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Cromer Knoll Group

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Journal Article
Journal: AAPG Bulletin
Published: 01 August 2013
AAPG Bulletin (2013) 97 (8): 1227-1248.
... the geomorphology of a deep-water, Lower Cretaceous wedge (Cromer Knoll Group) within the hanging wall of a rift-related half graben formed on the Halten Terrace offshore mid-Norway. Seismic attribute extractions taken within this Lower Cretaceous wedge reveal the presence of several lobate to elongated bodies...
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Isochore maps in feet for the (a) <b>Cromer</b> <b>Knoll</b> <b>Group</b>; (b) Captain Sandstone...
Published: 11 October 2017
Figure 14. Isochore maps in feet for the (a) Cromer Knoll Group; (b) Captain Sandstone Member; and (c) Chalk Group (Bosies Bank Fault [BBF], Halibut Horst [HH], Smith Bank Fault [SBF], and West Bank Fault [WBF]).
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Porosity and pore-pressure history for (a) the <b>Cromer</b> <b>Knoll</b> <b>Group</b> and (b) t...
Published: 01 February 2004
Figure 5 Porosity and pore-pressure history for (a) the Cromer Knoll Group and (b) the Viking Group in well 34/10-35, modeled solely by effective stress-driven compaction (dashed lines). The numbers indicate the time (in million years before present) when the modeled formations reached
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Porosity and pore-pressure history for (a) the <b>Cromer</b> <b>Knoll</b> <b>Group</b> and (b) t...
Published: 01 February 2004
Figure 8 Porosity and pore-pressure history for (a) the Cromer Knoll Group and (b) the Viking Group in well 34/10-35, modeled by a combination of stress-sensitive (mechanical) and pressure-insensitive chemical compaction (dashed lines). The numbers indicate the time (in million years before
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—Interval velocities of the Lower Cretaceous (<b>Cromer</b> <b>Knoll</b> <b>Group</b>) in the Da...
Published: 01 February 1993
Figure 4 —Interval velocities of the Lower Cretaceous (Cromer Knoll Group) in the Danish Central Trough measured in 27 wells where the penetrated thickness exceeds 20 m.
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—The Lower Cretaceous (<b>Cromer</b> <b>Knoll</b> <b>Group</b>) of the Danish Central Trough. (a...
Published: 01 February 1993
Figure 6 —The Lower Cretaceous (Cromer Knoll Group) of the Danish Central Trough. (a) Isochore of the Lower Cretaceous (after Vejbaek, 1986 ). (b) Depth to base Upper Cretaceous. (c) Velocity anomaly of the Lower Cretaceous. (d) Interval velocity of the Lower Cretaceous.
Journal Article
Journal: Clay Minerals
Published: 01 March 2006
Clay Minerals (2006) 41 (1): 47-150.
...). Eastern England – Cromer Knoll Group (Ryazanian–Upper Albian; Speeton Clay, Spilsby Sandstone, Sandringham Sands, Claxby Ironstone, Tealby, Roach Ironstone, Dersingham, Carstone and Red Chalk (or Hunstanton Red Limestone) formations). Scotland – Inner Hebrides Group (Cenomanian–Campanian; Morvern...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/PGC8.24
EISBN: 9781786203151
... of the formation boundaries is indicated. SB, sequence boundary; OAE, Oceanic Anoxic Event; AE, Anoxic Event. Fig. 5. Thickness variations in the Danish Central Graben of the Lower Cretaceous Cromer Knoll Group and the Upper Cretaceous Chalk Group. ( a ) East–west seismic cross-section flattened...
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Semiregional well-log correlation for the Lower Cretaceous (<b>Cromer</b> <b>Knoll</b> Gr...
Published: 01 August 2013
Figure 9 Semiregional well-log correlation for the Lower Cretaceous (Cromer Knoll Group). Datum top of Shetland Group. Gp = Group; GR = gamma ray; BCU = base Cretaceous unconformity; MD = measure depth; TVDSS = true vertical depth subsea.
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Isopach maps. (A) Tectonosequence T2 containing the postrift <b>Cromer</b> <b>Knoll</b> G...
