GB1460186A - Method and apparatus for determining electromagnetic characteristics of earth formations - Google Patents

Method and apparatus for determining electromagnetic characteristics of earth formations

Info

Publication number
GB1460186A
GB1460186A GB3133474A GB3133474A GB1460186A GB 1460186 A GB1460186 A GB 1460186A GB 3133474 A GB3133474 A GB 3133474A GB 3133474 A GB3133474 A GB 3133474A GB 1460186 A GB1460186 A GB 1460186A
Authority
GB
United Kingdom
Prior art keywords
megahertz
signals
signal
output
earth
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
Application number
GB3133474A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texaco Development Corp
Original Assignee
Texaco Development Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US391899A external-priority patent/US3893020A/en
Priority claimed from US391898A external-priority patent/US3893021A/en
Priority claimed from US391900A external-priority patent/US3891916A/en
Application filed by Texaco Development Corp filed Critical Texaco Development Corp
Publication of GB1460186A publication Critical patent/GB1460186A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
    • G01V3/28—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device using induction coils
    • 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
    • G01V3/30—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electromagnetic waves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30—Assessment of water resources

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Geophysics (AREA)
  • Mining & Mineral Resources (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Inorganic Insulating Materials (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB3133474A 1973-08-27 1974-07-15 Method and apparatus for determining electromagnetic characteristics of earth formations Expired GB1460186A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US391899A US3893020A (en) 1973-08-27 1973-08-27 Dual radio frequency apparatus for determining electromagnetic characteristics of earth formations using constant flux field generators
US391898A US3893021A (en) 1973-08-27 1973-08-27 Dual radio frequency method for determining dielectric and conductivity properties of earth formations using normalized measurements
US391900A US3891916A (en) 1973-08-27 1973-08-27 Dual radio frequency measurement of dielectric constant and resistivity of borehole media

Publications (1)

Publication Number Publication Date
GB1460186A true GB1460186A (en) 1976-12-31

Family

ID=27409996

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3133474A Expired GB1460186A (en) 1973-08-27 1974-07-15 Method and apparatus for determining electromagnetic characteristics of earth formations

Country Status (9)

Country Link
AR (1) AR211513A1 (enExample)
AU (1) AU476441B2 (enExample)
BR (1) BR7407050D0 (enExample)
DE (1) DE2440676A1 (enExample)
DK (1) DK139447B (enExample)
FR (1) FR2242691B1 (enExample)
GB (1) GB1460186A (enExample)
NL (1) NL7410456A (enExample)
NO (1) NO142689C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104453868A (zh) * 2013-09-23 2015-03-25 中国石油集团长城钻探工程有限公司 感应测井仪器发射信号合成装置及其方法、感应测井方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012689A (en) * 1974-10-24 1977-03-15 Texaco Inc. Radio frequency resistivity and dielectric constant well logging utilizing phase shift measurement
US3982176A (en) * 1974-12-11 1976-09-21 Texaco Inc. Combination radio frequency dielectric and conventional induction logging system
AU524243B2 (en) * 1977-09-21 1982-09-09 Schlumberger Technology B.V. Determining properties of subsurface formations

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104453868A (zh) * 2013-09-23 2015-03-25 中国石油集团长城钻探工程有限公司 感应测井仪器发射信号合成装置及其方法、感应测井方法

Also Published As

Publication number Publication date
NO142689C (no) 1980-09-24
AU7155074A (en) 1976-01-29
FR2242691B1 (enExample) 1979-09-28
DK454174A (enExample) 1975-04-21
FR2242691A1 (enExample) 1975-03-28
AU476441B2 (en) 1976-09-23
DK139447B (da) 1979-02-19
AR211513A1 (es) 1978-01-30
NL7410456A (nl) 1975-03-03
NO142689B (no) 1980-06-16
DK139447C (enExample) 1979-08-27
BR7407050D0 (pt) 1975-06-24
DE2440676A1 (de) 1975-07-03
NO742893L (enExample) 1975-03-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19940714