摘要
从生气母质、温压条件、构造作用和封盖条件四方面分析和总结了塔里木盆地凝析气藏的成藏条件。认为塔里木盆地的生气母质既有陆相腐殖型 ,又有海相腐泥型 ,但两种母质生凝析气的热演化阶段不一样。塔里木盆地凝析气藏富集温度为 70～ 130℃ ,压力范围为 35～ 6 0MPa。后期改造作用是生成次生凝析气藏的主要因素 。
The conditions, in terms of hydrocarbon source, temperature, pressure, tectonic activities and sealing, for the formation of condensate gas pools in the Tarim basin are analyzed and discussed. It is concluded that the gas generating kerogens are of both the land derived humic type and the marine sapropelic type, withthe two types generating gas condensates at different thermal evolutional stages. The temperature and pressure ranges for the gas condensate accumulations in the basin are 70-130℃ and 35-60?MPa, respectively. The existence of favorable regional capping beds is an important factor for the enrichment of gas condensates, while later phase tectonic reworking is the major factor for the formation of secondary gas condensate pools.
出处
《西南石油学院学报》
CSCD
2002年第4期1-4,共4页
Journal of Southwest Petroleum Institute
基金
国家教委"高等学校优秀青年教师教学科研奖励计划
