CN101749011A - Drilling earthquake reference signal collection method and device - Google Patents
Drilling earthquake reference signal collection method and device Download PDFInfo
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- CN101749011A CN101749011A CN200810183498A CN200810183498A CN101749011A CN 101749011 A CN101749011 A CN 101749011A CN 200810183498 A CN200810183498 A CN 200810183498A CN 200810183498 A CN200810183498 A CN 200810183498A CN 101749011 A CN101749011 A CN 101749011A
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Abstract
The invention relates to a drilling earthquake reference signal collection method and a device. The noise generated by the vibration of a drilling bit in the well drilling process is used as a quake source, the drilling earthquake reference signal collection device arranged under a square drilling rod is used for collecting vibration signals of the drilling bit transmitted in the drilling post direction, the collected data is sent to a reference signal monitoring host machine in a wireless way, and the data is sent to a center host machine after being processed by the reference signal monitoring host machine. The drilling earthquake reference signal collection device comprises a sensor unit (32), a wave filtering modulation unit (33), an A/D converter (35), a real-time clock unit (38), a GPS unit (40), a wireless communication unit (41), a memory unit (42) and the like, wherein each unit is placed in a pipe nipple. The device has the advantages of convenient construction, no influence on the production process of the drilling well, rigid connection with the drilling post, real-time signal transmission, good signal quality, convenient replacement of batteries and easy maintenance of a system.
Description
Technical field
The present invention relates to a kind of drilling earthquake reference signal collection method and device, just utilize noise that drill vibration in the drilling process produces as focus, to the drill vibration signal of propagating along the drill string direction gather automatically, the drilling earthquake equipment of wireless transmission.
Background technology
The vibrations that the drilling earthquake method produces when breaking rock with drill bit in the drillng operation are as subsurface source, the drill bit vibration signal that transmits up by drilling rod by the sensor acquisition that is installed in derrick and drilling rod top, and the direct wave and the back wave of the bit signal that on earth-layer propagation, comes by the geophone arrangement collection on the survey line of ground.Be commonly referred to reference signal or navigation signal by the signal that collects on the drilling rod, with reference signal through carrying out cross-correlation and time shift and various denoising with the signal of surface geophone after the preliminary treatment, determine the position of drill bit on the surface seismic time section in real time, and can predict the strata pressure situation in drill bit the place ahead in real time, thereby assist the drilling safety decision-making and optimize sleeve design, promoted the development of drilling earthquake technology.
No matter be wiring or wireless system, the seismic recording system of prior art is most of to be separated mutually with the radio control assembly and/or the record component of described unit.In these prior art systems, need outside wiring that the geophone package of a unit is connected with the record and/or the radio telemetry assembly of this unit, bring many inconvenience to site operation.For sensor and collecting unit operation be by the control of getting off of the situation of programming in advance, make real time monitoring, control sensor and collecting unit very inconvenient.
The wireless seismic data acquisition device also has the employing wireless mode, generally comprise the radio station, seismic prospecting detector and data collection station, the spread spectrum data radio station is selected in described radio station for use, seismic prospecting detector is selected three-component digital seismic survey wave detector for use, described data collection station is contained between spread spectrum data radio station and the three-component digital seismic survey wave detector, its signal annexation is: data collection station is connected with wave detector by bus, the DOL Data Output Line of data collection station is connected with the Data In-Line of spread spectrum data radio station, behind the data buffer memory of data collection station, first after the spread spectrum data radio station is transferred to records center according to sequential with wave detector.This wireless seismic data acquisition device is based on the harvester of seismic exploration routinely, it is that roll-call by records center sends the short time earthquake data that write down in the buffer memory by the radio station, and be not suitable for the requirement of the real-time acquisition process of a large amount of high accuracy reference signals, also be not suitable for being installed on the drill string of rotation.
Drilling earthquake reference signal collection at present, most popular architecture is the position that the three-component accelerometer is installed in kelly bar top hose, be connected to collection, the treatment facility of reference signal by cable, through signal amplification, filtering, A/D conversion etc., being transformed into data signal stores, obtain data together through the specific software processing in order to data taking-up and surface geophone group, obtain seismic profile.In drilling process, because the swing of hose is pulled apart signal cable easily, because the relation of installation site, the signal quality that collects is relatively poor.
Summary of the invention
Purpose of the present invention overcomes the defective of above-mentioned technology exactly, and a kind of acquisition method and device that can satisfy the reference signal of drilling earthquake requirement is provided.
