| 10192007 |
System and method for estimating material density |
Michael Anthony Lexa, Meena Ganesh, John Brandon Laflen, John Edward Smaardyk |
2019-01-29 |
| 9927552 |
System and method for eccentering correction |
Michael Anthony Lexa, Meena Ganesh, John Edward Smaardyk |
2018-03-27 |
| 9267359 |
Method and apparatus for interrogating a subterranean annulus |
John Edward Smaardyk, Russel C. Hertzog |
2016-02-23 |
| 8878126 |
Method for inspecting a subterranean tubular |
John Edward Smaardyk, Russel C. Hertzog |
2014-11-04 |
| 8754362 |
Method for detecting fractures and perforations in a subterranean formation |
John Edward Smaardyk, Russel C. Hertzog |
2014-06-17 |
| 7303010 |
Apparatus and method for an autonomous robotic system for performing activities in a well |
Neil De Guzman, Lawrence Lafferty, Chad Lafferty |
2007-12-04 |
| 5175429 |
Stand-off compensation for nuclear MWD measurement |
Hugh E. Hall, Jr., James E. Meisner |
1992-12-29 |
| 5128541 |
Thermal decay time logging method |
Mehrzad Mahdavi, Jean-Remy Olesen, George Summerfield |
1992-07-07 |
| 4600838 |
Methods and apparatus for measuring thermal neutron decay characteristics of earth formations |
Larry A. Jacobson |
1986-07-15 |
| 4251724 |
Method and apparatus for determination of temperature, neutron absorption cross section and neutron moderating power |
Nicholas Vagelatos, Joseph John, Jack C. Young |
1981-02-17 |