Publications
139 results found
Patruno S, Hampson GJ, Jackson CA, et al., 2015, Clinoform geometry, geomorphology, facies character and stratigraphic architecture of a sand‐rich subaqueous delta: Jurassic Sognefjord Formation, offshore Norway, Sedimentology, Vol: 62, Pages: 350-388, ISSN: 0037-0746
<jats:title>Abstract</jats:title><jats:p>The integration of core sedimentology, seismic stratigraphy and seismic geomorphology has enabled interpretation of delta‐scale (i.e. tens of metres high) subaqueous clinoforms in the upper Jurassic Sognefjord Formation of the Troll Field. Mud‐prone subaqueous deltas characterized by a compound clinoform morphology and sandy delta‐scale subaqueous clinoforms are common in recent tide‐influenced, wave‐influenced and current‐influenced settings, but ancient examples are virtually unknown. The data presented help to fully comprehend the criteria for the recognition of other ancient delta‐scale subaqueous clinoforms, as well as refining the depositional model of the reservoir in the super‐giant Troll hydrocarbon field. Two 10 to 60 m thick, overall coarsening‐upward packages are distinguished in the lower Sognefjord Formation. Progressively higher energy, wave‐dominated or current‐dominated facies occur from the base to the top of each package. Each package corresponds to a set of seismically resolved, westerly dipping clinoforms, the bounding surfaces of which form the seismic ‘envelope’ of a clinoform set and the major marine flooding surfaces recognized in cores. The packages thicken westwards, until they reach a maximum where the clinoform ‘envelope’ rolls over to define a topset–foreset–toeset geometry. All clinoforms are consistently oriented sub‐parallel to the edge of the Horda Platform (N005–N030). In the eastern half of the field, individual foresets are relatively gently dipping (1° to 6°) and bound thin (10 to 30 m) clinothems. Core data indicate that these proximal clinothems are dominated by fine‐grained, hummocky cross‐stratified sandstones. Towards the west, clinoforms gradually become steeper (5° to 14°) and bound thicker (15 to 60 m) clinothems that comprise medium‐grained, cross‐bedded sandstones. Topsets are consistently
Hampson GJ, Morris JE, Johnson HD, 2015, Synthesis of time-stratigraphic relationships and their impact on hydrocarbon reservoir distribution and performance, Bridport Sand Formation, Wessex Basin, UK, Publisher: Geological Society of London, Pages: 199-222
Holgate NE, Hampson GJ, Jackson CA-L, et al., 2014, Constraining uncertainty in interpretation of seismically imaged clinoforms in deltaic reservoirs, Troll field, Norwegian North Sea: Insights from forward seismic models of outcrop analogs, AAPG BULLETIN, Vol: 98, Pages: 2629-2663, ISSN: 0149-1423
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- Citations: 20
Hampson GJ, Duller RA, Petter AL, et al., 2014, Mass-Balance Constraints On Stratigraphic Interpretation of Linked Alluvial-Coastal-Shelfal Deposits From Source To Sink: Example From Cretaceous Western Interior Basin, Utah and Colorado, U.S.A, Journal of Sedimentary Research, Vol: 84, Pages: 935-960, ISSN: 1527-1404
Mannie AS, Jackson CA-L, Hampson GJ, 2014, Shallow-marine reservoir development in extensional diapir-collapse minibasins: An integrated subsurface case study from the Upper Jurassic of the Cod terrace, Norwegian North Sea, AAPG BULLETIN, Vol: 98, Pages: 2019-2055, ISSN: 0149-1423
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- Citations: 12
Mannie AS, Jackson CA, Hampson GJ, 2014, Structural controls on the stratigraphic architecture of net‐transgressive shallow‐marine strata in a salt‐influenced rift basin: Middle‐to‐Upper Jurassic Egersund Basin, Norwegian North Sea, Basin Research, Vol: 26, Pages: 675-700, ISSN: 0950-091X
