Seismic rock property prediction in forward time based on 4D seismic analysis
US11598893B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2018 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Oct 9, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V2210/6122
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
System and methods for predicting time-dependent rock properties are provided. Seismic data for a subsurface formation is acquired over a plurality of time intervals. A value of at least one rock property of the subsurface formation is calculated for each of the plurality of time intervals, based on the corresponding seismic data acquired for that time interval. At least one of a trend or a spatio-temporal relationship in the seismic data is determined based on the value of the at least one rock property calculated for each time interval. A value of the at least one rock property is estimated for a future time interval, based on the determination. The estimated value of the at least one rock property is used to select a location for a wellbore to be drilled within the subsurface formation. The wellbore is then drilled at the selected location.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.