Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1306/02251917408 |
A review of producing fields inferred to have upslope stratigraphically trapped turbidite reservoirs: Trapping styles (pure and combined), pinch-out formation, and depositional setting | |
Amy, Lawrence A.1,2 | |
2019-12-01 | |
发表期刊 | AAPG BULLETIN |
ISSN | 0149-1423 |
EISSN | 1558-9153 |
出版年 | 2019 |
卷号 | 103期号:12页码:2861-2889 |
文章类型 | Review |
语种 | 英语 |
国家 | Ireland; England |
英文摘要 | Siliciclastic turbidite systems that pinch out updip toward their proximal margin are prime targets for hydrocarbon exploration, especially in deep-water basins. Such "upslope stratigraphic traps" potentially offer large-volume discoveries but have significant geological risks, notably because of ineffective closure or containment. In the published literature, at least 20 fields from 11 basins globally with 6-7 billion BOE of cumulative discovered reserves have been inferred to be reliant on upslope pinchout traps. These fields are reviewed in terms of their interpreted trapping styles, pinch-out formation process, and depositional-tectonic setting. Reservoirs display a range of upslope trapping styles, including pure (depositional and erosional) stratigraphic pinch-outs and combined stratigraphic- structural traps. In one- third of cases, faulting appears intimately linked to updip trapping, either through offsetting slope feeder conduits or assisting pinch-out development, and in some cases, faulting may be the most important updip trapping element. Sediment bypass and erosion in proximal areas is the most common inferred pinch-out formation mechanism. Some reservoirs also demonstrate the ability of erosional truncation by mud-prone channels and mass transport deposits to form viable stratigraphic traps and seals. Encouragingly for exploration, robust pinchout traps occur in various tectonic settings on a variety of different slope types and positions along the slope profile. Most large-volume discoveries to date, however, are restricted to the toe-of-slope environment in graded passive margins or out-of-grade rift and transform margin settings. Insights into the nature and occurrence of upslope stratigraphic traps are important for future exploration, especially for evaluating new license areas and risking prospects. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000503033000003 |
WOS关键词 | BASIN ; ARCHITECTURE ; EXPLORATION ; PLAY ; DISCOVERY ; SYSTEMS ; SEARCH ; MODEL ; WEST ; GULF |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/224020 |
专题 | 环境与发展全球科技态势 |
作者单位 | 1.Univ Coll Dublin, Irish Ctr Res Appl Geosci, Sch Earth Sci, Dublin, Ireland; 2.Univ Leeds, Sch Earth & Environm, Leeds Turbidite Res Grp, Leeds, W Yorkshire, England |
推荐引用方式 GB/T 7714 | Amy, Lawrence A.. A review of producing fields inferred to have upslope stratigraphically trapped turbidite reservoirs: Trapping styles (pure and combined), pinch-out formation, and depositional setting[J]. AAPG BULLETIN,2019,103(12):2861-2889. |
APA | Amy, Lawrence A..(2019).A review of producing fields inferred to have upslope stratigraphically trapped turbidite reservoirs: Trapping styles (pure and combined), pinch-out formation, and depositional setting.AAPG BULLETIN,103(12),2861-2889. |
MLA | Amy, Lawrence A.."A review of producing fields inferred to have upslope stratigraphically trapped turbidite reservoirs: Trapping styles (pure and combined), pinch-out formation, and depositional setting".AAPG BULLETIN 103.12(2019):2861-2889. |
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