Inventor

EWAN ROBIN A

US4 patents

Patents

4 patents

US7516782B2Apr 14, 2009

Self-anchoring device with force amplification

SCHLUMBERGER TECHNOLOGY CORP48 citations94

US7143843B2Dec 5, 2006

Traction control for downhole tractor

SCHLUMBERGER TECHNOLOGY CORP44 citations93

US7854258B2Dec 21, 2010

Self-anchoring device with force amplification

SCHLUMBERGER TECHNOLOGY CORP24 citations90

US7185714B2Mar 6, 2007

Traction control for downhole tractor

SCHLUMBERGER TECHNOLOGY CORP20 citations89