| 10422920 |
Formation characterization for fast forward neutron models |
Charles R. Case, Joseph M. Chiaramonte |
2019-09-24 |
| 8521435 |
Estimating sigma log beyond the measurements points |
Chanh Cao Minh, Marie-Laure Mauborgne, Roger Griffiths |
2013-08-27 |
| 8063356 |
Method of extracting formation density and Pe using a pulsed accelerator based litho-density tool |
Tong Zhou, Felix Chen, Charles R. Case, Bradley A. Roscoe |
2011-11-22 |
| 7902496 |
Method of determining petro-physical information with high energy gamma rays |
Tancredi Botto |
2011-03-08 |
| 7292942 |
Measuring formation density through casing |
Marvin E. Markley |
2007-11-06 |
| 7279677 |
Measuring wellbore diameter with an LWD instrument using compton and photoelectric effects |
Charles Fulton, Dhanoolal Kandhai |
2007-10-09 |
| 7112783 |
Neutron measurement method for determining porosity of a formation surrounding a borehole |
Benoit Couet, Michael Evans, Charles R. Case, Francoise Allioli |
2006-09-26 |
| 6552334 |
Wellbore caliper measurement method using measurements from a gamma-gamma density |
Mohammed Doghmi |
2003-04-22 |
| 5390115 |
Compensated gamma-gamma density sonde using three detectors |
Charles R. Case |
1995-02-14 |
| 4816674 |
Determining a formation porosity from neutron logging information |
Charles Flaum, Hubert D. Scott |
1989-03-28 |
| 4810876 |
Logging apparatus and method for determining absolute elemental concentrations of subsurface formations |
Peter Wraight, Russel C. Hertzog, Hubert D. Scott, Jeffrey S. Schweitzer, James A. Grau |
1989-03-07 |
| 4645927 |
Clay type and volume evaluation |
— |
1987-02-24 |
| 4542292 |
Correction of natural gamma radiation logs for the effects of gamma ray emission from and attenuation by the borehole fluid |
— |
1985-09-17 |
| 4423323 |
Neutron logging method and apparatus for determining a formation characteristic free of environmental effects |
Charles Flaum |
1983-12-27 |
