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Inventor

STEWART WAYNE S

US5 patents
⚠️ This page may combine multiple inventors who share the name “STEWART WAYNE S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHILLIPS PETROLEUM CO

3 patents
US5922653AJul 13, 1999

Compositions and processes for treating subterranean formations

PHILLIPS PETROLEUM CO35 citations92
US4743383AMay 10, 1988

Drilling fluid additives for use in hard brine environments

PHILLIPS PETROLEUM CO34 citations88
US5480863AJan 2, 1996

Brine viscosification

PHILLIPS PETROLEUM CO33 citations87

CHEVRON PHILLIPS CHEMICAL CO

2 patents
US6730637B1May 4, 2004

Reducing fluid loss in a drilling fluid

CHEVRON PHILLIPS CHEMICAL CO36 citations88
US7169739B2Jan 30, 2007

Methods of reducing sag in non-aqueous fluids

CHEVRON PHILLIPS CHEMICAL CO5 citations61