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The Sedimentological Distribution of Upper Brent, Oseberg field, North Sea
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
2017 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The Oseberg hydrocarbon field is located in the northern North Sea sedimentary basin (61-62° N) on the eastern flank of the Viking Graben and is bounded to the east by the Horda Platform and the Øygarden Fault Complex (ØFC). The field is covering up most parts of block 30/6 and 30/9 on the Norwegian Continental Shelf (NOCS) but also minor parts of blocks 30/5, 30/8 and 30/12. The North Sea has developed through a very complex structural setting thus a great effect on the Oseberg hydrocarbon field where good quality sandstone reservoir rocks have been able to deposit very successively. The structural event of the Mid North Sea dome that occurred in the Middle Jurassic (Bajocian-Bathonian) is considered to be a main source of the successive sedimentary formations that the Oseberg field is buildup on. These formations are mainly a part of the Brent Group which consists of five lithological formations; Brent, Rannoch, Etive, Ness and Tarbert, where the Ness and Tarbert formation are representing great sandstone reservoir rocks. The study of structural and stratigraphic frameworks of the Oseberg field and its formations will help predict depositional environments thus evaluate reservoir systems. Fairly good results of lithology interpretation will be provided through analyzing well log-, and core-data and with seismic supplies, even stronger results.

Keywords: Sedimentology, Middle Jurassic, Brent Group, paleoenvironment, petroleum geology

Place, publisher, year, edition, pages
2017. , p. 52
Series
Självständigt arbete vid Institutionen för geovetenskaper ; 2017:2
Keyword [en]
Sedimentology
National Category
Geology
Identifiers
URN: urn:nbn:se:uu:diva-312874OAI: oai:DiVA.org:uu-312874DiVA, id: diva2:1065199
Educational program
Bachelor Programme in Earth Science
Presentation
2016-05-31, Hambergsalen, Institutionen för geovetenskaper, Uppsala universitet, Villavägen 16, Uppsala, 14:00 (English)
Supervisors
Examiners
Available from: 2017-01-16 Created: 2017-01-13 Last updated: 2017-01-16Bibliographically approved

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  • apa
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