Shell Oil Comapny

Massachusetts Institute of Technology

Shell Internationale Research Maatschappij, B.v.

Theodericus Johannes Henricus Smit

Saad Jamil Saleh

Ronny Hofmann

Calum Ian Macaulay

Neil Robert Braunsdorf

Lubomyr Taras Bryndzia

William T Freeman

Frederic Durand

Neal Wadhwa

Boris Nikolaevich Kuvshinov

Oral Buyukozturk

Justin Gejune Chen

John William Fisher, Iii

James Long

Reza Mohammadi Ghazi

Edward Karl Biegert

Brian Harvey Hoffe

Hossein Mobahi

Sergio Daniel Kapusta

Ezequiel Francisco Gonzalez San Miguel

Mikhail Garievich Danilouchkine

Robert Van Es

Zoran Dzunic

Horng Jye Hwang

Structural health monitoring (SHM) is essential but can be expensive to perform. In an embodiment, a method includes sensing vibrations at a plurality of locations of a structure by a plurality of time-synchronized sensors. The method further includes determining a first set of dependencies of all sensors of the time-synchronized sensors at a first sample time to any sensors of a second sample time, and determining a second set of dependencies of all sensors of the time-synchronized sensors at the second sample time to any sensors of a third sample time. The second sample time is later than the first sample time, and the third sample time is later than the second sample time. The method then determines whether the structure has changed if the first set of dependencies is different from the second set of dependencies. Therefore, automated SHM can ensure safety at a lower cost to building owners.

Motion sensing wi-fi sensor networks for continuous 3D modeling and prediction of facility responses to disturbances

Seismic pulses are emitted are emitted with consecutive time intervals that follow a pattern described by several Golomb rulers, wherein at least two of the Golomb rulers have at least four marks, such that pair-wise time intervals between seismic pulse emissions are different, to distinguish seismic reflections stemming from different seismic pulses and/or seismic sources from each other. This allows executing seismic surveys with several simultaneously operated seismic source arrays, thereby reducing the survey cost. In a marine environment the seismic sources may be air-gun arrays towed by one or more vessels, and the method can be also applied onshore.

Seismic acquisition method and system

A method of determining the in situ pressure of a light hydrocarbon in a shale source rock formation comprising: providing an inclusion comprising the light hydrocarbon trapped within the inclusion; using Raman spectroscopy to determine the density and composition of the light hydrocarbon trapped within the inclusion; and calculating a pressure of the light hydrocarbon in the shale source rock formation based upon the density and composition of the light hydrocarbon trapped within the inclusion.

Methods for estimating resource density using raman spectroscopy of inclusions in shale resource plays

Methods for constraining basin models to forecast the presence and maturity of hydrocarbon in a basin. The method involves determining a Curie depth at a location at the basin, constraining basin models to match the Curie depth at the location and determining the presence of hydrocarbon in the basin based on the basin models constrained by Curie depth.

Method to constrain a basin model with curie depth

A method of evaluating a shale source rock formation comprising: determining in situ partial pressures of a light hydrocarbon utilizing a downhole Raman tool and producing a map of spatial and vertical variations of the in situ partial pressures of the light hydrocarbon in the shale source rock formation.

Methods for estimating resource density by integrating seismic methods with fluid density and pressure in shale resource plays

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Rijswijk, Netherlands

Theodericus Johannes Henricus Smit