Xinjiang Petroleum Geology ›› 2006, Vol. 27 ›› Issue (6): 766-767.

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An Analysis of Difference of In-Place Oil and Gas Property

LI Chuan-liang, ZHANG Xue-lei   

  1. State Key Laboratory of Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China
  • Received:2006-07-06 Online:2006-12-01 Published:2020-10-21

Abstract: There are lots of differences for in-place oil and gas property. The main reasons for these differences are analyzed in terms of mechanisms of hydrocarbon generation, migration and accumulation. The first reason for that is the type of depositional organic matter and process of hydrocarbon generation; the second one is the differential gathering and gravitational differentiation. The post-diffusion and-oxidation is the major cause of densification of in-place oil.

Key words: petroleum property, hydrocarbon generation, gravitational differentiation, diffusion, oxidation

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