Inventor

SUNDQUIST ROBERT WAYNE

US2 patents

Patents

2 patents

US7431107B2Oct 7, 2008

Coring bit with uncoupled sleeve

SCHLUMBERGER TECHNOLOGY CORP21 citations89

US6769296B2Aug 3, 2004

Apparatus and method for measuring formation pressure using a nozzle

SCHLUMBERGER TECHNOLOGY CORP25 citations86