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川西新场气田下沙溪庙组气藏预测评价研究
引用本文:吕正祥,卿淳,曾小英.川西新场气田下沙溪庙组气藏预测评价研究[J].石油实验地质,2001,23(4):400-402.
作者姓名:吕正祥  卿淳  曾小英
作者单位:1. 成都理工学院,四川,成都,610059
2. 西南石油局川西天然气开发公司,四川,成都,610081
3. 西南石油局地质综合研究院,四川,成都,610081
摘    要:新场下沙溪庙组气藏是川西致密碎屑岩远源气藏中新近发现的又一含气层段.文中通过对该气藏基本地质特征及含气砂体地球物理特征的研究,总结出该气藏天然气富集的控制因素主要为储层沉积微相,含气砂体表现为“中-强振幅和低阻抗“的负反射地震响应特征.在对气藏特征认识的基础上,作者结合有利储层微相展布及地震响应等特征对气藏进行了预测评价.

关 键 词:储层  气藏  预测评价  新场气田  川西
文章编号:1001-6112(2001)04-0400-03
修稿时间:2000年7月13日

PREDICTION AND EVALUATION OF GAS RESERVOIRS IN THE LOWER SHAXIMIAO FORMATION OF XINCHANG GASFIELD, WEST SICHUAN PROVINCE
LU Zheng-xiang ,QING Chun ,ZENG Xiao-ying.PREDICTION AND EVALUATION OF GAS RESERVOIRS IN THE LOWER SHAXIMIAO FORMATION OF XINCHANG GASFIELD, WEST SICHUAN PROVINCE[J].Petroleum Geology & Experiment,2001,23(4):400-402.
Authors:LU Zheng-xiang  QING Chun  ZENG Xiao-ying
Affiliation:LU Zheng-xiang 1,QING Chun 2,ZENG Xiao-ying 3
Abstract:The gas pool in the Lower Shaximiao Formation of Xinchang gasfield is another gas-bearing interval discovered recently in the distal gas reservoirs of tight clastic rock in West Sichuan province. By study on the geophysical properties of gas-bearing sandbodies and the basic geological characteristics of the gas pool in this paper, it is summarized that the control factors of natural gas enrichment for this gas pool are mainly reservoir sedimentary microfacies and gas-bearing sand bodies show the negative reflection seismic response features of me-dium-strong amplitude and low impedance. Based on the acknowledge of gas pool characteristics, the gas pool is predicted and evaluated combined with favorable reservoir microfacies distribution, seismic response and other characteristics.
Keywords:reservoir  gas pool  prediction and evaluation  Xinchang gasfield  West Sichuan province
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