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Application of Statistical Methods to Biomarkers for Geochemical Evaluation and Genetic Type Determination of Gas Condensates in the Persian Gulf and Coastal Fars, Southern Iran
投稿时间:2019-03-07  修订日期:2019-07-15  点此下载全文
引用本文:Mohammad Javad SEIDY,Mohammad Hossein SABERI.2022.Application of Statistical Methods to Biomarkers for Geochemical Evaluation and Genetic Type Determination of Gas Condensates in the Persian Gulf and Coastal Fars, Southern Iran[J].ACTA GEOLOGICA SINICA(English edition),96(4):1246~1256
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DOI:10.1111/1755-6724.14380
作者单位E-mail
Mohammad Javad SEIDY 1 Petroleum Engineering Department, Semnan University, Semnan, Iran  
Mohammad Hossein SABERI 2 The New Technology Campus, Petroleum Engineering Department, Semnan University, Semnan, Iran mh.saberi@semnan.ac.ir 
 
Author NameAffiliationE-mail
Mohammad Javad SEIDY 1 Petroleum Engineering Department, Semnan University, Semnan, Iran  
Mohammad Hossein SABERI 2 The New Technology Campus, Petroleum Engineering Department, Semnan University, Semnan, Iran mh.saberi@semnan.ac.ir 
Abstract:In a comprehensive geochemical study, the genetic relationships among 14 samples of gas condensates from the Persian Gulf were investigated for the purpose of evaluating the respective source rocks in terms of both age and sedimentary paleoenvironment. Chemometric analysis was used for categorization and determination of a certitude range to determine the genetic type of the condensate families in the studied basin. The samples were collected from Late Permian – Triassic reservoirs (Dalan and Kangan formations) located in 6 gasfields (gas condensate) hosting some of Iran’s most important gas/gas condensate reserves. Obtained by gas chromatography-mass spectrometry (GC-MS), a total of 16 biomarker parameters (10 maturity-related parameters and 6 sedimentary environment-related parameters) were used to evaluate the samples in terms of thermal maturity (and hence their positions in the maturity chart), the sedimentary environment of the source rock and the lithology. Application of Hierarchical Clustering Analysis (HCA) and Principal Component Analysis (PCA) to the collected data led to the categorization of the samples into three main genetic groups, I–III. Groups I and III were found to be located in the east and the west of the Persian Gulf, respectively, while Group II was developed between the two other groups.
keywords:gas condensate, satistical methods, genetic linkage, thermal maturation, Persian Gulf, Coastal Fars
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