CN101349151B - Three-stage graduation apparatus of electromagnetic wave logger - Google Patents
Three-stage graduation apparatus of electromagnetic wave logger Download PDFInfo
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- CN101349151B CN101349151B CN2008101183038A CN200810118303A CN101349151B CN 101349151 B CN101349151 B CN 101349151B CN 2008101183038 A CN2008101183038 A CN 2008101183038A CN 200810118303 A CN200810118303 A CN 200810118303A CN 101349151 B CN101349151 B CN 101349151B
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- electromagnetic wave
- logger
- travel mechanism
- metal ring
- well logger
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Abstract
The invention discloses a three-level scale device for an electromagnetic wave well logger. The device comprises a scale ring and a travel mechanism. The scale ring which can move in the axial direction along the electromagnetic wave well logger through the travel mechanism comprises a metal ring sharing the same axis with a pole coil of the electromagnetic wave well logger. A capacitor is connected in series with the metal ring. According to the invention, the scale ring with certain impedance moves in the axial direction along the electromagnetic wave well logger to produce an electromagnetic field with continuously variable amplitudes and phases at a receiving coil of the logger for simulating a uniform dielectric with different conductivities, thereby realizing the scaling and testing of the high-frequency electromagnetic wave induction well logger. The device which can correctly establish the continuous nonlinear response relationship between the measured values by the logger and dielectric conductivities is particularly suitable for the scaling and testing of the high-frequency electromagnetic wave induction well logger.
Description
Technical field
The present invention relates to a kind of three-stage graduation apparatus that is used for the electromagnetic wave induction logger, relate in particular to a kind of three-stage graduation apparatus that is used for the frequency electromagnetic waves induction log tool.
Background technology
The electromagnetic wave induction logger all need be set up the scale security system, reflects the actual parameter of testee exactly to guarantee the apparatus measures value.The calibration system of electromagnetic wave induction logger comprises three types: 1, one-level scale (industry standard), 2, secondary calibration (laboratory and shop calibration), 3, three-stage graduation (in-situ calibration).
The three-stage graduation apparatus that present low-frequency electromagnetic wave induction log tool is adopted generally is to utilize round conductor series connection fixed value resistance to simulate infinitely great uniform dielectric; Instrument is carried out 2 linear scales, set up the linear response relationship of apparatus measures voltage and dielectric conductance rate.Because high and low frequency electromagnetic wave induction logging instrument measurement mechanism is different, so can not be used to the scale of frequency electromagnetic waves induction log tool.The frequency electromagnetic waves logging instrument does not have ready-made three-stage graduation apparatus to utilize at present, and its scale and verification can only be carried out at tun or the natural water body that manual work forms, and can't carry out continuous scale and test to instrument.
Summary of the invention
The technical problem that the present invention will solve provides a kind of three-stage graduation apparatus of electromagnetic wave logger, and this device can carry out on-the-spot high-precision scale to the frequency electromagnetic waves logging instrument.
In order to address the above problem, the three-stage graduation apparatus that the invention provides a kind of electromagnetic wave logger comprises: calibration loop and travel mechanism, and calibration loop moves axially along electromagnetic wave logger through travel mechanism; Said calibration loop comprises and the coaxial metal ring of said electromagnetic wave logger electrode coil, on this metal ring, is in series with electric capacity.
Preferably, said metal ring is processed by manganese-copper filament or copper conductor.
Preferably, said calibration loop is arranged in the said travel mechanism through flange.
Preferably, said travel mechanism is a screw shell, and said flange can axially rotate translation along said screw shell through the screw thread that is provided with on this screw shell.
The present invention moves axially along electromagnetic wave logger through making the calibration loop with a constant impedance; The electromagnetic field that produces continuous variable amplitude and phase place at the receiving coil place of instrument is simulated the uniform dielectric with different electric conductance, thereby realizes the scale and the test of frequency electromagnetic waves induction log tool.This device is simple, reliable, can accurately set up the continuous nonlinear response relation of apparatus measures value and dielectric conductance rate, is particularly suitable for the scale and the test of frequency electromagnetic waves induction log tool.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the relation that logging instrument response (phase difference) and calibration loop belong to the instrument axial coordinate.
The specific embodiment
As shown in Figure 1, the present invention includes calibration loop 2 and travel mechanism 3, calibration loop 2 is arranged in the travel mechanism 3 through flange 4, and calibration loop 2 moves axially along electromagnetic wave logger 1 through travel mechanism 3; Calibration loop 2 comprises the metal ring 21 coaxial with electromagnetic wave logger 1 electrode coil, on this metal ring 21, is in series with electric capacity 22.Metal ring 21 is processed by copper-manganese, also can be other metal, for example copper conductor.Travel mechanism 3 is a screw shell, and flange 4 can axially rotate translation along screw shell through the screw thread 31 that is provided with on this screw shell.
Primary structure of the present invention is a metal ring 21 coaxial with electrode coil, and this metal ring 21 is loops of a closure.On the metal ring of being processed by manganese-copper filament 21 resistance is arranged, metal ring 21 has self-induction, is in series with electric capacity 22 on the ring.Therefore, this closed-loop path can be regarded resistance R, capacitor C, inductance L series circuit together as.
Fig. 2 is that impedance is the calibration loop of R+jX=4.658+j8.646 (Ω) when on the frequency electromagnetic waves induction log tool, moving, the corresponding relation of instrument response (phase difference) and calibration loop place axial coordinate.Can find out, when calibration loop moves axially along instrument, can produce the instrument response of continuous variable, thereby realize the scale and the test of frequency electromagnetic waves induction log tool.