<jats:title>Abstract</jats:title><jats:p>In this study, we integrate 3D seismic reflection, wireline log, biostratigraphic and core data from the <jats:styled-content style="fixed-case">E</jats:styled-content>gersund <jats:styled-content style="fixed-case">B</jats:styled-content>asin, <jats:styled-content style="fixed-case">N</jats:styled-content>orwegian <jats:styled-content style="fixed-case">N</jats:styled-content>orth <jats:styled-content style="fixed-case">S</jats:styled-content>ea to determine the impact of syn‐depositional salt movement and associated growth faulting on the sedimentology and stratigraphic architecture of the <jats:styled-content style="fixed-case">M</jats:styled-content>iddle‐to‐<jats:styled-content style="fixed-case">U</jats:styled-content>pper <jats:styled-content style="fixed-case">J</jats:styled-content>urassic, net‐transgressive, syn‐rift succession. Borehole data indicate that <jats:styled-content style="fixed-case">M</jats:styled-content>iddle‐to‐<jats:styled-content style="fixed-case">U</jats:styled-content>pper <jats:styled-content style="fixed-case">J</jats:styled-content>urassic strata consist of low‐energy, wave‐dominated offshore and shoreface deposits and coal‐bearing coastal‐plain deposits. These deposits are arranged in four parasequences that are aggradationally to retrogradationally stacked to form a net‐transgressive succession that is up to 150‐m thick, at least 20 km in depositional strike (<jats:styled-content style="fixed-case">SW</jats:styled-content>‐<jats:styled-content style="fixed-case">NE</jats:styled-content>) extent, and >70 km in depositional dip (<jats:styled-content style="fixed-case&qu
Flood YS, Hampson GJ, 2014, Facies And Architectural Analysis To Interpret Avulsion Style and Variability: Upper Cretaceous Blackhawk Formation, Wasatch Plateau, Central Utah, U.S.A, Journal of Sedimentary Research, Vol: 84, Pages: 743-762, ISSN: 1527-1404
Legler B, Hampson GJ, Jackson CA-L, et al., 2014, Facies Relationships and Stratigraphic Architecture of Distal, Mixed Tide- and Wave-Influenced Deltaic Deposits: Lower Sego Sandstone, Western Colorado, U.S.A, Journal of Sedimentary Research, Vol: 84, Pages: 605-625, ISSN: 1527-1404
Agar SM, Hampson GJ, 2014, Fundamental controls on flow in carbonates: an introduction, Petroleum Geoscience, Vol: 20, Pages: 3-5, ISSN: 1354-0793
Fitch PJR, Jackson MD, Hampson GJ, et al., 2014, Interaction of stratigraphic and sedimentological heterogeneities with flow in carbonate ramp reservoirs: impact of fluid properties and production strategy, Petroleum Geoscience, Vol: 20, Pages: 7-26, ISSN: 1354-0793
Deveugle PEK, Jackson MD, Hampson GJ, et al., 2014, A comparative study of reservoir modeling techniques and their impact on predicted performance of fluvial-dominated deltaic reservoirs, AAPG Bulletin, Vol: 98, Pages: 729-763, ISSN: 0149-1423
Multiple techniques are available to construct three-dimensional reservoir models. This study uses comparative analysis to test the impact of applying four commonly used stochastic modcling techniques to capture geologic heterogeneity and fluid-flow behavior in fluvial-dominated deltaic reservoirs of complex facies architecture: (1) sequential indicator simulation; (2) object-based modeling; (3) multiple-point statistics (MPS); and (4) spectral component geologic modeling. A reference for comparison is provided by a high-resolution model of an outcrop analog that captures facies architecture at the scale of parasequences, delta lobes, and fades-association belts. A sparse, pseudosubsurface data set extracted from the reference model is used to condition models constructed using each stochastic reservoir modeling technique. Models constructed using all four algorithms fail to match the facies-association proportions of the reference model because they are conditioned to well data that sample a small, unrepresentative volume of the reservoir. Simulated sweep efficiency is determined by the degree to which the modeling algorithms reproduce two aspects of fades architecture that control sand-body connectivity: (1) the abundance, continuity, and orientation of channelized fluvial sand bodies; and (2) the lateral continuity of barriers to vertical flow associated with flooding surfaces. The MPS algorithm performs best in this regard. However, the static and dynamic performance of the models (as measured against facies-association proportions, facies architecture, and recovery factor of the reference model) is more dependent on the quality and quantity of conditioning data and on the interpreted geologic scenario(s) implicit in the models than on the choice of modeling technique. Copyright ©2014. The American Association of Petroleum Geologists. All rights reserved.
