DOI: 10.1306/10021414026
Scopus记录号: 2-s2.0-84929783151
论文题名: Continental carbonates as a hydrocarbon reservoir, an analog case study from the travertine of Saturnia, Italy
作者: Ronchi P. ; Cruciani F.
刊名: AAPG Bulletin
ISSN: 0149-1468
EISSN: 1558-9198
出版年: 2015
发表日期: 2015
卷: 99, 期: 4 起始页码: 711
结束页码: 734
语种: 英语
Scopus关键词: Carbonates
; Carbonation
; Isotopes
; Petroleum reservoir engineering
; Porosity
; Springs (water)
; Carbonate reservoir
; Hydrocarbon reservoir
; Multi-disciplinary approach
; Permeability analysis
; Petrophysical properties
; Strong heterogeneities
; Variable connectivity
; X-ray computer tomography
; Limestone
; carbon isotope
; compartmentalization
; continental interior
; dissolution
; hydrocarbon reservoir
; isotopic analysis
; mantle source
; meteoric water
; oxygen isotope
; paleosol
; permeability
; Pleistocene
; porosity
; quarry
; spring (hydrology)
; strontium isotope
; subaerial exposure
; travertine
; Atlantic Ocean
; Atlantic Ocean (South)
; Brazil
; Italy
; Santos
; Sao Paulo [Brazil]
Scopus学科分类: Energy
; Earth and Planetary Sciences
英文摘要: The Pleistocene Saturnia travertine (central Italy) represents a possible analog of the pre-salt continental carbonate reservoirs discovered in the Santos and other basins in the South Atlantic margin of Brazil. Two subhorizontal travertine tabular bodies, several tens of meters thick and extending over an area of 15 km2 (5.8 mi2), have been studied in two quarries. Fades variations and associated petrophysical properties were reconstructed applying a multidisciplinary approach. The Saturnia travertine, formed from a warm water spring, is composed of various stacked carbonate banks, separated by subaerial erosive phases and paleosols. The lacustrine tabular bodies, terraces, and sills are made of crystalline crust, shrub, pisoid, paper-thin raft, coated bubble, reed, and lithoclast-breccia facies. The δ13C (from +4‰ to +8‰) supports an interpreted CO2 volcanic mantle source, whereas, the δ18O (from -9‰ to -5‰) is in agreement with warm meteoric waters. The 87Sr/86Sr ratio isotopic signature indicates a carbonate from dissolution of deep-seated carbonates. The facies reservoir properties were studied via porosity and permeability analysis of plugs, three-dimensional x-ray computer tomography, as well as image analysis on microscale under thin section and macroscale on large rock slabs to define various porosity indices. A strong heterogeneity of the petrophysical properties and variable connectivity were observed (porosity from 4% to 30% and permeability up to hundreds of md), but no compartmentalization of the carbonate bodies is present. Copyright © 2015. The American Association of Petroleum Geologists. All rights reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84929783151&doi=10.1306%2f10021414026&partnerID=40&md5=044cd612a611aa75920abdb005b6ae92
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/13039
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:
Ronchi P.,Cruciani F.. Continental carbonates as a hydrocarbon reservoir, an analog case study from the travertine of Saturnia, Italy[J]. AAPG Bulletin,2015-01-01,99(4)