Background subtraction system for pulsed neutron logging of...

Background subtraction system for pulsed neutron logging of...

Balanced field metal detector

Balancing circuit for a metal detector

Bandwidth enhancing seismic acquisition system and method

Baseplate assembly for seismic wave generator

Battery conservation for downhole telemetry

Bayesian sequential indicator simulation of lithology from...

Bed boundary detection and invasion profiling with...

Bedrock exploration system using transient electromagnetic...

Behind casing fluid flow detection in producing wells using...

Behind casing water flow

Behind casing water flow detection using continuous oxygen...

Behind casing water flow detection using pulsed neutron...

Behind casing water volume flow rate measurement using gamma...

Behind casing water volume flow rate measurement using...

Behind well casing water flow detection system

Bi-directional impulse shear wave generator and method of use

Bit based formation evaluation and drill bit and drill...

Blast recorder and method of displaying blast energy