CN105909242A - Integrated data acquirer for acoustic logging - Google Patents
Integrated data acquirer for acoustic logging Download PDFInfo
- Publication number
- CN105909242A CN105909242A CN201610488180.1A CN201610488180A CN105909242A CN 105909242 A CN105909242 A CN 105909242A CN 201610488180 A CN201610488180 A CN 201610488180A CN 105909242 A CN105909242 A CN 105909242A
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- analog
- data acquisition
- acoustic
- control unit
- signal
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- 238000006243 chemical reaction Methods 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 239000003208 petroleum Substances 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract 2
- 238000004891 communication Methods 0.000 description 6
- 238000013144 data compression Methods 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geophysics (AREA)
- Acoustics & Sound (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention relates to an integrated data acquirer for acoustic logging, and belongs to the technical field of petroleum logging instrument equipment. The integrated data acquirer is placed under a well when used and is connected with a ground control system above the well. The integrated data acquirer for acoustic logging comprises an acoustic emission sensor, an acoustic receiving sensor, an analog signal processor and a data acquisition module, wherein the acoustic emission sensor and the acoustic receiving sensor are respectively connected with the analog signal processor and the data acquisition module in sequence through signal lines. According to the data acquirer disclosed by the invention, data acquisition and control systems are integrated on a single chip, so that the integration degree and the reliability of the whole system are improved, and the system power consumption is reduced. Furthermore, the integrated data acquirer has the advantages of high integration degree, low cost, low power consumption, small size and high stability, and is more suitable for being applied to an acoustic logging system in the petroleum industry.
Description
Technical field
The present invention relates to a kind of integrated data acquisition unit for acoustic logging, belong to oil well logging instrument equipment technical field.
Background technology
Sound wave measuring well curve Acquisition Circuit governor circuit typically uses many DSP (digital signal processor)+FPGA (able to programme to patrol
Volume gate array) structure of+ADC (analog-digital converter).Wherein FPGA controls ADC and is responsible for sound wave simulation letter under various modes
Number gather, DSP has been responsible for the tasks such as digital filtering, data compression, sensor control, cable communication.DSP and FPGA,
Connected by industrial communication interface or the processor external bus interface of low speed between DSP and DSP.This structure can realize well
Lower data acquisition and system control function, but the circuit system structure of multi-chip is complicated, and circuit overall power is high；The most
Frequent communication between chip easily produces mistake, reduces the reliability that Circuits System is overall.
Summary of the invention
The purpose of the present invention is to propose to a kind of integrated data acquisition unit for acoustic logging, use SoC FPGA (able to programme
Logic gate array system-on-a-chip) device substitutes the multiple DSPs structure in legacy system, with SoC FPGA and ADC
Novel data acquisition main controller is built for core devices.
The integrated data acquisition unit for acoustic logging that the present invention proposes, is placed in down-hole, by cable with aboveground during use
Ground control system be connected, the integrated data acquisition unit for acoustic logging includes acoustic emission sensor, acoustic receiver
Sensor, analogue signal processor and data acquisition module；Wherein:
Acoustic emission sensor, for launching an acoustic signals to the borehole wall to be measured；
Acoustic receiving transducer, for receiving the echo signal reflected by the borehole wall to be measured, and is converted into 32 by this echo signal
The road original analog signal of telecommunication, the amplitude of the 32 tunnel original analog signals of telecommunication is 0～200 millivolt, then by 32 tunnel original analog electricity
Signal sends to analogue signal processor, and acoustic receiving transducer is connected by holding wire with analogue signal processor；
Analogue signal processor, for receiving the 32 tunnel original analog signals of telecommunication that acoustic receiving transducer sends, by former for 32 tunnels
Beginning analog electrical signal is divided into 8 groups, carries out computing, the pretreatment amplified, filter to often organizing 4 original analog signals of telecommunication,
To 8 groups of treated analog electrical signals, the amplitude of this analog electrical signal is 5～+5 volts, and treated by these 8 groups
Analog electrical signal is occurred to data acquisition module by holding wire, and analogue signal processor is connected with data acquisition module；
Data acquisition module, for receiving the analog electrical signal of analogue signal processor, is converted to numeral letter by analog electrical signal
Number, then digital signal is compressed and packing processes the packet obtaining specified format, and packet is sent to ground
System, data acquisition module is connected with ground system cable；Data acquisition module and analogue signal processor pass through holding wire
Being connected, data acquisition module controls the computing of analogue signal processor, amplification, filter function；Data acquisition module and sound wave
Emission sensor is connected by holding wire, and data acquisition module controls acoustic emission sensor and launches sound wave.