This technology is filled up the domestic technique blank.The three-stage graduation apparatus of the accurate simulation medium response of the ability of development is for the evaluation appts performance provides more science, means more easily.
In sum; More than being merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention, therefore; All any modifications of within spirit of the present invention and principle, being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. the three-stage graduation apparatus of an electromagnetic wave logger is characterized in that, comprising: calibration loop and travel mechanism, and calibration loop moves axially along electromagnetic wave logger through travel mechanism; Said calibration loop comprises and the coaxial metal ring of said electromagnetic wave logger electrode coil, on this metal ring, is in series with electric capacity;
Wherein, said metal ring is processed by copper-manganese; Said calibration loop is arranged in the said travel mechanism through flange; Said travel mechanism is a screw shell, and said flange can axially rotate translation along said screw shell through the screw thread that is provided with on this screw shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101183038A CN101349151B (en) | 2008-08-13 | 2008-08-13 | Three-stage graduation apparatus of electromagnetic wave logger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101183038A CN101349151B (en) | 2008-08-13 | 2008-08-13 | Three-stage graduation apparatus of electromagnetic wave logger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101349151A CN101349151A (en) | 2009-01-21 |
| CN101349151B true CN101349151B (en) | 2012-04-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101183038A Expired - Fee Related CN101349151B (en) | 2008-08-13 | 2008-08-13 | Three-stage graduation apparatus of electromagnetic wave logger |
Country Status (1)
| Country | Link |
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| CN (1) | CN101349151B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581214B (en) * | 2009-03-23 | 2012-07-11 | 西安石油大学 | Transient electromagnetic logging device in through-casing well |
| CN102619505A (en) * | 2012-04-25 | 2012-08-01 | 中国电子科技集团公司第二十二研究所 | Ground calibration device of instrument for electromagnetic resistivity logging while drilling |
| CN104564046B (en) * | 2014-12-31 | 2018-03-13 | 中国石油集团长城钻探工程有限公司 | A kind of stratum former-wound coil and the method with its measurement LWD precision |
| CN107035364B (en) * | 2016-02-04 | 2021-09-14 | 中石化石油工程技术服务有限公司 | Method for electromagnetic calibration between wells |
| CN107037491A (en) * | 2016-02-04 | 2017-08-11 | 中石化石油工程技术服务有限公司 | Electromagnetism receiving transducer between a kind of well |
| CN111878057A (en) * | 2020-07-10 | 2020-11-03 | 中国石油天然气集团有限公司 | Azimuth electromagnetic wave resistivity imaging logging instrument azimuth detection performance calibration device |
| CN112504077B (en) * | 2020-11-06 | 2022-08-02 | 中国海洋石油集团有限公司 | Scale device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5001675A (en) * | 1989-09-13 | 1991-03-19 | Teleco Oilfield Services Inc. | Phase and amplitude calibration system for electromagnetic propagation based earth formation evaluation instruments |
| DE10245425A1 (en) * | 2001-09-28 | 2003-04-30 | Rudolf Thierbach | Locating material discontinuities in environment, for geological and geotechnical prospecting, involves using electromagnetic reflection measurements with borehole probe containing emitter and receiver |
| CN1702297A (en) * | 2005-06-17 | 2005-11-30 | 中国石化集团胜利石油管理局测井公司 | Array induction logging instrument |
| CN200940483Y (en) * | 2006-05-23 | 2007-08-29 | 辽河石油勘探局 | Test and checking box for microball focus logging instrument |
| CN201037411Y (en) * | 2007-04-10 | 2008-03-19 | 中国海洋石油总公司 | Well logger scale device and system thereof |
| CN101235715A (en) * | 2007-02-02 | 2008-08-06 | 邓霞 | Logging method for recognizing hydrocarbon reservoir in air medium and instrument |
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2008
- 2008-08-13 CN CN2008101183038A patent/CN101349151B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5001675A (en) * | 1989-09-13 | 1991-03-19 | Teleco Oilfield Services Inc. | Phase and amplitude calibration system for electromagnetic propagation based earth formation evaluation instruments |
| DE10245425A1 (en) * | 2001-09-28 | 2003-04-30 | Rudolf Thierbach | Locating material discontinuities in environment, for geological and geotechnical prospecting, involves using electromagnetic reflection measurements with borehole probe containing emitter and receiver |
| CN1702297A (en) * | 2005-06-17 | 2005-11-30 | 中国石化集团胜利石油管理局测井公司 | Array induction logging instrument |
| CN200940483Y (en) * | 2006-05-23 | 2007-08-29 | 辽河石油勘探局 | Test and checking box for microball focus logging instrument |
| CN101235715A (en) * | 2007-02-02 | 2008-08-06 | 邓霞 | Logging method for recognizing hydrocarbon reservoir in air medium and instrument |
| CN201037411Y (en) * | 2007-04-10 | 2008-03-19 | 中国海洋石油总公司 | Well logger scale device and system thereof |
Non-Patent Citations (2)
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| 唐俊等.《阵列感应测井仪受偏置导电环的影响分析》.《测井技术》.2006,第30卷(第3期),第222-225页. * |
| 赵晶等.《增加感应仪50Ω·m刻度点检查仪器的线性》.《石油仪器》.2003,第17卷(第2期),第46-47页. * |
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|---|---|
| CN101349151A (en) | 2009-01-21 |
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Granted publication date: 20120418 Termination date: 20170813 |