NO172520C - Fremgangsmaate og apparat for aa maale en elektrisk egenskapved en underjordisk formasjon - Google Patents
Fremgangsmaate og apparat for aa maale en elektrisk egenskapved en underjordisk formasjonInfo
- Publication number
- NO172520C NO172520C NO883646A NO883646A NO172520C NO 172520 C NO172520 C NO 172520C NO 883646 A NO883646 A NO 883646A NO 883646 A NO883646 A NO 883646A NO 172520 C NO172520 C NO 172520C
- Authority
- NO
- Norway
- Prior art keywords
- undergradual
- measurement
- measuring
- electric property
- property
- Prior art date
Links
Classifications
-
- 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)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Biological Depolymerization Polymers (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Organic Insulating Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/086,999 US4837518A (en) | 1987-08-18 | 1987-08-18 | Method and apparatus for measuring the electrical resistivity of geologic formations through metal drill pipe or casing |
Publications (4)
Publication Number | Publication Date |
---|---|
NO883646D0 NO883646D0 (no) | 1988-08-16 |
NO883646L NO883646L (no) | 1989-02-20 |
NO172520B NO172520B (no) | 1993-04-19 |
NO172520C true NO172520C (no) | 1993-07-28 |
Family
ID=22202231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO883646A NO172520C (no) | 1987-08-18 | 1988-08-16 | Fremgangsmaate og apparat for aa maale en elektrisk egenskapved en underjordisk formasjon |
Country Status (4)
Country | Link |
---|---|
US (1) | US4837518A (no) |
CA (1) | CA1278826C (no) |
GB (1) | GB2208717B (no) |
NO (1) | NO172520C (no) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5570024A (en) * | 1986-11-04 | 1996-10-29 | Paramagnetic Logging, Inc. | Determining resistivity of a formation adjacent to a borehole having casing using multiple electrodes and with resistances being defined between the electrodes |
US5187440A (en) * | 1986-11-04 | 1993-02-16 | Para Magnetic Logging, Inc. | Measuring resistivity changes from within a first cased well to monitor fluids injected into oil bearing geological formations from a second cased well while passing electrical current between the two cased wells |
US5043668A (en) * | 1987-08-26 | 1991-08-27 | Paramagnetic Logging Inc. | Methods and apparatus for measurement of electronic properties of geological formations through borehole casing |
US6987386B1 (en) | 1986-11-04 | 2006-01-17 | Western Atlas International, Inc. | Determining resistivity of a geological formation using circuitry located within a borehole casing |
US5075626A (en) * | 1986-11-04 | 1991-12-24 | Paramagnetic Logging, Inc. | Electronic measurement apparatus movable in a cased borehole and compensating for casing resistance differences |
US5633590A (en) * | 1986-11-04 | 1997-05-27 | Paramagnetic Logging, Inc. | Formation resistivity measurements from within a cased well used to quantitatively determine the amount of oil and gas present |
US6031381A (en) | 1986-11-04 | 2000-02-29 | Paramagnetic Logging, Inc. | Electrical voltages and resistances measured to inspect metallic cased wells and pipelines |
US5043669A (en) * | 1987-08-26 | 1991-08-27 | Para Magnetic Logging, Inc. | Methods and apparatus for measurement of the resistivity of geological formations from within cased wells in presence of acoustic and magnetic energy sources |
US5091725A (en) * | 1989-08-18 | 1992-02-25 | Atlantic Richfield Company | Well logging tool and system having a switched mode power amplifier |
US5038107A (en) * | 1989-12-21 | 1991-08-06 | Halliburton Logging Services, Inc. | Method and apparatus for making induction measurements through casing |
EP0575318B1 (en) * | 1991-03-14 | 1995-09-20 | Paramagnetic Logging, Inc. | An electronic measurement apparatus movable in a cased borehole and compensating for casing resistance differences |
FR2703471B1 (fr) * | 1993-03-31 | 1995-06-23 | Schlumberger Services Petrol | Procede et appareil pour determiner la resistivite de formation dans un puits tube. |
US5510712A (en) * | 1994-05-02 | 1996-04-23 | Schlumberger Technology Corporation | Method and apparatus for measuring formation resistivity in cased holes |
US5533572A (en) * | 1994-06-22 | 1996-07-09 | Atlantic Richfield Company | System and method for measuring corrosion in well tubing |
US6088655A (en) * | 1997-09-26 | 2000-07-11 | The Regents Of The University Of California | Electrical resistance tomography from measurements inside a steel cased borehole |
DE19827854A1 (de) * | 1998-06-23 | 2000-01-05 | Seba Mess Ortungstech | Segmentierte Meßsonde für Abwasserrohre |
FR2817623B1 (fr) * | 2000-12-04 | 2003-02-07 | Innov Pro | Dispositif permettant d'orienter des carottes de forage |