Method of the present invention: the pipe nipple that the drilling earthquake reference signal harvester is housed is installed below kelly bar, signal acquisition process unit, wireless transmission unit are arranged in the pipe nipple, the signal on stratum is after gathering, handling near the drill bit of propagating along drill string, be sent to the reference signal monitoring host computer and the ground vibration signal along earth-layer propagation that receives provides data source for the drilling earthquake real-time analysis together by wireless transmission unit.Device receives the various parameters that are provided with that the reference signal main frame is sent simultaneously.
Device of the present invention is: the data acquisition of the drilling earthquake reference signal of a kind of three input channels (32), the method and apparatus of transmission are provided.Its sensor packet and signal condition module thereof, AD conversion and digital filtering module, wireless communication module, data temporary storage location, reference signal timing system and power management module.Each module is placed on one with boring in the pipe nipple, constitutes the device that can finish reference signal high speed acquisition and wireless transmission.
The research contents of reference signal acquisition system comprises reference signal harvester, wireless telecommunication system and reference signal monitoring host computer composition.The reference signal harvester is to be installed in the below of kelly bar with the mode of boring pipe nipple.This device is gathered the drill vibration signal of propagating along the drill string direction in real time, and reaches the reference signal monitoring host computer in real time by wireless transmitting system, delivers to the processing center main frame after this host process.The reference signal monitoring host computer can be provided with the various acquisition parameters of reference signal harvester by control command simultaneously.
As shown in Figure 3, the drilling earthquake reference signal harvester comprises accelerometer unit (32), filtering conditioning unit (33), signal amplification unit (34), A/D modulating unit (35), digital filtering unit (36), microprocessor unit (37), real-time clock unit (38), D/A test cell (39), GPS unit (40), radio communication unit (41), memory cell (42), and each unit places a pipe nipple.
Accelerometer unit (32) adopts 3 component ICP type piezoelectric accelerometers; Filtering conditioning unit (33) carries out LPF, single-ended transfer difference conversion; Signal amplification unit (34) is made up of difference input, difference output operational amplifier CS3301 and the related peripheral circuit of low noise, minimum harmonic distortion, gain programmable, finishes the preceding signal of analog-to-digital conversion and amplifies; A/D modulating unit (35) is made up of HDR, low harmonics distortion, 4 rank delta sigma type modulator CS5371, CS5372 and related peripheral circuit; Digital filtering unit (36) is made up of low-power consumption, high efficiency multi-functional its CS5376 level interlock circuit of 24 delta sigma type digital filterings; Microprocessor unit (37) is made up of fully-integrated the mixed signal SOC(system on a chip) C8051F340 and the peripheral circuit of aboundresources in the sheet and multiple external interface; Real-time clock unit (38) is made of high accuracy real-time clock (RTC) device low-cost, that have integrated temperature compensating crystal oscillator (TCXO); D/A test cell (39) is made up of the high performance detection digital to analog converter of low-power consumption CS4373, is used for the detection of sensor and the calibration of system; The location and time information of GPS and real-time clock unit (38) the precise time label system of component devices is together formed, received in real time in GPS unit (40) by GPS OEM module and gps antenna; Radio communication unit (41) is made up of wireless WIFI module and antenna, constitutes a wireless WIFI network with the reference signal receiving terminal, carries out the transmission of data and the reception of order; Memory cell (42) is made up of SD card and read-write system thereof, carries out the temporary of data under special circumstances.
The present invention has following good effect:
1. a kind of a kind of acquisition method that can satisfy the reference signal of drilling earthquake requirement that provides is provided;
2. when normally creeping into, gather reference signal, make a trip and gather ambient noise signal, the extraction that is convenient for reference when stopping boring;
3. provide foundation for Combined Treatment reference signal, ground signal;
4. based on the temporary design of the data of big capacity SD card, be convenient to the continuous biography of communicating interrupt recovered data, guarantee the integrality of data
5. easy construction does not influence the drilling well manufacturing process;
6. connect reliably, avoid wearing and tearing, tractive to influence signal quality;
7. be rigidly connected with drill string, signal quality is good;
8. battery altering convenience, system are easy to safeguard.
Description of drawings
Fig. 1 drilling earthquake reference signal harvester axial section.
Fig. 2 drilling earthquake reference signal harvester radial section figure.
Fig. 3 is a drilling earthquake reference signal harvester circuit diagram.
