New ResistivityLogging Tool Helps Resolve Problems of Anisotropy ShoulderBed Effects | SLB
Industry Article
Location
Mexico, North America
Publication
Journal of Petroleum Technology
Publication Date
7/31/2010
Products Used

New Resistivity-Logging Tool Helps Resolve Problems of Anisotropy, Shoulder-Bed Effects

 

A deepwater operator offshore west Africa needed to drill a successful sidetrack well using oil-based drilling fluid in a complex formation. Using the multiple-DOI features of the Schlumberger Rt Scanner triaxial-induction tool, coupled with near-wellbore measurements from a dual oil-base microresistivity-imaging tool, petrophysicists were able to compute the structural dip accurately. The advantage of multiple colocated triaxial measurements in the tool, and advanced borehole-signal management, provided a deep reading, a more realistic structural dip, and azimuth direction that enabled drilling of a successful sidetrack.

New Resistivity-Logging Tool Helps Resolve Problems of Anisotropy, Shoulder-Bed Effects
Products Used

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