CN201599025U - Wellhead receiving equipment of oil well downhole wireless telemetering system - Google Patents
Wellhead receiving equipment of oil well downhole wireless telemetering system Download PDFInfo
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- CN201599025U CN201599025U CN2010201310426U CN201020131042U CN201599025U CN 201599025 U CN201599025 U CN 201599025U CN 2010201310426 U CN2010201310426 U CN 2010201310426U CN 201020131042 U CN201020131042 U CN 201020131042U CN 201599025 U CN201599025 U CN 201599025U
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Abstract
Wellhead receiving equipment of an oil well downhole wireless telemetering system relates to the technical field of the industrial information technology and petroleum well measurement, overcomes shortages that the surface of the existing oil well wireless telemetering system can not detect external environment and self environment, and resolves the problems that the existing wire communication facility in oil production area is poor, can not send data information in time, and is complicated in information transmission and weak in stability and reliability. The wellhead receiving equipment is characterized in that an input end of a sound signal receiving unit of the wellhead receiving equipment is used for receiving data signal sent from the downhole while an output thereof is connected with an input end of an analog signal conditioning unit, an output end of the analog signal conditioning unit is connected with a receiving end of an FPGA real-time signal processing unit, an output end of the FPGA real-time signal processing unit is connected with a receiving end of an ARM system data management unit, and the ARM system data management unit is connected with an SD card data storage unit and an GPRS wireless sending circuit respectively, and is further connected with an equipment self-checking unit and an environment detection unit via an IIC bus. The wellhead receiving equipment is adaptable to bottom parameter measurement of oil wells widely distributed on shores.
Description
Technical field
The utility model relates to industrial information technology and oil well field of measuring technique, is specifically related to the well head receiving equipment of oil well downhole wireless telemetry system.
Background technology
In oil field, by the parameters such as temperature and pressure of reference oil bottom, the staff can extrapolate the pasta degree of depth of oil well and adjust water filling pressurization situation according to engineering experience.
The conventional oil well method of testing all is to adopt wired mode, sensor is delivered to the down-hole test, thereby inevitably produce a lot of drawbacks: need oil well to stop production and cooperate, influence operating efficiency; The shop space of lines is narrow and small, and the above degree of depth oil well of test km difficulty is big; Most equipment are import, cost an arm and a leg.
Adopt the oil well wireless remote-measuring system to be applied to the measurement of oil well downhole parameters now, the oil well wireless remote-measuring system is made up of down-hole and aboveground two parts.The down-hole part is then carried out these parameters specific modulation and is converted to acoustic signal by acoustic transmitter, and reached well head by the oil pipe channel by geologic parameter sensor acquisition parameters.But there is the defective that can't detect external environment condition and equipment self environment in the aboveground part of existing oil well wireless remote-measuring system, and the very poor data of existing oil-producing region wire communication facility can not in time be implemented that transmission information, transmission information are loaded down with trivial details, the problem of stability and poor reliability.
The utility model content
There is the defective that can't detect external environment condition and equipment self environment in the utility model for the aboveground part that solves existing oil well wireless remote-measuring system, and the very poor data of existing oil-producing region wire communication facility can not in time be implemented that transmission information, transmission information are loaded down with trivial details, the problem of stability and poor reliability, and have proposed the well head receiving equipment of oil well downhole wireless telemetry system.
