Inventor

MCLOUGHLIN EUGENE P

US3 patents

Patents

3 patents

US6973974B2Dec 13, 2005

Valves for use in wells

SCHLUMBERGER TECHNOLOGY CORP92 citations94

US6668935B1Dec 30, 2003

Valve for use in wells

SCHLUMBERGER TECHNOLOGY CORP48 citations94

US6966380B2Nov 22, 2005

Valves for use in wells

SCHLUMBERGER TECHNOLOGY CORP27 citations90