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我国含油气盆地沉积岩及原油中卟啉的液相色谱特征
石油与天然气地质
1986年 7卷 第No.4期
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Title
LIQUID CHROMATOGRAPH CHARACTERISTICS OF PORPHYRINS IN SEDIMENTARY ROCKS AND CRUDE OILS OF PETROLIFEROUS BASINS OF CHINA
Authors
Yang Zhiqiong
Li Xiaohui
Zhang Ling
摘要
辽河西斜坡油田生油岩的 DPEP/ETIO 值随井深增大而降低,ETIO 与卟啉总量之比随井深增大而增大。油页岩卟啉以 DPEP 为主,DPEP/ETIO 值不随埋藏深度而变。根据卟啉含量及类型,可将我国原油分为4类。
Abstract
Porphyrins in crude oils,source rocks and oil shales in China are mainly DPEP and ETIO.With the increase of burial depth,the ratio DPEP/ETIO of source rocks decreases gradually and high-carbon-number porphyrins(D,E)change into low-carbon-number ones.But the ratio DPEP/ETIO of oilshales does not change with burial depth.According to the contents and types of porphyrins,the chinese crude oils can be divided into 4 kinds:biodegradedoil,immatured oil,matured oil and higher matured oil.
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