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17α(H)重排藿烷在塔里木盆地中的指相意义
引用本文:吕延防,张发强,吴春霞,王亚明.17α(H)重排藿烷在塔里木盆地中的指相意义[J].石油勘探与开发,2001,28(1):36-38.
作者姓名:吕延防  张发强  吴春霞  王亚明
作者单位:1. 大庆石油学院
2. 大庆油田公司采油六厂
摘    要:烃源岩抽提物和原油中的17α(H)-重排藿烷可能与细菌藿类先质有关,但是其含量的高低明显受沉积环境控制,在氧化至亚氧化沉积环境和酸性介质及黏土矿物催化作用下,细菌藿类先质易于发生重排,形成17α(H)-重排藿烷。从塔里木盆地库车坳陷、叶城凹陷和巴楚隆起的烃源岩发育特征和产物特征来看,17α(H)-重排藿烷具有明显的指相意义,即高含量的17α(H)-重排藿烷一般反映滨浅湖—沼泽相的煤系泥质烃源岩的沉积特征,这种沉积环境最具备形成17α(H)-重排藿烷的条件。图3参7(赵孟军摘)

关 键 词:塔里木盆地  17α(H)-重排藿烷  指相意义  油气勘探  烃源岩
修稿时间:2000年5月23日

The Special Sedimentary Facies Indicated by 17
ZHAO Menjun and ZHANG Shuichang.The Special Sedimentary Facies Indicated by 17[J].Petroleum Exploration and Development,2001,28(1):36-38.
Authors:ZHAO Menjun and ZHANG Shuichang
Affiliation:ZHAO Men jun, et al.
Abstract:It is known that, 17α(H)-diahopanes in extract and crude oil can be generated from hopanoid precursor, and their contents are obviously controlled by sedimentary environment, that is 17α(H)-diahopanes are generated easily by arranging through catalysis of acid clay in oxidation to sub-oxidation environment. So, 17α(H)-diahopanes have great indicating implication to sedimentary facies. In the article, the indicating implication to sedimentary facies for 17α(H)-diahopanes has been discussed through 3 examples of source rock and their hydrocarbons in Kuqa depression, Yecheng sag and Bachu uplift of the Tarim basin. The high content of 17α(H)-diahopanes generally indicates mudstone sedimentary of coal measure strata with shallow-lake shore to paludal facies which has the conditions easily generating 17α(H)-diahopanes.
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