CN102817608A - Array type electrode system for induced polarization potential logging instrument - Google Patents
Array type electrode system for induced polarization potential logging instrument Download PDFInfo
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- CN102817608A CN102817608A CN2012102941975A CN201210294197A CN102817608A CN 102817608 A CN102817608 A CN 102817608A CN 2012102941975 A CN2012102941975 A CN 2012102941975A CN 201210294197 A CN201210294197 A CN 201210294197A CN 102817608 A CN102817608 A CN 102817608A
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Abstract
The invention provides an array type electrode system for an induced polarization potential logging instrument, belonging to the field of a measuring tool in cooperation with a logging instrument. The array type electrode system comprises current electrodes, receiving electrodes and insulating rings. The 12 current electrodes at the upper part are sequentially arranged with one another at intervals; the 24 current electrodes at the middle part and the 24 receiving electrodes are alternately arranged with one another; and the 24 receiving electrodes at the lower part are isolated from one another by the insulating rings. The electrode system provided by the invention realizes a pre-polarization function, and meets the abundant polarization time of the stratum in the manner of power supply, power failure measurement, power supply, measurement, and the like. The continuous measurement can be realized, and the speed measurement upper limit 360m/h can be met. Due to the assembly of 36 measurement points, the overall process of the attenuation of the polarization potential can be realized, and an integrated polarization potential attenuation curve can be obtained.
Description
Technical field
A kind of induced polarization potential logging appearance array-type electrode that this invention belongs to the supporting survey tool of logger field is.
Background technology
Under rational measuring technique condition; The induced polarization log data cooperates other well-log informations that formation water resistivity and important parameters such as stratum cation exchange capacity (CEC) and rock pore structure can effectively be provided, for accurately identification oil-water-layer, evaluation oil saturation and Water Flooding Layer provide the technical Analysis foundation.Experiment and theoretical research show that the reservoir rock induced polarization needs the long period, and existing electrode system structure can not satisfy stratum induced polarization time and continuous measurement, are difficult to realize the measurement of polarization potential decay overall process.
Summary of the invention
The object of the invention is exactly the problem that exists to prior art, provides a kind of induced polarization potential logging appearance array-type electrode to be, reaches 36 measuring points combination realization polarization potential decay overall processes with this and measures, and can obtain complete polarization potential attenuation curve.
This induced polarization potential logging appearance array-type electrode system is on the basis of existing electrode system, and its quantity and layout at interval realize through adjusting, and its technical scheme is following:
Comprise current electrode, collecting electrode and dead ring.Wherein: 12 current electrodes in top are spaced successively; The centre is that 24 current electrodes and 24 collecting electrodes are alternately arranged; 24 collecting electrodes in bottom are all isolated through dead ring between all electrodes.
Such scheme further comprises: the long 88mm of each current electrode of top, the long 12mm of dead ring between electrode; The long 64mm of each current electrode of middle part, it is long that collecting electrode and interelectrode dead ring are 12mm; Each collecting electrode of bottom is long to be 12mm, and dead ring length is 88mm between electrode.Collecting electrode adopts silver electrode, and current electrode adopts corrosion resistant Hastelloy material.
Electrode system of the present invention is through power supply-outage measurement-power supply-measurement ... Mode has realized preparatory function of polarization, satisfies the abundant polarization time of stratum.Realize continuous measurement, satisfy the upper limit 360m/h that tests the speed.36 measuring point combinations realize the measurement of polarization potential decay overall process, can obtain complete polarization potential attenuation curve.
Description of drawings
Fig. 1 is a sketch map for induced polarization potential logging appearance array-type electrode.
The specific embodiment
In conjunction with accompanying drawing 1, elaborate as follows.
Fig. 1 is a sketch map for induced polarization potential logging appearance array-type electrode.Comprise 3,48 measurement electrode 1 of 36 current electrodes, dead ring 2 (also claiming the insulation short circuit).
Electrode system adopts array architecture, and top is that 12 current electrodes 3 constitute each current electrode 3 long 88mm, dead ring 2 long 12mm between electrode; The centre is 24 current electrodes 3 and 24 collecting electrode 1 cross arrangements, current electrode 3 long 64mm, and collecting electrode 1 is 12mm with interelectrode dead ring 2; The bottom is 24 collecting electrodes 1, and is long for 12mm, is the dead ring 2 of long 88mm between electrode.
Claims (3)
1. induced polarization potential logging appearance array-type electrode system comprises current electrode, collecting electrode and dead ring, and it is characterized in that: 12 current electrodes in top are spaced successively; The centre is that 24 current electrodes and 24 collecting electrodes are alternately arranged; 24 collecting electrodes in bottom are all isolated through dead ring between all electrodes.
