E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 49/00 (2006.01) E21B 47/00 (2006.01) G01V 3/08 (2006.01) G01V 3/26 (2006.01) G01V 3/30 (2006.01)
Patent
CA 2411566
Method and system for subsurface logging utilizing a modified metallic tubular having an elongated body with tubular walls and a central bore adapted to receive a support member. The tubular including slotted stations to provide through-tubular signal transmission and/or reception. Pressure barrier means provide hydraulic isolation at the slotted stations. The support member is equipped with various sources and sensors, including an antenna adapted to generate a magnetic dipole moment with a transverse or controllable orientation, and adapted for engagement within the tubular. The apparatus is suitable for LWT, LWD, and TLC logging operations.
Frey Mark T.
Omeragic Dzevat
Tabanou Jacques R.
Schlumberger Canada Limited
Smart & Biggar
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