DE3864421D1 - Geraet, das insbesondere die anwendung eines kleinradiusbohr lochgeraets in grossradiusbohrloechern, erlaubt. - Google Patents

Geraet, das insbesondere die anwendung eines kleinradiusbohr lochgeraets in grossradiusbohrloechern, erlaubt.

Info

Publication number
DE3864421D1
DE3864421D1 DE8888400433T DE3864421T DE3864421D1 DE 3864421 D1 DE3864421 D1 DE 3864421D1 DE 8888400433 T DE8888400433 T DE 8888400433T DE 3864421 T DE3864421 T DE 3864421T DE 3864421 D1 DE3864421 D1 DE 3864421D1
Authority
DE
Germany
Prior art keywords
radius drill
application
particular allowing
drill hole
small radius
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 - Fee Related
Application number
DE8888400433T
Other languages
English (en)
Inventor
Christian Wittrisch
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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/fr
Application filed by IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Application granted granted Critical
Publication of DE3864421D1 publication Critical patent/DE3864421D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/20Electric 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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE8888400433T 1987-02-27 1988-02-25 Geraet, das insbesondere die anwendung eines kleinradiusbohr lochgeraets in grossradiusbohrloechern, erlaubt. Expired - Fee Related DE3864421D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8702757A FR2611918B1 (fr) 1987-02-27 1987-02-27 Methode et dispositif permettant d'utiliser une sonde de diagraphie de faible diametre dans des puits de grands diametres
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 (1)

Publication Number Publication Date
DE3864421D1 true DE3864421D1 (de) 1991-10-02

Family

ID=26225815

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888400433T Expired - Fee Related DE3864421D1 (de) 1987-02-27 1988-02-25 Geraet, das insbesondere die anwendung eines kleinradiusbohr lochgeraets in grossradiusbohrloechern, erlaubt.

Country Status (4)

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

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 (fr) * 1953-07-01 1955-10-27 Schlumberger Well Surv Corp Support d'électrodes pour carottage électrique des formations traversées par un sondage
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 (fr) * 1980-05-16 1981-11-26 R Treyvaud Procede et dispositif de prospection d'un puit pendant le forage

Also Published As

Publication number Publication date
CA1326223C (fr) 1994-01-18
EP0281469A2 (de) 1988-09-07
NO172143B (no) 1993-03-01
EP0281469A3 (en) 1988-12-21
EP0281469B1 (de) 1991-08-28
NO880830D0 (no) 1988-02-25
NO880830L (no) 1988-08-29
NO172143C (no) 1993-06-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee