1
Michelle Mary Felling, Charles W Morris, Robert J Butsch: Method to improve the quality of a formation fluid sample. Schlumberger Technology Corporation, John J Ryberg, Brigitte L Jeffery, Steven L Christian, January 30, 2001: US06178815 (77 worldwide citation)

The present invention provides a method for improving the quality of a formation fluid sample by taking the sample at a time when the formation fluid composition contains the most favorable portion of hydrocarbons. This task is accomplished by determining in real-time, the composition of the fluid f ...


2
Michelle M Felling, Charles W Morris, Robert J Butsch: Method to improve the quality of a formation fluid sample. Schlumberger Technology Corporation, John J Ryberg, Steven L Christian, JL, February 5, 2002: US06343507 (67 worldwide citation)

The present invention provides a method for improving the quality of a formation fluid sample by taking the sample at a time when the formation fluid composition contains the most favorable portion of hydrocarbons. This task is accomplished by determining in real-time, the composition of the fluid f ...


3
Bobby D Poe, Robert J Butsch: Log permeability model calibration using reservoir fluid flow measurements. Schlumberger Technology Corporation, Stephen Schlather, Robin Nava, February 10, 2004: US06691037 (6 worldwide citation)

This invention relates to methods for calibrating a formation permeability model with respect to data obtained from fluid flow measurements. A method according to the invention includes determining a correlation coefficient for a porosity-irreducible water saturation relationship; determining a lead ...


4
Bobby D Poe, Robert J Butsch: Measuring inflow performance with a neutron logging tool. Schlumberger Technology Corporation, Osha Liang, July 13, 2010: US07755032 (2 worldwide citation)

A method for evaluating an inflow performance for completed intervals in a well includes pulsing neutrons into a fluid flow in the wellbore, detecting gamma rays from decays of nitrogen-16 in the well fluid flow with a first gamma ray detector, determining an in situ water velocity from the measurem ...


5
Bobby D Poe, Robert J Butsch: Measuring inflow performance with a neutron logging tool. Schlumberger Technology Corporation, Schlumberger Oilfield Services, May 17, 2007: US20070108380-A1

A method for evaluating an inflow performance for completed intervals in a well includes pulsing neutrons into a fluid flow in the wellbore, detecting gamma rays from decays of nitrogen-16 in the well fluid flow with a first gamma ray detector, determining an in situ water velocity from the measurem ...