Determination of the orientation of geological beds from...

Details Determination of the orientation of geological beds from... Determination of the orientation of geological beds from...

E - Fixed Constructions

21

B

E21B 47/00 (2006.01) E21B 47/026 (2006.01) G01V 1/50 (2006.01) E21B 41/00 (2006.01)

Patent

CA 2383379

A method is presented to determine the probable orientation of a geological bed near a drilling during drilling of a wellbore. The method requires the obtaining of all possible orientations of the geological bed penetrated by the wellbore, and all possible bedding orientations that are parallel to a fold axis or a local structural trend of the geological bed. These orientations are then compared to arrive at no more than two choices for the true orientation of the geological bed. Stereonet presentations of these orientations may be employed where superimposing the stereonet presentations provides at most two points of intersection representing the poles for no more than two choices of the true orientation of the geological bed.

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