Inventor
VILLAREAL STEVEN G
US32 patents
⚠️ This page may combine multiple inventors who share the name “VILLAREAL STEVEN G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
23 patentsUS7367394B2May 6, 2008
Formation evaluation while drilling
SCHLUMBERGER TECHNOLOGY CORP71 citations97
US7124819B2Oct 24, 2006
Downhole fluid pumping apparatus and method
SCHLUMBERGER TECHNOLOGY CORP98 citations95
US7937223B2May 3, 2011
Downhole fluid analysis
SCHLUMBERGER TECHNOLOGY CORP20 citations92
US7845405B2Dec 7, 2010
Formation evaluation while drilling
SCHLUMBERGER TECHNOLOGY CORP20 citations92
US7594541B2Sep 29, 2009
Pump control for formation testing
SCHLUMBERGER TECHNOLOGY CORP36 citations92
US9115567B2Aug 25, 2015
Method and apparatus for determining efficiency of a sampling tool
SCHLUMBERGER TECHNOLOGY CORP9 citations84
US6880647B2Apr 19, 2005
Chassis for downhole drilling tool
SCHLUMBERGER TECHNOLOGY CORP16 citations84
US9416606B2Aug 16, 2016
While drilling valve system
SCHLUMBERGER TECHNOLOGY CORP5 citations82
US7878244B2Feb 1, 2011
Apparatus and methods to perform focused sampling of reservoir fluid
SCHLUMBERGER TECHNOLOGY CORP15 citations82
US12404762B2Sep 2, 2025
Drilling system
SCHLUMBERGER TECHNOLOGY CORP2 citations72
US11795763B2Oct 24, 2023
Downhole tools having radially extendable elements
SCHLUMBERGER TECHNOLOGY CORP2 citations72
US10007260B2Jun 26, 2018
Fault detection and tolerance in downhole tool string assemblies
SCHLUMBERGER TECHNOLOGY CORP3 citations72
US9416655B2Aug 16, 2016
Modular connector
SCHLUMBERGER TECHNOLOGY CORP4 citations72
US10184315B2Jan 22, 2019
While drilling valve system
SCHLUMBERGER TECHNOLOGY CORP2 citations71
US12435575B2Oct 7, 2025
Downhole tools having radially extendable elements
SCHLUMBERGER TECHNOLOGY CORP0 citations62
US12326044B2Jun 10, 2025
Erosion resistant insert for drill bits
SCHLUMBERGER TECHNOLOGY CORP0 citations62
US8636064B2Jan 28, 2014
Formation evaluation while drilling
SCHLUMBERGER TECHNOLOGY CORP2 citations62
US10458232B2Oct 29, 2019
Formation fluid sample container apparatus
SCHLUMBERGER TECHNOLOGY CORP1 citations61
US11280187B2Mar 22, 2022
Estimating a formation index using pad measurements
SCHLUMBERGER TECHNOLOGY CORP1 citations59
US10704388B2Jul 7, 2020
Systems and methods for pump control based on non-linear model predictive controls
SCHLUMBERGER TECHNOLOGY CORP1 citations59
US12460539B1Nov 4, 2025
Instrumented drill bit
SCHLUMBERGER TECHNOLOGY CORP0 citations56
US10711603B2Jul 14, 2020
Formation evaluation while drilling
SCHLUMBERGER TECHNOLOGY CORP0 citations51
US9441425B2Sep 13, 2016
Drilling tool system and method of manufacture
SCHLUMBERGER TECHNOLOGY CORP0 citations50