Origin of Ring Preference of Light Hydrocarbons in Continental Petroleum, Pearl River Mouth Basin
Received date: 2008-09-08
Revised date: 2009-01-06
Online published: 2009-02-10
Based on the data of the 28 continental oils in Pearl River Mouth Basin, the three-ring preference (3RP) is greater than 5RP and 6RP in LHs from fresh water lacustrine facies source rocks. The three-ring preference (3RP) is less than 5RP and 6RP in LHs from coal-measures source rocks. The transition metals and their structures of the surrounding ligands in fresh water lacustrine facies source rocks are favor to k3(velocity constant).Kerogen Ⅰand Ⅱ1 are favorable to forming the 3RP, higher content of C7-isoalkanes exist in the LHs. The transition metals and their structures of the surrounding ligands in coal-measures source rock are favor to k5 and k6,kerogenⅡ2 and III are likely to form 5RP and 6RP,LHs contain high amount of C7-cycloalkanes and toluene.
ZHU Jun-Zhang, SHI He-Sheng, WANG Jian-Rong, LONG Jie-Lie . Origin of Ring Preference of Light Hydrocarbons in Continental Petroleum, Pearl River Mouth Basin[J]. Natural Gas Geoscience, 2009 , 20(1) : 15 -19 . DOI: 10.11764/j.issn.1672-1926.2009.01.15
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