G - Physics – 01 – V
Patent
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G01V 1/40 (2006.01) E21B 47/10 (2006.01) G01N 29/032 (2006.01)
Patent
CA 1147841
METHOD AND DEVICE FOR IN SITU DETECTION OF A MINERAL DEPOSIT FLUID WITHIN A BOREHOLE Abstract of the Disclosure The amplitude variation of an acoustic wave propagated within drilling mud mixed with a mineral- deposit fluid is measured and compared with the amplitude of a reference wave obtained from the drilling mud alone. The method and the device are primarily applied to the detection of an inflow of oil or gas during a well- drilling operation.
352508
Berge Christian
Bres Philippe
Sassus-Bourda Gerard
Societe Nationale Elf Aquitaine
Swabey Ogilvy Renault
LandOfFree
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