DOI: 10.1306/09031312239
Scopus记录号: 2-s2.0-84899499432
论文题名: Sedimentology, stratigraphy, andreservoir properties of an unconventional, shallow, frozenpetroleum reservoir in the Cretaceous Nanushuk Formation at Umiat field, North Slope, Alaska
作者: Shimer G.T. ; McCarthy P.J. ; Hanks C.L.
刊名: AAPG Bulletin
ISSN: 0149-1549
EISSN: 1558-9279
出版年: 2014
发表日期: 2014
卷: 98, 期: 4 起始页码: 631
结束页码: 661
语种: 英语
Scopus关键词: Abandoned wells
; Deposition
; Petroleum reservoirs
; Sandstone
; Sedimentology
; Stadiums
; Stratigraphy
; Well logging
; Bioturbation
; Delta plain
; Depositional environment
; Depositional system
; Oil and gas accumulation
; Permeability anisotropy
; Petroleum reserve
; Upper shoreface
; Petroleum reservoir evaluation
; anisotropy
; bioturbation
; Cretaceous
; depositional environment
; permeability
; reservoir characterization
; sandstone
; well logging
; Alaska
; Brooks Range
; North Slope
; United States
Scopus学科分类: Energy
; Earth and Planetary Sciences
英文摘要: Numerous oil and gas accumulations exist in the Brooks Range foothills of the National Petroleum Reserve in Alaska (NPRA). We use cores and well logs from 12 abandoned legacy wells at Umiat field, near the southeastern boundary of the NPRA, to characterize the sedimentology and stratigraphy of unconventional shallow frozen reservoirs in sandstones of the Cretaceous (Albian-Cenomanian) Nanushuk Formation. The Nanushuk Formation at Umiat has five facies associations: offshore and prodelta, lower shoreface, upper shoreface, delta front, and delta plain. Three stratigraphically distinct, regionally extensive Nanushuk Formation depositional systems at Umiat contain several potential petroleum reservoirs. The lower Nanushuk Formation, including a reservoir interval known informally as the lower Grandstand, primarily consists of marine mudstone and shoreface sandstones. The middle Nanushuk Formation is dominantly deltaic and contains a second major reservoir interval in the informal upper Grandstand sandstone. Both the upper Grandstand and lower Grandstand are regressive. The transgressive upper Nanushuk Formation contains an additional potentitial reservoir interval in shoreface sandstones of the informal Ninuluk interval. The primary reservoir intervals at Umiat field are upper shoreface and delta-front sandstones in the upper Grandstand and lower Grandstand, where increased sorting and decreased bioturbation in high-energy depositional environments affect overall permeability and permeability anisotropy. Copyright ©2014. The American Association of Petroleum Geologists. All rights reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84899499432&doi=10.1306%2f09031312239&partnerID=40&md5=cf941c69b54cd9184021623810652c22
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/13120
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:
Shimer G.T.,McCarthy P.J.,Hanks C.L.. Sedimentology, stratigraphy, andreservoir properties of an unconventional, shallow, frozenpetroleum reservoir in the Cretaceous Nanushuk Formation at Umiat field, North Slope, Alaska[J]. AAPG Bulletin,2014-01-01,98(4)