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• Covenant field
  ...eralized stratigraphic column of rock units the Covenant field area. The Lower Jurassic Navajo Sandstone is the reservoir, while the overlying Middle Jura | colspan = 4 | Source rocks: [[Carboniferous]]; migration: Cretaceous to early Tertiary
  6 KB (897 words) - 19:39, 14 February 2017
• Borehole imaging devices
  ...e on the two-way traveltime. By convention, darker gray tones are used for lower reflected amplitudes and higher two-way traveltimes. ...ion MicroScanner images showing dipping unconformity at contact (arrow) of Cretaceous clastic rocks with Mississippian carbonates.
  10 KB (1,313 words) - 16:24, 18 January 2022
• Niobrara & Codell of the Denver-Julesburg Basin
  ...t Chalk member of the Carlile. It is variously composed of three facies: a lower bioturbated zone, a middle laminated sand zone containing many small shale ...tion is limited to biogenic gas. In all three areas, zones deeper than the Cretaceous produce thermogenic oils and gases, but migration upwards into the Niobrara
  9 KB (1,412 words) - 21:46, 3 March 2022
• Deep-water marine reservoirs
  ...ny of these are Tertiary in age, although large reservoirs of Jurassic and Cretaceous age have also been found, particularly in the North Sea. ...gh net-to-gross values and a blocky log response in the channel axis, with lower net-to-gross values and a serrated log response toward the margins ([[:File
  20 KB (2,850 words) - 15:33, 15 January 2024
• Super basins
  In a world demanding more energy every decade, ideas involving lower costs and reduced environmental impacts are crucial to optimize hydrocarbon ...ntracratonic tectonic settings. Most are [[Mesozoic]]-aged ([[Jurassic]]-[[Cretaceous]]), although there are [[Paleozoic-]]age examples.<ref name=Fryklundandstar
  27 KB (3,791 words) - 19:35, 11 October 2022
• Seismic inversion
  ...annel zone. The area of interest is the Glauconitic Formation of the lower Cretaceous upper Mannville Group, which is characterized by rapidly changing lithologi
  8 KB (1,196 words) - 18:48, 21 January 2022
• Prudhoe Bay field
  ...e Ivishak Formation is draped over the Barrow Arch, truncated by the Lower Cretaceous unconformity, and overlain by marine shales. Location is shown in Figure 1. ...Bay field lies along the crest of the Barrow Arch, an east-west-trending, Cretaceous anticline formed by the northward thrusting of the Brooks Range ([[:file:Mt
  11 KB (1,634 words) - 16:34, 26 April 2016
• Pressure detection
  ...rilling mud to keep formation fluids from entering the borehole. Pressures lower than normal are called ''subnormal''. ...erta, large thicknesses of Paleozoic carbonates have been thrust over soft Cretaceous shales, resulting in overpressuring of the lenticular oil-bearing sandstone
  16 KB (2,450 words) - 21:42, 20 January 2022
• Hammerfest basin
  ...Anka, R. di Primio, and A. Bernal, 2012a, Identification of a large Upper Cretaceous polygonal fault network in the Hammerfest basin: Implications on the reacti ...-order faults that offset [[reservoir]] rocks but do not extend to the top Cretaceous, the polygonal faults, and the [[Paleocene]] to [[Eocene]] faults that do n
  23 KB (3,382 words) - 18:40, 10 January 2019
• Petroleum basins of Turkey
  ...ation. The majority of production is made from Mesozoic reservoirs (mainly Cretaceous), and Paleozoic reservoirs have just started production. ...ce correlation is not certain yet. Three of them are dated as Middle, Late Cretaceous, and Paleozoic. These are described from older to younger units in the foll
  52 KB (7,769 words) - 20:28, 18 January 2017
• Petroleum source rocks
  ...presents only a small proportion of the original biological input. An even lower percentage of this buried fraction is converted to petroleum (oil and gas), ...organic matter (H/C > 1 or HI > 300) has oil-generative potential, whereas lower hydrogen content usually denotes gas-generative potential.
