G - Physics – 01 – V
Patent
G - Physics
01
V
G01V 3/26 (2006.01)
Patent
CA 2679981
A method and apparatus for assessing the permeability of a subterranean formation (6) and the hydrocarbon and/or water content of the formation. The method includes emitting (12) an acoustic signal, such as a Stoneley wave into the formation and sending (20) an electro-magnetic pulse into the formation. An analysis of the response of the Stoneley wave in conjunction with an analysis of a measurement of the electrical potential within the wellbore (2) provides information pertinent to permeability and fluid composition.
Procédé et appareil permettant d'évaluer la perméabilité d'une formation souterraine (6) et la teneur en hydrocarbure et/ou en eau de la formation. Le procédé consiste à émettre (12) dans la formation un signal acoustique, telle une onde de Stoneley, puis à envoyer (20) une impulsion électromagnétique dans la formation. Une analyse de la réponse de l'onde de Stoneley en relation avec une analyse d'une mesure du potentiel électrique à l'intérieur du forage engendre (2) des informations pertinentes sur la perméabilité et la composition du fluide.
Dorovsky Vitaly
Dubinsky Vladimir
Tang Xiao Ming
Baker Hugues Incorporated
Sim & Mcburney
LandOfFree
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