Inventor
TUSTIN GARY JOHN
GB34 patents
⚠️ This page may combine multiple inventors who share the name “TUSTIN GARY JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
20 patentsUS6881709B2Apr 19, 2005
Viscosity reduction of viscoelastic surfactant based fluids
SCHLUMBERGER TECHNOLOGY CORP199 citations97
US8044000B2Oct 25, 2011
Polymer delivery in well treatment applications
SCHLUMBERGER TECHNOLOGY CORP24 citations92
US7703521B2Apr 27, 2010
Polymeric microspheres as degradable fluid loss additives in oilfield applications
SCHLUMBERGER TECHNOLOGY CORP21 citations92
US7410934B2Aug 12, 2008
Aqueous viscoelastic fluid
SCHLUMBERGER TECHNOLOGY CORP15 citations92
US7196041B2Mar 27, 2007
Surfactant comprising alkali metal salt of 2-methyl oleic acid or 2-ethyl oleic acid
SCHLUMBERGER TECHNOLOGY CORP17 citations92
US7748452B2Jul 6, 2010
Polymeric microspheres as degradable fluid loss additives in oilfield applications
SCHLUMBERGER TECHNOLOGY CORP42 citations91
US8342241B2Jan 1, 2013
Delivery of nanodispersions below ground
SCHLUMBERGER TECHNOLOGY CORP51 citations90
US8043999B2Oct 25, 2011
Stabilizing biphasic concentrates through the addition of small amounts of high molecular weight polyelectrolytes
SCHLUMBERGER TECHNOLOGY CORP34 citations90
US8016040B2Sep 13, 2011
Fluid loss control
SCHLUMBERGER TECHNOLOGY CORP13 citations84
US7343978B2Mar 18, 2008
Scale dissolver fluid
SCHLUMBERGER TECHNOLOGY CORP12 citations82
US7156177B2Jan 2, 2007
Scale dissolver fluid
SCHLUMBERGER TECHNOLOGY CORP11 citations82
US7858563B2Dec 28, 2010
Wellbore treatment with hydrocarbon-responsive fluid containing oligomeric viscoelastic surfactant
SCHLUMBERGER TECHNOLOGY CORP6 citations74
US7094736B2Aug 22, 2006
Sampling of hydrocarbons from geological formations
SCHLUMBERGER TECHNOLOGY CORP8 citations74
US7703527B2Apr 27, 2010
Aqueous two-phase emulsion gel systems for zone isolation
SCHLUMBERGER TECHNOLOGY CORP6 citations73
US7950459B2May 31, 2011
Using a biphasic solution as a recyclable coiled tubing cleanout fluid
SCHLUMBERGER TECHNOLOGY CORP5 citations63
US7670995B2Mar 2, 2010
Viscoelastic wellbore treatment fluid
SCHLUMBERGER TECHNOLOGY CORP3 citations63
US7238649B2Jul 3, 2007
Powder composition
SCHLUMBERGER TECHNOLOGY CORP3 citations63
US7987912B2Aug 2, 2011
Reversible polymeric gelation for oilfield applications
SCHLUMBERGER TECHNOLOGY CORP6 citations54
US7858562B2Dec 28, 2010
Powder composition
SCHLUMBERGER TECHNOLOGY CORP0 citations52
US7576043B2Aug 18, 2009
Viscoelastic wellbore fluid comprising an anionic surfactant
SCHLUMBERGER TECHNOLOGY CORP0 citations52