Inventor

CARD ROGER

US3 patents

⚠️ This page may combine multiple inventors who share the name “CARD ROGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHLUMBERGER TECHNOLOGY CORP

2 patents

US7669653B2Mar 2, 2010

System and method for maintaining zonal isolation in a wellbore

SCHLUMBERGER TECHNOLOGY CORP75 citations94

US6608005B2Aug 19, 2003

Wellbore fluids and their application

SCHLUMBERGER TECHNOLOGY CORP34 citations90

(unassigned)

1 patent

US6924253B2Aug 2, 2005

Scale removal

37 citations91