Area balance and strain in an extensional fault system: Strategies for improved oil recovery in fractured chalk, Gilbertown Field, southwestern Alabama -- Year 2. Annual report, March 1997--March 1998

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Description

Gilbertown Field is the oldest oil field in Alabama and has produced oil from fractured chalk of the Cretaceous Selma Group and glauconitic sandstone of the Eutaw Formation. Nearly all of Gilbertown Field is still in primary recovery, although waterflooding has been attempted locally. The objective of this project is to analyze the geologic structure and burial history of Mesozoic and Tertiary strata in Gilbertown Field and adjacent areas in order to suggest ways in which oil recovery can be improved. Indeed, the decline of oil production to marginally economic levels in recent years has made this type of analysis ... continued below

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138 p.

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Pashin, J.C.; Raymond, D.E.; Rindsberg, A.K.; Alabi, G.G. & Carroll, R.E. September 1, 1998.

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Description

Gilbertown Field is the oldest oil field in Alabama and has produced oil from fractured chalk of the Cretaceous Selma Group and glauconitic sandstone of the Eutaw Formation. Nearly all of Gilbertown Field is still in primary recovery, although waterflooding has been attempted locally. The objective of this project is to analyze the geologic structure and burial history of Mesozoic and Tertiary strata in Gilbertown Field and adjacent areas in order to suggest ways in which oil recovery can be improved. Indeed, the decline of oil production to marginally economic levels in recent years has made this type of analysis timely and practical. Key technical advancements being sought include understanding the relationship of requisite strain to production in Gilbertown reservoirs, incorporation of synsedimentary growth factors into models of area balance, quantification of the relationship between requisite strain and bed curvature, determination of the timing of hydrocarbon generation, and identification of the avenues and mechanisms of fluid transport.

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138 p.

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OSTI as DE98000533

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  • Other Information: PBD: Sep 1998

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  • Other: DE98000533
  • Report No.: DOE/PC/91008--8
  • Grant Number: AC22-94PC91008
  • DOI: 10.2172/296687 | External Link
  • Office of Scientific & Technical Information Report Number: 296687
  • Archival Resource Key: ark:/67531/metadc675066

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  • September 1, 1998

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  • July 25, 2015, 2:20 a.m.

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  • Jan. 12, 2018, 2:57 p.m.

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Pashin, J.C.; Raymond, D.E.; Rindsberg, A.K.; Alabi, G.G. & Carroll, R.E. Area balance and strain in an extensional fault system: Strategies for improved oil recovery in fractured chalk, Gilbertown Field, southwestern Alabama -- Year 2. Annual report, March 1997--March 1998, report, September 1, 1998; Tuscaloosa, Alabama. (digital.library.unt.edu/ark:/67531/metadc675066/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.