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Loppa High

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Series: AAPG Memoir
Published: 01 January 1989
DOI: 10.1306/M46497C36
EISBN: 9781629811291
... and the Arctic realms since the initiation of a major strike-slip fault zone in the Devonian-Carboniferous. Two major positive features on the western Barents Shelf, the Stappen High and the Loppa High, have undergone significant uplift and erosion. The Stappen High can be related to rift-margin thermal uplift...
Series: Geological Society, London, Special Publications
Published: 17 November 2023
DOI: 10.1144/SP527-2021-187
EISBN: 9781786209597
... Abstract The Gohta discovery well 7120/1-3, drilled on the Loppa High in the SW Barents Shelf in northern Norway encountered a meteoric karst system hosted by the late Permian lower Røye Formation that formed during a period of sub-Triassic exposure. The karst system is preserved as a series...
FIGURES | View All (18)
Journal Article
Published: 14 December 2017
Journal of the Geological Society (2018) 175 (3): 497–508.
...Kjetil Indrevær; Sebastien Gac; Roy H. Gabrielsen; Jan Inge Faleide Abstract The Loppa High area has been subject to several events of uplift and subsidence from the Late Paleozoic to Present. The driving mechanisms behind the vertical movements, however, are not fully understood. We propose...
FIGURES | View All (8)
Journal Article
Published: 22 November 2016
Journal of the Geological Society (2017) 174 (2): 242–254.
...Kjetil Indrevær; Roy H. Gabrielsen; Jan Inge Faleide Abstract Tectonic inversion of rift basins is most commonly reported in the literature to occur after rifting has ceased. In contrast, we present evidence for synrift, localized tectonic inversion from the Loppa High area, southwestern Barents...
FIGURES | View All (9)
Journal Article
Journal: AAPG Bulletin
Published: 01 October 2012
AAPG Bulletin (2012) 96 (10): 1843–1866.
... not sufficient to discriminate karstified areas from their surroundings. In the Loppa High (Norwegian Barents Sea), a protracted episode of subaerial exposure occurring between the late Paleozoic and mid-Triassic—Late Permian to Anisian—resulted in a significant overprinting of the previously deposited carbonate...
FIGURES | View All (13)
Journal Article
Published: 01 May 1999
Petroleum Geoscience (1999) 5 (2): 173–187.
... dominated by aragonitic organisms and mineralogically unstable aragonite and high-Mg calcite cements and mud. A reservoir model for these carbonates involves extensive dolomitization and dissolution of metastable carbonate during repeated subaerial exposure. The reservoir model is confirmed by drilling...
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Geological cross-section across the Veslemøy <span class="search-highlight">High</span>, <span class="search-highlight">Loppa</span> <span class="search-highlight">High</span>, Bjarmeland P...
Published: 24 October 2017
Fig. 2. Geological cross-section across the Veslemøy High, Loppa High, Bjarmeland Platform, Nordkapp Basin and Finnmark Platform illustrating the stratigraphy. Modified after Gabrielsen et al. (1990) . See Figure 1 for the transect line location (A–A′). TWT, two-way travel time.
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Map of geological structural elements in the <span class="search-highlight">Loppa</span> <span class="search-highlight">High</span> area of the southwe...
Published: 04 April 2022
Fig. 1. Map of geological structural elements in the Loppa High area of the southwestern Barents Sea. Orange and grey striped polygons indicate gas and/or oil reservoirs in the region. The studied gas samples were obtained from the five labelled reservoirs, and the numbered red dots give
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Stratigraphic cross-section from the <span class="search-highlight">Loppa</span> <span class="search-highlight">High</span> area (from NW, left to SE, ...
Published: 04 April 2022
Fig. 2. Stratigraphic cross-section from the Loppa High area (from NW, left to SE, right) with positions of studied wells and sampled reservoirs. The cross-section location is indicated in Figure 1 by a red line.
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( a ) Tectonic model showing how uplift of the <span class="search-highlight">Loppa</span> <span class="search-highlight">High</span> in the early Barr...
Published: 22 November 2016
Fig. 9. ( a ) Tectonic model showing how uplift of the Loppa High in the early Barremian to early Aptian may have been converted into horizontal stresses owing to space accommodation problems along its flanks. (See ( c ) for location and orientation of profiles.) ( b ) Graph showing the expected
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Whole-oil chromatogram representing sample B2 from the <span class="search-highlight">Loppa</span> <span class="search-highlight">High</span>. The trap...
