CN101469610A - Measurement while drilling exploring tube sensor signal simulator - Google Patents
Measurement while drilling exploring tube sensor signal simulator Download PDFInfo
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- CN101469610A CN101469610A CNA2007101164210A CN200710116421A CN101469610A CN 101469610 A CN101469610 A CN 101469610A CN A2007101164210 A CNA2007101164210 A CN A2007101164210A CN 200710116421 A CN200710116421 A CN 200710116421A CN 101469610 A CN101469610 A CN 101469610A
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Abstract
The present invention discloses a exploring tube sensor signal simulator in petroleum well drilling MWD system, which includes a constant voltage module and seven channel identical structure circuit, which are used to simulate seven channel signal of the sensor as OUTGX, OUTGY, OUTGZ, OUTMX, OUTMY, OUTMZ, OUTT, and each channel analog signals circuit includes a signal conditioning circuit and a follower. The present invention is provided with advantages like output signal of the sensor signal simulator stable, accuracy high, no restrict to external conditions like parameter correction, environment and calibration frame when testing the exploring tube circuit, can measure exploring tube circuit conveniently, accurately and fully, and enhance exploring tube circuit test efficiency.
Description
Technical field
The present invention relates to a kind of sensor signal simulator, specifically, relate to a kind of measurement while drilling exploring tube sensor signal simulator that is used for oil drilling system.
Background technology
In the drilling well measurement-while-drilling system, the down-hole inserting tube is made up of sensor and circuit, common circuit detecting method is: use sensor to provide signal source as circuit, by computer circuit is detected, in practical operation, to write corresponding program according to each root sensor parameters, link to each other with circuit to be detected, also need sensor is placed on the demarcation frame of no magnetic environment and test, the method needs that equipment is more, complicated operating process and inefficiency.
Summary of the invention
In the drilling well measurement-while-drilling system, under the testing well during inserting tube circuit, use sensor to provide signal source, circuit is detected, in real work by computer as circuit, there is not special sensor to be used for test, because each root sensor parameters difference, need write corresponding program according to different parameters, link to each other with circuit to be detected again, also need sensor is placed on the demarcation frame of no magnetic environment and test, the method needs that equipment is more, complicated operating process and inefficiency.The objective of the invention is for a kind of sensor signal simulator that exploring tube sensor carries out circuit test of simulating is provided.
For realizing described purpose, analog sensor signal of the present invention, because sensor internal comprises 3 acceleration of gravity meters (X-axis, Y-axis, Z axle), 3 fluxgates (X-axis, Y-axis, Z axle) and 1 temperature pick up, produce seven tunnel output signals, so Sensor Signal Simulation Circuit comprises the analogue signal circuit of constant voltage module and seven road same structures, wherein, one road analogue signal circuit comprises circuit for signal conditioning and follower.Described constant voltage module is the accurate power supply of high accuracy, and its precision is 10.000v ± 2.5mv, for circuit part provides the normal voltage signal.Described follower is a degree of depth negative-feedback voltage follower.Described circuit for signal conditioning is a end that potentiometer inserts follower, the c end output signal of follower.Described seven road analogue signal circuits, wherein signal OUTGX, OUTGY, the OUTGZ of three of three road simulated gravity accelerometers axial (X-axis, Y-axis, Z axles), signal OUTMX, OUTMY, the OUTMZ of three axial (X-axis, Y-axis, Z axles) of other three tunnel simulation fluxgates, the signal OUTT of last road analog temperature sensor, seven road signal output area (DC voltage) :-5V～+ 5V.
Advantage of the present invention is stable output signal, the precision height of sensor signal simulator, when test inserting tube circuit, the restriction of external conditions such as printenv correction, environment, demarcation frame, can make things convenient for, measure accurately, all sidedly the inserting tube circuit, improve inserting tube circuit test efficient, realized an important improvement of measurement while-drilling instrument measuring technology.
Description of drawings
Fig. 1 represents the circuit theory diagrams of embodiments of the invention.
The specific embodiment
Now the present invention is further described in conjunction with Figure of description.
Fig. 1 is the circuit theory diagrams of embodiments of the invention.Because seven road circuit structures are identical, so only to wherein one the tunnel being described in detail, one road analogue signal circuit comprises circuit for signal conditioning and follower, among Fig. 1,1 is the constant voltage module, and 2 is the GX circuit for signal conditioning, and 3 is follower, the precision of constant voltage module 1 is 10.000v ± 2.5mv, for circuit provides the normal voltage signal.The a that inserts follower 3 through GX circuit for signal conditioning 2 output voltage signals holds, the c end output signal OUTGX of follower 3, and seven road signal output area (DC voltage) :-5V～+ 5V.