In integrated data acquisition unit, described data acquisition module includes analog-digital converter, analog digital conversion control unit, mould
Intend signal processing control unit, acoustic emission control unit, microprocessor and system power supply, wherein:
Analog-digital converter, for receiving 8 groups of treated analog electrical signals from analogue signal processor, will simulation electricity
Signal is converted to digital signal, and digital signal is input to analog digital conversion control unit, and analog-digital converter and modulus control single
Unit is connected by holding wire；
Analog digital conversion control unit, is used for controlling analog-digital converter and carries out analog digital conversion, and by the numeral from analog-digital converter
Signal stores according to specified format, finally by advanced peripheral bus, the digital signal of storage is sent to microprocessor；Micro-place
Reason device is connected by advanced peripheral bus with modulus control unit；
Analog signal processing control unit, be used for controlling analogue signal processor the original analog signal of telecommunication is carried out computing, amplification,
Filtering operation, analog signal processing control unit is connected by holding wire with analogue signal processor；Analog signal processing controls
Unit is connected by advanced peripheral bus with microprocessor, and microprocessor is sent out to analog signal processing control unit by this bus
Send computing, amplify, filter control instruction, to reach control action；
Acoustic emission control unit, is used for controlling acoustic emission sensor and carries out acoustic emission, acoustic emission control unit and sound
Ripple emission sensor is connected by holding wire；Acoustic emission control unit is connected by advanced peripheral bus with microprocessor, micro-
The instruction of aboveground ground control system is sent to acoustic emission control unit, acoustic emission by advanced peripheral bus by processor
Acoustic emission sensor is controlled by control unit according to instruction；
Microprocessor, for receiving the digital signal from AD conversion unit, and is compressed this digital signal processing,
Then it is sent to aboveground ground control system by specified format by cable；Microprocessor by advanced peripheral bus respectively with sound
Ripple emission controlling unit, analogy signal processing unit are connected with analog digital conversion control unit, and microprocessor can be respectively to these three
Unit realizes controlling；
System power supply, for providing power supply for integrated data acquisition unit.
The integrated data acquisition unit for acoustic logging that the present invention proposes, its advantage is as follows:
1, the integrated data acquisition unit of the present invention, microprocessor in its data acquisition module, acoustic emission control unit,
Analog signal processing control unit, analog digital conversion control unit can use a single-chip SoC FPGA device to realize, thus
Substantially increase integrated level and the reliability of data acquisition module, and it is high to make integrated data acquisition unit have integrated level, cost
Low, power consumption is little, and size is little, the advantage that stability is high, is more suitable for the application of petroleum industry acoustic logging system.
2, the integrated data acquisition unit of the present invention, the microprocessor in its data acquisition module and acoustic emission control unit,
Data sharing and access is carried out by advanced peripheral bus between analog signal processing control unit, analog digital conversion control unit,
The communication speed of communication speed energy approximation process device bus, and decrease the complicated address of circuit external, data/address bus hard
Part line, therefore the integrated data acquisition unit of the present invention uses the efficient data communication side of a kind of high speed, low-power consumption
Formula.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the integrated data acquisition unit for acoustic logging that the present invention proposes.
Fig. 2 is the structured flowchart of data acquisition module in the integrated data acquisition unit shown in Fig. 1.
