1
Tuanfeng Zhang, Neil Francis Hurley, Weishu Zhao: Method to generate numerical pseudocores using borehole images, digital rock samples, and multi-point statistics. Schlumberger Technology Corporation, Bridget Laffey, Jakub M Michna, May 13, 2014: US08725477 (10 worldwide citation)

Methods and systems for creating a numerical pseudocore model, comprising: a) obtaining logging data from a reservoir having depth-defined intervals of the reservoir, and processing the logging data into interpretable borehole image data having unidentified borehole image data; b) examining one of t ...


2
Agathe Robisson, Francois Auzerais, Sudeep Maheshwari, Kuo Chiang Chen, Partha Ganguly, Nitin Vaidya: Oilfield apparatus and method comprising swellable elastomers. Schlumberger Technology Corporation, Bridget Laffey, Rachel E Greene, Jakub Michna, July 23, 2013: US08490707 (6 worldwide citation)

The subject disclosure relates to apparatus and methods that are particularly suited for creating a seal in a borehole annulus. More particularly, the subject disclosure relates to a seal with enhanced sealing capability. In one embodiment the subject disclosure relates to a reinforced and permanent ...


3
Jahir A Pabon, Giorgia Bettin: Energy harvesting from flow-induced vibrations. Schlumberger Technology Corporation, Bridget Laffey, Rachel E Greene, Jakub M Michna, December 10, 2013: US08604634 (5 worldwide citation)

Electrical energy is produced at a remote site by converting kinetic energy from fluid flow to electrical energy using a downhole harvesting apparatus. The downhole harvesting apparatus includes a vibrating sleeve member that vibrates in response to fluid flow through a tubular housing structure. Th ...


4
Andrew E Pomerantz, Jerome Breviere: Fast mud gas logging using tandem mass spectroscopy. Schlumberger Technology Corporation, Bridget Laffey, Rachel E Greene, Jakub Michna, September 17, 2013: US08536524 (5 worldwide citation)

Systems and methods for high speed mud gas logging are described. A general workflow of mud gas logging uses tandem mass spectroscopy. The workflow involves first separating the volatile components of the hydrocarbons (typically C8 and below) from the drilling fluid using a fluid extractor (or degas ...


5
Felix Chen, Gary Corris: Downhole sanding analysis tool. Schlumberger Technology Corporation, Jakub Michna, Rachel E Greene, Bridget Laffey, January 29, 2013: US08364421 (4 worldwide citation)

Methods and devices for detecting particles in a fluid within a medium, such the analyzing device includes: a source adapted to transmit signals into the medium; at least one detector adapted to detect signals transmitted from the source such that the at least one detector and the source are structu ...


6
William H Steinecker, Jagdish Shah, Oleg Zhdaneev, Gordon R Lambertus, Hua Chen: Differential acceleration chromatography. Schlumberger Technology Corporation, Jakub Michna, Rachel E Greene, Bridget Laffey, August 20, 2013: US08512457 (4 worldwide citation)

Methods and related systems are described for improving component separations in chromatography through novel techniques. The improvements in separation is due primarily to the provision of differential acceleration of the components being separated. Various systems and methods for providing differe ...


7
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 ...


8
Julio Guerrero, Franz Hover, Charles Ambler, Brooks Reed, Robert Hummel: Vertical glider robot. Schlumberger Technology Corporation, Massachusetts Institute of Technology, Bridget Laffey, Rachel Greene, Jakub Michna, March 19, 2013: US08397657 (4 worldwide citation)

A subsea vertical glider robot which supports deployment in subsea oilfield activities is disclosed. This vertical glider robot can also be used in oceanographic research exploration. One application of this vertical glider robot is the autonomous delivery of equipment and sensor systems to a precis ...


9
Philip Sullivan, Gary Tustin, Yenny Christanti, Gregory Kubala, Bruno Drochon, Trevor Hughes: Provision of viscous compositions below ground. Schlumberger Technology Corporation, Rachel E Greene, Jakub Michna, Bridget Laffey, August 27, 2013: US08517102 (3 worldwide citation)

A thickened aqueous composition is delivered to a subterranean location accessible via a wellbore by steps of i. providing a biphasic aqueous mixture comprising two aqueous solutions which, at surface temperature and pressure, are able to co-exist as separate aqueous phases in contact with each othe ...


10
Ronald E G van Hal, Jimmy Lawrence, Jane T Lam: System and method for fluid processing with variable delivery for downhole fluid analysis. Schlumberger Technology Corporation, Jakub M Michna, Bridget Laffey, September 9, 2014: US08826981 (3 worldwide citation)

Described herein are variable-volume reservoir (e.g., syringe pump) based processes and systems usable to characterize samples of reservoir fluids, without having to first transport the fluids to the surface. Variable-volume reservoirs are used, for example, for one or more of storing reactants, con ...