公开(公告)号：US10693237B2

公开(公告)日：2020-06-23

申请号：US15484751

申请日：2017-04-11

Applicant: Chevron U.S.A. Inc.

Inventor： Michal Mieczyslaw Okoniewski ,  Damir Pasalic ,  Gunther Hans Dieckmann ,  James Thomas Dunlavey

IPC: H01Q9/28 ,  H01Q9/22 ,  H01Q1/04 ,  H01P11/00

Abstract: A method of making a subsurface antenna which has an assymetric radiation pattern. The assymetric radiation pattern radiates electromagnetic waves unequally into two regions.

公开(公告)号：US20170222297A1

公开(公告)日：2017-08-03

申请号：US15484751

申请日：2017-04-11

Applicant: Chevron U.S.A. Inc.

Inventor： Michal Mieczyslaw Okoniewski ,  Damir Pasalic ,  Gunther Hans Dieckmann ,  James Thomas Dunlavey

IPC: H01Q1/04 ,  H01P11/00 ,  H01Q9/28

Abstract: A subsurface antenna is designed for use below the surface of the Earth. In some configurations the antenna is a dipole antenna, which can be used for radio frequency heating of an oil-bearing formation.