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Deep Reservoir Studies

By: Energy Business Daily

This Deep Reservoir Study project aimed to develop information on reservoirs situated at 15,000 ft and deeper. The goal was to enhance understanding of future drilling targets and aid in future improvements to technology for deep gas exploration and production.

Completed in 2001, the project served as an important source of information to industry and government organizations concerned with development of strategies for recovering natural gas from reservoirs in deep sedimentary U.S. basins. It also served as important reference in the planning and implementation of the DOE Deep Trek Program for advanced deep drilling.

Accomplishments include:

* Assessment of the areal extent of drilling and distribution of deep basins in the US, as well as updates of deep drilling during the 1990s;

* Examination and comparison of six published gas-generation kinetic models with respect to their predictions for timing and quantities of deep gas generation;

* Completion of hydrous-pyrolysis experiments on immature source rocks to assess gas/oil ratios and the effects of kerogen type and thermal maturity during petroleum generation;

* Development of a probabilistic method for subdividing gas resources into depth slices. The method was used to assess deep natural gas across a range of depth intervals with estimates of gas volumes in each interval;

* Analysis of the relative uncertainty of estimates for deep gas in more than 60 plays in the Western Gulf and Louisiana-Mississippi Salt Basin provinces; and

* Evaluation of the role of water on deep, high-rank spent kerogen, as well as the subsequent generation of methane-rich hydrocarbon gas.

Renewable & Alternative Energy Resources: http://www.alternativeenergybase.com

About the Publisher: This report is published by Energy Business Reports, an energy industry think tank and leading source for energy industry information and research products. To read more about this topic, see the report by Energy Business Reports titled: Unconventional Gas Outlook: Resources, Economics, and Technologies 2007


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