Detailed description of the invention
The integrated data acquisition unit for acoustic logging that the present invention proposes, its structured flowchart is as it is shown in figure 1, put when using
In down-hole, being connected with aboveground ground control system by cable, the integrated data acquisition unit for acoustic logging includes sound
Ripple emission sensor, acoustic receiving transducer, analogue signal processor and data acquisition module；Wherein:
Acoustic emission sensor, for launching an acoustic signals to the borehole wall to be measured；
Acoustic receiving transducer, for receiving the echo signal reflected by the borehole wall to be measured, and is converted into 32 by this echo signal
The road original analog signal of telecommunication, the amplitude of the 32 tunnel original analog signals of telecommunication is 0～200 millivolt, then by 32 tunnel original analog electricity
Signal sends to analogue signal processor, and acoustic receiving transducer is connected by holding wire with analogue signal processor；
Analogue signal processor, for receiving the 32 tunnel original analog signals of telecommunication that acoustic receiving transducer sends, by former for 32 tunnels
Beginning analog electrical signal is divided into 8 groups, carries out computing, the pretreatment amplified, filter to often organizing 4 original analog signals of telecommunication,
To 8 groups of treated analog electrical signals, the amplitude of this analog electrical signal is 5～+5 volts, and treated by these 8 groups
Analog electrical signal is sent to data acquisition module by holding wire, and analogue signal processor is connected with data acquisition module；
Data acquisition module, for receiving the analog electrical signal of analogue signal processor, is converted to numeral letter by analog electrical signal
Number, then digital signal is compressed and packing processes the packet obtaining specified format, and packet is sent to ground
System, data acquisition module is connected with ground system cable；Data acquisition module and analogue signal processor pass through holding wire
Being connected, data acquisition module controls the computing of analogue signal processor, amplification, filter function；Data acquisition module and sound wave
Emission sensor is connected by holding wire, and data acquisition module controls acoustic emission sensor and launches sound wave.
In above-mentioned integrated data acquisition unit, described data acquisition module, its structured flowchart is as in figure 2 it is shown, include modulus
Transducer, analog digital conversion control unit, analog signal processing control unit, acoustic emission control unit, microprocessor and be
System power supply, wherein:
Analog-digital converter, for receiving 8 groups of treated analog electrical signals from analogue signal processor, will simulation electricity
Signal is converted to digital signal, and digital signal is input to analog digital conversion control unit, and analog-digital converter and modulus control single
Unit is connected by holding wire；
Analog digital conversion control unit, is used for controlling analog-digital converter and carries out analog digital conversion, and by the numeral from analog-digital converter
Signal stores according to specified format, finally by advanced peripheral bus, the digital signal of storage is sent to microprocessor；Micro-place
Reason device is connected by advanced peripheral bus with modulus control unit；
Analog signal processing control unit, be used for controlling analogue signal processor the original analog signal of telecommunication is carried out computing, amplification,
Filtering operation, analog signal processing control unit is connected by holding wire with analogue signal processor；Analog signal processing controls
Unit is connected by advanced peripheral bus with microprocessor, and microprocessor is sent out to analog signal processing control unit by this bus
Send computing, amplify, filter control instruction, to reach control action；
Acoustic emission control unit, is used for controlling acoustic emission sensor and carries out acoustic emission, acoustic emission control unit and sound
Ripple emission sensor is connected by holding wire；Acoustic emission control unit is connected by advanced peripheral bus with microprocessor, micro-
The instruction of aboveground ground control system is sent to acoustic emission control unit, acoustic emission by advanced peripheral bus by processor
Acoustic emission sensor is controlled by control unit according to instruction；
Microprocessor, for receiving the digital signal from AD conversion unit, and is compressed this digital signal processing,
Then it is sent to aboveground ground control system by specified format by cable；Microprocessor by advanced peripheral bus respectively with sound
Ripple emission controlling unit, analogy signal processing unit are connected with analog digital conversion control unit, and microprocessor can be respectively to these three
Unit realizes controlling；
System power supply, for providing power supply for integrated data acquisition unit.