2. induced polarization potential logging appearance array-type electrode according to claim 1 is, it is characterized in that: the long 88mm of each current electrode of top, the long 12mm of dead ring between electrode; The long 64mm of each current electrode of middle part, it is long that collecting electrode and interelectrode dead ring are 12mm; Each collecting electrode of bottom is long to be 12mm, and dead ring length is 88mm between electrode.
3. induced polarization potential logging appearance array-type electrode according to claim 1 is, it is characterized in that: collecting electrode adopts silver electrode, and current electrode adopts corrosion resistant Hastelloy material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102941975A CN102817608A (en) | 2012-08-18 | 2012-08-18 | Array type electrode system for induced polarization potential logging instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102941975A CN102817608A (en) | 2012-08-18 | 2012-08-18 | Array type electrode system for induced polarization potential logging instrument |
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| CN102817608A true CN102817608A (en) | 2012-12-12 |
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| CN2012102941975A Pending CN102817608A (en) | 2012-08-18 | 2012-08-18 | Array type electrode system for induced polarization potential logging instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912546A (en) * | 2014-03-11 | 2015-09-16 | 中国石油化工集团公司 | Induced polarization potential continuous well logging method |
| CN106089192A (en) * | 2016-06-14 | 2016-11-09 | 王伟男 | A kind of with boring induced polarization log instrument, system and method |
Citations (7)
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|---|---|---|---|---|
| US4658215A (en) * | 1983-06-20 | 1987-04-14 | Shell Oil Company | Method for induced polarization logging |
| GB2158244B (en) * | 1984-03-19 | 1987-10-07 | Shell Int Research | In-situ method for determing pore size distribution capillary pressure and permeability of a formation surrounding a bore hole |
| CN2603402Y (en) * | 2003-03-11 | 2004-02-11 | 中国石油天然气集团公司 | Focus type induced polarization and natural potnetial combined logging instrument |
| CN2680856Y (en) * | 2004-03-01 | 2005-02-23 | 辽河石油勘探局 | Bi-electrode induced polarization potential logging tool |
| CN101592029A (en) * | 2009-07-02 | 2009-12-02 | 大庆油田有限责任公司 | A kind of method for well logging with induced polarization spectrum |
| KR101082264B1 (en) * | 2011-04-01 | 2011-11-09 | 한국지질자원연구원 | A spectral induced polarization measurement system of samples |
| CN202745865U (en) * | 2012-08-18 | 2013-02-20 | 中国石油化工股份有限公司 | Array-type electrode system of induced polarization potential logging instrument |
-
2012
- 2012-08-18 CN CN2012102941975A patent/CN102817608A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4658215A (en) * | 1983-06-20 | 1987-04-14 | Shell Oil Company | Method for induced polarization logging |
| GB2158244B (en) * | 1984-03-19 | 1987-10-07 | Shell Int Research | In-situ method for determing pore size distribution capillary pressure and permeability of a formation surrounding a bore hole |
| CN2603402Y (en) * | 2003-03-11 | 2004-02-11 | 中国石油天然气集团公司 | Focus type induced polarization and natural potnetial combined logging instrument |
| CN2680856Y (en) * | 2004-03-01 | 2005-02-23 | 辽河石油勘探局 | Bi-electrode induced polarization potential logging tool |
| CN101592029A (en) * | 2009-07-02 | 2009-12-02 | 大庆油田有限责任公司 | A kind of method for well logging with induced polarization spectrum |
| KR101082264B1 (en) * | 2011-04-01 | 2011-11-09 | 한국지질자원연구원 | A spectral induced polarization measurement system of samples |
| CN202745865U (en) * | 2012-08-18 | 2013-02-20 | 中国石油化工股份有限公司 | Array-type electrode system of induced polarization potential logging instrument |
Non-Patent Citations (1)
| Title |
|---|
| 王伟男等: "激发极化电位衰减谱的连续测井方法", 《石油地球物理勘探》, vol. 45, 30 November 2010 (2010-11-30), pages 214 - 216 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912546A (en) * | 2014-03-11 | 2015-09-16 | 中国石油化工集团公司 | Induced polarization potential continuous well logging method |
| CN106089192A (en) * | 2016-06-14 | 2016-11-09 | 王伟男 | A kind of with boring induced polarization log instrument, system and method |
| CN106089192B (en) * | 2016-06-14 | 2019-04-05 | 王伟男 | One kind is with brill induced polarization log instrument, system and method |
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Application publication date: 20121212 |