DOI: 10.1306/04061009174
Scopus记录号: 2-s2.0-78149353431
论文题名: A review and technical summary of the AAPG hedberg research conference "variations in fluvial-deltaic and coastal reservoirs deposited in tropical environments"
作者: Shoup R.C. ; Lambiase J. ; Cullen A.B. ; Caughey C.A.
刊名: AAPG Bulletin
ISSN: 0149-1905
EISSN: 1558-9635
出版年: 2010
发表日期: 2010
卷: 94, 期: 10 起始页码: 1477
结束页码: 1484
语种: 英语
Scopus关键词: Anastomosing systems
; Coastal reservoirs
; Deepwater
; Deltaic deposits
; Depositional models
; Depositional system
; Dispersed organic matters
; Estuarine deposits
; Fluvial deposits
; Marine environment
; Organic matter
; Petroleum systems
; Sand body
; Sand content
; Seismic attributes
; Seismic datas
; Shoreface
; Southeast Asia
; Subsurface data
; Temperate climate
; Tropical environments
; Tropical systems
; Biogeochemistry
; Biological materials
; Climatology
; Deposits
; Estuaries
; Modems
; Organic compounds
; Sand
; Seismology
; Tropics
; Petroleum deposits
; coastal sediment
; estuarine environment
; fluvial deposit
; literature review
; petroleum
; reservoir
; seismic data
; tropical environment
; Southeast Asia
; Rhizophoraceae
Scopus学科分类: Energy
; Earth and Planetary Sciences
英文摘要: This conference addressed the question of whether fluvial-deltaic and coastal reservoirs deposited in tropical environments exhibit different fades relationships than those of temperate systems. Although this conference concluded that there is nothing distinctly unique about clastic depositional systems in tropical environments, the magnitude of the processes that operate in these environments differs from nontropical environments. Because these processes influence the distribution of reservoir and nonreservoir faciès, geologists need a fundamental understanding of the contrasts between tropical and nontropical environments when interpreting subsurface data and building depositional models. We highlight the following features that seem to be more favorably developed in tropical environments. (1) Many tropical systems exhibit complexly stacked channel and overbank deposits. Although some fluvial deposits have the classic meandering pattern, seismic attributes indicate that many tropical channel belts are anastomosing systems that intersect each other at large angles. Subsurface correlation without the benefit of three-dimensional seismic data is all but impossible. (2) In contrast to deltaic deposits in temperate climates, which exhibit high sand/shale ratios near the delta with sand content decreasing basinward and laterally away from the delta, tropical deltas tend to be muddier near the river mouth and have cleaner, well-sorted sand bodies better developed laterally in the shoreface and shallow-marine environments. (3) Modem tropical coasts are home to large estuarine environments dominated by mangroves. Estuarine deposits interpreted in the subsurface and observed in outcrop are sand rich, yet little sand is observed in modem mangrove estuaries. Mangrove estuarine deposits also contain abundant organic-rich layers, thin coals, and dispersed organic matter that may favor the development of a self-sourced petroleum system. The flushing of these systems during relative low stands may be an important mechanism not only for reservoir development, but also for dispersing organic matter into deep-water systems. This conference was dominated by discussions of depositional systems in Southeast Asia, which have a strong tectonic overprint. Further research on tropical systems from the South American and African conjugate margin could provide important tests for the ideas highlighted above. Copyright © 2010. The American Association of Petroleum Geologists. All rights reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-78149353431&doi=10.1306%2f04061009174&partnerID=40&md5=cabc5cb08c5c4fe33bca9937ff2e9c76
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/13474
Appears in Collections: 过去全球变化的重建 影响、适应和脆弱性 科学计划与规划 气候变化与战略 全球变化的国际研究计划 气候减缓与适应 气候变化事实与影响
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Recommended Citation:
Shoup R.C.,Lambiase J.,Cullen A.B.,et al. A review and technical summary of the AAPG hedberg research conference "variations in fluvial-deltaic and coastal reservoirs deposited in tropical environments"[J]. AAPG Bulletin,2010-01-01,94(10)