An in-situ method of extracting oil from hydrocarbon bearing layers using radiofrequency excitation.

William A. Edelstein, Harold J. Vinegar, Chia-Fu Hsu, Otward M. Mueller

View on Google Patents

Patent Number: US 5236039 A

Filing Date: 1992-06-17

Publication Date: 1993-08-17

Status: Expired – Lifetime

Current Assignee: General Electric Co, Shell USA Inc

Applicants: General Electric Co.

IPC/CPC Classifications: E21B36/04;;E21B43/24;;E21B43

Patent Attorney
Lawrence P. Zale

Call us today at 570-878-5000