1
Toru Terabayashi, Akihito Chikenji, Tsutomu Yamate, Oliver C Mullins, Andrew L Kurkjian, Hani Elshahawi: Methods and apparatus of downhole fluid analysis. Schlumberger Technology Corporation, Matthias Abrell, Jaime Castano, Dale Gaudier, December 9, 2008: US07461547 (60 worldwide citation)

Methods and apparatus for downhole analysis of formation fluids by isolating the fluids from the formation and/or borehole in a pressure and volume control unit that is integrated with a flowline of a fluid analysis module and determining fluid characteristics of the isolated fluids. Parameters of i ...


2
Soraya S Betancourt, Anthony Goodwin, Go Fujisawa, Oliver C Mullins, Hani Elshahawi, Julian Pop, Terizhandur S Ramakrishnan, Li Jiang: Methods and apparatus for the downhole characterization of formation fluids. Schlumberger Technology Corporation, Jody Lynn DeStefanis, William L Wang, David P Gordon, July 25, 2006: US07081615 (22 worldwide citation)

Methods and apparatus for investigating a hydrocarbon bearing geological formation traversed by a borehole are disclosed. A borehole tool is used to acquire a sample of fluid in the formation. Compositional analysis of the fluid sample is conducted to provide a determination of the composition of th ...


3
Hani Elshahawi, Mohamed Naguib Hashem: In-situ fluid compatibility testing using a wireline formation tester. Shell Oil Company, April 16, 2013: US08418546

A method for performing fluid influx tests in a wellbore comprises inserting a well test device into the wellbore such that it separates a well test section from other sections of the wellbore; performing a first fluid influx test during which fluid pressure in the test section is reduced, pore flui ...


4
Soraya S Betancourt, Anthony Goodwin, Go Fujisawa, Oliver C Mullins, Hani Elshahawi, Julian Pop, Terizhandur S Ramakrishnan, Li Jiang: Methods and apparatus for the downhole characterization of formation fluids. Schlumberger Technology Corporation, Intellectual Property Law Department, Schlumberger Doll Research, June 3, 2004: US20040104341-A1

Methods and apparatus for investigating a hydrocarbon bearing geological formation traversed by a borehole are disclosed. A borehole tool is used to acquire a sample of fluid in the formation. Compositional analysis of the fluid sample is conducted to provide a determination of the composition of th ...


5
Toru Terabayashi, Akihito Chikenji, Tsutomu Yamate, Oliver C Mullins, Andrew L Kurkjian, Hani Elshahawi: Methods and apparatus of downhole fluid analysis. Schlumberger, November 2, 2006: US20060243047-A1

Methods and apparatus for downhole analysis of formation fluids by isolating the fluids from the formation and/or borehole in a pressure and volume control unit that is integrated with a flowline of a fluid analysis module and determining fluid characteristics of the isolated fluids. Parameters of i ...


6
Soraya S Betancourt, Anthony Goodwin, Go Fujisawa, Oliver C Mullins, Hani Elshahawi, Julian Pop, Terizhandur S Ramakrishnan, Li Jiang: Methods and apparatus for the downhole characterization of formation fluids. Schlumberger Technology Corporation, Gordon & Jacobson PC, October 12, 2006: US20060226699-A1

Methods and apparatus for investigating a hydrocarbon bearing geological formation traversed by a borehole are disclosed. A borehole tool is used to acquire a sample of fluid in the formation. Compositional analysis of the fluid sample is conducted to provide a determination of the composition of th ...


7
Hani Elshahawi, Mohamed Naguib Hashem: In-situ fluid compatibility testing using a wireline formation tester. Shell Oil Company, September 30, 2010: US20100242586-A1

A method for performing fluid influx tests in a wellbore (3) traversing a permeable formation (4) to test the compatibility of one or more completion fluids comprises: a) inserting a well test device (1) comprising a straddle packer assembly (6A,6B) into the wellbore (3) such that the straddle packe ...