CN111878057A - Azimuth electromagnetic wave resistivity imaging logging instrument azimuth detection performance calibration device - Google Patents
Azimuth electromagnetic wave resistivity imaging logging instrument azimuth detection performance calibration device Download PDFInfo
- Publication number
- CN111878057A CN111878057A CN202010663408.2A CN202010663408A CN111878057A CN 111878057 A CN111878057 A CN 111878057A CN 202010663408 A CN202010663408 A CN 202010663408A CN 111878057 A CN111878057 A CN 111878057A
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- Prior art keywords
- azimuth
- calibration device
- electromagnetic wave
- detection performance
- wave resistivity
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000003384 imaging method Methods 0.000 title claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Abstract
The invention discloses an azimuth detection performance calibration device of an azimuth electromagnetic wave resistivity imaging logging instrument, which comprises a calibration device substrate, wherein a plurality of non-coaxial conducting rings and a plurality of coaxial conducting rings are arranged on the calibration device substrate, and resistors are connected in series in the non-coaxial conducting rings and the coaxial conducting rings.
Description
Technical Field
The invention relates to an azimuth detection performance calibration device, in particular to an azimuth detection performance calibration device of an azimuth electromagnetic wave resistivity imaging logging instrument.
Background
With the gradual turning of petroleum exploration to the development of thin layers and complex stratums, a large number of highly deviated well and horizontal well construction technologies are adopted to drill wells on site, and the attack and application of a formation evaluation while drilling imaging logging technology are urgently needed to be developed so as to realize accurate geological guiding and fine stratum evaluation on the complex reservoirs.
At present, a brine barrel is commonly adopted for an electromagnetic wave resistivity instrument or seawater is utilized in the sea for detecting performance calibration, the resistivity value is difficult to adjust and the cost is huge, only a uniform stratum can be simulated, anisotropic stratum resistivity cannot be simulated, and the resistivity detection performance of azimuth electromagnetic wave resistivity in the anisotropic stratum cannot be calibrated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a calibration device for the azimuth detection performance of an azimuth electromagnetic wave resistivity imaging logging instrument, which can solve the difficult problem of calibration of the azimuth resistivity and the conventional resistivity detection performance of the azimuth electromagnetic wave resistivity imaging logging instrument.
In order to achieve the above purpose, the calibration device for the azimuth detection performance of the azimuth electromagnetic wave resistivity imaging logging instrument comprises a calibration device substrate, wherein a plurality of non-coaxial conducting rings and a plurality of coaxial conducting rings are arranged on the calibration device substrate, and resistors are connected in series in the non-coaxial conducting rings and the coaxial conducting rings.
A slip type fixer is arranged on the base plate of the calibration device.
The base plate of the calibration device is of a disc-shaped structure.
The calibration device is provided with scales on the substrate.
The invention has the following beneficial effects:
when the azimuth electromagnetic wave resistivity imaging logging instrument azimuth detection performance calibration device is in specific operation, different-axis conducting rings on the calibration device are selected, the resistance value of a resistor is adjusted to simulate different azimuth stratum resistivity values, the scale on the calibration device is used for indicating the azimuth angle of a stratum interface, conducting rings with different axial distance are selected to simulate different distance stratum interfaces, the measurement result is recorded, and the azimuth electromagnetic wave resistivity detection performance of the instrument is judged; when the conventional electromagnetic wave resistivity detection performance of the instrument is calibrated, the coaxial conducting ring on the calibration device is selected, the resistance value of the resistor is adjusted to simulate the resistivity values of different strata, the measurement result is recorded, and the conventional electromagnetic wave resistivity detection performance of the instrument is judged.
Drawings
FIG. 1 is a schematic diagram of a structure of a non-coaxial conductive ring 2;
FIG. 2 is a schematic view of another structure of the non-coaxial conductive ring 2;
FIG. 3 is a schematic diagram of a coaxial conductive ring.
Wherein, 1 is a calibration device substrate, 2 is a non-coaxial conductive ring, 3 is a coaxial conductive ring, 4 is a resistor, 5 is a slip type fixer, and 6 is a scale.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 to 3, the calibration apparatus for azimuth probing performance of an azimuth electromagnetic wave resistivity imaging logger according to the present invention includes a calibration apparatus substrate 1, wherein the calibration apparatus substrate 1 is provided with a plurality of non-coaxial conductive rings 2 and a plurality of coaxial conductive rings 3, and resistors 4 are connected in series in the non-coaxial conductive rings 2 and the coaxial conductive rings 3; a slip type fixer 5 is arranged on the calibration device substrate 1; the calibration device substrate 1 is of a disc-shaped structure; the calibration device substrate 1 is provided with a scale 6.
