FR2483511B1 - - Google Patents

Info

Publication number
FR2483511B1
FR2483511B1 FR8012069A FR8012069A FR2483511B1 FR 2483511 B1 FR2483511 B1 FR 2483511B1 FR 8012069 A FR8012069 A FR 8012069A FR 8012069 A FR8012069 A FR 8012069A FR 2483511 B1 FR2483511 B1 FR 2483511B1
Authority
FR
France
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
FR8012069A
Other languages
French (fr)
Other versions
FR2483511A1 (fr
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 to NL8003041A priority Critical patent/NL8003041A/nl
Application filed by Dresser Industries Inc filed Critical Dresser Industries Inc
Priority to FR8012069A priority patent/FR2483511A1/fr
Publication of FR2483511A1 publication Critical patent/FR2483511A1/fr
Application granted granted Critical
Publication of FR2483511B1 publication Critical patent/FR2483511B1/fr
Granted 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • Acoustics & Sound (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR8012069A 1980-05-27 1980-05-30 Appareil de detection d'impulsions de pression comportant une caracteristique de reduction du bruit Granted FR2483511A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL8003041A NL8003041A (nl) 1980-05-27 1980-05-27 Inrichting voor het waarnemen van drukstoten en het verminderen van ruis.
FR8012069A FR2483511A1 (fr) 1980-05-27 1980-05-30 Appareil de detection d'impulsions de pression comportant une caracteristique de reduction du bruit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8003041A NL8003041A (nl) 1980-05-27 1980-05-27 Inrichting voor het waarnemen van drukstoten en het verminderen van ruis.
FR8012069A FR2483511A1 (fr) 1980-05-27 1980-05-30 Appareil de detection d'impulsions de pression comportant une caracteristique de reduction du bruit

Publications (2)

Publication Number Publication Date
FR2483511A1 FR2483511A1 (fr) 1981-12-04
FR2483511B1 true FR2483511B1 (enExample) 1983-11-18

Family

ID=26221811

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8012069A Granted FR2483511A1 (fr) 1980-05-27 1980-05-30 Appareil de detection d'impulsions de pression comportant une caracteristique de reduction du bruit

Country Status (2)

Country Link
FR (1) FR2483511A1 (enExample)
NL (1) NL8003041A (enExample)

Also Published As

Publication number Publication date
NL8003041A (nl) 1982-01-04
FR2483511A1 (fr) 1981-12-04

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Legal Events

Date Code Title Description
ST Notification of lapse