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Hydrogeochemistry of the Antrim Shale, Northern...

SKU: GRI-95/0251
Hydrogeochemistry of the Antrim Shale, Northern Michigan Basin. Phase 1. Volume 1 and Volume 2 - Appendices

A detailed study of Antrim gas and water chemistry associated with the established northern producing trend in Michigan Basin was carried out to document gradients in fluid chemistry over the producing trend, to relate these geochemical gradients to fracture networks or structures within the reservoir, and to establish their significance relative to the hydrology of the Antrim and gas production potential of the unit.
Document Type
Report
Report Type
Annual Report
Report Period
09/93 - 05/95
Corporate Source
University of Michigan, Department of Geological Sciences, Ann Arbor, MI
Sponsor
Gas Research Institute, Chicago, IL
Pagination
270p
Product Media
PDF Download
$295.00 / Each
 
Availability: In Stock
Summary:
An investigation of the controls on gas production in Antrim Shale is presented. A detailed study of Antrim gas and water chemistry associated with the established northern producing trend in Michigan Basin was carried out to document gradients in fluid chemistry over the producing trend, to relate these geochemical gradients to fracture networks or structures within the reservoir, and to establish their significance relative to the hydrology of the Antrim and gas production potential of the unit. Phase I integrated data sets on water chemistry, gas composition, geologic framework, hydrology, rock properties, and gas production. Phase II is expected to continue the water and gas analyses coupled with the regional geologic and petrophysical framework to determine whether these controls are important for Devonian shale gas production in the southern Michigan Basin and Illinois Basin. The results of Phase I reveal that Antrim formation waters represent a mixture of relatively recently recharged fresh waters with bromine-rich brines like those from deeper Devonian strata. Best gas production is associated with waters of elevated bicarbonate and moderate salinity. A number of tabular and graphic appendixes, included in this report, are labeled "Volume II."
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