P

Inventor

UNDERHILL WILLIAM B

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

SCHLUMBERGER TECHNOLOGY CORP

3 patents
US6308137B1Oct 23, 2001

Method and apparatus for communication with a downhole tool

SCHLUMBERGER TECHNOLOGY CORP180 citations98
US9546548B2Jan 17, 2017

Methods for locating a cement sheath in a cased wellbore

SCHLUMBERGER TECHNOLOGY CORP31 citations87
US6655458B2Dec 2, 2003

Formation testing instrument having extensible housing

SCHLUMBERGER TECHNOLOGY CORP23 citations87

UNDERHILL WILLIAM B

2 patents
US8107317B2Jan 31, 2012

Technique and system for performing a cross well survey

UNDERHILL WILLIAM B12 citations79
US9310505B2Apr 12, 2016

Technique and system for performing a cross well survey

UNDERHILL WILLIAM B2 citations57

AUZERAIS FRANCOIS M

1 patent
US9069099B2Jun 30, 2015

Method and apparatus for monitoring acoustic activity in a subsurface formation

AUZERAIS FRANCOIS M8 citations74