Below in conjunction with accompanying drawing, operation principle and the work process of of the present invention data acquisition unit it is discussed in detail by step:
1, the microprocessor of the data acquisition module acquisition instructions by the aboveground ground system of cable reception.
2, the acquisition instructions of aboveground ground control system is sent by the microprocessor of data acquisition module by advanced peripheral bus
To acoustic emission control unit.
3, the acoustic emission control unit in data acquisition module controls soic wave transmitting energy converter to the borehole wall to be measured transmitting sound wave letter
Number.
4, acoustic receiving transducer receives the echo signal of borehole wall reflection, and this echo signal is converted into the 32 original moulds in tunnel
Intending the signal of telecommunication, the amplitude of the 32 tunnel original analog signals of telecommunication is 0～200 millivolt.
5, analog signal processing control unit controls analogue signal processor, and analogue signal processor receives acoustic receiver sensing
The 32 tunnel original analog signals of telecommunication are divided into 8 groups, to often organizing 4 original analog by the 32 tunnel original analog signals of telecommunication that device sends
The signal of telecommunication carries out computing, the pretreatment amplified, filter, and obtains 8 groups of treated analog electrical signals, this analog electrical signal
Amplitude be 5～+5 volts, and by these 8 groups of treated analog electrical signals by holding wire send to data acquisition module.
6, the analog-digital converter in data acquisition module receives 8 groups of treated simulation electricity from analogue signal processor
Signal, is converted to analog electrical signal digital signal, and digital signal is input to analog digital conversion control unit.
7, the microprocessor of data acquisition module reads the digital signal in analog digital conversion control unit by advanced peripheral bus,
And this digital signal is compressed packing process, then it is sent to aboveground ground control system by specified format by cable.
Above-mentioned steps 17 circulation performs, to complete repeatedly sound wave measuring well curve acquisition function.
Claims (2)
1. the integrated data acquisition unit for acoustic logging, it is characterised in that this is used for the integrated number of acoustic logging
It is placed in down-hole according to harvester, is connected with aboveground ground control system by cable, for the integrated data acquisition of acoustic logging
Storage includes acoustic emission sensor, acoustic receiving transducer, analogue signal processor and data acquisition module；Wherein:
Acoustic emission sensor, for launching an acoustic signals to the borehole wall to be measured；
Acoustic receiving transducer, for receiving the echo signal reflected by the borehole wall to be measured, and is converted into 32 by this echo signal
The road original analog signal of telecommunication, the amplitude of the 32 tunnel original analog signals of telecommunication is 0～200 millivolt, then by 32 tunnel original analog electricity
Signal sends to analogue signal processor, and acoustic receiving transducer is connected by holding wire with analogue signal processor；
Analogue signal processor, for receiving the 32 tunnel original analog signals of telecommunication that acoustic receiving transducer sends, by former for 32 tunnels
Beginning analog electrical signal is divided into 8 groups, carries out computing, the pretreatment amplified, filter to often organizing 4 original analog signals of telecommunication,
To 8 groups of treated analog electrical signals, the amplitude of this analog electrical signal is 5～+5 volts, and treated by these 8 groups
Analog electrical signal is occurred to data acquisition module by holding wire, and analogue signal processor is connected with data acquisition module；
Data acquisition module, for receiving the analog electrical signal of analogue signal processor, is converted to numeral letter by analog electrical signal
Number, then digital signal is compressed and packing processes the packet obtaining specified format, and packet is sent to ground
System, data acquisition module is connected with ground system cable；Data acquisition module and analogue signal processor pass through holding wire
Being connected, data acquisition module controls the computing of analogue signal processor, amplification, filter function；Data acquisition module and sound wave
Emission sensor is connected by holding wire, and data acquisition module controls acoustic emission sensor and launches sound wave.
