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公开(公告)号:US09921321B2
公开(公告)日:2018-03-20
申请号:US14914443
申请日:2014-08-25
Applicant: SHELL OIL COMPANY
Inventor: Boris Nikolaevich Kuvshinov , Mikhail Garievich Danilouchkine , Robert Van Es , Theodericus Johannes Henricus Smit , Horng Jye Hwang
CPC classification number: G01V1/005 , G01V1/137 , G01V1/3808
Abstract: 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.
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公开(公告)号:US09857500B2
公开(公告)日:2018-01-02
申请号:US14366320
申请日:2012-12-17
CPC classification number: G01V3/38 , G01V3/081 , G01V99/005
Abstract: 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.
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公开(公告)号:US10997329B2
公开(公告)日:2021-05-04
申请号:US15012463
申请日:2016-02-01
Applicant: Massachusetts Institute of Technology , Shell Oil Company
Inventor: William T. Freeman , Oral Buyukozturk , John W. Fisher, III , Frederic Durand , Hossein Mobahi , Neal Wadhwa , Zoran Dzunic , Justin G. Chen , James Long , Reza Mohammadi Ghazi , Theodericus Johannes Henricus Smit , Sergio Daniel Kapusta
Abstract: 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.
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公开(公告)号:US09909409B2
公开(公告)日:2018-03-06
申请号:US14501363
申请日:2014-09-30
Applicant: Shell Oil Company
Inventor: Lubomyr Taras Bryndzia , Saad Jamil Saleh , Calum Ian Macaulay , Neil Robert Braunsdorf , Theodericus Johannes Henricus Smit , Ronny Hofmann
CPC classification number: E21B47/06 , G01N33/241
Abstract: 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.
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公开(公告)号:US09684092B2
公开(公告)日:2017-06-20
申请号:US14501374
申请日:2014-09-30
Applicant: Shell Oil Company
Inventor: Lubomyr Taras Bryndzia , Saad Jamil Saleh , Calum Ian Macaulay , Neil Robert Braunsdorf , Theodericus Johannes Henricus Smit , Ronny Hofmann , Brian Harvey Hoffe , Ezequiel Francisco Gonzalez San Miguel
Abstract: 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.
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