EG13640A - Method and apparatus for measuring the resistivity of fluids in a borehole - Google Patents
Method and apparatus for measuring the resistivity of fluids in a boreholeInfo
- Publication number
- EG13640A EG13640A EG777/79A EG77779A EG13640A EG 13640 A EG13640 A EG 13640A EG 777/79 A EG777/79 A EG 777/79A EG 77779 A EG77779 A EG 77779A EG 13640 A EG13640 A EG 13640A
- Authority
- EG
- Egypt
- Prior art keywords
- borehole
- fluids
- electrodes
- resistivity
- pair
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title abstract 5
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/22—Measuring resistance of fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/005—Testing the nature of borehole walls or the formation by using drilling mud or cutting data
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
- G01V3/20—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Fluid Mechanics (AREA)
- Remote Sensing (AREA)
- Geochemistry & Mineralogy (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Geophysics And Detection Of Objects (AREA)
- Soft Magnetic Materials (AREA)
Abstract
1. Method for measuring the resistivity of fluids in a borehole by means of a sonde body adapted to be moved in the borehole and having a first pair of annular electrodes (34, 37) which are supported on its lateral surface on each side of a second pair of annular electrodes (35, 36), comprising the steps of passing an electrical current (i) around said sonde body through the fluids in the borehole between the electrodes of one of said pairs, and detecting a potential difference (u) through the fluids of the borehole between the electrodes of the other one of said pairs, characterized by maintaining said electrodes (34, 35, 36, 37) at a lateral distance (d) from the borehole wall which is at least equal to the longitudinal spacing (b) between the electrodes (34, 37) of said first pair to derive a signal representative of the resistivity of the borehole fluids whatever is the position of the body in the borehole.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7836415A FR2445532A1 (en) | 1978-12-27 | 1978-12-27 | METHOD AND DEVICE FOR MEASURING THE RESISTIVITY OF FLUIDS IN A BORING |
Publications (1)
Publication Number | Publication Date |
---|---|
EG13640A true EG13640A (en) | 1982-03-31 |
Family
ID=9216559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EG777/79A EG13640A (en) | 1978-12-27 | 1979-12-26 | Method and apparatus for measuring the resistivity of fluids in a borehole |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0013224B1 (en) |
JP (1) | JPS5590853A (en) |
AT (1) | ATE1760T1 (en) |
AU (1) | AU529599B2 (en) |
BR (1) | BR7908388A (en) |
CA (1) | CA1139369A (en) |
DE (1) | DE2963994D1 (en) |
EG (1) | EG13640A (en) |
ES (1) | ES8102360A1 (en) |
FR (1) | FR2445532A1 (en) |
MX (1) | MX147124A (en) |
MY (1) | MY8500056A (en) |
NO (1) | NO153782C (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4738812A (en) * | 1982-11-12 | 1988-04-19 | Teleco Oilfield Services Inc. | Method of forming an electrode structure |
SE8301264D0 (en) * | 1983-03-08 | 1983-03-08 | Guldstroem Lars | SET AND DEVICE TO INDICATE EXISTENCE OF LEADING MATERIALS IN A MEDIUM |
NL8700688A (en) * | 1987-03-24 | 1988-10-17 | Yokogawa Electrofact Bv | METHOD AND APPARATUS FOR MEASURING THE CONDUCTIVITY OF A LIQUID WITH CONTROL OF THE TRANSITION RESISTANCE BETWEEN AN ELECTRODE AND THE LIQUID. |
