DOI: 10.1306/07130907012
Scopus记录号: 2-s2.0-77950304938
论文题名: Thermal maturation and hydrocarbon migration within La Popa Basin, Northeastern Mexico, with implications for other salt structures
作者: Hudson S.M. ; Hanson A.D.
刊名: AAPG Bulletin
ISSN: 0149-1944
EISSN: 1558-9674
出版年: 2010
发表日期: 2010
卷: 94, 期: 3 起始页码: 273
结束页码: 291
语种: 英语
Scopus关键词: Bedding planes
; Fluid flow
; Gas generation
; Geochemical analysis
; Hydrocarbon migration
; Lateral migration
; Me-xico
; Oil-source rock correlation
; Remineralization
; Salt structures
; Sediment interface
; Source rocks
; Thermal maturation
; Analytical geochemistry
; Crude oil
; Flow of fluids
; Hydrocarbons
; Organic carbon
; Petroleum geology
; Sedimentology
; Welding
; Welds
; bedding plane
; crude oil
; Eocene
; fluid flow
; hydrocarbon migration
; lithology
; mudstone
; organic carbon
; outcrop
; remineralization
; source rock
; thermal maturity
; La Popa Basin
; Mexico [North America]
Scopus学科分类: Energy
; Earth and Planetary Sciences
英文摘要: Some outcrops adjacent to the 25-km (15-mi)-long salt weld in the La Popa Basin, northeastern Mexico, are visibly stained and contain enrichment of organic carbon. Their presence, which is known only along the northwestern part of the weld and along the southwestern side of the weld, provides evidence for hydrocarbon migration along the weld. This distribution is presumed to be partially controlled by the restricted distribution of the source rock that generated the hydrocarbons within the salt-withdrawal basin southwest of the weld but may have been in part controlled by a previously existing salt wall, or the weld that formed as a result of salt evacuation, acting as a barrier to lateral migration and serving as a vertical conduit for fluid flow. Upturned halokinetic strata adjacent to the weld provided a conduit for migration along bedding planes. Although no flowing seeps were seen during this study, we documented discoloration and remineralization, as well as the presence of waxyappearing soil that smelled like crude oil at some sites near the weld. Organic geochemical analyses confirm the presence of nonbiodegraded hydrocarbons along the salt-sediment interface and within adjacent, upturned lithologies up to 5 m (16 ft) southwest of the weld. The results document for the first time the definitive presence of actively migrating hydrocarbons associated with a subaerial salt weld. An oil-source rock correlation is inferred with the upper mudstone member of the Potrerillos Formation based on biomarker data. Thermal and subsidence modeling of the basin indicate that all of the strata in the basin are mature enough to have generated hydrocarbons. The lower part of the stratigraphie section entered the gas generation window, and much of the Cretaceous section and all of the Tertiary entered the oil window prior to uplift of the basin. Significant unroofing (as much as 7 km [4.3 mi] of sediment may have been removed) occurred sometime after the Eocene, as suggested by previous stuthes. Copyright © 2010. The American Association of Petroleum Geologists. All rights reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-77950304938&doi=10.1306%2f07130907012&partnerID=40&md5=d0f8c036a980779e734e231aea9fa6bb
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/13513
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:
Hudson S.M.,Hanson A.D.. Thermal maturation and hydrocarbon migration within La Popa Basin, Northeastern Mexico, with implications for other salt structures[J]. AAPG Bulletin,2010-01-01,94(3)