  12 KB (1,616 words) - 17:35, 13 April 2022
• Carbonate reservoir
  ...ng grainstone margin from the Albian of northern Mexico: Outcrop model for Cretaceous carbonate reservoirs], in G. M. Grammer, P. M. Harris, and G. P. Eberli, ed ...ted volumes may be areally limited with no contact to a large aquifer. The lower energy drive mechanisms such as solution gas drive are common. Heterogeneit
  38 KB (5,571 words) - 15:31, 16 January 2024
• Dolomite and dolomitization: Implications for reservoir characterization
  ...ering (coarse crystalline dolomite), as reported by Vinci et al. (2017) in Cretaceous carbonates of Southern Apennines (southern Italy) (Fig. 10a). Nodular dolom ...ail|Figure 10a: Sedimentary features related to dolomites. (a) Layering in Cretaceous carbonates due to variations in crystal size of dolomites. Cdol for coarse
  38 KB (4,996 words) - 21:07, 21 April 2022
• Wattenberg field
  ...in 1970 by Amoco Production Company with initial production from the Lower Cretaceous Muddy (J) Sandstone. Wattenberg straddles the Denver Basin synclinal axis a ...sin. The mineral belt is a northeast trending zone across Colorado of Late Cretaceous to early Tertiary mineralization. The mineralization is associated with hig
  72 KB (10,249 words) - 20:06, 15 January 2024
• East Breaks hydrocarbon migration model
  ...oast Section SEPM 9th Annual Research conference, p. 139–150.</ref> or the lower [[Tertiary]] or Upper [[Jurassic]] as suggested by Gross et al.<ref name=ch Hanor and Sassen<ref name=ch04r42 /> present data from Cretaceous and Tertiary strata in southern Louisiana for aqueous fluid flow from deep,
  10 KB (1,376 words) - 16:00, 23 March 2022
• Organic facies
  ...nic matter to this quality. Examples include the marine Mowry Formation of Cretaceous age in Wyoming and prodelta muds from many deltaic and lacustrine deposits. ...ents can be deposited together (Vail et al., in press). One example is the lower Tert ary of Labrador.
  17 KB (2,472 words) - 17:39, 13 April 2022
• Gas chromatography: data obtained
  ...s, derived principally from the resin in terrestrial plants of the [[Upper Cretaceous]] and [[Cenozoic]], are often abundant in younger samples with terrestrial ...ilarities, it was concluded that these two oils were derived from the same lower Paleozoic source facies.
  22 KB (3,123 words) - 21:38, 15 February 2022
• Biostratigraphic correlation and age determination
  An example of the first type is the thin interval in the Lower Pliocene characterized by high abundances of the planktonic foraminiferal g ...ol, P. Van Even, J. Thierry, and Z. Huang, 1995, A Triassic, Jurassic, and Cretaceous time scale, in W. A. Berggren, D. V. Kent, M.-P. Aubry, and J. Hardenbol, e
  11 KB (1,595 words) - 18:09, 24 January 2022
• Cross-well electromagnetic tomography monitoring of fluid distribution
  ...ncy, in the MHz, can only give information near the borehole. Therefore, a lower frequency system is used due to its high wavelength, which ultimately resul In 2008, a pilot was done on the lower cretaceous heterogeneous carbonate reservoir in the United Arab Emirates. The pilot ta
  18 KB (2,715 words) - 18:29, 8 February 2024
• Shale-oil resource systems
  ...r oil contents, but only limited retention of oil as these rocks have much lower sorptive capacity. The presence of organic-lean facies or occurrence of an ...lose association with organic matter inhibits oil flow not only because of lower permeability in an organic-rich mudstone, but also because of adsorption to
  97 KB (14,873 words) - 19:53, 11 January 2024

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