Integrated data acquisition unit the most as claimed in claim, it is characterised in that wherein said data acquisition module includes
Analog-digital converter, analog digital conversion control unit, analog signal processing control unit, acoustic emission control unit, microprocessor
And system power supply, wherein:
Analog-digital converter, for receiving 8 groups of treated analog electrical signals from analogue signal processor, will simulation electricity
Signal is converted to digital signal, and digital signal is input to analog digital conversion control unit, and analog-digital converter and modulus control single
Unit is connected by holding wire；
Analog digital conversion control unit, is used for controlling analog-digital converter and carries out analog digital conversion, and by the numeral from analog-digital converter
Signal stores according to specified format, finally by advanced peripheral bus, the digital signal of storage is sent to microprocessor；Micro-place
Reason device is connected by advanced peripheral bus with modulus control unit；
Analog signal processing control unit, be used for controlling analogue signal processor the original analog signal of telecommunication is carried out computing, amplification,
Filtering operation, analog signal processing control unit is connected by holding wire with analogue signal processor；Analog signal processing controls
Unit is connected by advanced peripheral bus with microprocessor, and microprocessor is sent out to analog signal processing control unit by this bus
Send computing, amplify, filter control instruction, to reach control action；
Acoustic emission control unit, is used for controlling acoustic emission sensor and carries out acoustic emission, acoustic emission control unit and sound
Ripple emission sensor is connected by holding wire；Acoustic emission control unit is connected by advanced peripheral bus with microprocessor, micro-
The instruction of aboveground ground control system is sent to acoustic emission control unit, acoustic emission by advanced peripheral bus by processor
Acoustic emission sensor is controlled by control unit according to instruction；
Microprocessor, for receiving the digital signal from AD conversion unit, and is compressed this digital signal processing,
Then it is sent to aboveground ground control system by specified format by cable；Microprocessor by advanced peripheral bus respectively with sound
Ripple emission controlling unit, analogy signal processing unit are connected with analog digital conversion control unit, and microprocessor can be respectively to these three
Unit realizes controlling；
System power supply, for providing power supply for integrated data acquisition unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610488180.1A CN105909242A (en) | 2016-06-28 | 2016-06-28 | Integrated data acquirer for acoustic logging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610488180.1A CN105909242A (en) | 2016-06-28 | 2016-06-28 | Integrated data acquirer for acoustic logging |
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| CN105909242A true CN105909242A (en) | 2016-08-31 |
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| CN201610488180.1A Pending CN105909242A (en) | 2016-06-28 | 2016-06-28 | Integrated data acquirer for acoustic logging |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772394A (en) * | 2017-01-13 | 2017-05-31 | 苏州桑泰海洋仪器研发有限责任公司 | The device of sonar system signal acquisition transfer control method and application the method |
| CN107526020A (en) * | 2017-07-24 | 2017-12-29 | 清华大学 | A kind of automatic checkout system of the acoustic logging signal acquisition circuit based on SoC |
| CN111983692A (en) * | 2020-07-13 | 2020-11-24 | 中国石油天然气集团有限公司 | Array sound wave digital signal communication acquisition control analog device |
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2016
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| US5678643A (en) * | 1995-10-18 | 1997-10-21 | Halliburton Energy Services, Inc. | Acoustic logging while drilling tool to determine bed boundaries |
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| CN102505935A (en) * | 2011-10-20 | 2012-06-20 | 中国石油天然气集团公司 | Excitation circuit of transducer array of three-dimensional acoustic wave downhole instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772394A (en) * | 2017-01-13 | 2017-05-31 | 苏州桑泰海洋仪器研发有限责任公司 | The device of sonar system signal acquisition transfer control method and application the method |
| CN107526020A (en) * | 2017-07-24 | 2017-12-29 | 清华大学 | A kind of automatic checkout system of the acoustic logging signal acquisition circuit based on SoC |
| CN111983692A (en) * | 2020-07-13 | 2020-11-24 | 中国石油天然气集团有限公司 | Array sound wave digital signal communication acquisition control analog device |
| CN111983692B (en) * | 2020-07-13 | 2023-08-22 | 中国石油天然气集团有限公司 | Array sound wave digital signal communication acquisition control simulation device |
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Application publication date: 20160831 |