Inventor
MALONE DAVID L
US12 patents
Patents
12 patentsUS6684952B2Feb 3, 2004
Inductively coupled method and apparatus of communicating with wellbore equipment
SCHLUMBERGER TECHNOLOGY CORP99 citations98
US6276458B1Aug 21, 2001
Apparatus and method for controlling fluid flow
SCHLUMBERGER TECHNOLOGY CORP119 citations98
US6328112B1Dec 11, 2001
Valves for use in wells
SCHLUMBERGER TECHNOLOGY CORP61 citations95
US6094401AJul 25, 2000
Inverse vertical seismic profiling using a measurement while drilling tool as a seismic source
SCHLUMBERGER TECHNOLOGY CORP64 citations94
US5901113AMay 4, 1999
Inverse vertical seismic profiling using a measurement while drilling tool as a seismic source
SCHLUMBERGER TECHNOLOGY CORP53 citations94
US7165618B2Jan 23, 2007
Inductively coupled method and apparatus of communicating with wellbore equipment
SCHLUMBERGER TECHNOLOGY CORP38 citations92
US6727828B1Apr 27, 2004
Pressurized system for protecting signal transfer capability at a subsurface location
SCHLUMBERGER TECHNOLOGY CORP35 citations92
US6582145B1Jun 24, 2003
Pressurized connector for high pressure applications
SCHLUMBERGER TECHNOLOGY CORP23 citations92
US5941308AAug 24, 1999
Flow segregator for multi-drain well completion
SCHLUMBERGER TECHNOLOGY CORP125 citations92
US5421420AJun 6, 1995
Downhole weight-on-bit control for directional drilling
SCHLUMBERGER TECHNOLOGY CORP118 citations92
US7036600B2May 2, 2006
Technique for deploying expandables
SCHLUMBERGER TECHNOLOGY CORP23 citations88
US6341652B1Jan 29, 2002
Backflow prevention device
SCHLUMBERGER TECHNOLOGY CORP17 citations83