Inventor
CONTRERAS GARY W
US6 patents
⚠️ This page may combine multiple inventors who share the name “CONTRERAS GARY W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
4 patentsUS6371221B1Apr 16, 2002
Coring bit motor and method for obtaining a material core sample
SCHLUMBERGER TECHNOLOGY CORP70 citations94
US6729416B2May 4, 2004
Method and apparatus for retaining a core sample within a coring tool
SCHLUMBERGER TECHNOLOGY CORP27 citations90
US6412575B1Jul 2, 2002
Coring bit and method for obtaining a material core sample
SCHLUMBERGER TECHNOLOGY CORP30 citations90
US7431107B2Oct 7, 2008
Coring bit with uncoupled sleeve
SCHLUMBERGER TECHNOLOGY CORP21 citations89