Class VI Database project: Drill-stem test data from Sweetwater County, Wyoming, USAMendeley Data

Drill-stem test (DST) data are used to evaluate formation pressures and other reservoir properties, providing critical insights into subsurface conditions. We present a digital dataset of legacy DST reports comprising 336 individual tests from 192 wells in Sweetwater County within the Greater Green...

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Bibliographic Details
Main Authors: Abdeldjalil Latrach, Lily J. Jackson, Christian Martinez
Format: Article
Language:English
Published: Elsevier 2025-08-01
Series:Data in Brief
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Online Access:http://www.sciencedirect.com/science/article/pii/S2352340925004287
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Summary:Drill-stem test (DST) data are used to evaluate formation pressures and other reservoir properties, providing critical insights into subsurface conditions. We present a digital dataset of legacy DST reports comprising 336 individual tests from 192 wells in Sweetwater County within the Greater Green River Basin of Wyoming, USA. For each DST, we provide both the digitized raw DST time-series data and in-situ reservoir pressures calculated using Horner’s analysis. Other key information includes well API numbers, locations, tested formations, depth intervals, and detailed test results including flow and shut-in periods with corresponding time and pressure data. This dataset was primarily collected to help with the Class VI filing process for new carbon storage wells but has significant reuse potential for applications such as developing regional pressure profiles, validating reservoir simulation models, and analyzing legacy well performance. By providing access to this dataset, the Class VI Database project aims to support subsurface characterization and resource evaluation efforts for carbon storage projects, conventional oil and gas activities, and geothermal energy.
ISSN:2352-3409