodings again.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Referring to Fig. 1; The present invention provides a kind of oil gas well not have the cable signal transmission system for solving DATA REASONINGs such as oil gas down-hole pressure and temperature; The principle of this system is: utilize the oil gas down-hole or the acoustic vibration signal that obtains, through the measured pressure signal of oil pipe string transmission downhole sensor with or temperature signal.Downhole data is gathered transmitter 1 and is converted pressure signal that collects and/or temperature signal into the acoustic vibration code signal through the ultra-magnetic telescopic electroacoustic transducer; The acoustic vibration code signal is gone here and there earthward well head along oil and gas pipes 19 and is propagated, and geoceiver 2 becomes the pressure signal value with the acoustic vibration code signal that receives through treatment conversion such as decodings again.
Oil gas well provided by the present invention does not have the cable signal transmission system; Comprise the geoceiver 2 that downhole data is gathered transmitter 1 and linked together through oil and gas pipes 19 with downhole data collection transmitter 1; The pressure signal that the present invention collected uses oil and gas pipes 19 strings to transmit; Do not need communication cable, be essentially different with traditional pressure-measuring system.
Referring to Fig. 2, downhole data gather transmitter 1 comprise the pressure sensor 16, the temperature pick up that is used for temperature signal under the production wells that are used for production wells downforce signal, be used for to the pressure signal that downhole sensor 16 is collected carry out electroacoustic transduction control down-hole control circuit 15, be used for pressure signal is converted to the electroacoustic transducer 17 and the battery pipe nipple 12 of acoustic vibration signal; Downhole sensor inserts electroacoustic transducer 17 through down-hole control circuit 15; Battery pipe nipple 12 access down-hole control circuits 15.
Electroacoustic transducer 17 is ultra-magnetic telescopic electroacoustic transducers, and the ultra-magnetic telescopic electroacoustic transducer comprises driver unit, dish spring 173, weight 174, Exciting Windings for Transverse Differential Protection 176 and giant magnetostrictive rod 175; Exciting Windings for Transverse Differential Protection 176 is around being arranged on the giant magnetostrictive rod 175, an end of weight 174 and giant magnetostrictive rod 175 coaxial linking together, and the other end of weight 174 is provided with dish spring 173; Down-hole control circuit 15 electrically connects with Exciting Windings for Transverse Differential Protection 176 after triggering driver unit; Driver unit comprise excitation socket 171 and with the suitable excitation plug 172 of excitation socket 171; Weight 174 can be a cylinder.
Downhole data gather transmitter 1 install successively from top to down communication go up electrical plug 11, battery pipe nipple 12, downhole controller power supply 13, temperature pick up 14, down-hole control circuit 15, pressure sensor 16, excitation socket 171, excitation plug 172, dish spring 173, weight 174, giant magnetostrictive rod 175 and and base 18; Electrical plug 11 is to realize the break-make of communicating by letter and controlling battery pipe nipple 12 between PC and the down-hole control circuit 15 in the communication.Battery pipe nipple 12 is to be formed in parallel with two Battery packs, and every Battery pack is the battery series connection of 15 joint 3.6V, and with the heat-shrink tube parcel, the shell of integral battery door pipe nipple 12 is processed by epoxy cloth rod insulation materials.
Referring to Fig. 3, geoceiver 2 comprises the vibration signal receiving sensor 21 that is used to receive the acoustic vibration signal that sends from electroacoustic transducer 17, be used for vibration signal receiving sensor 21 received acoustic vibration signals are amplified and the amplification filtering module 25 of Filtering Processing, are used to control the display module 23 that vibration signal converts the ground controller 22 of pressure signal to and is used for the pressure signal that ground controller 22 converts to is shown; Vibration signal receiving sensor 21 inserts display module 23 through amplification filtering module 25 and ground controller 22 successively.Processing such as the small acoustic vibration code signal that 25 pairs of vibration signal receiving sensors of amplification filtering module receive amplifies, filtering.Ground controller 22 be with the code signal after handling decode, preserve, processing such as demonstration.Memory module 24 is that the pressure signal value that the down-hole collects is stored in the USB flash disk.Vibration signal receiving sensor 21 is oil-out 26 places that are fixed on oil gas well ground oil pipe, receives the acoustic vibration signal of propagating along oil pipe string; Ground controller 22 comprises that data show, error code shows, signal receives functions such as indication, protection.
In addition, geoceiver 2 also comprises and is used for memory module 24 that the pressure signal that ground controller 22 is converted to is stored; Memory module 24 inserts ground controller 22; Display module 23 can be a display; Memory module 24 can be a storage medium, for example USB flash disk, CD, hard disk etc. all storage medium all be fine.
The present invention in use; The oil gas downhole sensor is with pressure data that records and/or temperature data; Send into down-hole control circuit 15; Down-hole control circuit 15 is with the pressure data coding, and down-hole control circuit 15 uses the magnet exciting coil of code signal excitation ultra-magnetic telescopic electroacoustic transducer 17, and the internal magnetic field of ultra-magnetic telescopic electroacoustic transducer 17 is changed; Be positioned at ultra-magnetic telescopic electroacoustic transducer 17 inner giant magnetostrictive rods 175 flexible deformation takes place, under the effect of weight 174, produce the vibration code signal.Be positioned at the ground controller 2 (as shown in Figure 3) of well head, the acoustic vibration signal that uses vibration signal receiving sensor 21 received wells to send down can obtain the actual pressure data of down-hole through decoding processing, preserves data at last.
Claims (10)
1. an oil gas well does not have the cable method for transmitting signals, it is characterized in that: said oil gas well does not have the cable method for transmitting signals and may further comprise the steps:
1) obtains the signal of telecommunication of oil gas well down-hole pressure and/or temperature;
2) signal of telecommunication that step 1) acquired is carried out the electroacoustic conversion, obtain acoustic vibration signal;
3) acoustic vibration signal is transmitted through oil pipe string.