Jackson MD, Hampson GJ, Saunders JH, et al., 2014, Surface-based reservoir modelling for flow simulation, Sediment-body geometry and heterogeneity: analogue studies for modelling the subsurface, Editors: Martinius, Howell, Good, Publisher: Geological Society of London, ISBN: 9781862393721
Rittersbacher A, Buckley SJ, Howell JA, et al., 2014, Helicopter-based laser scanning: a method for quantitative analysis of large-scale sedimentary architecture, Sediment-body geometry and heterogeneity: analogue studies for modelling the subsurface, Editors: Martinius, Howell, Good, Publisher: Geological Society of London, Pages: 185-202, ISBN: 9781862393721
Legler B, Johnson HD, Hampson GJ, et al., 2013, Facies model of a fine‐grained, tide‐dominated delta: Lower Dir Abu Lifa Member (Eocene), Western Desert, Egypt, Sedimentology, Vol: 60, Pages: 1313-1356, ISSN: 0037-0746
<jats:title>Abstract</jats:title><jats:p>Existing facies models of tide‐dominated deltas largely omit fine‐grained, mud‐rich successions. Sedimentary facies and sequence stratigraphic analysis of the exceptionally well‐preserved Late Eocene Dir Abu Lifa Member (Western Desert, Egypt) aims to bridge this gap. The succession was deposited in a structurally controlled, shallow, macrotidal embayment and deposition was supplemented by fluvial processes but lacked wave influence. The succession contains two stacked, progradational parasequence sets bounded by regionally extensive flooding surfaces. Within this succession two main genetic elements are identified: non‐channelized tidal bars and tidal channels. Non‐channelized tidal bars comprise coarsening‐upward sandbodies, including large, downcurrent‐dipping accretion surfaces, sometimes capped by palaeosols indicating emergence. Tidal channels are preserved as single‐storey and multilateral bodies filled by: (i) laterally migrating, elongate tidal bars (inclined heterolithic strata, 5 to 25 m thick); (ii) forward‐facing lobate bars (sigmoidal heterolithic strata, up to 10 m thick); (iii) side bars displaying oblique to vertical accretion (4 to 7 m thick); or (iv) vertically‐accreting mud (1 to 4 m thick). Palaeocurrent data show that channels were swept by bidirectional tidal currents and typically were mutually evasive. Along‐strike variability defines a similar large‐scale architecture in both parasequence sets: a deeply scoured channel belt characterized by widespread inclined heterolithic strata is eroded from the parasequence‐set top, and flanked by stacked, non‐channelized tidal bars and smaller channelized bodies. The tide‐dominated delta is characterized by: (i) the regressive stratigraphic context; (ii) net‐progradational stratigraphic architecture within the succession; (iii) the absence of upward deepening trends and tidal ravinement surfaces; and (iv) architectural relat
Holgate NE, Jackson CA-L, Hampson GJ, et al., 2013, Sedimentology and sequence stratigraphy of the Middle–Upper Jurassic Krossfjord and Fensfjord formations, Troll Field, northern North Sea, Petroleum Geoscience, Vol: 19, Pages: 237-258, ISSN: 1354-0793
Stewart MA, Lonergan L, Hampson G, 2013, 3D seismic analysis of buried tunnel valleys in the central North Sea: morphology, cross-cutting generations and glacial history, Quaternary Science Reviews, Vol: 72, Pages: 1-17, ISSN: 0277-3791
Agar S, Geiger S, Leonide P, et al., 2013, Summary of the AAPG-SPE-SEG Hedberg Research Conference on "Fundamental Controls on Flow in Carbonates", AAPG BULLETIN, Vol: 97, Pages: 533-552, ISSN: 0149-1423
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- Citations: 4
Hampson GJ, Jewell TO, Irfan N, et al., 2013, Modest Change In Fluvial Style With Varying Accommodation In Regressive Alluvial-To-Coastal-Plain Wedge: Upper Cretaceous Blackhawk Formation, Wasatch Plateau, Central Utah, U.S.A, Journal of Sedimentary Research, Vol: 83, Pages: 145-169, ISSN: 1527-1404
HAMPSON GJ, ROYHAN GANI M, SAHOO H, et al., 2012, Controls on large‐scale patterns of fluvial sandbody distribution in alluvial to coastal plain strata: Upper Cretaceous Blackhawk Formation, Wasatch Plateau, Central Utah, USA, Sedimentology, Vol: 59, Pages: 2226-2258, ISSN: 0037-0746
<jats:title>Abstract</jats:title><jats:p>Current models of alluvial to coastal plain stratigraphy are concept‐driven and focus on relative sea‐level as an allogenic control. These models are tested herein using data from a large (<jats:italic>ca</jats:italic> 100 km long and 300 m thick), continuous outcrop belt (Upper Cretaceous Blackhawk Formation, central Utah, USA). Many channelized fluvial sandbodies in the Blackhawk Formation have a multilateral and multistorey internal character, and they generally increase in size and abundance (from <jats:italic>ca</jats:italic> 10% to <jats:italic>ca</jats:italic> 30% of the strata) from base to top of the formation. These regional, low‐resolution trends exhibit much local variation, but are interpreted to reflect progressively