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原油中吡咯类化合物的地球化学特征及其意义
引用本文:李素梅,王铁冠,张爱云,郭绍辉,张水昌.原油中吡咯类化合物的地球化学特征及其意义[J].沉积学报,1999,17(2):312-317.
作者姓名:李素梅  王铁冠  张爱云  郭绍辉  张水昌
作者单位:1.石油大学;
基金项目:石油大学(北京)科学基金
摘    要:本文分析了塔里木盆地轮南海相、松辽盆地新站淡水湖相、朝阳沟-长春岭淡水-半咸水相、柴达木盆地尕斯库勒盐湖相原油中吡咯类化合物的分布特征,发现不同成因类型原油中吡咯类含氮化合物的丰度与相对分布有着显著的差异。文中进一步探讨了沉积环境、成熟度、母源、运移作用对该类化合物的可能控制作用。结果表明原油中吡咯类化合物的丰度与相对分布可能受控于多种地球化学因素,运移分馏作用与沉积环境可能是控制该类化合物的主要因素。成熟度、原始生源对该类化合物也有一定的影响。非烃中吡咯类含氮水合物在指示油气运移方向、指相以及成熟度方面有着潜在地球化学意义。

关 键 词:吡咯类化合物    沉积环境    成熟度    生源母质    运移效应
收稿时间:1998-09-02

原油中吡咯类化合物的地球化学特征及其意义
Institution:1.University of Petroleum,Beijing ChangPing 102200;2.China University of Geosciences,Beijing 100083
Abstract:The behaviour of pyrrolic compounds in oils from Lunnan area,Tarim Basin,Xingzhang and Chaochang oil-fields,Songliao Basin,and Gasikuke oil-field,Chaidamu Basin are investigated,which are representive of marin,fresh lake,fresh to half salt lake and salt lake origin correspondingly.It wsa founded that there are abviously differences among the oils of different genetic type in both richness and relative distribution.Several geochemical factors which may have influence on the compounds are also discussed,such as paleoenvironment thermal maturity,original source materical and oil migration.The results indicated that the content and distribution of pyrrolic compounds are controled by several factors,and oil fractionation during migration,paleoenvironment are possibly the main factors,furthermore,maturity and original source material are also have effects on the compounds.It was determinedthat pyrrolic nitrogen compounds have potential significance in evaluating oil migration,paleoenvironment and thermal maturity.
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