Inventor
BARTEL ROGER P
US13 patents
⚠️ This page may combine multiple inventors who share the name “BARTEL ROGER P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NUMAR CORP
3 patentsUS6362619B2Mar 26, 2002
Method and apparatus for nuclear magnetic resonance measuring while drilling
NUMAR CORP94 citations98
US6268726B1Jul 31, 2001
Method and apparatus for nuclear magnetic resonance measuring while drilling
NUMAR CORP190 citations98
US6583621B2Jun 24, 2003
Method and apparatus for nuclear magnetic resonance measuring while drilling
NUMAR CORP68 citations96
BAROID TECHNOLOGY INC
2 patentsUS5278507AJan 11, 1994
Well logging method and apparatus providing multiple depth of investigation using multiple transmitters and single receiver pair having depth of investigation independent of formation resistivity
BAROID TECHNOLOGY INC86 citations96
US4940943AJul 10, 1990
Method and apparatus for optimizing the reception pattern of the antenna of a propagating electromagnetic wave logging tool
BAROID TECHNOLOGY INC84 citations96