R.E. Holdsworth
The nature and age of basement host rocks and fissure fills in the Lancaster field fractured reservoir, West of Shetland
Holdsworth, R.E.; Trice, R.; Hardman, K.; McCaffrey, K.J.W.; Morton, A.; Frei, D.; Dempsey, E.; Bird, A.; Rogers, S.
Authors
R. Trice
K. Hardman
K.J.W. McCaffrey
A. Morton
D. Frei
Dr Eddie Dempsey E.Dempsey@hull.ac.uk
Senior Lecturer in Structural Geology and Geohazards
Dr Anna Bird A.Bird@hull.ac.uk
Reader in Geology
S. Rogers
Abstract
Hosting up to 3.3 billion barrels of oil in place, the upfaulted Precambrian 16 crystalline rocks of the Lancaster Field, offshore west of Shetland, give key insights into how 17 fractured hydrocarbon reservoirs can form in such old rocks. The Neoarchaean (ca 2700-18 2740 Ma) charnockitic basement is cut by deeply penetrating oil-, mineral-and sediments-19 filled fissure systems seen in geophysical and production logs, and thin sections of core. 20 Mineral textures and fluid inclusion geothermometry suggest that a low temperature (
Citation
Holdsworth, R., Trice, R., Hardman, K., McCaffrey, K., Morton, A., Frei, D., …Rogers, S. (in press). The nature and age of basement host rocks and fissure fills in the Lancaster field fractured reservoir, West of Shetland. Journal of the Geological Society, jgs2019-142. https://doi.org/10.1144/jgs2019-142
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 22, 2019 |
Online Publication Date | Nov 29, 2019 |
Deposit Date | Nov 25, 2019 |
Publicly Available Date | Nov 30, 2020 |
Journal | Journal of the Geological Society |
Print ISSN | 0016-7649 |
Electronic ISSN | 2041-479X |
Publisher | Geological Society |
Peer Reviewed | Peer Reviewed |
Pages | jgs2019-142 |
DOI | https://doi.org/10.1144/jgs2019-142 |
Keywords | Geology |
Public URL | https://hull-repository.worktribe.com/output/3242227 |
Files
Published Accepted Manuscript
(24.7 Mb)
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