E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 49/00 (2006.01) G01N 15/08 (2006.01) G01V 3/26 (2006.01)
Patent
CA 2142928
The method and the apparatus of the invention are characterized essentially by the fact that for a rock formation 100 that already contains fluid in its interstices, means 1 are provided for imparting motion to the fluid relative to the rock formation 100, and the magnetic fields created by the relative motion of the fluid in the rock formation is measured and the permeability of the rock formation is deduced from the measurement. The present invention is particularly applicable to in situ measurement of the permeability of rocks, e.g. down an oil well.
Martin Jean-Pierre
Pozzi Jean-Pierre
Compagnie Generale de Geophysique
Marks & Clerk
Pozzi Jean-Pierre
LandOfFree
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