The utility model comprises acoustic signal receiving element, analog signal conditioner unit, FPGA real time signal processing unit, ARM system data administrative unit, equipment self-inspection unit, Environmental Monitoring unit, SD card data storage circuitry and GPRS wireless transmission circuit composition; The input of acoustic signal receiving element is used for the data-signal of transmission under the received well, and the output of acoustic signal receiving element links to each other with the input of analog signal conditioner unit; The output of analog signal conditioner unit links to each other with the receiving terminal of FPGA real time signal processing unit; The output of FPGA real time signal processing unit links to each other with the receiving terminal of ARM system data administrative unit; The data serial ports of ARM system data administrative unit links to each other with the data serial ports of SD card data storage circuitry; The asynchronous communication serial ports of ARM system data administrative unit links to each other with the communication serial port of GPRS wireless transmission circuit; ARM system data administrative unit links to each other with the Environmental Monitoring unit with the equipment self-inspection unit by iic bus.It also comprises PMU, and the power output end of technical grade 380V alternating current links to each other with the power input of PMU; The power output end of PMU links to each other with the power input of acoustic signal receiving element, analog signal conditioner unit, FPGA real time signal processing unit, ARM system data administrative unit, SD card data storage circuitry and GPRS wireless transmission circuit.
The utility model is applied to the well head receiving system of oil well bottom parameter measurement.It receives the signal through the communication modulation from the shaft bottom, and it is carried out signal condition and demodulation in real time, and modulation signal is reduced to geologic parameter; This receiver is as a node of oil well group information network, and its Data Management Unit receives this parameter and it is carried out package and encryption, and then the data after will handling are carried out wireless transmission of GPRS form and on-the-spot storage.This equipment is primarily aimed at this mode, realizes from demodulation, storage, the forwarding of shaft bottom modulation signal and receive Long-distance Control from the center system machine.Each oil well of considering oil-producing region simultaneously is distributed widely in large-area interpersonal rare area, and the sensing network of the distributed realization automatic data transmission of design one cover can effectively be alleviated staff's the amount of labour.In addition, traditional oil-producing region wire communication facility is very poor, and the covering of mobile Operation Network is very comprehensive, and it is very convenient therefore to carry out the networking realization based on wireless Operation Network, has also save the cost input of own networking.
The utility model mainly comprises analog signal conditioner unit, FPGA real time signal processing unit, ARM system data administrative unit, power supply administrative unit on duty, equipment self-inspection unit and Environmental Monitoring unit.The filtering and gain control to faint analog signal is responsible in the analog signal conditioner unit; FPGA real time signal processing unit by using FPGA realizes the reduction demodulation to acquired signal; ARM system data administrative unit realizes the encryption, packing, on-the-spot storage to restoring data by arm processor and sends based on the data of GPRS form; Power supply administrative unit on duty is responsible for periodically start-up system power supply; Equipment self-inspection is used for leak protection, humidity and temperature regime of equipment place box house and detects; The Environmental Monitoring unit is used for analytical equipment job site weather condition, avoids starting shooting under bad weathers such as thunderstorm and causes device damage.By the said equipment finish the following course of work at first system regularly start, carry out two-way handshake with remote central system machine; The well head receiving equipment inner sealing situation self check of oil well downhole wireless telemetry system afterwards, the well head receiving equipment operate outside weather judgement of oil well downhole wireless telemetry system; Finally begin to receive the well head data, and carry out demodulation, encryption, package, and rear platform is stored and wireless transmission final result.It can carry out two-way communication with remote central system machine; Equipment can be realized device interior self check and work weather monitoring according to Long-distance Control information, has avoided the infringement because of equipment leaks or thunderstorm weather work causes equipment; Sensing node reaches the center system machine by wireless mode with data, has save work of workman's multi-point and wiring cost; The cost of networking has voluntarily been save by the networking of GPRS form by system, and transmission range is extended to whole Operation Network coverage, and networking is convenient; Its platform uses the FPGA+ARM framework, has realized that signal is handled in real time and the rational division of work of later data management.At the petroleum recovering district, this equipment advantage is: stable and reliability height; Carry out distributed networking based on the GPRS form, wide coverage is applicable to land widely distributed oil well bottom parameter measurement.
