1
Jiasen Tan, Ahmed Hammami, Moin Muhammad, Hussein Alboudwarej, Abdel M Kharrat: Compositions and methods of using same in producing heavy oil and bitumen. Schlumberger Technology Corporation, Jeffrey L Wendt, Wayne I Kanak, April 6, 2010: US07691788 (55 worldwide citation)

Compositions and methods of using same are described for negating asphaltene deposition in a formation, wellbore, near wellbore region, and production tubing. Compositions of the invention comprise an asphaltene solvent and a viscosity reducing agent, the asphaltene solvent and viscosity reducing ag ...


2
Youxiang, Moin Muhammad, Jiabao, Dingan: Methods and apparatus for characterization of petroleum fluid and applications thereof. Schlumberger Technology Corporation, Jay P Sbrollini, Wayne I Kanak, April 5, 2011: US07920970 (25 worldwide citation)

An improved method and system for characterizing the compositional components of a hydrocarbon reservoir of interest and analyzing fluid properties of the reservoir of interest based upon its compositional components.


3
Youxiang, Moin Muhammad: Methods and apparatus for analysis of downhole compositional gradients and applications thereof. Schlumberger Technology Corporation, Jay P Sbrollini, Wayne I Kanak, October 26, 2010: US07822554 (23 worldwide citation)

A method and system are provided for characterizing a reservoir of interest by comparing measured downhole fluid analysis measurement data with predicted downhole fluid analysis measurement data for the corresponding depth within the reservoir. The downhole fluid analysis measurement data may compri ...


4
Peter S Hegeman, Anthony R H Goodwin, Moin Muhammad, Ricardo Vasques, Cosan Ayan, Michael O Keefe, Tsutomu Yamate: Systems and methods for downhole fluid compatibility. Schlumberger Technology Corporation, Dave R Hofman, Darla Fonseca, Jaime Castano, November 10, 2009: US07614294 (12 worldwide citation)

Methods for performing downhole fluid compatibility tests include obtaining an downhole fluid sample, mixing it with a test fluid, and detecting a reaction between the fluids. Tools for performing downhole fluid compatibility tests include a plurality of fluid chambers, a reversible pump and one or ...


5
Soraya Sofia Betancourt, Oliver C Mullins, Ahmed Hammami, John Allan Nighswander, Peter S Hegeman, John Ratulowski, Moin Muhammad, Raymond G Kennedy, Chengli Dong, Erwan Olliero: Fluids chain-of-custody. Schlumberger Technology Corporation, Winstead Sechrest & Minick P C, Bryan P Galloway, Jaime A Castano, January 2, 2007: US07158887 (7 worldwide citation)

A method of assuring the collection of reliable and quality fluid sample includes the steps of acquiring a fluid sample at a point of acquisition, analyzing physical and chemical properties of the fluid sample at the point of acquisition; recording the point of acquisition sample properties in an el ...


6
Mohan K R Panga, Yiyan Chen, Moin Muhammad: Proppant pillar placement in a fracture with high solid content fluid. Schlumberger Technology Corporation, Mathieu Vandermolen, Rachel Greene, Tim Curington, July 14, 2015: US09080440 (3 worldwide citation)

A method of placing proppant into a fracture formed in a subterranean formation from a wellbore is disclosed. The method comprises injecting through the wellbore a first treatment fluid to initiate the fracture in the subterranean formation; injecting through the wellbore a second treatment fluid co ...


7

8

9

10
Jiasen Tan, Ahmed Hammami, Moin Muhammad, Hussein Alboudwarej, Abdel M Kharrat: Compositions and Methods of Using Same in Producing Heavy Oil and Bitumen. Schlumberger Technology Corporation, Schlumberger Canada, December 27, 2007: US20070295640-A1

deposition in a formation, wellbore, near wellbore region, and production tubing. Compositions of the invention comprise an asphaltene solvent and a viscosity reducing agent, the asphaltene solvent and viscosity reducing agent present in a ratio so as to substantially reduce viscosity of an asphalte ...