Inventor

JOHNSON LES

US3 patents

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

SCHLUMBERGER TECHNOLOGY CORP

1 patent

US6815399B1Nov 9, 2004

Shear-sensitive plugging fluid for plugging and a method for plugging a subterranean formation zone

SCHLUMBERGER TECHNOLOGY CORP40 citations87

BERLEX LAB

1 patent

US5378816AJan 3, 1995

Methods for high purity chromatographic separation of proteins having EGF-like binding domains

BERLEX LAB11 citations67

DOWELL SCHLUMBERGER INC

1 patent

US5199489AApr 6, 1993

Method of cementing well casing to avoid gas channelling from shallow gas-bearing formations

DOWELL SCHLUMBERGER INC19 citations63