Description of drawings
Fig. 1 is the general illustration of the well head receiving equipment of oil well downhole wireless telemetry system; Fig. 2 is the aboveground structural representation of the well head receiving equipment of oil well downhole wireless telemetry system; Fig. 3 is the distribution networking schematic diagram of the well head receiving equipment of oil well downhole wireless telemetry system.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1 present embodiment is described, present embodiment is made up of acoustic signal receiving element 1, analog signal conditioner unit 2, FPGA real time signal processing unit 3, ARM system data administrative unit 4, equipment self-inspection unit 5, Environmental Monitoring unit 6, SD card data storage circuitry 7 and GPRS wireless transmission circuit 8; The input of acoustic signal receiving element 1 is used for the data-signal of transmission under the received well, and the output of acoustic signal receiving element 1 links to each other with the input of analog signal conditioner unit 2; The output of analog signal conditioner unit 2 links to each other with the receiving terminal of FPGA real time signal processing unit 3; The output of FPGA real time signal processing unit 3 links to each other with the receiving terminal of ARM system data administrative unit 4; The data serial ports of ARM system data administrative unit 4 links to each other with the data serial ports of SD card data storage circuitry 7; The asynchronous communication serial ports of ARM system data administrative unit 4 links to each other with the communication serial port of GPRS wireless transmission circuit 8; ARM system data administrative unit 4 links to each other with Environmental Monitoring unit 6 with equipment self-inspection unit 5 by iic bus.
The specific embodiment two: present embodiment is described in conjunction with Fig. 2, present embodiment and the specific embodiment one difference are that acoustic signal receiving element 1 adopts acceleration transducer, acoustic signal receiving element 1 receives this acoustic vibration signal, and is converted into the signal of telecommunication and sends to analog signal conditioner unit 2.Other composition is identical with the specific embodiment one with connected mode.
The specific embodiment three: in conjunction with Fig. 2 present embodiment is described, present embodiment and the specific embodiment one difference are that analog signal conditioner unit 2 is made up of front end impedance matching circuit 21, bandwidth-limited circuit 22, gain control circuit 23, voltage lifting circuit 24, anti-aliasing filter circuit 25 and analog to digital conversion circuit 26; The input of front end impedance matching circuit 21 is the input of analog signal conditioner unit 2; The output of front end impedance matching circuit 21 links to each other with the input of bandwidth-limited circuit 22; The output of bandwidth-limited circuit 22 links to each other with the input of gain control circuit 23; The output of gain control circuit 23 links to each other with the input of voltage lifting circuit 24; The output of voltage lifting circuit 24 links to each other with the input of anti-aliasing filter circuit 25; The output of anti-aliasing filter circuit 25 links to each other with the input of analog to digital conversion circuit 26; The output of analog to digital conversion circuit 26 is the output of analog signal conditioner unit 2.Bandwidth-limited circuit 22 adopts the MAX274 active filter, builds eight rank Chebyshev filters; Signal gain mode in the gain control circuit 23 adopts manual gain and automatic gain dual mode to realize that gain control circuit 23 is selected the programmable-gain controller for use; Anti-aliasing filter circuit 25 is realized simple and easy active second-order filter for the low frequency overlapped-resistable filter of Sallen-Key, the high fdrequency component of introducing when being used for filtering gain control; Analog signal conditioner unit 2 carries out filtering, gain-adjusted and analog-to-digital conversion with the signal of telecommunication that acoustic signal receiving element 1 sends; Other composition is identical with the specific embodiment one with connected mode.
The specific embodiment four: in conjunction with Fig. 2 present embodiment is described, present embodiment and the specific embodiment one difference are that FPGA real time signal processing unit 3 adopts the EP3C25 of altera corp technical grade chip; FPGA real time signal processing unit 3 receives the data signal after the analog-to-digital conversion of analog signal conditioner unit 2, and it is carried out real-time corresponding demodulation, is reduced to the corresponding geological parameter; FPGA real time signal processing unit 3 uses asynchronous communication means to realize that high-speed data is mutual with ARM system data administrative unit 4.Other composition is identical with the specific embodiment one with connected mode.
