| 5470749 |
Method for determining steam quality using a foaming surfactant |
Nizar F. Djabbarah |
1995-11-28 |
| 5443119 |
Method for controlling sand production from a hydrocarbon producing reservoir |
Michael Roy Chambers, Sr. |
1995-08-22 |
| 5402846 |
Unique method of hydraulic fracturing |
Alfred R. Jennings, Jr. |
1995-04-04 |
| 5363917 |
Method of sand consolidation |
Alfred R. Jennings, Jr., Robert S. Timmer |
1994-11-15 |
| 5360068 |
Formation fracturing |
Alfred R. Jennings, Jr., Robert S. Timmer |
1994-11-01 |
| 5299453 |
Method for determining oil and water saturation of core samples at overburden pressure |
Nizar F. Djabbarah |
1994-04-05 |
| 5214384 |
Method including electrical self potential measurements for detecting multiphase flow in a cased hole |
Nizar F. Djabbarah |
1993-05-25 |
| 5209104 |
Method for desaturating a porous rock for electrical resistivity measurements |
Samuel H. Collins |
1993-05-11 |
| 5206505 |
Apparatus and method for retrieving and evaluating a slim hole drilled core sample of a subsurface formation |
— |
1993-04-27 |
| 5164672 |
Method for measuring electrical resistivity of a core sample of porous rock during water drainage and imbibition |
Ron E. Gilliland |
1992-11-17 |
| 5069065 |
Method for measuring wettability of porous rock |
Samuel H. Collins |
1991-12-03 |
| 4982604 |
Method and system for testing the dynamic interaction of coring fluid with earth material |
R. Michael Davis, M. Scott Quigley |
1991-01-08 |
| 4924187 |
Method for measuring electrical anisotrophy of a core sample from a subterranean formation |
R. Michael Davis, W. David Kennedy, Samuel H. Collins |
1990-05-08 |
| 4868751 |
Method for determining relative permeability of a subterranean reservoir |
Ali H. Dogru |
1989-09-19 |
| 4864864 |
Method for measuring stress deformation of materials |
David P. Yale, Robin B. Montgomery |
1989-09-12 |
| 4848487 |
Method for minimizing mud solids invasion of core samples obtained during subsurface coring |
Maynard L. Anderson, Peggy M. Wilson, Susan O. Wooten |
1989-07-18 |
| 4799382 |
Method for determining reservoir characteristics of a porous material |
David P. Yale |
1989-01-24 |
| 4785882 |
Enhanced hydrocarbon recovery |
— |
1988-11-22 |
| 4722095 |
Method for identifying porosity and drilling mud invasion of a core sample from a subterranean formation |
Ernest L. Muegge, Jorge J. Faz |
1988-01-26 |
| 4688238 |
Method for determining lithological characteristics of a porous material |
Neil V. Humphreys, Ernest L. Muegge, James R. Dixon |
1987-08-18 |
| 4631963 |
Method for measuring acoustic energy anisotropy through core samples |
Larry D. Smallwood |
1986-12-30 |
| 4631964 |
Shear acoustic energy anisotropy of subsurface formations |
Larry D. Smallwood |
1986-12-30 |
| 4380930 |
System for transmitting ultrasonic energy through core samples |
Julius Podhrasky |
1983-04-26 |