1
T S Ramakrishnan, David Rossi, Yogesh Dave, William Murphy, Richard Plumb, Peter Goode, Fikri Kuchuk, James Helwig, Francois M Auzerais, Elizabeth B Dussan V: Integrated permeability measurement and resistivity imaging tool. Schlumberger Technology Corporation, Leonard W Pojunas, David P Gordon, August 9, 1994: US05335542 (79 worldwide citation)

A borehole tool having adjacently located fluid injection/withdrawal apparatus and an electromagnetic measurement apparatus is provided. The electromagnetic measurement apparatus can be an imaging apparatus for helping set the tool in desired locations for permeability testing via fluid injection or ...


2
Raj Kumar Michael Thambynayagam, Peter G Tilke, Ian D Bryant, Francois M Auzerais, Nicholas N Bennett, Terizhandur S Ramakrishnan: Oilfield analysis systems and methods. Schlumberger Technology Corporation, David P Gordon, William B Batzer, John J Ryberg, December 7, 2004: US06829570 (46 worldwide citation)

An oilfield data analysis system is based on a four-tier software model which includes a “shared earth model” and a federation of “directory services”. The first tier is a universal graphical user interface (GUI) which can operate on any inexpensive computer as well as on an expensive workstation, i ...


3
Elizabeth B Dussan V, Francois M Auzerais, William E Kenyon: Apparatus for determining horizontal and/or vertical permeability of an earth formation. Schlumberger Technology Corporation, Marc D Foodman, Leonard W Pojunas, January 18, 1994: US05279153 (44 worldwide citation)

Apparatus for obtaining horizontal and/or vertical permeability measurements through a probe having an elongate aperture. The invention uses the elongate aperture in the probe to orient fluid flow in an earth formation horizontally or vertically. The elongate aperture is approximated through the use ...


4
Francois M Auzerais, Elizabeth B Dussan V: Determining horizontal and/or vertical permeability of an earth formation. Schlumberger Technology Corporation, Bruce D Riter, Marc D Foodman, Leonard W Pojunas, November 23, 1993: US05265015 (38 worldwide citation)

Fluid flow measurements are made in situ using a repeat formation tester with a modified probe aperture, or on rock samples using a mini-permeameter with a modified probe aperture. The modified probe aperture has an elongate cross-section, such as elliptic or rectangular. A first flow measurement is ...


5
Bhavani Raghuraman, Francois M Auzerais: Estimating formation properties in inter-well regions by monitoring saturation and salinity front arrivals. Schlumberger Technology Corporation, Jody Lynn DeStefanis, William B Batzer, Dale Gaudier, May 3, 2005: US06886632 (24 worldwide citation)

A method and system of monitoring the movement of at least one front in an inter-well region is comprised of: providing a first well representing the origination of at least one front (such as a saturation front or a salinity front); providing one or more monitoring locations, each equipped with at ...


6
Julio C Guerrero, Jahir A Pabon, Francois M Auzerais, Kuo Chiang Chen, Kevin J Forbes: Harvesting energy in remote locations. Schlumberger Technology Corporation, Brigid Laffey, Vincent Loccisano, James McAleenan, March 15, 2011: US07906861 (18 worldwide citation)

Electrical energy is produced at a remote site by converting kinetic energy from the environment. The kinetic energy may include vibrations and flow of fluid. In some embodiments the kinetic energy causes magnets to move with respect to coils in order to produce electrical energy. An anchor holds th ...


7
Elizabeth B Dussan V, Francois M Auzerais, Barbara I Anderson: Method and apparatus for determining permeability of subsurface formations. Schlumberger Technology Corporation, Martin M Novack, Leonard W Pojunas, October 31, 1995: US05463549 (15 worldwide citation)

Characteristics of invasion profiles exhibiting effects of gravity, and particularly their manifestations on resistivity logs of a plurality of different radial depths of investigation, are used to determine formation characteristics, including vertical permeability. One embodiment includes the foll ...


8
Richard T Coates, Douglas E Miller, Arthur H Hartog, Colin A Wilson, Dominic Brady, Henry Menkiti, Francois M Auzerais, Ian David Richard Bradford: Detection of seismic signals using fiber optic distributed sensors. Schlumberger Technology Corporation, Brandon S Clark, December 10, 2013: US08605542 (5 worldwide citation)

A fiber optic distributed vibration system for detecting seismic signals in an earth formation is provided. The system includes a fiber optic cable deployed in a borehole that extends into the earth formation and which is configured to react along its length to a seismic wave incident on the fiber o ...


9
Syed Ali, Javier Sanchez Reyes, Mathew M Samuel, Francois M Auzerais: Self-diverting acid treatment with formic-acid-free corrosion inhibitor. Schlumberger Technology Corporation, Martin Rzaniak, David Cate, Robin Nava, March 8, 2011: US07902124 (3 worldwide citation)

A method of treating a subterranean formation penetrated by a wellbore of a well having iron-containing components is carried out by introducing a treatment fluid into the wellbore of the well. The treatment fluid is formed from an aqueous solution, a mineral acid, a viscoelastic surfactant gelling ...


10
Syed Ali, Peter J Photos, Francois M Auzerais, Douglas Pipchuk: Wellbore debris cleanout with coiled tubing using degradable fibers. Schlumberger Technology Corporation, Michael Dae, Daryl Wright, Robin Nava, May 29, 2012: US08186438 (3 worldwide citation)

The current application discloses a method of removing debris from a wellbore including contacting debris in a wellbore with a treatment fluid, wherein the fluid contains degradable fibers, collecting at least a portion of the treatment fluid, and allowing the degradable fibers to degrade. The curre ...