1
Albert Ballard Andrews, Wei Chuan Shih, Matthew Clayton, Oliver C Mullins: Method and apparatus for oil spill detection. Schlumberger Technology Corporation, February 28, 2012: US08124931 (12 worldwide citation)

The invention relates to a method for detecting the presence of hydrocarbons near an unmanned offshore oil platform. The method steps include monitoring reflected atmospheric and thermal radiation, detecting the presence of hydrocarbons, and generating an alert based on the presence of hydrocarbons.


2
Kentaro Indo, Albert Ballard Andrews, Stephane Vannuffelen, Tsutomu Yamate, Toru Terabayashi, Hideki Kinjo, Oliver C Mullins: Methods and apparatus for multi dimension fluorescence spectrum measurement and correlations downhole. Schlumberger Technology Corporation, Matthias Abrell, Jaime Castano, Dale Gaudier, March 30, 2010: US07687769 (7 worldwide citation)

Some principles described herein contemplate implementation of downhole imaging for the characterization of formation fluid samples in situ, as well as during flow through production tubing, including subsea flow lines, for short term investigation, permanent, and/or long term installations. Various ...


3
Li Jiang, Oliver C Mullins, Gale H Gustavson, Christopher Harrison, Bhavani Raghuraman, Ronald E G Van Hal, Jimmy Lawrence, Kosta Ladavac, Albert Ballard Andrews, Timothy Gareth John Jones, Rogerio Tadeu Ramos: Downhole spectroscopic hydrogen sulfide detection. Schlumberger Technology Corporation, Rachel E Greene, Brigid Laffey, November 15, 2011: US08058071 (6 worldwide citation)

Methods and related apparatuses and mixtures are described for detecting hydrogen sulfide in a formation fluid downhole. A detection mixture is combined with the formation fluid downhole. The detection mixture includes metal ions for reacting with hydrogen sulfide forming a metal sulfide, and charge ...


4
Li Jiang, Oliver C Mullins, Gale H Gustavson, Christopher Harrison, Bhavani Raghuraman, Ronald E G Van Hal, Jimmy Lawrence, Kosta Ladavac, Albert Ballard Andrews, Timothy Gareth John Jones, Rogerio Tadeu Ramos: Downhole spectroscopic hydrogen sulfide detection. Schlumberger Technology Corporation, Jakub Michna, Rachel E Greene, Bridget Laffey, August 27, 2013: US08518702 (4 worldwide citation)

Methods and related apparatuses and mixtures are described for detecting hydrogen sulfide in a formation fluid downhole. A detection mixture is combined with the formation fluid downhole. The detection mixture includes metal ions for reacting with hydrogen sulfide forming a metal sulfide, and charge ...


5
Akira Kamiya, Gary Oddie, Stephane Vannuffelen, Tsutomu Yamate, Oliver C Mullins, Bhavani Raghuraman, Albert Ballard Andrews, Andrew Carnegie, Chengli Dong, Marian Faur, Christopher Harrison, Kentaro Indo, Li Jiang, Michael O Keefe: Downhole fluid analysis for production logging. Schlumberger Technology Corporation, Matthias Abrell, Jaime Castano, Dale Gaudier, January 12, 2010: US07644611 (4 worldwide citation)

A downhole fluid analysis tool capable of fluid analysis during production logging that includes a phase separator and a plurality of sensors to perform analysis on the fluids collected at a subsurface location in a borehole.


6
Kentaro Indo, Albert Ballard Andrews, Stephane Vannuffelen, Tsutomu Yamate, Toru Terabayashi, Hideki Kinjo, Oliver C Mullins: Methods and apparatus for multi dimension fluorescence spectrum measurement downhole. Schlumberger Technology Corporation, Matthias Abrell, Jaime Castano, Dale Gaudier, March 30, 2010: US07687770 (3 worldwide citation)

Some principles described herein contemplate implementation of downhole imaging for the characterization of formation fluid samples in situ, as well as during flow through production tubing, including subsea flow lines, for short term investigation, permanent, and/or long term installations. Various ...


7
Albert Ballard Andrews, Wei Chuan Shih, Matthew Clayton, Oliver C Mullins: Method and apparatus for oil spill detection. Schlumberger Technology Corporation, January 29, 2013: US08362429 (2 worldwide citation)

The invention relates to a method for detecting the presence of hydrocarbons near an unmanned offshore oil platform. The method steps include monitoring reflected atmospheric and thermal radiation, detecting the presence of hydrocarbons, and generating an alert based on the presence of hydrocarbons.


8
Andrew E Pomerantz, Oliver C Mullins, Albert Ballard Andrews, Eric Lehne: Methods for characterization of petroleum reservoirs employing property gradient analysis of reservoir fluids. SCHLUMBERGER TECHNOLOGY CORPORATION, Kenneth L Kincaid, September 13, 2016: US09442217 (1 worldwide citation)

A methodology for reservoir understanding employs analysis of fluid property gradients to investigate and distinguish between non-compartmentalization of the reservoir, compartmentalization of the reservoir, and lack of thermodynamic equilibrium in the reservoir.


9
Ronald E G van Hal, Albert Ballard Andrews, Jeffrey Crank: Gas chromatograph mass spectrometer for downhole applications. SCHLUMBERGER TECHNOLOGY CORPORATION, April 3, 2018: US09932825

Wellbore tools in accordance with the present disclosure may include a gas chromatograph; and a mass spectrometer, wherein the mass spectrometer is configured to operate at a pressure greater than 10−2 Torr. Systems in accordance with the present disclosure may include a gas chromatograph; and a mas ...


10
Albert Ballard Andrews, Andrew Speck: Raman spectroscopy for determination of composition of natural gas. SCHLUMBERGER TECHNOLOGY CORPORATION, October 2, 2018: US10088422

Apparatus and method for Raman-spectrography-based measurement of the composition of gas mixture in a high-temperature borehole. The method includes any of determining molar densities of individual alkanes of the mixture, introducing refractive index corrections, utilization of reference species int ...