FR1121292A - Appareil pour sondages - Google Patents

Appareil pour sondages

Info

Publication number
FR1121292A
FR1121292A FR1121292DA FR1121292A FR 1121292 A FR1121292 A FR 1121292A FR 1121292D A FR1121292D A FR 1121292DA FR 1121292 A FR1121292 A FR 1121292A
Authority
FR
France
Prior art keywords
polling device
polling
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
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.)
Schlumberger Well Surveying Corp
Original Assignee
Schlumberger Well Surveying 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
Application filed by Schlumberger Well Surveying Corp filed Critical Schlumberger Well Surveying Corp
Application granted granted Critical
Publication of FR1121292A publication Critical patent/FR1121292A/fr
Expired legal-status Critical Current

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
    • G01V3/26—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
    • G01V3/265—Operating with fields produced by spontaneous potentials, e.g. electrochemicals or produced by telluric currents
    • 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
    • E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Electromagnetism (AREA)
  • Electrochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
FR1121292D 1954-03-30 1955-03-23 Appareil pour sondages Expired FR1121292A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1121292XA 1954-03-30 1954-03-30

Publications (1)

Publication Number Publication Date
FR1121292A true FR1121292A (fr) 1956-07-31

Family

ID=22342254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1121292D Expired FR1121292A (fr) 1954-03-30 1955-03-23 Appareil pour sondages

Country Status (1)

Country Link
FR (1) FR1121292A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344860A (en) * 1965-05-17 1967-10-03 Schlumberger Well Surv Corp Sidewall sealing pad for borehole apparatus
FR2448621A1 (fr) * 1979-02-09 1980-09-05 Inst Francais Du Petrole Sonde a patin rotatif pour effectuer des mesures dans un forage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344860A (en) * 1965-05-17 1967-10-03 Schlumberger Well Surv Corp Sidewall sealing pad for borehole apparatus
FR2448621A1 (fr) * 1979-02-09 1980-09-05 Inst Francais Du Petrole Sonde a patin rotatif pour effectuer des mesures dans un forage

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