Practical characterization of eolian reservoirs for development: Nugget Sandstone, Utah—Wyoming thrust belt

Lindquist, Sandra J.

doi:10.1016/0037-0738(88)90059-0

Cited by 55 publications

(41 citation statements)

References 7 publications

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“…Increasingly complex inter relationships would be expected towards the margin of an erg as extra-erg processes interrupt the autocyclic aggradation of the erg. In hydrocarbon reservoirs, large permeability variations characterize the dune and non-dune facies (Lindquist 1988;Martin & Evans 1988;Chandler et al 1989). In order to characterize reservoirs successfully in ergmargin settings, it is necessary to identify the facies geometries by determining whether they result from events of regional or merely local significance.…”

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confidence: 96%

Contrasting styles of fluvial-aeolian interaction at a downwind erg margin: Jurassic Kayenta-Navajo transition, northeastern Arizona, USA

Herries

1993

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Fluvial-aeolian interactions result from both short-term interplay between an ergmargin and adjacent fluvial system, and much longer-term expansion and contraction of the erg in response to climatic, tectonic or eustatic effects.Near Moenkopi, in northeastern Arizona, a zone of intertonguing characterizes the transition between the fluvial Kayenta Formation and the overlying aeolian Navajo Sandstone. Three fluvial to aeolian drying-up cycles form the largest scale interaction and represent the repeated advance of the Navajo erg across the Kayenta alluvial plain, probably in response to an increasingly arid climate. During the aeolian phase of each cycle, small-scale interactions resulted from fore-erg deposition on the alluvial plain, and fluviallyfed interdunal flooding, which both occurred during periods of erg activity.The top of each cycle marked a return to wetter climatic conditions which terminated erg activity, forming a stabilization surface. As a consequence, prograding fluvial systems were able to transgress the denuded surface, covering the area formerly occupied by the erg to form the base of the next drying-up cycle.From a hydrocarbon reservoir viewpoint, the two types of interaction have contrasting geometries. Fluvial deposits of the large-scale cycles have regionally extensive sheet-like geometries and are likely to form widespread barriers to vertical flow. Small-scale interdunal flooding is less significant and forms ribbon-like baffles to flow which extend roughly parallel to the strike of the aeolian cross-strata. The key to differentiating each type of interaction lies in determining whether the fluvial syste coexisted with the active erg, or prograded as a result of erg stabilization.

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confidence: 96%

Contrasting styles of fluvial-aeolian interaction at a downwind erg margin: Jurassic Kayenta-Navajo transition, northeastern Arizona, USA

Herries

1993

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“…Heward 1991), or in the Permian to Jurassic aeolian sequences in the western USA (e.g. Lindquist 1988), now show this to be an oversimplification. Work over the past decade or so has shown that dune grainflow (avalanche) strata display porosities and permeabilities one or more orders of magnitude greater than adjacent dune-apron and interdune sediments (Hunter 1977;Weber 1987;Goggin et al 1988).…”

Section: Fluvial and Aeolian Reservoirsmentioning

confidence: 91%

Characterization of fluvial and aeolian reservoirs: problems and approaches

North

Prosser

1993

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“…Lindquist, 1988;Chandler et al, 1989;Heward, 1991;Howell and Mountney, 2001). Grain-flow strata display significantly higher porosity values than wind-ripple deposits, due to granulometric sorting and looser packing of grain-flow deposits in comparison to wind-ripple deposits (Chandler et al, 1989).…”

Section: Mesoscopic Heterogeneitymentioning

confidence: 96%

Facies architecture and heterogeneity of the fluvial–aeolian reservoirs of the Sergi formation (Upper Jurassic), Recôncavo Basin, NE Brazil

Bongiolo

Scherer

2010

Marine and Petroleum Geology

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Practical characterization of eolian reservoirs for development: Nugget Sandstone, Utah—Wyoming thrust belt

Cited by 55 publications

References 7 publications

Contrasting styles of fluvial-aeolian interaction at a downwind erg margin: Jurassic Kayenta-Navajo transition, northeastern Arizona, USA

Contrasting styles of fluvial-aeolian interaction at a downwind erg margin: Jurassic Kayenta-Navajo transition, northeastern Arizona, USA

Characterization of fluvial and aeolian reservoirs: problems and approaches

Facies architecture and heterogeneity of the fluvial–aeolian reservoirs of the Sergi formation (Upper Jurassic), Recôncavo Basin, NE Brazil

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