NO310894B1 (en) * | 1994-10-27 | 2001-09-10 | Schlumberger Technology Bv | Measurement of sludge resistivity in a borehole comprising a probe with a bottom electrode to transmit a current to and from the bottom electrode in a direction approximately parallel to the probe length axis |
US5926024A (en) * | 1995-01-04 | 1999-07-20 | Atlantic Richfield Company | System and method for measuring fluid properties by forming a coaxial transmission line in a cased well |
CA2146070C (en) * | 1995-03-15 | 2002-01-29 | Kees Jonckers | Improved reactor for the synthesis of urea |
FR2740170B1 (en) | 1995-10-20 | 1998-01-02 | Schlumberger Services Petrol | METHODS AND DEVICES FOR MEASURING THE RESISTIVITY OF SLUDGE IN A HYDROCARBON WELL |
JP3861193B2 (en) * | 2000-01-26 | 2006-12-20 | 株式会社鷺宮製作所 | Electrical conductivity sensor |
US6801039B2 (en) | 2002-05-09 | 2004-10-05 | Baker Hughes Incorporated | Apparatus and method for measuring mud resistivity using a defocused electrode system |
US7095233B1 (en) * | 2005-07-20 | 2006-08-22 | Schlumberger Technology Corporation | System, apparatus, and method of conducting borehole resistivity measurements |
EP2182392B1 (en) * | 2008-10-31 | 2015-07-29 | Services Pétroliers Schlumberger | A tool for imaging a downhole environment |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1056749B (en) * | 1955-09-27 | 1959-05-06 | Schlumberger Overseas | Device for determining the angle of incidence and azimuth of geological layers penetrated by a borehole |
US3115602A (en) * | 1960-02-01 | 1963-12-24 | Continental Oil Co | Continuous mud resistivity measuring device with electricity conductive current confining means |
US3134941A (en) * | 1961-05-19 | 1964-05-26 | Dresser Ind | Borehole diameter and lateral depth of fluid invasion indicator |
US3991623A (en) * | 1973-10-09 | 1976-11-16 | Westinghouse Electric Corporation | Marine instrument |
GB1472415A (en) * | 1973-10-09 | 1977-05-04 | Westinghouse Electric Corp | Sensor cell |
-
1978
- 1978-12-27 FR FR7836415A patent/FR2445532A1/en active Granted
-
1979
- 1979-12-11 ES ES486761A patent/ES8102360A1/en not_active Expired
- 1979-12-13 MX MX180487A patent/MX147124A/en unknown
- 1979-12-17 AU AU53907/79A patent/AU529599B2/en not_active Ceased
- 1979-12-19 EP EP79401036A patent/EP0013224B1/en not_active Expired
- 1979-12-19 DE DE7979401036T patent/DE2963994D1/en not_active Expired
- 1979-12-19 AT AT79401036T patent/ATE1760T1/en not_active IP Right Cessation
- 1979-12-20 NO NO794227A patent/NO153782C/en unknown
- 1979-12-20 BR BR7908388A patent/BR7908388A/en not_active IP Right Cessation
- 1979-12-26 JP JP16842079A patent/JPS5590853A/en active Granted
- 1979-12-26 EG EG777/79A patent/EG13640A/en active
- 1979-12-27 CA CA000342659A patent/CA1139369A/en not_active Expired
-
1985
- 1985-12-30 MY MY56/85A patent/MY8500056A/en unknown
Also Published As
Publication number | Publication date |
---|---|
MY8500056A (en) | 1985-12-31 |
CA1139369A (en) | 1983-01-11 |
ES486761A0 (en) | 1980-12-16 |
NO153782B (en) | 1986-02-10 |
ATE1760T1 (en) | 1982-11-15 |
FR2445532B1 (en) | 1983-01-07 |
NO153782C (en) | 1986-05-28 |
JPS6363856B2 (en) | 1988-12-08 |
EP0013224B1 (en) | 1982-11-03 |
DE2963994D1 (en) | 1982-12-09 |
EP0013224A1 (en) | 1980-07-09 |
JPS5590853A (en) | 1980-07-09 |
MX147124A (en) | 1982-10-11 |
BR7908388A (en) | 1980-09-23 |
AU5390779A (en) | 1980-07-03 |
FR2445532A1 (en) | 1980-07-25 |
ES8102360A1 (en) | 1980-12-16 |
AU529599B2 (en) | 1983-06-16 |
NO794227L (en) | 1980-06-30 |
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