The specific embodiment five: present embodiment is described in conjunction with Fig. 2, present embodiment and the specific embodiment one difference are that ARM system data administrative unit 4 comprises ARM microprocessor 41, SDRAM Synchronous Dynamic Random Access Memory 42, NANDFLASH memory 43 and network control chip 44, and ARM microprocessor 41 links to each other with NANDFLASH memory 43 with SDRAM Synchronous Dynamic Random Access Memory 42 respectively by external memory bus; ARM microprocessor 41 links to each other with network interface by network control chip 44; ARM microprocessor 41 adopts the S3C2410 of Samsung chip, transplants the operating system that the Linux code is increased income on the sheet.ARM system data administrative unit 4 receives these geology parameters, to its maintain secrecy, package handles, and then data carried out SD card data storage circuitry 7 and GPRS wireless transmission circuit 8 sends.Other composition is identical with the specific embodiment one with connected mode.
The specific embodiment six: in conjunction with Fig. 2 present embodiment is described, present embodiment and the specific embodiment one difference are to comprise in the equipment self-inspection unit 5 into water detecting sensor, temperature pick up and humidity sensor; Equipment self-inspection unit 5 is used for checkout equipment place seal case temperature inside, humidity and equipment flooded condition.Comprise temperature pick up, humidity sensor and air velocity transducer in the Environmental Monitoring unit 6; Environmental Monitoring unit 6 is to monitor wind speed, humidity, the temperature of oil well environment.Be used to avoid start shooting under the adverse circumstances system or even oil well are damaged.Other composition is identical with the specific embodiment one with connected mode.
The specific embodiment seven: in conjunction with Fig. 3 present embodiment is described, present embodiment and the specific embodiment one difference are that GPRS wireless transmission circuit 8 adopts the EM310DTU of Huawei.Each platform is formed the distributed sensing network by the core Operation Network of GPRS wireless transmission circuit 8; This sensing network connects center system machine place LAN by Internet.Other composition is identical with the specific embodiment one with connected mode.
The specific embodiment eight: present embodiment and the specific embodiment one difference are to have increased PMU, and the power output end of technical grade 380V alternating current links to each other with the power input of PMU; A plurality of power output ends of PMU link to each other with the power input of acoustic signal receiving element 1, analog signal conditioner unit 2, FPGA real time signal processing unit 3, ARM system data administrative unit 4, SD card data storage circuitry 7 and GPRS wireless transmission circuit 8 respectively; Comprise Timing power supply attended circuit in the PMU based on the low-power scm of MSP430 chip, thereby can make things convenient for and realize accurately the periodicity of system is started, greatly reduce on the one hand system power dissipation, on the other hand timing accurately can effectively consider the leap year, the leap month etc. the special time.PMU also comprises the standby electric self-starting device of main power source power down; The standby electric self-starting device of main power source power down starts the standby battery power supply automatically behind system's alternating current power failure; Low-power dissipation power supply regularly device on duty comprises low-power scm, special clock chip, high level turning circuit, when reaching default, the special clock chip reports to the police constantly, by the external interrupt wakeup low-power scm, the low-power scm I/O mouth that links to each other with the high level turning circuit is kept the set time high level and is made its conducting, the power supply of realization system.Other composition is identical with the specific embodiment one with connected mode.
The operating principle step of the well head receiving equipment of oil well downhole wireless telemetry system of the present utility model is as follows:
Step 1, low-power dissipation power supply system on duty regularly starts working platform, and platform and remote central system machine carry out the two-way handshake judgement;
Step 2, platform carries out device interior sealing and working condition self check by the decision circuit that leaks, humidity sensor, temperature pick up, carries out weather conditions by humidity sensor, temperature pick up and judges, and will detect with estimate of situation and pass to system's machine; If equipment leaks or thunderstorm weather, equipment will be closed voluntarily;
Step 3, the hole top signal receiving element receives the modulation signal of well head, and is translated into the signal of telecommunication; The signal condition unit carries out filtering and gain-adjusted with this signal of telecommunication, makes analog signal have good signal-to-noise and bigger dynamic range, and after this A/D converter is a data signal with analog signal conversion; FPGA receives this data signal, and it is carried out real-time demodulation process, and signal is reduced to geologic parameter; ARM system data administrative unit receives this geology parameter, and it is encrypted and the package processing, then data is carried out on-the-spot storage of SD card and GPRS wireless transmission.
