Business impacts of a record-breaking 3D VSP at the Thunder Horse South Field,  Gulf of Mexico

Joy, Corey; Reitz, Anya; Hartman, Ken

doi:10.1190/segam2018-2998638.1

Cited by 5 publications

(2 citation statements)

References 7 publications

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“…On this project, we had the rare opportunity to conduct a validation with a blind test, as in 2017 a new 3D VSP (Well 822-14) was shot over THS field with objectives to reduce the risk of drilling sub-economic wells and potentially add new targets in the Brown and Peach reservoirs (Joy et al, 2018). As expected for a VSP shot over the same area, TT misfit graphs for the Well 822-14 3D VSP that were not used in the joint tomographic updates, show similar behaviour as these of the Well 822-3 3D VSP shown on Figure 6.…”

Section: Final Model Validation and Resultsmentioning

confidence: 99%

“…The use of highly accurate models is critically important in 3D VSP imaging, especially when VSP images are expected to fill illumination gaps and provide a much higher-resolution images required for identifying and interpreting thin sand beds generally undetectable on surface seismic data. The new 2017 model yielded high-resolution VSP images of exceptional quality and enabled Joy et al (2018) to fully achieve the Well 822-14 3D VSP objectives.…”

Section: Final Model Validation and Resultsmentioning

confidence: 99%

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Improved imaging at Thunder Horse South with joint surface and borehole seismic tomography

Zdraveva¹,

Solano²,

Zaman³

et al. 2019

Proceedings of the 16th International Congress of the Brazilian Geophysical Society&Expogef

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Section: Final Model Validation and Resultsmentioning

confidence: 99%

Section: Final Model Validation and Resultsmentioning

confidence: 99%

Improved imaging at Thunder Horse South with joint surface and borehole seismic tomography

Zdraveva¹,

Solano²,

Zaman³

et al. 2019

Proceedings of the 16th International Congress of the Brazilian Geophysical Society&Expogef

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Development of a subsea distributed acoustic sensing acquisition system

van Gestel,

Soulas,

Naldrett

2024

GEOPHYSICS

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Over the last decade Distributed Acoustic Sensing (DAS) data acquisition has seen great improvements from better interrogators, engineered fiber and lessons learned from subsea installation and acquisition. This has given us confidence that DAS cables can be installed in wells with subsea trees to be used as receivers for Vertical Seismic Profile (VSP) seismic imaging. VSP imaging for deepwater fields has shown to provide better illumination and higher frequency seismic data. Permanent DAS cable installation can be used to acquire highly repeatable time lapse (4D) data. DAS cables were installed in a number of subsea wells on two deepwater oil fields with the intention to cover the crest of these fields with high frequency seismic data. A system was developed to allow for DAS acquisition on these offshore, subsea wells with long distance tie backs using permanently installed interrogators on the floating platforms and engineered fiber in the wells. On each of these fields a DAS cable has now been installed and a subsequently a zero offset (ZO) DAS VSP was acquired for verification and commissioning. These ZO DAS VSP acquisitions showed high fidelity installations resulting in DAS VSP data with excellent data quality. These first subsea DAS acquisitions show great promise and further installations and acquisitions are planned with the ultimate goal of providing high frequency seismic images over the crest of these fields to reduce the uncertainty in decisions around reservoir management and future infill drilling.

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Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

Sayed,

Twynam,

Bachrach

et al. 2023

Third International Meeting for Applied Geoscience &Amp; Energy Expanded Abstracts

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Business impacts of a record-breaking 3D VSP at the Thunder Horse South Field, Gulf of Mexico

Cited by 5 publications

References 7 publications

Improved imaging at Thunder Horse South with joint surface and borehole seismic tomography

Improved imaging at Thunder Horse South with joint surface and borehole seismic tomography

Development of a subsea distributed acoustic sensing acquisition system

Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

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