Sedimentological parameterization of shallow-marine reservoirs

Howell, John; Skorstad, A.; MacDonald, A.C.; Fordham, Alex; Flint, Stephen S.; Fjellvoll, Bjørn; Manzocchi, Tom

doi:10.1144/1354-079307-787

Cited by 111 publications

(112 citation statements)

References 41 publications

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“…3a). SMAKS depositional tracts largely correspond with the 'facies tracts' of several authors (e.g., Shanley & McCabe 1991;Gardner et al 1992;Howell et al 2008), and with the 'zones' of Vakarelov & Ainsworth (2013). Although depositional tracts are loosely defined in terms of genetic significance, they are particularly convenient for performing database filtering on environmental criteria, and represent useful containers of data that find application in reservoir-modelling practice (cf.…”

Section: Smaks Depositional Tractsmentioning

confidence: 84%

“…Although depositional tracts are loosely defined in terms of genetic significance, they are particularly convenient for performing database filtering on environmental criteria, and represent useful containers of data that find application in reservoir-modelling practice (cf. MacDonald & Aasen 1994;Howell et al 2008). …”

Section: Smaks Depositional Tractsmentioning

confidence: 99%

“…Wood 2004); (v) to condition static reservoir models (cf. Howell et al 2008;. Ancient and modern analogues are generally characterized through a number of approaches and at multiple scales of observation (e.g., sedimentary facies and architectural-element analysis of ancient outcrop successions, mapping key stratal surfaces at outcrop or in seismic data to erect a sequence stratigraphic framework, analysis of aerial photographs or satellite imagery of modern environments).…”

Section: Introductionmentioning

confidence: 99%

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The Shallow-Marine Architecture Knowledge Store: A database for the characterization of shallow-marine and paralic depositional systems

Colombera

Mountney

Hodgson

et al. 2016

Marine and Petroleum Geology

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The Shallow-Marine Architecture Knowledge Store (SMAKS) is a relational database devised for the storage of hard and soft data on the sedimentary architecture of ancient shallow-marine and paralic siliciclastic successions, and on the geomorphological organization of corresponding modern environments. The database allows incorporation of data from the published literature, which are uploaded to a common standard to ensure consistency in data definition. The database incorporates data on geological entities of varied nature and scale (i.e., surfaces, depositional tracts, architectural elements, sequence stratigraphic units, facies units, geomorphic elements), including attributes that characterize their type, geometry, spatial relations, hierarchical relations, and temporal significance. Furthermore, geological entities are assigned to depositional systems, or to parts thereof, that can be classified on multiple parameters (e.g., shelf width, delta catchment area) tied to metadata (e.g., data types, data sources).The SMAKS permits the quantitative characterization of modern and ancient shallow-marine and paralic clastic depositional systems. It aims to serves as a repository of analogue information for hydrocarbon-bearing successions, and as a research tool, applicable to aid the development of facies models or to assess the sensitivity of depositional systems to particular controlling factors, for example.To demonstrate the wide applicability of the database in fields of both fundamental and applied research, example database output is presented that (i) includes data from wave-, tide-, and fluvial-dominated shallow seas and sedimentary successions, and (ii) covers a wide depositional spectrum, from backshore to shelf-edge settings. The examples include information on the facies organization of different types of paralic sub-environments, on the hierarchical arrangement of architectural elements that form deltaic constructional units in Quaternary deltas, on the morphometry of modern and Quaternary tidal sand ridges, and on the geometry of parasequence-scale nearshore sandstone belts from the Upper Cretaceous of the Western Interior Seaway in Utah (USA).

