Inventor
CHANG FRANK F
US22 patents
⚠️ This page may combine multiple inventors who share the name “CHANG FRANK F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
19 patentsUS6399546B1Jun 4, 2002
Fluid system having controllable reversible viscosity
SCHLUMBERGER TECHNOLOGY CORP175 citations99
US6342467B1Jan 29, 2002
Method and composition for controlling fluid loss in high permeability hydrocarbon bearing formations
SCHLUMBERGER TECHNOLOGY CORP150 citations99
US5981447ANov 9, 1999
Method and composition for controlling fluid loss in high permeability hydrocarbon bearing formations
SCHLUMBERGER TECHNOLOGY CORP149 citations99
US5979557ANov 9, 1999
Methods for limiting the inflow of formation water and for stimulating subterranean formations
SCHLUMBERGER TECHNOLOGY CORP548 citations99
US6667280B2Dec 23, 2003
Fluid system having controllable reversible viscosity
SCHLUMBERGER TECHNOLOGY CORP116 citations98
US6637517B2Oct 28, 2003
Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations
SCHLUMBERGER TECHNOLOGY CORP129 citations98
US6435277B1Aug 20, 2002
Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations
SCHLUMBERGER TECHNOLOGY CORP365 citations98
US6140277AOct 31, 2000
Fluids and techniques for hydrocarbon well completion
SCHLUMBERGER TECHNOLOGY CORP184 citations97
US7451819B2Nov 18, 2008
Openhole perforating
SCHLUMBERGER TECHNOLOGY CORP43 citations95
US6638896B1Oct 28, 2003
Fluids and techniques for hydrocarbon well completion
SCHLUMBERGER TECHNOLOGY CORP65 citations94
US7119050B2Oct 10, 2006
Fluid system having controllable reversible viscosity
SCHLUMBERGER TECHNOLOGY CORP33 citations93
US7182138B2Feb 27, 2007
Reservoir communication by creating a local underbalance and using treatment fluid
SCHLUMBERGER TECHNOLOGY CORP39 citations92
US7036594B2May 2, 2006
Controlling a pressure transient in a well
SCHLUMBERGER TECHNOLOGY CORP44 citations92
US6806236B2Oct 19, 2004
Composition and method for treating a subterranean formation
SCHLUMBERGER TECHNOLOGY CORP42 citations92
US7984761B2Jul 26, 2011
Openhole perforating
SCHLUMBERGER TECHNOLOGY CORP7 citations83
US7878246B2Feb 1, 2011
Methods of perforation using viscoelastic surfactant fluids and associated compositions
SCHLUMBERGER TECHNOLOGY CORP15 citations79
US7288505B2Oct 30, 2007
Fluid system having controllable reversible viscosity
SCHLUMBERGER TECHNOLOGY CORP7 citations74
US9109440B2Aug 18, 2015
Estimating diffusion coefficient for a reservoir stimulation fluid
SCHLUMBERGER TECHNOLOGY CORP5 citations73
US7845410B2Dec 7, 2010
Openhole perforating
SCHLUMBERGER TECHNOLOGY CORP7 citations73