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Hydrogen, oxygen, helium and strontium isotopic constraints on the formation of oilfield waters in the western Qaidam Basin, China
Tan, Hongbing1; Rao, Wenbo; Ma, Haizhou2; Chen, Jiansheng; Li, Tingwei2
2011-01-20
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
Volume40Issue:2Pages:651-660
SubtypeArticle
AbstractSurveys and exploration for oil and gas have revealed many oil-field brines in the Tertiary strata of the western Qaidam Basin, China. The source and formation of these brines are unclear. Brine samples collected from petroleum wells in the oilfield area were analyzed for their general chemical composition and for hydrogen, oxygen, strontium and helium isotopes in order to trace their origin, formation, and resource distribution. Results show that the concentrations of resources such as K, B, Sr, Br and Li are unusually enriched in oil-field brines and have excellent potential for development and utilization in future. The geology, H, O, Stand He isotopic composition, the chemical composition, and the geophysical measurements all show that the tertiary oil-field brines predominantly originated from the deep mixture of formation water and magmatic residual fluids in the western Qaidam Basin. The tectonic geology, intense and frequent magmatic-hydrothermal activity as well as high (3)He/(4)He ratio indicate that the magmatic fluids possibly originate from the upper mantle-derived magmatic fluids. Thus, according to our interpretation of the formation and evolution of the oilfield brine, this source is adequate for the volume and composition to be explored and utilized latterly. (C) 2010 Elsevier Ltd. All rights reserved.
KeywordOilfield Brine Isotope Deep Fluids Qaidam Basin
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordMICHIGAN BASIN ; ORIGIN ; EVOLUTION ; BRINES ; GEOCHEMISTRY ; USA ; CHEMISTRY ; CHLORINE ; BEHAVIOR ; BROMINE
Indexed BySCI
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000286846400016
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/5990
Collection青海盐湖研究所知识仓储
盐湖地质与环境实验室
Affiliation1.Hohai Univ, State Key Lab Hydrol Water Resources & Hydraul En, Sch Earth Sci & Engn, Nanjing 210098, Peoples R China
2.Chinese Acad Sci, Inst Salt Lakes, Xining 810008, Peoples R China
Recommended Citation
GB/T 7714
Tan, Hongbing,Rao, Wenbo,Ma, Haizhou,et al. Hydrogen, oxygen, helium and strontium isotopic constraints on the formation of oilfield waters in the western Qaidam Basin, China[J]. JOURNAL OF ASIAN EARTH SCIENCES,2011,40(2):651-660.
APA Tan, Hongbing,Rao, Wenbo,Ma, Haizhou,Chen, Jiansheng,&Li, Tingwei.(2011).Hydrogen, oxygen, helium and strontium isotopic constraints on the formation of oilfield waters in the western Qaidam Basin, China.JOURNAL OF ASIAN EARTH SCIENCES,40(2),651-660.
MLA Tan, Hongbing,et al."Hydrogen, oxygen, helium and strontium isotopic constraints on the formation of oilfield waters in the western Qaidam Basin, China".JOURNAL OF ASIAN EARTH SCIENCES 40.2(2011):651-660.
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