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Section: Smaks Depositional Tractsmentioning

confidence: 84%

Section: Smaks Depositional Tractsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Shallow-Marine Architecture Knowledge Store: A database for the characterization of shallow-marine and paralic depositional systems

Colombera

Mountney

Hodgson

et al. 2016

Marine and Petroleum Geology

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show abstract

“…An alternative perspective, of particular relevance for applications, is gained by recalling that the coefficient a is itself often given to only a very low accuracy [15]. Thus, considering the approximation pair (u * h , q * h ), it is possible to ask if there exists a (symmetric) tensor field a * such that…”

Section: An a Posteriori Estimate By Backward Error Analysismentioning

confidence: 99%

Inexact linear solvers for control volume discretizations in porous media

Keilegavlen

Nordbotten

2014

Comput Geosci

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We discuss the construction of multi-level inexact linear solvers for control volume discretizations for porous media. The methodology forms a contrast to standard iterative solvers by utilizing an algebraic hierarchy of approximations which preserve the conservative structure of the underlying control volume. Our main result is the generalization of multiscale control volume methods as multilevel inexact linear solvers for conservative discretizations through the design of a particular class of preconditioners. This construction thereby bridges the gap between multiscale approximation and linear solvers. The resulting approximation sequence is referred to as inexact solvers. We seek a conservative solution, in the sense of controlvolume discretizations, within a prescribed accuracy. To this end, we give an abstract guaranteed a posteriori error bound relating the accuracy of the linear solver to the underlying discretization. These error bounds are explicitly computable for the grids considered herein. The afore-mentioned hierarchy of conservative approximations can also be considered in the context of multi-level upscaling, and this perspective is highlighted in the text as appropriate. The new construction is supported by numerical examples highlighting the performance of the inexact linear solver realized in both a multi-and two-level context for two-and threedimensional heterogeneous problems defined on structured and unstructured grids. The numerical examples assess the performance of the approach both as an inexact solver, as well in comparison to standard algebraic multigrid methods.

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“…These reservoirs typically have simpler depositional architectures and are therefore easier to produce than reservoirs within fluvialand tide-dominated shoreline systems (Ainsworth et al 2005;Martinius et al, 2005;Howell et al, 2008a;Howell et al, 2008b;). Wave-dominated shallow marine systems are commonly treated as "tanks of sand", in which the shoreface is modeled as a shore-parallel belt of homogeneous sandstone (MacDonald and Aasen 1994;Howell et al, 2008a). While such an approach may be justified, recent studies (e.g.…”

Section: Introductionmentioning

confidence: 99%

Distribution of discontinuous mudstone beds within wave-dominated shallow-marine deposits: Star Point Sandstone and Blackhawk Formation, Eastern Utah, USA

Eide¹,

Howell²,

Buckley³

2017

Preprint

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Deposits of wave-dominated shorelines are typically considered to act as relatively simple hydrocarbon reservoirs and are commonly modeled as "tanks of sand". However, important heterogeneities that can act as barriers to fluid flow occur at the parasequence, bedset and bed scales, especially in viscous oil or low permeability oil fields. Heterogeneities at the parasequence and bedset scale have been well-studied, but discontinuous mudstone-beds occurring within the shoreface have received little attention.The Book Cliffs and Wasatch Plateau are among the best exposed and most well-studied deposits of wave-dominated shallow-marine systems in the world. Two parasequences within these outcrops have been studied in detail to investigate the distributions of intrashoreface shales and to propose models for the controls on their distribution. A dataset consisting of 30 km of virtual outcrops derived from oblique helicopter-mounted lidar scanning with supporting stratigraphic sections makes it possible to collect a large quantity of accurate geometric data of depositional elements from inaccessible cliffs.A total of 921 discontinuous mudstone beds were measured. These occur as ellipses with long axes oriented normal to the paleoshoreline. Lengths and widths of these mudstone beds exhibit a lognormal distribution, with means of 21.9 and 13.8 m respectively. Within the shoreface succession, the number of mudstone beds increases downwards while size does not vary significantly with stratigraphic height. There is an average of 100 m cumulative length of shale per 100m of horizontal outcrop; this increases threefold near both wave-dominated deltas and bedset boundaries that reflect minor sea-level fluctuations during progradation.

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Sedimentological parameterization of shallow-marine reservoirs

Cited by 111 publications

References 41 publications

The Shallow-Marine Architecture Knowledge Store: A database for the characterization of shallow-marine and paralic depositional systems

The Shallow-Marine Architecture Knowledge Store: A database for the characterization of shallow-marine and paralic depositional systems

Inexact linear solvers for control volume discretizations in porous media

Distribution of discontinuous mudstone beds within wave-dominated shallow-marine deposits: Star Point Sandstone and Blackhawk Formation, Eastern Utah, USA

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