OA04092A - Improvements to borehole logging equipment. - Google Patents

Improvements to borehole logging equipment.

Info

Publication number
OA04092A
OA04092A OA54580A OA54580A OA04092A OA 04092 A OA04092 A OA 04092A OA 54580 A OA54580 A OA 54580A OA 54580 A OA54580 A OA 54580A OA 04092 A OA04092 A OA 04092A
Authority
OA
OAPI
Prior art keywords
logging equipment
borehole logging
borehole
equipment
logging
Prior art date
Application number
OA54580A
Other languages
French (fr)
Original Assignee
Soc D Prospection Electr Schlu
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 FR7118636A external-priority patent/FR2138335B1/fr
Priority claimed from FR7118638A external-priority patent/FR2138337A1/en
Priority claimed from FR7118637A external-priority patent/FR2138336A1/en
Priority claimed from FR7139315A external-priority patent/FR2159557A5/fr
Application filed by Soc D Prospection Electr Schlu filed Critical Soc D Prospection Electr Schlu
Publication of OA04092A publication Critical patent/OA04092A/en

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
    • G01V1/52—Structural details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
    • G01V11/002—Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant
    • 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)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Acoustics & Sound (AREA)
OA54580A 1971-05-24 1972-05-24 Improvements to borehole logging equipment. OA04092A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR7118636A FR2138335B1 (en) 1971-05-24 1971-05-24
FR7118638A FR2138337A1 (en) 1971-05-24 1971-05-24 Acoustic borehole survey head - with separate send and receive transducers
FR7118637A FR2138336A1 (en) 1971-05-24 1971-05-24 Borehole survey head - with acoustic transmitters mounted on mechanical low pass filter body
FR7139315A FR2159557A5 (en) 1971-11-03 1971-11-03

Publications (1)

Publication Number Publication Date
OA04092A true OA04092A (en) 1979-10-30

Family

ID=27446106

Family Applications (1)

Application Number Title Priority Date Filing Date
OA54580A OA04092A (en) 1971-05-24 1972-05-24 Improvements to borehole logging equipment.

Country Status (1)

Country Link
OA (1) OA04092A (en)

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