Inventor

DAVIS JABUS T

US3 patents

Patents

3 patents

US7617876B2Nov 17, 2009

Formation isolation valve and method of use

SCHLUMBERGER TECHNOLOGY CORP24 citations89

US7347272B2Mar 25, 2008

Formation isolation valve

SCHLUMBERGER TECHNOLOGY CORP28 citations89

US6745834B2Jun 8, 2004

Complete trip system

SCHLUMBERGER TECHNOLOGY CORP76 citations89