The advantage of above-mentioned embodiment is:
1, platform can be realized the working condition self check according to remote control signal, guarantees system stability work;
2, platform can be realized environmental aspect is detected according to remote control signal, avoids opening the merit working platform under adverse circumstances, causes adverse consequences; As thundery sky gas, radio communication need be considered the thunderbolt influence;
3, FPGA real time signal processing unit adopts the CycloneIII EP3C25 in generation, utilizes the algorithm advantage of FPGA, realizes real time signal processing;
4, ARM embeds (SuSE) Linux OS, and code is open, greatly reduces networking cost, is convenient to realize multiple task management and makes up file system;
5, wireless communication module adopts the MC55 module, and its embedded ICP/IP protocol is convenient to realize procotol transmission programming;
6, PMU is realized the power supply of cycle accurate start-up system by low-power scm MSP430 and clock chip PCF8563.
The utility model content is not limited only to the content of the respective embodiments described above, and the combination of one of them or several specific embodiment equally also can realize the purpose of inventing.
Claims (10)
1. the well head receiving equipment of oil well downhole wireless telemetry system is characterized in that it comprises acoustic signal receiving element (1), analog signal conditioner unit (2), FPGA real time signal processing unit (3), ARM system data administrative unit (4), equipment self-inspection unit (5), Environmental Monitoring unit (6), SD card data storage circuitry (7) and GPRS wireless transmission circuit (8); The input of acoustic signal receiving element (1) is used for the data-signal of transmission under the received well, and the output of acoustic signal receiving element (1) links to each other with the input of analog signal conditioner unit (2); The output of analog signal conditioner unit (2) links to each other with the receiving terminal of FPGA real time signal processing unit (3); The output of FPGA real time signal processing unit (3) links to each other with the receiving terminal of ARM system data administrative unit (4); The data serial ports of ARM system data administrative unit (4) links to each other with the data serial ports of SD card data storage circuitry (7); The asynchronous communication serial ports of ARM system data administrative unit (4) links to each other with the communication serial port of GPRS wireless transmission circuit (8); ARM system data administrative unit (4) links to each other with Environmental Monitoring unit (6) with equipment self-inspection unit (5) by iic bus.
2. the well head receiving equipment of oil well downhole wireless telemetry system according to claim 1 is characterized in that acoustic signal receiving element (1) adopts acceleration transducer.
3. the well head receiving equipment of oil well downhole wireless telemetry system according to claim 1 is characterized in that analog signal conditioner unit (2) is made up of front end impedance matching circuit (21), bandwidth-limited circuit (22), gain control circuit (23), voltage lifting circuit (24), anti-aliasing filter circuit (25) and analog to digital conversion circuit (26); The input of front end impedance matching circuit (21) is the input of analog signal conditioner unit (2); The output of front end impedance matching circuit (21) links to each other with the input of bandwidth-limited circuit (22); The output of bandwidth-limited circuit (22) links to each other with the input of gain control circuit (23); The output of gain control circuit (23) links to each other with the input of voltage lifting circuit (24); The output of voltage lifting circuit (24) links to each other with the input of anti-aliasing filter circuit (25); The output of anti-aliasing filter circuit (25) links to each other with the input of analog to digital conversion circuit (26); The output of analog to digital conversion circuit (26) is the output of analog signal conditioner unit (2).
4. the well head receiving equipment of oil well downhole wireless telemetry system according to claim 3 is characterized in that bandwidth-limited circuit (22) adopts the MAX274 active filter; Gain control circuit (23) adopts the programmable-gain controller; Anti-aliasing filter circuit (25) adopts the low frequency overlapped-resistable filter of Sallen-Key.
