E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/14 (2006.01) G01V 1/00 (2006.01) G01V 1/40 (2006.01) G01V 1/44 (2006.01)
Patent
CA 2477509
An acoustic logging apparatus comprises a bottomhole assembly (BHA) conveyed on a drilling tubular in a borehole within an earth formation. The BHA comprises a source array for emitting preselected acoustic signals into the earth formation. At least one receiver on the BHA receives a second acoustic signal produced by an interaction of the preselected acoustic signals with the formation.
Mathiszik Holger
Oppelt Joachim
Baker Hughes Incorporated
Sim & Mcburney
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