| 5109927 |
RF in situ heating of heavy oil in combination with steam flooding |
Irwin R. Supernaw |
1992-05-05 |
| 4962665 |
Sampling resistivity of formation fluids in a well bore |
Irwin R. Supernaw |
1990-10-16 |
| 4660636 |
Protective device for RF applicator in in-situ oil shale retorting |
Herbert A. Rundell, Richard H. Vinton |
1987-04-28 |
| 4638862 |
Means and method for producing hydrocarbons from an earth formation during the RF retorting of a hydrocarbon stratum |
— |
1987-01-27 |
| 4636731 |
Propagation anisotropic well logging system and method |
Percy T. Cox, Hans J. Paap |
1987-01-13 |
| 4609873 |
Dielectric well logging system with at least three transmitter coils and at least two receiver coils for determining resistivity and dielectric constant of a subsurface formation adjacent a fluid invaded zone of the formation |
Percy T. Cox, Richard A. Meador, Roland G. Riedesel, Jr. |
1986-09-02 |
| 4592423 |
Hydrocarbon stratum retorting means and method |
Hans J. Paap |
1986-06-03 |
| 4573805 |
Method for measuring temperature of a hydrocarbon stratum subjected to RF electromagnetic energy |
Donald J. Dowling, Vernon L. Heeren, deceased, Brian C. Considine |
1986-03-04 |
| 4553592 |
Method of protecting an RF applicator |
Mark Dean Looney |
1985-11-19 |
| 4524826 |
Method of heating an oil shale formation |
— |
1985-06-25 |
| 4513815 |
System for providing RF energy into a hydrocarbon stratum |
Herbert A. Rundell |
1985-04-30 |