5. the well head receiving equipment of oil well downhole wireless telemetry system according to claim 1 is characterized in that FPGA real time signal processing unit (3) adopts EP3C25 technical grade chip.
6. the well head receiving equipment of oil well downhole wireless telemetry system according to claim 1, it is characterized in that ARM system data administrative unit (4) comprises ARM microprocessor (41), SDRAM Synchronous Dynamic Random Access Memory (42), NANDFLASH memory (43) and network control chip (44), ARM microprocessor (41) links to each other with NANDFLASH memory (43) with SDRAM Synchronous Dynamic Random Access Memory (42) respectively by external memory bus; ARM microprocessor (41) links to each other with network interface by network control chip (44).
7. the well head receiving equipment of oil well downhole wireless telemetry system according to claim 6 is characterized in that ARM microprocessor (41) adopts the S3C2410 of Samsung chip.
8. the well head receiving equipment of oil well downhole wireless telemetry system according to claim 1 is characterized in that comprising in the equipment self-inspection unit (5) into water detecting sensor, temperature pick up and humidity sensor; Equipment self-inspection unit (5) is used for checkout equipment place seal case temperature inside, humidity and equipment flooded condition; The Environmental Monitoring unit comprises temperature pick up, humidity sensor and air velocity transducer in (6); Environmental Monitoring unit (6) is to monitor wind speed, humidity, the temperature of oil well environment.
9. the well head receiving equipment of oil well downhole wireless telemetry system according to claim 1 is characterized in that GPRS wireless transmission circuit (8) adopts the EM310DTU of Huawei.
10. the well head receiving equipment of oil well downhole wireless telemetry system according to claim 1 is characterized in that also comprising PMU, and the power output end of technical grade 380V alternating current links to each other with the power input of PMU; A plurality of power output ends of PMU link to each other with acoustic signal receiving element (1), analog signal conditioner unit (2), FPGA real time signal processing unit (3), ARM system data administrative unit (4), SD card data storage circuitry (7) and the power input of GPRS wireless transmission circuit (8) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201310426U CN201599025U (en) | 2010-03-15 | 2010-03-15 | Wellhead receiving equipment of oil well downhole wireless telemetering system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201310426U CN201599025U (en) | 2010-03-15 | 2010-03-15 | Wellhead receiving equipment of oil well downhole wireless telemetering system |
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| CN201599025U true CN201599025U (en) | 2010-10-06 |
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| CN2010201310426U Expired - Fee Related CN201599025U (en) | 2010-03-15 | 2010-03-15 | Wellhead receiving equipment of oil well downhole wireless telemetering system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150880A (en) * | 2013-02-02 | 2013-06-12 | 浙江大学 | Long-distance sensing network node oriented to offshore wind power system state monitoring and method |
| CN104990569A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Instrument automatic detection and intelligent transmission system and transmission method for oil and gas production |
| CN105425678A (en) * | 2015-12-15 | 2016-03-23 | 华中科技大学 | Quick self-checking internal inspection data acquisition device for heating furnace tube leakage flux |
| CN105587314A (en) * | 2014-10-23 | 2016-05-18 | 中国石油集团长城钻探工程有限公司 | Low power consumption well logging telemetry system |
-
2010
- 2010-03-15 CN CN2010201310426U patent/CN201599025U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150880A (en) * | 2013-02-02 | 2013-06-12 | 浙江大学 | Long-distance sensing network node oriented to offshore wind power system state monitoring and method |
| CN105587314A (en) * | 2014-10-23 | 2016-05-18 | 中国石油集团长城钻探工程有限公司 | Low power consumption well logging telemetry system |
| CN104990569A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Instrument automatic detection and intelligent transmission system and transmission method for oil and gas production |
| CN105425678A (en) * | 2015-12-15 | 2016-03-23 | 华中科技大学 | Quick self-checking internal inspection data acquisition device for heating furnace tube leakage flux |
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Granted publication date: 20101006 Termination date: 20120315 |