Published: 01 February 2016
Figure 14. Whole-oil chromatogram representing sample B2 from the Loppa High. The trap received at least two hydrocarbon charges. The first charge is indicated by the biodegraded paleo-oil signature on the right side, further supported by diminished n-alkane peaks in the medium range. The light
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Main stratigraphic units in the <span class="search-highlight">Loppa</span> <span class="search-highlight">High</span>, position of well Statoil 7220&#x2F;6...
Published: 01 October 2012
Figure 2 Main stratigraphic units in the Loppa High, position of well Statoil 7220/6-1, and available core. (A) The sketch shows the position of the well 7220/6-1 in the Loppa High structure and the main units penetrated. The carbonate interval is lying over the basement and capped by Triassic
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Seismic stratigraphic framework construction of the <span class="search-highlight">Loppa</span> <span class="search-highlight">High</span>. (A) Zoom of...
Published: 01 October 2012
Figure 4 Seismic stratigraphic framework construction of the Loppa High. (A) Zoom of line C from Figure 3 . (B) Zoom of line E from Figure 3 . Note the truncation of units toward the crest of the Loppa High. The color coding is in Figure 3 .
Journal Article
Journal: AAPG Bulletin
Published: 01 September 1984
AAPG Bulletin (1984) 68 (9): 1206–1207.
...) covers approximately 6,000 km 2 (2,300 mi 2 ). In this area, several highs and basins are defined. The Troms and Hammerfest basins are situated between the Loppa high on the north and the Troms-Finnmark basement high on the south. The southwestern continuation of the Troms basin is a strongly faulted...
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Conceptual model of the late Paleozoic to present-day evolution of the Lopp...
Published: 14 December 2017
Fig. 8. Conceptual model of the late Paleozoic to present-day evolution of the Loppa High area. I, II and III: from Late Carboniferous to middle Triassic, the southwestern Barents Sea was subject to moderate extension and subsidence, rift flank uplift and rotation of the Selis Ridge, and early
Series: Geological Society, London, Petroleum Geology Conference Series
Published: 01 January 2005
DOI: 10.1144/0060231
EISBN: 9781862394124
..., interpreted by the industry to be remnants of oil leaked from Jurassic reservoirs to the surface. Lower Cretaceous sandstones have also been drilled along the Troms-Finnmark Platform, Loppa High and Senja Ridge, where almost all wells have oil shows. Three wells drilled along the southern margin of the Loppa...
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Two-dimensional maps from supervised classification, showing the distributi...
Published: 01 October 2012
Figure 12 Two-dimensional maps from supervised classification, showing the distribution of different seismic facies (SF). (A) Top Paleozoic horizon. Note the extension of seismic facies 1 (SF1) along the crest of Loppa High. (B) Top Bjarmeland horizon, which is not present at the crest
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( a ) Interpreted seismic line running from the Bjarmeland Platform in the ...
Published: 14 December 2017
Fig. 2. ( a ) Interpreted seismic line running from the Bjarmeland Platform in the east, across the Loppa High, the Ringvassøy–Loppa Fault Complex and into the Tromsø Basin (see Fig. 1 for location). The distinct thickening of upper Triassic strata from the Bjarmeland Platform and onto
Journal Article
Published: 04 April 2022
Petroleum Geoscience (2022) 28 (2): petgeo2021-037.
...Fig. 1. Map of geological structural elements in the Loppa High area of the southwestern Barents Sea. Orange and grey striped polygons indicate gas and/or oil reservoirs in the region. The studied gas samples were obtained from the five labelled reservoirs, and the numbered red dots give...
FIGURES | View All (8)
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(  a ) Main <span class="search-highlight">highs</span> observed from the tilt derivative at the present day in t...
Published: 01 July 2012
magnetic anomalies interpreted as basement highs beneath the Bjarmeland Platform; FP, Finnmark Platform; HB, Hammerfest Basin; LN, Loppa High north; LS, Loppa High south; MAF, Middle Allochthons front; NB, Nodkapp Basin; NH, Norsel High; OB, Late Palaeozoic Ottar Basin; SH, Stappen High; SHC, Late