1
Qi Qu, Erik B Nelson, Dean M Willberg, Mathew M Samuel, Jesse C Lee Jr, Frank F Chang, Roger J Card, Palathinkara S Vinod, J Ernest Brown, Ronnie L Thomas: Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations. Schlumberger Technology Corporation, Robin C Nava, Thomas O Mitchell, Stephen F Schlather, August 20, 2002: US06435277 (173 worldwide citation)

The improved recovery of hydrocarbons from subterranean formations by hydraulically fracturing a subterranean formation is accomplished. Fracturing fluids using a viscosifying surfactant fluid containing viscosifying micelles, for example, wormlike micelles, are useful to improve recovery of hydroca ...


2
Kevin England: Hydraulic fracturing method. Schlumberger Technology Corporation, Thomas O Mitchell, Robin Nava, Brigitte L Echols, August 17, 2004: US06776235 (173 worldwide citation)

This invention relates generally to the art of hydraulic fracturing in subterranean formations and more particularly to a method and means for optimizing fracture conductivity. According to the present invention, the well productivity is increased by sequentially injecting into the wellbore alternat ...


3
Mathew M Samuel, Keith I Dismuke, Roger J Card, J Ernest Brown, Kevin W England: Methods of fracturing subterranean formations. Schlumberger Technology Corporation, Douglas Y&apos Barbo, Thomas O Mitchell, October 23, 2001: US06306800 (139 worldwide citation)

The improved recovery of hydrocarbons from subterranean formations by fracturing and matrix acidizing a subterranean formation is accomplished. Well treatment fluids having a viscoelastic surfactant fluid containing worm like micelles are useful to improve recovery of hydrocarbons and limit the loss ...


4
Manilal S Dahayanake, Jiang Yang: Viscoelastic surfactant fluids and related methods of use. Schlumberger Technology Corporation, Thomas O Mitchell, Catherine Menes, Brigitte Jeffery, March 9, 2004: US06703352 (138 worldwide citation)

Viscoelastic surfactant based aqueous fluid systems useful as thickening agents in various applications, e.g. to suspend particles produced during the excavation of geologic formations. The surfactants are zwitterionic/amphoteric surfactants such as dihydroxyl alkyl glycinate, alkyl ampho acetate or ...


5
André Garnier, Michel Michaux, Philippe Revil: Cementation product and use for cementing oil wells or the like. Schlumberger Technology, Catherine Menes, Thomas O Mitchell, Brigitte Jeffery, December 2, 2003: US06656265 (135 worldwide citation)

The present invention provides a cementing composition for an oil well or the like with porosity of less than 50%, and with a solid phase constituted by 35% to 65% (by volume) hollow microspheres, 20% to 45% Class G Portland cement, and 5% to 25% of Class G Portland micro-cement. The invention is us ...


6
Jerald J Hinkel, Kevin W England: Method and apparatus for deliberate fluid removal by capillary imbibition. Schlumberger Technology Corporation, Douglas Y&apos Barbo, Robin C Nava, Thomas O Mitchell, September 4, 2001: US06283212 (127 worldwide citation)

The present Invention relates to hydrocarbon well stimulation, and more particularly to methods and compositions to remove (or more generally to transfer) fluid introduced into the subsurface. For instance, preferred methods involve creating then exploiting a capillary pressure gradient at the fract ...


7
Jesse Lee, Erik Nelson, Kevin England, Philip Sullivan: Methods for controlling the rheological properties of viscoelastic surfactants based fluids. Schlumberger Technology Corporation, Thomas O Mitchell, Tim Curington, Robin Nava, August 1, 2006: US07084095 (125 worldwide citation)

It was found that the addition of polymers to viscoelastic surfactant base system allows to adjust the rheological properties of the base fluid. Depending in particular on one side of the ratio of the concentration of added polymer and the concentration of viscoelastic surfactant and on the other si ...


8
Kevin W England, Curtis L Boney, Matthew J Miller: Methods for stimulating hydrocarbon production. Schlumberger Technology Corporation, Thomas O Mitchell, Robin Nava, Briqitte L Echols, December 7, 2004: US06828280 (124 worldwide citation)

Methods are provided for stimulation of hydrocarbon production from low permeability formations by hydraulic fracturing, acid fracturing, and hydraulic fracturing followed by gravel packing in a single operation. The methods use a first injected viscous pad made with low concentration uncrosslinked ...


9
Curtis L Boney, Dean M Willberg: Methods and fluid compositions designed to cause tip screenouts. Schlumberger Technology Corporation, Thomas O Mitchell, Robin Nava, Brigitte L Echols, January 4, 2005: US06837309 (117 worldwide citation)

In stimulation treatments to increase the production of hydrocarbons from subterranean formations, especially in treatments including hydraulic fracturing followed by gravel packing, desirable short wide fractures are created and filled with proppant by deliberately including in the first fluid/prop ...


10
Matthew J Miller, Curtis L Boney, Kevin W England, Jerald J Hinkel: Methods for dewatering shaly subterranean formations. Schlumberger Technology Corporation, Thomas O Mitchell, Catherine Menes, Brigitte Jeffery, December 9, 2003: US06660693 (115 worldwide citation)

Methods are provided for increasing the production of hydrocarbons from shaly formations that contain adsorbed condensed hydrocarbon gases by treating such formations with dewatering compositions comprising surfactants that cause the surfaces of the formation to be or to remain oil-wet. The methods ...