| 4602508 |
Continuous gravity gradient logging |
W. D. Lyle, Jr. |
1986-07-29 |
| 4515214 |
Method for controlling the vertical growth of hydraulic fractures |
Malcolm K. Strubhar |
1985-05-07 |
| 4510997 |
Solvent flooding to recover viscous oils |
Lynn D. Mullins |
1985-04-16 |
| 4480254 |
Electronic beam steering methods and apparatus |
Donald B. Spencer |
1984-10-30 |
| 4475386 |
Borehole gravimetry system |
W. D. Lyle, Jr. |
1984-10-09 |
| 4465146 |
Tubular drill string member with contoured circumferential surface |
— |
1984-08-14 |
| 4415035 |
Method for fracturing a plurality of subterranean formations |
William L. Medlin, Malcolm K. Strubhar |
1983-11-15 |
| 4408206 |
System for transmitting power from a solar satellite to earth and subsequent conversion to a 60 Hertz three phase signal |
Donald B. Spencer |
1983-10-04 |
| 4385662 |
Method of cyclic solvent flooding to recover viscous oils |
Lynn D. Mullins |
1983-05-31 |
| 4373585 |
Method of solvent flooding to recover viscous oils |
Lynn D. Mullins |
1983-02-15 |
| 4365678 |
Tubular drill string member with contoured circumferential surface |
— |
1982-12-28 |
| 4293035 |
Solvent convection technique for recovering viscous petroleum |
— |
1981-10-06 |
| 4200413 |
Pipelining particulate solid material as stable foam slurry |
— |
1980-04-29 |