BIODEGRADATION PRODUCTS OF CRUDE OIL FROM SHACAN-2 WELL

Yang Jianqiang

doi:10.11743/ogg19890105

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BIODEGRADATION PRODUCTS OF CRUDE OIL FROM SHACAN-2 WELL
Vol. 10, Issue 1, Pages: 30-34(1989)
Online First：25 March 1989，

Published：1989
DOI： 10.11743/ogg19890105
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DOI：

Yang Jianqiang. BIODEGRADATION PRODUCTS OF CRUDE OIL FROM SHACAN-2 WELL[J]. 1989, 10(1): 30-34. DOI： 10.11743/ogg19890105.

摘要

通过对原油中25-降-藿烷系列等化合物和原油沥青质热解产物的研究

作者认为沙参2井原油是两次聚集的原油的混合物

第一次聚集的原油经历了严重的生物降解作用

第二次聚集的原油未曾遭受生物降解。

Abstract

Shacan-2 well is a high yield oil well in the Tarim Basin

the reser-voir is Ordovician limestone.The author studied the biodegradation pro-ducts(25-nor-hopanes)in the oil

the pyrolysis product of the asphaltenefrom this well

and the extracts of Ordovician limestone core in Lunnan-1well.The author considered that the crude oil in Shacan-2 well is a mixtureformed by two accumulations.The crude oil accumulated at the first timeunderwent serious biodegradation

but the rest did not.