Characterization of oil and gas reservoir heterogeneity
Description
Research described In this report addresses the internal architecture of two specific reservoir types: restricted-platform carbonates and fluvial-deltaic sandstones. Together, these two reservoir types contain more than two-thirds of the unrecovered mobile oil remaining ill Texas. The approach followed in this study was to develop a strong understanding of the styles of heterogeneity of these reservoir types based on a detailed outcrop description and a translation of these findings into optimized recovery strategies in select subsurface analogs. Research targeted Grayburg Formation restricted-platform carbonate outcrops along the Algerita Escarpment and In Stone Canyon In southeastern New Mexico and Ferron deltaic sandstones … continued below
Physical Description
Pages: (219 p)
Creation Information
Tyler, N.; Barton, M. D.; Bebout, D. G.; Fisher, R. S.; Grigsby, J. D.; Guevara, E. et al. October 1, 1992.
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- United States. Department of Energy. DOE; USDOE, Washington, DC (United States)
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University of Texas at Austin. Bureau of Economic Geology.
Publisher Info: Texas Univ., Austin, TX (United States). Bureau of Economic GeologyPlace of Publication: Austin, Texas
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Description
Research described In this report addresses the internal architecture of two specific reservoir types: restricted-platform carbonates and fluvial-deltaic sandstones. Together, these two reservoir types contain more than two-thirds of the unrecovered mobile oil remaining ill Texas. The approach followed in this study was to develop a strong understanding of the styles of heterogeneity of these reservoir types based on a detailed outcrop description and a translation of these findings into optimized recovery strategies in select subsurface analogs. Research targeted Grayburg Formation restricted-platform carbonate outcrops along the Algerita Escarpment and In Stone Canyon In southeastern New Mexico and Ferron deltaic sandstones in central Utah as analogs for the North Foster (Grayburg) and Lake Creek (Wilcox) units, respectively. In both settings, sequence-stratigraphic style profoundly influenced between-well architectural fabric and permeability structure. It is concluded that reservoirs of different depositional origins can therefore be categorized Into a heterogeneity matrix'' based on varying intensity of vertical and lateral heterogeneity. The utility of the matrix is that it allows prediction of the nature and location of remaining mobile oil. Highly stratified reservoirs such as the Grayburg, for example, will contain a large proportion of vertically bypassed oil; thus, an appropriate recovery strategy will be waterflood optimization and profile modification. Laterally heterogeneous reservoirs such as deltaic distributary systems would benefit from targeted infill drilling (possibly with horizontal wells) and improved areal sweep efficiency. Potential for advanced recovery of remaining mobile oil through heterogeneity-based advanced secondary recovery strategies In Texas is projected to be an Incremental 16 Bbbl. In the Lower 48 States this target may be as much as 45 Bbbl at low to moderate oil prices over the near- to mid-term.
Physical Description
Pages: (219 p)
Notes
OSTI; NTIS; GPO Dep.
Subjects
Keywords
- Carbonate Rocks
- Data
- Developed Countries
- Diagenesis
- Document Types
- Engineering
- Experimental Data
- Federal Region Vi
- Federal Region Viii
- Fluid Flow
- Geologic Deposits
- Geology
- Heterogeneous Effects
- Information
- Mineral Resources
- Natural Gas Deposits
- New Mexico
- North America
- Numerical Data
- Permeability
- Petroleum Deposits
- Progress Report
- Reservoir Engineering
- Reservoir Rock
- Resources
- Rocks
- Sandstones
- Sedimentary Rocks
- Stratigraphy
- Texas
- Us Gulf Coast
- Usa 020200* -- Petroleum-- Reserves, Geology, & Exploration
- Utah
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- Other: DE92001072
- Report No.: DOE/BC/14403-3
- Grant Number: FG22-89BC14403
- Digital Object Identifier: https://doi.org/10.2172/7244979
- Office of Scientific & Technical Information Report Number: 7244979
- Archival Resource Key: ark:/67531/metadc1446163
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- October 1, 1992
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- Feb. 10, 2019, 8:45 p.m.
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- June 3, 2021, 9:41 a.m.
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Tyler, N.; Barton, M. D.; Bebout, D. G.; Fisher, R. S.; Grigsby, J. D.; Guevara, E. et al. Characterization of oil and gas reservoir heterogeneity, report, October 1, 1992; Austin, Texas. (https://digital.library.unt.edu/ark:/67531/metadc1446163/: accessed May 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.