This disclosure relates to a downhole logging tool for acquir ing data in an earth formation.
In one embodiment, the down hole logging tool has a tool body with alongitudinal axis, a set …

2. Background Art Wettability is the tendency of a fluid to spread on and preferentially
adhere to or “wet a solid surface in the presence of other immiscible fluids. Knowledge of the …

The present disclosure relates to a method to determine a formation property of a subsurface
formation. A downhole logging tool having two or more antennas, at least two of the …

An expert system is included in a downhole processor designed to acquire and process
NMR data downhole in real time. The downhole processor controls the acquisition of the …

This invention is related to methods for acquiring and processing nuclear magnetic
resonance (NMR) measure ments for determination of longitudinal and transverse relax …

A method, system, and apparatus are described for locating, installing, inventorying,
actuating, and/or accessing down-hole equipment in a wellbore. This comprises tagging a …

In some aspects, a downhole nuclear magnetic resonance (NMR) tool includes a magnet
assembly and an antenna assembly. The NMR tool can operate in a wellbore in a …

The present invention relates to a downhole logging tool having on its tool body a set of co-
located antennas, one or more additional antennas spaced longitudinally apart from the set …

A method to obtain gain-corrected measurements. A measurement tool having one or more
arrays is provided, wherein the arrays include two co-located triaxial transmitters and two co …

In some aspects, a downhole nuclear magnetic resonance (NMR) tool includes a magnet
assembly and an antenna assembly. The NMR tool can operate in a wellbore in a …