Published: 01 August 2013
Figure 5 Isopach maps. (A) Tectonosequence T2 containing the postrift Cromer Knoll Group presents wedgelike geometry constrained to the east of fault A. The unit thickens toward the southeast. (B) Tectonosequence T3 containing the postrift Shetland Group; the isopach map shows how this interval
Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/PGC8.23
EISBN: 9781786203151
... to the Dunlin and Brent groups ( Fig. 3 ), and these are the main top seal for the Knarr reservoir. Shales belonging to the Cromer Knoll Group, which overlie the Brent and Dunlin shales, can also provide a secondary seal. The Brent Group in the Knarr area is made up of distal sediments belonging...
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Journal Article
Journal: AAPG Bulletin
Published: 01 October 2014
AAPG Bulletin (2014) 98 (10): 2019-2055.
... (129 Ma) marks the top of the lower Cretaceous-to-lower Jurassic reservoir interval and highlights the pattern of deformation in the supra-salt interval. (4) The Top Cromer Knoll Group (99.6 Ma) is an intra-postrift horizon that defines the cessation of supra-diapir depocenter subsidence. (5) The near...
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Series: Geological Society, London, Memoirs
Published: 01 January 2003
DOI: 10.1144/GSL.MEM.2003.020.01.65
EISBN: 9781862393950
... Jurassic is preserved at both Mercury and Neptune below the Cimmerian unconformity. A return to basin subsidence commenced with the deposition of the Speeton Clay Formation of the Cromer Knoll Group and was followed by the Upper Cretaceous Chalk Group. The thickness of the Chalk Group over Neptune...
Journal Article
Published: 07 December 2018
Proceedings of the Yorkshire Geological Society (2019) 62 (3): 187-194.
...) the Cromer Knoll Group, essentially a Lower Cretaceous argillaceous unit present in the North Sea and extending northwards into the Norwegian Sea; (2) the Shetland Group, an Upper Cretaceous mudstone-dominated unit with relatively minor interbedded argillaceous limestones, lying between the Cromer Knoll...
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Top structure maps (in ms two-way travel time; TWT) for the following six k...
Published: 01 November 2009
Fig. 10 Top structure maps (in ms two-way travel time; TWT) for the following six key stratigraphic horizons: ( a ) top Rotliegend (Leman Sandstone Formation); ( b ) top Brockelschiefer (near top Zechstein Supergroup); ( c ) top Bacton Group; ( d ) Base Cretaceous (base Cromer Knoll Group/top
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Sonic traveltime from logging data of wells Bo-1, NJens-1, Val-1P, and Val-...
Published: 01 May 2005
Figure A2. Sonic traveltime from logging data of wells Bo-1, NJens-1, Val-1P, and Val-2P have distinct porosity trends for the Chalk Group interval and the Cromer Knoll Group interval. The Cromer Knoll Group data define a trend-line which reaches the velocity of the pore water at a critical
Series: Geological Society, London, Petroleum Geology Conference series
Published: 01 January 2010
DOI: 10.1144/0070177
EISBN: 9781862394131
...–Late Ryazanian tectono-stratigraphic succession is the so-called ‘Base Cretaceous Unconformity’, although this comprises a conformable facies change from anoxic claystones of the Kimmeridge Clay Formation to oxic marls and claystones of the Cromer Knoll Group in some areas where the latest Upper...
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Westernmost north-northwest/south-southeast-striking well-log correlation p...
Published: 11 October 2017
Figure 5. Westernmost north-northwest/south-southeast-striking well-log correlation panel corresponding to the seismic line used in Figure  4 highlighting the effect that syn- and postdepositional faulting had on the thickness distribution of the Cromer Knoll Group in general and the Captain
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Easternmost north-northwest/south-southeast-striking well-log correlation p...
Published: 11 October 2017
Figure 9. Easternmost north-northwest/south-southeast-striking well-log correlation panel corresponding to the seismic line used in Figure  8 highlighting the effect that syn- and postdepositional faulting had on the thickness distribution of the Cromer Knoll Group in general and the Captain
Series: Geological Society, London, Petroleum Geology Conference series
Published: 01 January 2010
DOI: 10.1144/0070225
EISBN: 9781862394131
.../07a-5 (1985), which targeted the western flank of the field terminating in the Lower Cretaceous Cromer Knoll Group c . 500 ft above a structure now known to be the Jasmine Field. An opportunity to deepen the well was not taken on account of predicted poor reservoir quality based on the earlier 30/07a...
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