2. an oil gas well does not have the cable signal transmission system, it is characterized in that: said oil gas well does not have the geoceiver that the cable signal transmission system comprises that downhole data is gathered transmitter and linked together through oil and gas pipes with downhole data collection transmitter.
3. oil gas well according to claim 2 does not have the cable signal transmission system, it is characterized in that: the down-hole control circuit that said downhole data gathers that transmitter comprises the downhole sensor that is used for production wells downforce signal and/or temperature signal, the pressure signal that is used for downhole sensor is collected and/or temperature signal carry out electroacoustic transduction control, be used for pressure signal and/or temperature signal are converted to the electroacoustic transducer and the battery pipe nipple of acoustic vibration signal; Said downhole sensor inserts electroacoustic transducer through the down-hole control circuit; Said battery pipe nipple inserts the down-hole control circuit.
4. oil gas well according to claim 3 does not have the cable signal transmission system; It is characterized in that: said electroacoustic transducer is the ultra-magnetic telescopic electroacoustic transducer, and said ultra-magnetic telescopic electroacoustic transducer comprises driver unit, dish spring, weight, Exciting Windings for Transverse Differential Protection and giant magnetostrictive rod; Said Exciting Windings for Transverse Differential Protection is around being arranged on the giant magnetostrictive rod; One end of said weight links together with giant magnetostrictive rod is coaxial, and the other end of weight is provided with the dish spring; Said down-hole control circuit electrically connects with Exciting Windings for Transverse Differential Protection after triggering driver unit.
5. oil gas well according to claim 4 does not have the cable signal transmission system, it is characterized in that: said driver unit comprise the excitation socket and with excitation socket suitable excitation plug.
6. oil gas well according to claim 5 does not have the cable signal transmission system, it is characterized in that: said weight is a cylinder.
7. do not have the cable signal transmission system according to claim 2 or 3 or 4 or 5 or 6 described oil gas wells, it is characterized in that: said geoceiver comprises the vibration signal receiving sensor that is used to receive the acoustic vibration signal that sends from electroacoustic transducer, is used to control the display module that vibration signal converts the ground controller of pressure signal to and is used for the pressure signal that ground controller converts to is shown; Said vibration signal receiving sensor inserts display module through ground controller.
8. oil gas well according to claim 7 does not have the cable signal transmission system, it is characterized in that: said geoceiver also comprises and is used for the received acoustic vibration signal of vibration signal receiving sensor is amplified and the amplification filtering module of Filtering Processing; Said vibration signal receiving sensor inserts ground controller through the amplification filtering module.
9. oil gas well according to claim 8 does not have the cable signal transmission system, it is characterized in that: said geoceiver also comprises the memory module that the pressure signal that is used for that ground controller is converted to is stored; Said memory module inserts ground controller.
10. oil gas well according to claim 9 does not have the cable signal transmission system, it is characterized in that: said display module is a display; Said memory module is a storage medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110160898A CN102305065A (en) | 2011-06-16 | 2011-06-16 | Wireless signal transmission method and system for oil and gas wells |
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| CN201110160898A CN102305065A (en) | 2011-06-16 | 2011-06-16 | Wireless signal transmission method and system for oil and gas wells |
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| CN201110160898A Pending CN102305065A (en) | 2011-06-16 | 2011-06-16 | Wireless signal transmission method and system for oil and gas wells |
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Cited By (6)
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| CN102619498A (en) * | 2012-02-17 | 2012-08-01 | 北京石油机械厂 | Steering drilling system based on top driving and ground control and drilling operation method |
| CN104329064A (en) * | 2014-10-17 | 2015-02-04 | 陕西延长石油(集团)有限责任公司研究院 | Oil-well layered oil production system adopting vibrating waves to carry out remote control |
| CN106907144A (en) * | 2017-05-08 | 2017-06-30 | 中国石油大学(华东) | Locking-type Acoustic signal ground receiving and displaying system |
| CN109458172A (en) * | 2018-11-01 | 2019-03-12 | 中国石油大学(华东) | Marine riser gas cut monitoring instrument and monitoring method |
| CN110017132A (en) * | 2019-05-24 | 2019-07-16 | 中国地质科学院地质力学研究所 | A kind of hydraulic fracturing packer and fracturing section pressure monitoring device |
| CN112502696A (en) * | 2020-11-16 | 2021-03-16 | 中国石油天然气股份有限公司 | Underground pressure gauge, oil well intermittent oil fishing system and method |
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| CN102619498A (en) * | 2012-02-17 | 2012-08-01 | 北京石油机械厂 | Steering drilling system based on top driving and ground control and drilling operation method |
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| CN104329064A (en) * | 2014-10-17 | 2015-02-04 | 陕西延长石油(集团)有限责任公司研究院 | Oil-well layered oil production system adopting vibrating waves to carry out remote control |
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| CN109458172A (en) * | 2018-11-01 | 2019-03-12 | 中国石油大学(华东) | Marine riser gas cut monitoring instrument and monitoring method |
| CN110017132A (en) * | 2019-05-24 | 2019-07-16 | 中国地质科学院地质力学研究所 | A kind of hydraulic fracturing packer and fracturing section pressure monitoring device |
| CN110017132B (en) * | 2019-05-24 | 2023-12-22 | 中国地质科学院地质力学研究所 | Hydraulic fracturing packer and fracturing section pressure monitoring device |
| CN112502696A (en) * | 2020-11-16 | 2021-03-16 | 中国石油天然气股份有限公司 | Underground pressure gauge, oil well intermittent oil fishing system and method |
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Application publication date: 20120104 |