The specific embodiment
Now the present invention is further described in conjunction with Figure of description.Fig. 1, Fig. 2 are respectively the axial and radial section figure of drilling earthquake reference signal harvester.Pipe nipple is the part of aboveground drilling tool as the installation carrier of equipment, is positioned at water tap to transfer more than the drilling rod.Milling out 4 cavitys as shown in Figure 2 respectively in the middle part of pipe nipple four sides, is respectively circuit board storehouse (20), battery compartment (21), sensor storehouse (22), wireless module storehouse (23).Die sinking is made explosion-resistant enclosure and is placed four storehouses respectively, drilling earthquake reference signal harvester circuit cardboard places the explosion-resistant enclosure of circuit board storehouse (20), comprises filtering conditioning unit (33), signal amplification unit (34), A/D modulating unit (35), digital filtering unit (36), microprocessor unit (37), real-time clock unit (38), D/A test cell (39), GPS unit (40), memory cell (42); The lithium battery group places the explosion-resistant enclosure of battery compartment (21); The three-component accelerometer places the explosion-resistant enclosure of sensor storehouse (22); Wireless WIFI equipment places the explosion-resistant enclosure of wireless module storehouse (23).
As shown in Figure 2, mill out three road metallic channels in the top sides of four cavitys along part, four chambeies are communicated with, metallic channel (24) is communicated with circuit board storehouse (20) with wireless module storehouse (23), and the connecting line between them places in this metallic channel; Metallic channel (25) is communicated with circuit board storehouse (20) with sensor storehouse (22), and the connecting line between them places in this metallic channel; Metallic channel (26), (24), (25) are communicated with three storehouses of battery compartment (22) and other, and supply lines places in these metallic channels; WIFI and gps antenna place (31) to locate.Change battery for convenience and take out the SD card in case of necessity, also be provided with battery container alignment pin (3) and host shell alignment pin (16) respectively.
Claims (12)
1. the acquisition method of a drilling earthquake reference signal and device, method comprises: a drilling earthquake reference signal harvester is installed in the below of kelly bar as a pipe nipple, it is gathered the drill string that passes through that drill vibration produced in real time and catches next noise signal in drilling process, realize both-way communication by radio-cell and reference signal monitoring host computer, in real time data are passed to the reference signal monitoring host computer and analyze, handle; The relevant controlling parameter that real-time received signal monitoring host computer transmits.
2. method according to claim 1 at process of making a trip and the noise of the signal that stops gathering in the brill process as this two states, is beneficial to the denoising of reference signal.
3. method according to claim 1 by the drilling earthquake reference signal of equipment installed position is gathered in real time, and according to drill string signal TRANSFER MODEL, is reduced the drill bit primary signal.
4. method according to claim 1, the transmission of drilling earthquake reference signal is undertaken by the WIFI wireless network.
5. the acquisition method of a drilling earthquake reference signal and device, device comprises: CPU, amplifier unit, A/D converter unit, data storage cell, time service unit, PMU, wireless transmission unit, each unit places a pipe nipple.
6. the harvester of drilling earthquake reference signal according to claim 5 is as the below that is installed in kelly bar with the mode of boring pipe nipple.
7. the harvester of drilling earthquake reference signal according to claim 5, the collection of drilling earthquake reference signal are to adopt the three-component accelerometer as sensor.
8. the harvester of drilling earthquake reference signal according to claim 5 has the timing system that GPS combines with RTC.
9. the harvester of drilling earthquake reference signal according to claim 8, when GPS locatees when effective, GPS output precise time and pps pulse per second signal are slit into littler unit to the pulse per second (PPS) average mark by microporocessor software, obtain the markers of microsecond level.
10. the harvester of drilling earthquake reference signal according to claim 9, when GPS locatees when invalid, the pps pulse per second signal of GPS output is inaccurate, can use the second signal of RTC to replace the pps pulse per second signal of GPS output, reaches the purpose that obtains precise time label.
11. the harvester of drilling earthquake reference signal according to claim 5, when wireless transmission because on-the-spot electromagnetic interference etc. can not carry out data communication the time, with the bigger SD card of capacity as the temporary module of reference signal data.When communication recovers, temporal data is spread out of.
12. the harvester of drilling earthquake reference signal according to claim 5, whole reference signal harvester adopts low noise, high-precision linear stabilized power supply with two lithium battery power supplies, power management chip, when changing battery, only needs to change battery case.
