Inventor
SMAARDYK JOHN E
US7 patents
⚠️ This page may combine multiple inventors who share the name “SMAARDYK JOHN E”. 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
SCHLUMBERGER TECHNOLOGY CORP
2 patentsUS5432446AJul 11, 1995
Borehole measurement of NMR characteristics of earth formation
SCHLUMBERGER TECHNOLOGY CORP128 citations95
US5451873ASep 19, 1995
Method and apparatus for determining the in situ larmor frequency of a wellbore NMR tool to compensate for accumulation of magnetic material on the magnet housing of the tool
SCHLUMBERGER TECHNOLOGY CORP73 citations94