decreasing tectonic subsidence in the upper Blackhawk Formation and overlying Castlegate Sandstone. The trend may also incorporate progressively more frequent channel avulsion during deposition of the lower Blackhawk Formation. Laterally extensive coal zones formed on the coastal plain during shallow‐marine transgressions, and define the high‐resolution stratigraphic framework of the lower Blackhawk Formation. Large (up to 25 m thick and 1 to 6 km wide), multistorey, multilateral, fluvial channel‐complex sandbodies that overlie composite erosion surfaces occur at distinct stratigraphic levels, and are interpreted as fluvial incised valley fills. Low amplitude (<30 m) relative sea‐level variations are interpreted as the dominant control on stratigraphic architecture in the lower Blackhawk Formation, which was deposited up to 50 km inland from the coeval shoreline. In contrast, the high‐resolution stratigraphy of the upper Blackhawk Formation is poorly defined, and channelized fluvial sandbodies are poorly organized. Vertical and laterally offset stacking of a small proportion (<10%) of sandbodies produce
Stewart MA, Lonergan L, Hampson GJ, 2012, 3D Seismic Analysis of Buried Tunnel Valleys in the Central North Sea: Tunnel Valley Sedimentary Architecture, Glaciogenic Reservoirs and Hydrocarbon Systems, Editors: Huuse, Redfern, LeHeron, Publisher: Geological Society of London
Fourteen overlapping 3D seismic reflection data sets, originally acquired by the oil and gas industry, were used to image and investigate complex networks of buried tunnel valleys in theUK sector of the Central North Sea. More than 180 individual tunnel valleys were observed andmapped to horizontal resolutions of 12–50 m and vertical resolutions of 8–10 m. The resultspresented here identify three recurring seismic facies that locally define stratigraphic organization from base to top of the buried tunnel valley fills: (i) high-amplitude disrupted units, (ii) a unit containing gently dipping disrupted reflections or transparent facies and (iii) well-layered continuous reflections. A comparison to similar works in the region is used to infer tunnel valley infill during changing depositional conditions from high-energy subglacial meltwater toquiet glaciolacustrine or glaciomarine environments.
Charvin K, Hampson GJ, Gallagher KL, et al., 2011, Characterization of Controls on High-Resolution Stratigraphic Architecture in Wave-Dominated Shoreface-Shelf Parasequences Using Inverse Numerical Modeling, Journal of Sedimentary Research, Vol: 81, Pages: 562-578, ISSN: 1527-1404
Kieft RL, Hampson GJ, Jackson CA-L, et al., 2011, Stratigraphic Architecture of a Net-Transgressive Marginal- to Shallow-Marine Succession: Upper Almond Formation, Rock Springs Uplift, Wyoming, U.S.A., Journal of Sedimentary Research, Vol: 81, Pages: 513-533, ISSN: 1527-1404
Deveugle PEK, Jackson MD, Hampson GJ, et al., 2011, Characterization of stratigraphic architecture and its impact on fluid flow in a fluvial-dominated deltaic reservoir analog: Upper Cretaceous Ferron Sandstone Member, Utah, AAPG Bulletin, Vol: 95, Pages: 693-727, ISSN: 0149-1423
Choi K, Jackson MD, Hampson GJ, et al., 2011, Predicting the impact of sedimentological heterogeneity on gas–oil and water–oil displacements: fluvio-deltaic Pereriv Suite Reservoir, Azeri–Chirag–Gunashli Oilfield, South Caspian Basin, Petroleum Geoscience, Vol: 17, Pages: 143-163, ISSN: 1354-0793
Hampson GJ, Gani MR, Sharman KE, et al., 2011, Along-Strike and Down-Dip Variations in Shallow-Marine Sequence Stratigraphic Architecture: Upper Cretaceous Star Point Sandstone, Wasatch Plateau, Central Utah, U.S.A., Journal of Sedimentary Research, Vol: 81, Pages: 159-184, ISSN: 1527-1404
Hampson GJ, Collinson JD, Gutteridge P, 2011, Colin Oakman core workshop, Petroleum Geology: from Mature Basins to New Frontiers – Proceedings of the 7th Petroleum Geology Conference, Publisher: Geological Society of London, Pages: 27-28
Mitchell AJ, Allison PA, Piggott MD, et al., 2010, Numerical modelling of tsunami propagation with implications for sedimentation in ancient epicontinental seas: The Lower Jurassic Laurasian Seaway, Sedimentary Geology, Vol: 228, Pages: 81-97, ISSN: 0037-0738
Wells MR, Allison PA, Piggott MD, et al., 2010, Tidal Modeling of an Ancient Tide-Dominated Seaway, Part 2: The Aptian Lower Greensand Seaway of Northwest Europe, Journal of Sedimentary Research, Vol: 80, Pages: 411-439, ISSN: 1527-1404
Wells MR, Allison PA, Piggott MD, et al., 2010, Tidal Modeling of an Ancient Tide-Dominated Seaway, Part 1: Model Validation and Application to Global Early Cretaceous (Aptian) Tides, Journal of Sedimentary Research, Vol: 80, Pages: 393-410, ISSN: 1527-1404
CHARVIN K, HAMPSON GJ, GALLAGHER KL, et al., 2010, Intra-parasequence architecture of an interpreted asymmetrical wave-dominated delta, Sedimentology, Vol: 57, Pages: 760-785, ISSN: 0037-0746
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