Baker Hughes Oilfield Operations LLC

Andre' Porter

Peng Yuan

Toyli Anniyev

A detector to determine flaws in cement and casing associated with a formation using a visual representation of gamma rays received simultaneously through at least two windows that are of different sizes and that are diametrically opposite to each other in a rotating shield including a single scintillating crystal, where the visual representation is to indicate the flaws and includes a background with at least part of a contrast that is suppressed based in part on a gamma contrast range obtained from at least first gamma counts from gamma rays received at a first degree of alignment of the two windows with respect to an azimuth that is associated with the formation and second gamma counts from the gamma rays received at a second degree of alignment of the two windows that is offset from the first degree of alignment.

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Houston, TX, United States of America

Andre' Porter