In the analog output signal of seven road same structures, three road signals of signal OUTGX, OUTGY, OUTGZ simulated gravity accelerometer, three road signals of signal OUTMX, OUTMY, OUTMZ simulation fluxgate, signal OUTT analog temperature sensor signal, seven road signal output area (DC voltage) :-5V～+ 5V.The signal of exploring tube sensor under the complete simulation well of the present invention, analog sensor signal is tested down-hole inserting tube circuit.
Claims (2)
1, a kind of measurement while drilling exploring tube sensor signal simulator, it is characterized in that containing the analogue signal circuit of a constant voltage module and seven road same structures, wherein, one road analogue signal circuit comprises circuit for signal conditioning and follower, described circuit for signal conditioning inserts a end of follower, the c end output signal of follower.
2, a kind of measurement while drilling exploring tube sensor signal simulator according to claim 1, signal OUTGX, the OUTGY, the OUTGZ that it is characterized in that three axial (X-axis, Y-axis, Z axles) of three tunnel signal imitation acceleration of gravity meters in seven road signals, signal OUTMX, OUTMY, the OUTMZ of three axial (X-axis, Y-axis, Z axles) of other three tunnel signal imitation fluxgates, the signal OUTT of last road signal imitation temperature pick up, seven road signal output area (DC voltage) :-5V～+ 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101164210A CN101469610A (en) | 2007-12-29 | 2007-12-29 | Measurement while drilling exploring tube sensor signal simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101164210A CN101469610A (en) | 2007-12-29 | 2007-12-29 | Measurement while drilling exploring tube sensor signal simulator |
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| CN101469610A true CN101469610A (en) | 2009-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101164210A Pending CN101469610A (en) | 2007-12-29 | 2007-12-29 | Measurement while drilling exploring tube sensor signal simulator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373109A (en) * | 2014-11-03 | 2015-02-25 | 中国海洋石油总公司 | Simulation device for wireline logging ground auxiliary signals |
| CN106052740A (en) * | 2016-06-28 | 2016-10-26 | 贝兹维仪器(苏州)有限公司 | Petroleum logging instrument sensor calibration device |
| CN106052739A (en) * | 2016-06-28 | 2016-10-26 | 贝兹维仪器(苏州)有限公司 | Sensor calibration apparatus |
| CN106197514A (en) * | 2016-06-28 | 2016-12-07 | 贝兹维仪器(苏州)有限公司 | A kind of transducer calibration equipment |
| CN108534819A (en) * | 2018-06-04 | 2018-09-14 | 西安太世德航空电器有限公司 | A kind of constant current or constant pressure sensor analog system and method |
-
2007
- 2007-12-29 CN CNA2007101164210A patent/CN101469610A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373109A (en) * | 2014-11-03 | 2015-02-25 | 中国海洋石油总公司 | Simulation device for wireline logging ground auxiliary signals |
| CN104373109B (en) * | 2014-11-03 | 2017-10-20 | 中国海洋石油总公司 | A kind of analogue means of wireline logging ground auxiliary signal |
| CN106052740A (en) * | 2016-06-28 | 2016-10-26 | 贝兹维仪器(苏州)有限公司 | Petroleum logging instrument sensor calibration device |
| CN106052739A (en) * | 2016-06-28 | 2016-10-26 | 贝兹维仪器(苏州)有限公司 | Sensor calibration apparatus |
| CN106197514A (en) * | 2016-06-28 | 2016-12-07 | 贝兹维仪器(苏州)有限公司 | A kind of transducer calibration equipment |
| CN106052740B (en) * | 2016-06-28 | 2018-05-15 | 贝兹维仪器(苏州)有限公司 | Sensor calibration apparatus in a kind of oil well logging instrument |
| CN106052739B (en) * | 2016-06-28 | 2018-05-22 | 贝兹维仪器(苏州)有限公司 | A kind of sensor calibration apparatus |
| CN106197514B (en) * | 2016-06-28 | 2018-06-19 | 中国石油集团长城钻探工程有限公司 | A kind of transducer calibration equipment |
| CN108534819A (en) * | 2018-06-04 | 2018-09-14 | 西安太世德航空电器有限公司 | A kind of constant current or constant pressure sensor analog system and method |
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Application publication date: 20090701 |