P

Inventor

KRUEGER R ERNST

US6 patents
⚠️ This page may combine multiple inventors who share the name “KRUEGER R ERNST”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WESTERN WELL TOOL INC

5 patents
US5803193ASep 8, 1998

Drill pipe/casing protector assembly

WESTERN WELL TOOL INC162 citations97
US6467557B1Oct 22, 2002

Long reach rotary drilling assembly

WESTERN WELL TOOL INC156 citations95
US5692563ADec 2, 1997

Tubing friction reducer

WESTERN WELL TOOL INC70 citations95
US6470974B1Oct 29, 2002

Three-dimensional steering tool for controlled downhole extended-reach directional drilling

WESTERN WELL TOOL INC34 citations92
US6708783B2Mar 23, 2004

Three-dimensional steering tool for controlled downhole extended-reach directional drilling

WESTERN WELL TOOL INC12 citations73

WESTERN WELL TOOLS INC

1 patent
US6942044B2Sep 13, 2005

Three-dimensional steering tool for controlled downhole extended-reach directional drilling

WESTERN WELL TOOLS INC21 citations88