NO172143C - DEVICE FOR USING A LOG SOUND WITH RELATIVELY SMALL DIAMETERS - Google Patents

DEVICE FOR USING A LOG SOUND WITH RELATIVELY SMALL DIAMETERS

Info

Publication number
NO172143C
NO172143C NO880830A NO880830A NO172143C NO 172143 C NO172143 C NO 172143C NO 880830 A NO880830 A NO 880830A NO 880830 A NO880830 A NO 880830A NO 172143 C NO172143 C NO 172143C
Authority
NO
Norway
Prior art keywords
relatively small
small diameters
log
sound
log sound
Prior art date
Application number
NO880830A
Other languages
Norwegian (no)
Other versions
NO880830D0 (en
NO880830L (en
NO172143B (en
Inventor
Christian Wittrisch
Original Assignee
Inst Francais Du Petrole
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 FR8702757A external-priority patent/FR2611918B1/en
Application filed by Inst Francais Du Petrole filed Critical Inst Francais Du Petrole
Publication of NO880830D0 publication Critical patent/NO880830D0/en
Publication of NO880830L publication Critical patent/NO880830L/en
Publication of NO172143B publication Critical patent/NO172143B/en
Publication of NO172143C publication Critical patent/NO172143C/en

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
NO880830A 1987-02-27 1988-02-25 DEVICE FOR USING A LOG SOUND WITH RELATIVELY SMALL DIAMETERS NO172143C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8702757A FR2611918B1 (en) 1987-02-27 1987-02-27 METHOD AND DEVICE FOR USING A LOW DIAMETER PROBE IN LARGE DIAMETER WELLS
US07/069,174 US4929915A (en) 1987-02-27 1987-07-02 Protective device for enlarging the effective diameter of a probe in large diameter wells

Publications (4)

Publication Number Publication Date
NO880830D0 NO880830D0 (en) 1988-02-25
NO880830L NO880830L (en) 1988-08-29
NO172143B NO172143B (en) 1993-03-01
NO172143C true NO172143C (en) 1993-06-09

Family

ID=26225815

Family Applications (1)

Application Number Title Priority Date Filing Date
NO880830A NO172143C (en) 1987-02-27 1988-02-25 DEVICE FOR USING A LOG SOUND WITH RELATIVELY SMALL DIAMETERS

Country Status (4)

Country Link
EP (1) EP0281469B1 (en)
CA (1) CA1326223C (en)
DE (1) DE3864421D1 (en)
NO (1) NO172143C (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE23621E (en) * 1953-02-24 Sleeve supported electrode fob
FR1102950A (en) * 1953-07-01 1955-10-27 Schlumberger Well Surv Corp Electrode support for electric coring of formations crossed by a borehole
US3293542A (en) * 1963-03-18 1966-12-20 Phillips Petroleum Co Electrical well logging apparatus including a drill collar having spaced electrodes mounted thereon for making resistivity measurements while drilling
US4236113A (en) * 1978-04-13 1980-11-25 Phillips Petroleum Company Electrical well logging tool, having an expandable sleeve, for determining if clay is present in an earth formation
WO1981003382A1 (en) * 1980-05-16 1981-11-26 R Treyvaud Method and device for prospecting a well during drilling

Also Published As

Publication number Publication date
EP0281469A3 (en) 1988-12-21
NO880830D0 (en) 1988-02-25
CA1326223C (en) 1994-01-18
NO880830L (en) 1988-08-29
EP0281469B1 (en) 1991-08-28
DE3864421D1 (en) 1991-10-02
NO172143B (en) 1993-03-01
EP0281469A2 (en) 1988-09-07

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