Reservoir Characterization and Modeling of the Jurassic Smackover and Norphlet Formations, Hatter’s Pond Unit, Mobile County, Alabama

Ginger, Elliott P.; Thomas, Andrew R.; George, W D; Stoudt, Emily L.

doi:10.2110/scn.95.34.0227

Cited by 3 publications

(2 citation statements)

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“…The presence of magnesium-rich, rather than iron-rich, chlorite in Norphlet sandstones can be attributed to interaction of precursor clay and iron oxide rims on detrital grains with saline brines derived from the Louann Salt (Kugler and McHugh, 1990). This interpretation is supported by x-ray diffraction data indicating an increase of breunnerite (a variety of magnesite) in the Norphlet with decreasing distance from the Louann (Ginger et al, 1995).…”

Section: Magnesium-rich Chlorite Coats Formed By Interaction Of Precumentioning

confidence: 67%

Anomalously high porosity and permeability in deeply buried sandstone reservoirs: Origin and predictability

Bloch¹,

Lander²,

Bonnell³

2002

Bulletin

124

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A B S T R A C TPorosity and permeability generally decrease with increasing depth (thermal exposure and effective pressure); however, a significant number of deep (Ͼ4 km [approximately 13,000 ft]) sandstone reservoirs worldwide are characterized by anomalously high porosity and permeability. Anomalous porosity and permeability can be defined as being statistically higher than the porosity and permeability values occurring in typical sandstone reservoirs of a given lithology (composition and texture), age, and burial/temperature history. In sandstones containing anomalously high porosities, such porosities exceed the maximum porosity of the typical sandstone subpopulation.Major causes of anomalous porosity and permeability were identified decades ago; however, quantification of the effect of processes responsible for anomalous porosity and permeability and the assessment of the predictability of anomalous porosity and permeability occurrence in subsurface sandstones have rarely been addressed in published literature. The focus of this article is on quantification and predictability of three major causes of anomalously high porosity: (1) grain coats and grain rims, (2) early emplacement of hydrocarbons, and (3) shallow development of fluid overpressure.Grain coats and grain rims retard quartz cementation and concomitant porosity and permeability reduction by inhibiting precipitation of quartz overgrowths on detrital-quartz grains. Currently, prediction of anomalous porosity associated with grain coats and grain rims is dependent on the availability of empirical data sets. In the absence of adequate empirical data, sedimentologic and diagenetic models can be helpful in assessing risk due to reservoir quality. Such models provide a means to evaluate the effect of geologic constraints on coating occurrence and coating completeness required to preserve economically viable porosity and permeability

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Section: Magnesium-rich Chlorite Coats Formed By Interaction Of Precumentioning

confidence: 67%

Anomalously high porosity and permeability in deeply buried sandstone reservoirs: Origin and predictability

Bloch¹,

Lander²,

Bonnell³

2002

Bulletin

124

View full text Add to dashboard Cite

show abstract

“…IHealing Springs I Bolin et al, 1989) I (Shew, 1991) (Benson et al, 1981;McCaslin, 1981;Petzet, 1985;Galicki, 1986;Worrall, 1988;Murray and Benson, 1990;Murray, 1991;Liro et al, 1993;Ginger et al, 1995) Heidelberg West Hiwannee North Horseshoe Lake IJohns I (McCunn et al, 1982;Galicki, 1986;Barrett, 1987) I none none (Galicki, 1986) Lake Como Lake Utopia Little Mill Creek none (Jackson and Harris, 1982) IMill Creek (AL) Loring Mannassa Melvin Mike Creek (Davis and Lambert, 1963; 1 1985) (Frascogna, 1957;Stuart and Kozik, 1977) none Bolin et al, 1989) none I Missionary I (Fischer, 1974: Galicki, 1986 I M ize Movico Nancy Nancy East Nancy West (Mississippi Geological Society, 1963) (Galicki, 1986;Bolin et al, 1989) (Davis and Lambert, 1963;Fischer, 1978;Jackson and Harris, 1982;Devery, 1987) (Davis and Lambert, 1963;Oxley and Herlihy, 1971;Fischer, 1978;Jackson and Harris, 1982;) (Davis and Lambert, 1963;Jackson and Harris, 1982) I Northeast Melvin I none I Otho Pace Creek Pachuta Creek none Kopaska-Merkel et al, 1992) (Davis and Lambert, 1963;Weber, 1980b, a;Bliefnick and Mariotti, 1988;Evans, 1988 …”

Section: Discussionmentioning

confidence: 99%

Basin Analysis of the Mississippi Interior Salt Basin and Petroleum System Modeling of the Jurassic Smackover Formation, Eastern Gulf Coastal Plain, Final Report and Topical Reports 5-8 on Smackover Petroleum system and Underdevelopment Reservoirs

Mancini¹,

Puckett²,

Parcell³

et al. 2002

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Stratigraphic Correlation Surfaces and 3-D Reservoir Model Construction: Constraints from Walther’s Law Models and Outcrop Analog Data

Kerans¹

1999

Advanced Reservoir Characterization for the 21st Century

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A critical step in 3-D reservoir model construction is interpretation of stratigraphic-framework surfaces that guide data distribution between wells. Application of outcrop-scaled Walther’s Law depositional models that include information on depositional dip and facies-tract width is a basic guide for subsurface correlations. Ramp-crest grainstone complexes from the Permian of the Guadalupe Mountains, southeast New Mexico, and the Cretaceous of the Comanche Shelf, South Texas, form the bases for models with constrained depositional dips and facies-tract widths. Facies partitioning between transgressive and highstand systems tracts (TST and HST) as shown in outcrops of the Comanche Shelf Cretaceous along the Pecos River indicates that Walther’s Law models must be calibrated to the systems tracts level to gain maximum prediction of facies distribution and stratal geometry. Lacking these calibrated Walter’s Law models, correlations tend to produce an overly homogeneous lithostratigraphic correlation scheme, such as that applied to the Permian Seminole San Andres Unit of the Permian Basin.

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Reservoir Characterization and Modeling of the Jurassic Smackover and Norphlet Formations, Hatter’s Pond Unit, Mobile County, Alabama

Cited by 3 publications

References 0 publications

Anomalously high porosity and permeability in deeply buried sandstone reservoirs: Origin and predictability

Anomalously high porosity and permeability in deeply buried sandstone reservoirs: Origin and predictability

Basin Analysis of the Mississippi Interior Salt Basin and Petroleum System Modeling of the Jurassic Smackover Formation, Eastern Gulf Coastal Plain, Final Report and Topical Reports 5-8 on Smackover Petroleum system and Underdevelopment Reservoirs

Stratigraphic Correlation Surfaces and 3-D Reservoir Model Construction: Constraints from Walther’s Law Models and Outcrop Analog Data

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