GB2379508B (en) | 2001-04-23 | 2005-06-08 | Computalog Usa Inc | Electrical measurement apparatus and method |
US6712139B1 (en) * | 2002-09-24 | 2004-03-30 | Saudi Arabian Oil Company | Method of well casing cathodic protection optimization using the drill stem data |
KR100517965B1 (ko) * | 2003-08-09 | 2005-09-30 | 엘지전자 주식회사 | 플라즈마 디스플레이 패널 |
US7189319B2 (en) * | 2004-02-18 | 2007-03-13 | Saudi Arabian Oil Company | Axial current meter for in-situ continuous monitoring of corrosion and cathodic protection current |
US6975121B2 (en) * | 2004-03-22 | 2005-12-13 | Kjt Enterprises, Inc. | System for measuring earth formation resistivity through and electrically conductive wellbore casing |
US7388382B2 (en) * | 2004-06-01 | 2008-06-17 | Kjt Enterprises, Inc. | System for measuring Earth formation resistivity through an electrically conductive wellbore casing |
US7202671B2 (en) * | 2004-08-05 | 2007-04-10 | Kjt Enterprises, Inc. | Method and apparatus for measuring formation conductivities from within cased wellbores by combined measurement of casing current leakage and electromagnetic response |
DE102004053021A1 (de) * | 2004-11-03 | 2006-05-04 | Nexans | Verfahren zur Ermittlung der Wanddicke eines Metallrohres |
EP1780558B1 (en) | 2005-10-31 | 2008-08-06 | KJT Enterprises, Inc. | System for measuring earth formation resistivity through an electrically conductive wellbore casing |
US8400158B2 (en) | 2010-10-29 | 2013-03-19 | Baker Hughes Incorporated | Imaging in oil-based mud by synchronizing phases of currents injected into a formation |
RU2453872C1 (ru) * | 2011-01-17 | 2012-06-20 | Владимир Сергеевич Могилатов | Способ геоэлектроразведки и устройство для его осуществления |
US8965702B2 (en) * | 2011-03-31 | 2015-02-24 | Baker Hughes Incorporated | Formation resistivity measurements using multiple controlled modes |
US8965704B2 (en) | 2011-03-31 | 2015-02-24 | Baker Hughes Incorporated | Apparatus and method for formation resistivity measurements in oil-based mud using a floating reference signal |
US9223047B2 (en) | 2011-03-31 | 2015-12-29 | Baker Hughes Incorporated | Formation resistivity measurements using phase controlled currents |
GB2535236A (en) * | 2015-02-16 | 2016-08-17 | Ge Oil & Gas Uk Ltd | Retrofit power switching and repeating module |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2400593A (en) * | 1937-05-07 | 1946-05-21 | Well Surveys Inc | Method of and apparatus for investigation of cased drill holes |
US2371658A (en) * | 1941-03-27 | 1945-03-20 | Sun Oil Co | Method and apparatus for determining current flow in borehole casing or the like |
US2587518A (en) * | 1949-01-21 | 1952-02-26 | Sun Oil Co | Electrical logging method and apparatus |
US2891215A (en) * | 1956-11-13 | 1959-06-16 | Electro Chemical Lab Corp | Method and apparatus for electric well logging |
US3424981A (en) * | 1964-11-12 | 1969-01-28 | Keithley Instruments | Low level d.c. voltage apparatus employing a balanced modulator and filter means to remove spurious signals |
US3488574A (en) * | 1966-11-01 | 1970-01-06 | Schlumberger Technology Corp | Borehole investigating methods and apparatus including the detection of a cased borehole from another nearby borehole |
US3459196A (en) * | 1967-09-29 | 1969-08-05 | Ludwig K Kunz | Smoking pipe |
US3568053A (en) * | 1968-10-15 | 1971-03-02 | Sinclair Oil Corp | Apparatus for establishing electrical contact with the casing in a wellbore |
FR2400208A1 (fr) * | 1977-08-11 | 1979-03-09 | Thebault Raymond | Appareil de mesure de resistance en fonction de la frequence et de l'amplitude du courant |
US4178544A (en) * | 1978-02-24 | 1979-12-11 | Teradyne, Inc. | Electrical measurement circuitry for low level AC signals |
FR2492535A1 (fr) * | 1980-10-17 | 1982-04-23 | Onera (Off Nat Aerospatiale) | Resistivimetre de surface |
US4628256A (en) * | 1983-06-27 | 1986-12-09 | Weinschel Engineering Co., Inc. | Thermocouple power meter |
US4686477A (en) * | 1985-09-30 | 1987-08-11 | Mobil Oil Corporation | Multiple frequency electric excitation method and identifying complex lithologies of subsurface formations |
-
1987
- 1987-08-18 US US07/086,999 patent/US4837518A/en not_active Expired - Lifetime
-
1988
- 1988-08-02 CA CA000573595A patent/CA1278826C/en not_active Expired - Lifetime
- 1988-08-09 GB GB8818902A patent/GB2208717B/en not_active Expired - Fee Related
- 1988-08-16 NO NO883646A patent/NO172520C/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO172520B (no) | 1993-04-19 |
NO883646L (no) | 1989-02-20 |
CA1278826C (en) | 1991-01-08 |
NO883646D0 (no) | 1988-08-16 |
GB8818902D0 (en) | 1988-09-14 |
GB2208717A (en) | 1989-04-12 |
US4837518A (en) | 1989-06-06 |
GB2208717B (en) | 1992-01-02 |
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