When the detection performance of the azimuth electromagnetic wave resistance 4 rate of the instrument is calibrated, a calibration device is fixed on a measuring point of the instrument by using a slip type fixer 5, different-axis conducting rings 2 on the calibration device are selected, the resistance value of the resistance 4 is adjusted to simulate the resistance 4 rate value of strata in different azimuths, the azimuth angle of a stratum interface is indicated by using scales 6 on the calibration device, conducting rings with different axial distances are selected to simulate stratum interfaces in different distances, the measurement result is recorded, and the detection performance of the azimuth electromagnetic wave resistance 4 rate of the instrument is judged.
When the conventional electromagnetic wave resistance 4 rate detection performance of the instrument is calibrated, the calibration device is fixed on a measuring point of the instrument by using the slip type fixer 5, the coaxial conducting ring 3 on the calibration device is selected, the resistance value of the resistance 4 is adjusted to simulate the resistance 4 rate values of different strata, the measurement result is recorded, and the conventional electromagnetic wave resistance 4 rate detection performance of the instrument is judged.
Claims (4)
1. The device for calibrating the azimuth detection performance of the azimuth electromagnetic wave resistivity imaging logging instrument is characterized by comprising a calibrating device substrate (1), wherein a plurality of non-coaxial conducting rings (2) and a plurality of coaxial conducting rings (3) are arranged on the calibrating device substrate (1), and resistors (4) are connected in series in the non-coaxial conducting rings (2) and the coaxial conducting rings (3).
2. The azimuth electromagnetic wave resistivity imaging logger azimuth detection performance calibration device as claimed in claim 1, characterized in that a slip type holder (5) is provided on the calibration device substrate (1).
3. The azimuth electromagnetic wave resistivity imaging logger azimuth detection performance calibration device as claimed in claim 1, characterized in that the calibration device substrate (1) is a disc-shaped structure.
4. The azimuth electromagnetic wave resistivity imaging logging instrument azimuth detection performance calibration device according to claim 1, wherein the calibration device substrate (1) is provided with a scale (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010663408.2A CN111878057A (en) | 2020-07-10 | 2020-07-10 | Azimuth electromagnetic wave resistivity imaging logging instrument azimuth detection performance calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010663408.2A CN111878057A (en) | 2020-07-10 | 2020-07-10 | Azimuth electromagnetic wave resistivity imaging logging instrument azimuth detection performance calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111878057A true CN111878057A (en) | 2020-11-03 |
Family
ID=73150068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010663408.2A Pending CN111878057A (en) | 2020-07-10 | 2020-07-10 | Azimuth electromagnetic wave resistivity imaging logging instrument azimuth detection performance calibration device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111878057A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4786874A (en) * | 1986-08-20 | 1988-11-22 | Teleco Oilfield Services Inc. | Resistivity sensor for generating asymmetrical current field and method of using the same |
| US5293128A (en) * | 1992-07-02 | 1994-03-08 | Western Atlas International, Inc. | Method and apparatus for calibrating the output measurement of a logging tool as a function of earth formation parameters |
| CN101349151A (en) * | 2008-08-13 | 2009-01-21 | 中国海洋石油总公司 | Three-stage graduation apparatus of electromagnetic wave logger |
| CN102565875A (en) * | 2011-12-30 | 2012-07-11 | 中国石油天然气集团公司 | Method and device for checking scales of resistivity logging instrument |
| CN102606148A (en) * | 2012-03-22 | 2012-07-25 | 中国电子科技集团公司第二十二研究所 | Response testing device for electromagnetic wave resistivity logging-while-drilling tool |
| CN102928883A (en) * | 2012-11-07 | 2013-02-13 | 山东大学 | Vertical full-space transient electromagnetic tunnel model experimental device |
| CN110333538A (en) * | 2019-07-25 | 2019-10-15 | 成都理工大学 | A kind of indoor half aviation transient electromagnetic exploration technique physical analog test apparatus |
-
2020
- 2020-07-10 CN CN202010663408.2A patent/CN111878057A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4786874A (en) * | 1986-08-20 | 1988-11-22 | Teleco Oilfield Services Inc. | Resistivity sensor for generating asymmetrical current field and method of using the same |
| US5293128A (en) * | 1992-07-02 | 1994-03-08 | Western Atlas International, Inc. | Method and apparatus for calibrating the output measurement of a logging tool as a function of earth formation parameters |
| CN101349151A (en) * | 2008-08-13 | 2009-01-21 | 中国海洋石油总公司 | Three-stage graduation apparatus of electromagnetic wave logger |
| CN102565875A (en) * | 2011-12-30 | 2012-07-11 | 中国石油天然气集团公司 | Method and device for checking scales of resistivity logging instrument |
| CN102606148A (en) * | 2012-03-22 | 2012-07-25 | 中国电子科技集团公司第二十二研究所 | Response testing device for electromagnetic wave resistivity logging-while-drilling tool |
| CN102928883A (en) * | 2012-11-07 | 2013-02-13 | 山东大学 | Vertical full-space transient electromagnetic tunnel model experimental device |
| CN110333538A (en) * | 2019-07-25 | 2019-10-15 | 成都理工大学 | A kind of indoor half aviation transient electromagnetic exploration technique physical analog test apparatus |
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Application publication date: 20201103 |