Patent ID: 9482782
Filing Date: 2016-11-01
CPC Classification: E21B,G01V,H02J

Claim Text:
1. A system to measure properties in a geophysical formation, the system comprising: a wellbore lining positioned in a wellbore; a plurality of fixed radio frequency receivers spaced apart along the longitudinal extent of and connected to the wellbore lining to receive radio frequency transmissions at one or more preselected radio frequencies; a plurality of transmitter assemblies positioned external to the wellbore lining and at a plurality of substantially horizontally and vertically spaced apart locations within the geophysical formation, each of the plurality of transmitter assemblies including: a machine in communication with each of the plurality of fixed radio frequency receivers, the machine including a processor, a display in communication with the processor, and a non-transitory, computer-readable storage medium with an executable program stored therein, wherein the program instructs the processor to perform the following steps: