Patent ID: 9638827
Date: 2017-05-02
CPC Classifications: G01V

Claim:
1. A bottom hole assembly used for a field operation, the bottom hole assembly comprising: at least one directional antenna disposed on an outer surface of a first tubing pipe of a tubing string, wherein the at least one directional antenna receives a first electric current from at least one power source, wherein the first electric current generates a first magnetic field that radiates from the at least one directional antenna into a formation during the field operation; and at least one receiver disposed on a second tubing pipe of the tubing string, wherein the at least one receiver receives the first magnetic field returning from the formation, wherein the at least one directional antenna comprises a plurality of directional antennas, wherein the plurality of directional antennas receive a plurality of electric currents, wherein the plurality of electric currents comprises the first electric current, wherein each electric current of the plurality of electric currents is adjustable independently of a remainder of the plurality of electric currents received by a remainder of the directional antennas, wherein the first electric current flowing through one directional antenna of the plurality of directional antennas has a higher amperage than an amperage of each of the remainder of the plurality of electric currents flowing through the remainder of the plurality of directional antennas.