DOWNHOLE TRI-AXIAL INDUCTION ELECTROMAGNETIC TOOL

• Main Authors: MORRIS, Steven, A, FORGANG, Stanislav, W, HOOK, Jonathan, F, DUTTA, Sushant, M, REIDERMAN, Arcady
• Format: Patent
• Language: English; French; German
• Published: 08.02.2017
• Subjects: DETECTING MASSES OR OBJECTS; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; MEASURING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PHYSICS; TESTING

Apparatus and methods for estimating a value of a resistivity property of an earth formation intersected by a borehole. Apparatus may include a carrier conveyable in the borehole; a tri-axial induction antenna assembly along the carrier; and a magnetically transparent sleeve enclosing the antenna as...