System and method for assessing the presence of hydrocarbons in a subterranean reservoir based on time-lapse seismic data
US10534100B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Oct 26, 2017 |
| Grant date | Jan 14, 2020 |
| Priority date | — |
| Expiry date | Mar 22, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V2210/66
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method is described for a manner of geologic analysis using time-lapse seismic data. The method includes steps to produce improved amplitude versus angle (AVA) information that may be used for analysis of geologic features of interest including estimation of pore fluid content and changes in the pore fluid content. The method assesses the probability of hydrocarbons in a subterranean reservoir based on seismic amplitude variations along offsets or angles for portions of a seismic horizon. The method may be executed by a computer system.
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