GB1520295A - Well logging methods and apparatus - Google Patents
Well logging methods and apparatusInfo
- Publication number
- GB1520295A GB1520295A GB30522/75A GB3052275A GB1520295A GB 1520295 A GB1520295 A GB 1520295A GB 30522/75 A GB30522/75 A GB 30522/75A GB 3052275 A GB3052275 A GB 3052275A GB 1520295 A GB1520295 A GB 1520295A
- Authority
- GB
- United Kingdom
- Prior art keywords
- borehole
- main
- current
- circuit
- auxiliary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000015572 biosynthetic process Effects 0.000 abstract 8
- 238000005755 formation reaction Methods 0.000 abstract 8
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
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
- G01V3/24—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 using ac
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)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/490,377 US4087739A (en) | 1974-07-22 | 1974-07-22 | Earth formation permeability determining technique using synthetic resistivity parameters |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1520295A true GB1520295A (en) | 1978-08-02 |
Family
ID=23947783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB30522/75A Expired GB1520295A (en) | 1974-07-22 | 1975-07-22 | Well logging methods and apparatus |
Country Status (10)
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2130378A (en) * | 1982-11-12 | 1984-05-31 | Teleco Oilfield Services Inc | Borehole resistivity measurement |
GB2146125A (en) * | 1983-06-20 | 1985-04-11 | Shell Int Research | Apparatus for focused electrode induced polarization logging |
US10927659B2 (en) | 2015-12-11 | 2021-02-23 | Halliburton Energy Services, Inc. | Mud cake correction of formation measurement data |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4697150A (en) * | 1985-10-11 | 1987-09-29 | Western Atlas International, Inc. | Two electrode well logging system for measuring resistivity of subsurface formations |
US5892163A (en) * | 1998-01-27 | 1999-04-06 | Geophysical Survey Systems, Inc. | Sewer and pipeline inspection transporter tool |
US8106659B2 (en) * | 2008-07-25 | 2012-01-31 | Precision Energy Services, Inc. | In situ measurements in formation testing to determine true formation resistivity |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3075142A (en) * | 1960-02-26 | 1963-01-22 | Continental Oil Co | Electrical well logging device |
US3579098A (en) * | 1968-10-24 | 1971-05-18 | Dresser Ind | Method and combination well-logging apparatus for conducting both deep and shallow investigation of the formations surrounding a borehole |
US3660755A (en) * | 1969-11-07 | 1972-05-02 | Dresser Ind | Dual focused log having alternately energized focusing apparatus therein |
US3882376A (en) * | 1972-04-24 | 1975-05-06 | Schlumberger Technology Corp | Methods and apparatus for investigating earth formations |
US3760260A (en) * | 1972-04-24 | 1973-09-18 | Schlumberger Technology Corp | Method and apparatus for investigating earth formations by emitting survey and auxiliary currents from the same electrode |
-
1974
- 1974-07-22 US US05/490,377 patent/US4087739A/en not_active Expired - Lifetime
-
1975
- 1975-07-14 IN IN1363/CAL/75A patent/IN145453B/en unknown
- 1975-07-16 AU AU83094/75A patent/AU503360B2/en not_active Expired
- 1975-07-17 AR AR259633A patent/AR208705A1/es active
- 1975-07-18 BR BR7504613*A patent/BR7504613A/pt unknown
- 1975-07-18 IT IT25560/75A patent/IT1039943B/it active
- 1975-07-19 EG EG428/75A patent/EG12073A/xx active
- 1975-07-21 CA CA231,925A patent/CA1051518A/en not_active Expired
- 1975-07-22 FR FR7522776A patent/FR2280090A1/fr active Granted
- 1975-07-22 GB GB30522/75A patent/GB1520295A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2130378A (en) * | 1982-11-12 | 1984-05-31 | Teleco Oilfield Services Inc | Borehole resistivity measurement |
GB2146125A (en) * | 1983-06-20 | 1985-04-11 | Shell Int Research | Apparatus for focused electrode induced polarization logging |
US10927659B2 (en) | 2015-12-11 | 2021-02-23 | Halliburton Energy Services, Inc. | Mud cake correction of formation measurement data |
Also Published As
Publication number | Publication date |
---|---|
CA1051518A (en) | 1979-03-27 |
IN145453B (US08080257-20111220-C00005.png) | 1978-10-14 |
AU8309475A (en) | 1977-01-20 |
EG12073A (en) | 1978-06-30 |
AR208705A1 (es) | 1977-02-28 |
IT1039943B (it) | 1979-12-10 |
FR2280090B1 (US08080257-20111220-C00005.png) | 1977-12-09 |
AU503360B2 (en) | 1979-08-30 |
US4087739A (en) | 1978-05-02 |
FR2280090A1 (fr) | 1976-02-20 |
BR7504613A (pt) | 1976-07-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |