Time‐lapse seismic makes a significant business impact at Holstein

Ebaid, Hesham; Nasser, Mosab; Hatchell, Paul; Stanley, Darrell

doi:10.1190/1.3255661

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Ways To Improve Repeatability1

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Cited by 8 publications

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“…The streamer vessel was steered in the second pass for optimum repeatability of the receiver positions. Ebaid et al (2009) report that this method led to an average Nrms value of 0.23, which is considered excellent for the deepwater environment of the Gulf of Mexico. The time-lapse data influenced decisions on injectors, increased the probability of success, and highlighted new target locations.…”

Section: Ways To Improve Repeatabilitymentioning

confidence: 96%

3D Seismic Survey Design, Second edition

Vermeer¹

2012

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Section: Ways To Improve Repeatabilitymentioning

confidence: 96%

3D Seismic Survey Design, Second edition

Vermeer¹

2012

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Review Paper: A semi‐empirical model of strain sensitivity for 4D seismic interpretation

MacBeth

Kudarova

Hatchell

2018

Geophysical Prospecting

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We reformulate the original model of Hatchell and Bourne and Røste, Stovas and Landrø that couples fractional velocity change to subsurface strain via a fundamental constant R. The new model combines elastic compressibility of a dual‐porosity system for a sand–shale mixture with horizontal planes of inter‐granular weakness. The majority of observed R‐factor magnitudes from post‐stack 4D seismic data in both the reservoir and overburden can thus be explained. R is predicted to depend strongly on lithology and also initial strain state. The model is also extended to predict the observed angle‐dependence of time‐lapse time‐shifts from pre‐stack data. An expression for the gradient of time‐shift with incidence angle is obtained in terms of the background VP/VS, and also the ratio of tangential to normal compliances BT/BN representing loss or creation of inter‐granular coupling. If accurately estimated from data, this compliance ratio can be used as an additional parameter to assess the post‐production state of the overburden. It is concluded that whilst R remains the over‐arching parameter controlling the magnitude of time‐shifts measured from 4D seismic data, BT/BN is a subtler parameter that may also prove of future value.

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Seismic reservoir monitoring with permanent encoded seismic arrays

Ayeni

2010

SEG Technical Program Expanded Abstracts 2010

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Time‐lapse seismic makes a significant business impact at Holstein

Cited by 8 publications

References 3 publications

3D Seismic Survey Design, Second edition

3D Seismic Survey Design, Second edition

Review Paper: A semi‐empirical model of strain sensitivity for 4D seismic interpretation

Seismic reservoir monitoring with permanent encoded seismic arrays

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