| 5259466 |
Method and apparatus for orienting a perforating string |
James J. Venditto, David E. McMechan, Calvin Kessler |
1993-11-09 |
| 4657724 |
Neutron generator ion source pulser |
— |
1987-04-14 |
| 4517459 |
Temperature stabilization system for a radiation detector in a well logging tool |
Albert P. Richter, Jr. |
1985-05-14 |
| 4388529 |
System for simultaneous measurement of borehole and formation neutron lifetimes |
— |
1983-06-14 |
| 4350888 |
Method and system for determining thermal neutron lifetime of earth formations |
— |
1982-09-21 |
| 4288696 |
Well logging neutron generator control system |
James R. Bridges |
1981-09-08 |
| 4264823 |
Well logging digital neutron generator control system |
William J. Sloughter, James R. Bridges |
1981-04-28 |
| 4245479 |
Temperature stabilization method |
Albert P. Richter, Jr. |
1981-01-20 |
| 4228350 |
Method and apparatus for measuring underground fluid flow characteristics |
Hans J. Paap, Albert P. Richter, Jr., Dan M. Arnold, Hubert D. Scott |
1980-10-14 |
| 4209695 |
Detection of impurities in fluid flowing in refinery pipeline or oil production operations using nuclear techniques |
Dan M. Arnold, Obie M. Langford, Hans J. Paap, Irwin R. Supernaw |
1980-06-24 |
| 4199953 |
Temperature stabilization system |
Albert P. Richter, Jr. |
1980-04-29 |
