Inventor

OSWALD DARIN

CA3 patents

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

WEATHERFORD ENGINEERED CHEMISTRY CANADA LTD

2 patents

US7915205B2Mar 29, 2011

Single fluid acidizing treatment

WEATHERFORD ENGINEERED CHEMISTRY CANADA LTD20 citations85

US7915202B2Mar 29, 2011

Clay control additive for wellbore fluids

WEATHERFORD ENGINEERED CHEMISTRY CANADA LTD5 citations67

INNOVATIVE CHEMICAL TECHNOLOGI

1 patent

US7740071B2Jun 22, 2010

Clay control additive for wellbore fluids

INNOVATIVE CHEMICAL TECHNOLOGI10 citations78