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| CN200810183498A CN101749011A (en) | 2008-12-18 | 2008-12-18 | Drilling earthquake reference signal collection method and device |
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| CN200810183498A CN101749011A (en) | 2008-12-18 | 2008-12-18 | Drilling earthquake reference signal collection method and device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562033A (en) * | 2012-02-21 | 2012-07-11 | 重庆大学 | Method for testing gas drainage drill hole depth through microseismic positioning |
| CN102561941A (en) * | 2011-12-07 | 2012-07-11 | 北京市三一重机有限公司 | Rotary drilling rig and pore-forming state detection device thereof |
| CN102900426A (en) * | 2012-11-08 | 2013-01-30 | 中国石油集团西部钻探工程有限公司 | Device for monitoring working parameters of remote measuring type oil testing underground pipe column in real time |
| CN103696764A (en) * | 2012-09-28 | 2014-04-02 | 中国石油化工股份有限公司 | Seismic-while-drilling vibration signal acquisition system |
| CN103899293A (en) * | 2012-12-26 | 2014-07-02 | 中国石油化工股份有限公司 | System used for measuring impact vibration state of downhole instrument while drilling |
| CN106194159A (en) * | 2016-08-30 | 2016-12-07 | 安徽惠洲地质安全研究院股份有限公司 | A kind of mine is with boring deviational survey exploration system and measuring method thereof |
| CN109884691A (en) * | 2019-03-06 | 2019-06-14 | 中煤科工集团西安研究院有限公司 | For with the strong single-frequency and stochastic noise suppression method and system for adopting seismic signal |
| CN110111555A (en) * | 2019-05-17 | 2019-08-09 | 天津大学 | Underground working parameter telemetering wireless transmitting system |
| CN113759418A (en) * | 2021-08-25 | 2021-12-07 | 中国石油化工股份有限公司胜利油田分公司 | Seismic while drilling stereo observation system, method, computer and program product |
| CN114059997A (en) * | 2021-08-21 | 2022-02-18 | 中国海洋大学 | Seismic while drilling multi-channel continuous acquisition system and data storage and data processing method |
| CN114089413A (en) * | 2021-11-23 | 2022-02-25 | 中国科学院地质与地球物理研究所 | Method for acquiring seismic signals while drilling |
-
2008
- 2008-12-18 CN CN200810183498A patent/CN101749011A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561941A (en) * | 2011-12-07 | 2012-07-11 | 北京市三一重机有限公司 | Rotary drilling rig and pore-forming state detection device thereof |
| CN102562033A (en) * | 2012-02-21 | 2012-07-11 | 重庆大学 | Method for testing gas drainage drill hole depth through microseismic positioning |
| CN103696764A (en) * | 2012-09-28 | 2014-04-02 | 中国石油化工股份有限公司 | Seismic-while-drilling vibration signal acquisition system |
| CN102900426A (en) * | 2012-11-08 | 2013-01-30 | 中国石油集团西部钻探工程有限公司 | Device for monitoring working parameters of remote measuring type oil testing underground pipe column in real time |
| CN102900426B (en) * | 2012-11-08 | 2015-08-19 | 中国石油集团西部钻探工程有限公司 | Distant reading type Pressure Curve in Oil Testing Well lower tubular column running parameter real-time monitoring device |
| CN103899293A (en) * | 2012-12-26 | 2014-07-02 | 中国石油化工股份有限公司 | System used for measuring impact vibration state of downhole instrument while drilling |
| CN103899293B (en) * | 2012-12-26 | 2017-09-26 | 中国石油化工股份有限公司 | System for the impact shock state of measurement while drilling downhole instrument |
| CN106194159B (en) * | 2016-08-30 | 2023-02-28 | 安徽惠洲地质安全研究院股份有限公司 | Mine inclination measurement while drilling exploration system and measuring method thereof |
| CN106194159A (en) * | 2016-08-30 | 2016-12-07 | 安徽惠洲地质安全研究院股份有限公司 | A kind of mine is with boring deviational survey exploration system and measuring method thereof |
| CN109884691A (en) * | 2019-03-06 | 2019-06-14 | 中煤科工集团西安研究院有限公司 | For with the strong single-frequency and stochastic noise suppression method and system for adopting seismic signal |
| CN109884691B (en) * | 2019-03-06 | 2020-10-27 | 中煤科工集团西安研究院有限公司 | Strong single frequency and random noise suppression method and system for seismic signals with mining |
| CN110111555A (en) * | 2019-05-17 | 2019-08-09 | 天津大学 | Underground working parameter telemetering wireless transmitting system |
| CN114059997A (en) * | 2021-08-21 | 2022-02-18 | 中国海洋大学 | Seismic while drilling multi-channel continuous acquisition system and data storage and data processing method |
| CN113759418A (en) * | 2021-08-25 | 2021-12-07 | 中国石油化工股份有限公司胜利油田分公司 | Seismic while drilling stereo observation system, method, computer and program product |
| CN114089413A (en) * | 2021-11-23 | 2022-02-25 | 中国科学院地质与地球物理研究所 | Method for acquiring seismic signals while drilling |
| US11762112B2 (en) | 2021-11-23 | 2023-09-19 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Method of obtaining seismic while drilling signal |
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Open date: 20100623 |