About This Item
- Full TextFull Text(subscription required)
- Pay-Per-View PurchasePay-Per-View
Purchase Options Explain
Share This Item
The AAPG/Datapages Combined Publications Database
AAPG Special Volumes
Abstract
Geesaman, Richard C., and James L. Wilson,
DOI:10.1306/13331523M983517
2012 by The American Association of Petroleum Geologists.
Facies Belts, Microfacies, and Karst Features of the Ellenburger Group, Kerr Basin, Texas: Observations Based on Cores
Richard C. Geesaman,1 James L. Wilson2
1Geologic Consultant, Boulder, Colorado, U.S.A.
2Consultant, New Braunfels, Texas, U.S.A.; Deceased
ABSTRACT
The carbonate-dominated strata of the Lower Ordovician Ellenburger Group have an excellent potential for containing significant reserves of hydrocarbons in the sparsely explored Kerr Basin of southwestern Texas. The Kerr Basin is located east of and adjacent to the Val Verde Basin and is characterized by a similar tectonic history and resultant structural style. Moreover, the Ellenburger strata in the Kerr Basin consist of numerous stacked upward-shallowing parasequences similar to those making up the Ellenburger Group in the Val Verde Basin. Karst-related dissolution and collapse overprint much of the Ellenburger carbonates, locally resulting in porous breccias, cave fill, and/or fractured cave roofs. In summary, the Ellenburger strata of the Kerr Basin were deposited in similar environments, are composed of the same lithologic components, and have been exposed to similar diagenetic processes as equivalent strata in the adjacent Val Verde Basin. Therefore, a strong likelihood exists that reservoir-quality porosity and permeability will be preserved in the subsurface and that these reservoirs will be hydrocarbon productive in structural closures in this frontier basin.
Pay-Per-View Purchase Options
The article is available through a document delivery service. Explain these Purchase Options.
| Watermarked PDF Document: $14 | |
| Open PDF Document: $24 |