Yi Qiao Song, Eric E Sigmund, HyungJoon Cho: Diffusion-based magnetic resonance methods for characterizing bone structure. Schlumberger Technology Corporation, Jakub Michna, Rachel E Greene, Brigid Laffey, June 25, 2013: US08473046 (3 worldwide citation)

A method of in vitro or in vivo nuclear magnetic resonance and/or magnetic resonance imaging, to determine bone properties by measuring the effects of molecular diffusion inside the bone specimen to derive parameters that are related to the structure of the trabecular bones. The method is a non-inva ...

Jagdish Shah, Neil William Bostrom, Oleg Zhdaneev, Bhavani Raghuraman, Kristofer Gunnar Paso: High pressure and high temperature chromatography. Schlumberger Technology Corporation, Rachel E Greene, Brigid Laffey, October 4, 2011: US08028562 (3 worldwide citation)

Methods and related systems are described for high pressure chromatographic analysis. The described system includes a flowpath adapted to flow a mobile phase and the sample at high pressures, an injector adapted to inject the fluid sample into a flowpath, a separation column adapted to operate at hi ...

Hugues Djikpesse, Mohamed Rabigh Khodja, Michael David Prange: Guided Bayesian experimental design. Schlumberger Technology Corporation, Rachel E Greene, Jakub Michna, Bridget Laffey, November 19, 2013: US08589078 (3 worldwide citation)

A Bayesian methodology is described for designing experiments or surveys that are improved by utilizing available prior information to guide the design toward maximally reducing posterior uncertainties in the interpretation of the future experiment. Synthetic geophysical tomography examples are used ...

Utpal Ganguly, Hitoshi Onda, Xiaowei Weng: System and method for performing downhole stimulation operations. Schlumberger Technology Corporation, Rachel E Greene, Tim Currington, January 5, 2016: US09228425 (2 worldwide citation)

A system and method for performing stimulation operations at a wellsite having a subterranean formation with of a reservoir therein is provided. The method involves performing reservoir characterization to generate a mechanical earth model based on integrated petrophysical, geomechanical and geophys ...

Brian C Considine, John A Cogliandro, Maureen P Cogliandro, John M Moses, John R Hannon, John P Markiewicz: Apparatus for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids. Schlumberger Technology Corporation, Rachel E Greene, Brigid Laffey, January 17, 2012: US08096349 (2 worldwide citation)

The extraction of hydrocarbon fuel products such as kerogen oil and gas from a body of fixed fossil fuels such as oil shale is accomplished by applying a combination of electrical energy and critical fluids with reactants and/or catalysts down a borehole to initiate a reaction of reactants in the cr ...

Michael D Parris, Andrey Mirakyan, Yiyan Chen, Carlos Abad: Well treatment with ionic polymer gels. Schlumberger Technology Corporation, David Cate, Rachel E Greene, Robin Nava, August 31, 2010: US07786050 (2 worldwide citation)

Methods comprising preparing an aqueous mixture of an anionic polymer, a charge screening surfactant, and a borate crosslinker, wherein the mixture has a conductivity less than 10 mS/cm, injecting the mixture down a wellbore, and gelling the mixture. An embodiment of the aqueous mixture can also inc ...

Huilin Tu, Agathe Robisson, Julien Ramier: Coupling agents and compositions produced using them. Schlumberger Technology Corporation, Bridget Laffey, Rachel E Greene, Jakub Michna, November 5, 2013: US08575273 (2 worldwide citation)

Certain embodiments described herein are directed to silane coupling agents that may be used, for example, to covalently couple a polymer to a filler. In some examples, devices that include the polymer-silane coupling agent-filler compositions are also described.

Dmitry Ivanovich Potapenko, Bruno Lecerf, Olga Petrovna Alekseenko, Christopher N Fredd, Elena Nikolaevna Tarasova, Oleg Medvedev, Matthew Robert Gillard: Method of fracturing multiple zones within a well. Schlumberger Technology Corporation, Mathieu Vandermolen, Rachel E Greene, Tim Curington, September 1, 2015: US09121272 (2 worldwide citation)

A method of fracturing multiple zones within a wellbore formed in a subterranean formation is carried out by forming flow-through passages in two or more zones within the wellbore that are spaced apart from each other along the length of a portion of the wellbore. The flow-through passages within ea ...

Carlos Abad: Method of treating a subterranean formation and forming treatment fluids using chemo-mathematical models and process control. Schlumberger Technology Corporation, Jeremy D Tillman, Rachel E Greene, July 21, 2015: US09085975 (2 worldwide citation)

A method of treating a subterranean formation penetrated by a wellbore is carried out by preparing a treatment fluid at a surface location based upon an initial model of fluid properties for the treatment fluid. The treatment fluid is formed from a first fluid stream and at least one additive fluid ...

Mohan K R Panga, Peter J Photos, Bruno Drochon, John W Still, Balkrishna Gadiyar, Ryan Hartman, Bryan Stamm: High solids content methods and slurries. SCHLUMBERGER TECHNOLOGY CORPORATION, Mathieu Vandermolen, Rachel E Greene, Tim Currington, January 19, 2016: US09238772 (2 worldwide citation)

A composition and method are disclosed. The composition includes a carrier fluid and a solids mixture combined to form a slurry, wherein the solids mixture comprises a plurality of volume-averaged particle size distribution (PSD) modes, wherein a first PSD mode comprises solids having a volume-avera ...