中南大学学报(自然科学版)2012,Vol.43Issue(4):1394-1404,11.
辽河坳陷齐家-鸳鸯沟地区断层侧向封闭性综合评价
Comprehensive evaluation of fault lateral sealing ability in Qijia-Yuanyanggou area, Liaohe depression
摘要
Abstract
By fitting shale gouge ration (SGR) of faults that control traps and oil column sealed by it, the envelope curve of lateral sealing ability of faults was established and the quantitative lateral seal of evaluation methods was carried out, and a comprehensive evaluation to lateral sealing ability of faults in Qijia-Yuanyanggou area, Liaohe depression was conducted. The effect of fault activity after accumulation on the lateral sealing ability of faults was studied. The results show that SGR of faults that control traps and oil column sealed by it are exponential function, and faults activity after hydrocarbon accumulation is the main factor that impacts lateral sealing ability. When activity rate of faults that control traps is more than 2m/Ma after hydrocarbon accumulation, the lateral sealing ability of faults will be ruined. Controlling of lateral sealing ability on hydrocarbon accumulation performed as lateral sealing ability effect hydrocarbon fullness in traps and faults activity after hydrocarbon accumulation impacts the conservation and dispersion of accumulated hydrocarbon. Sha-2 and upper Sha-3 member of upper bench has best lateral sealing ability, and they are the favorable target for exploration.关键词
齐家-鸳鸯沟地区/断层/侧向封闭性/SGR/油气成藏/辽河坳陷Key words
Qijia-Yuanyanggou area/ faults/ lateral sealing ability/ SGR/ hydrocarbon accumulation/ Liaohe depression分类
能源科技引用本文复制引用
刘哲,付广,孙永河,孙同文,周君,张东伟..辽河坳陷齐家-鸳鸯沟地区断层侧向封闭性综合评价[J].中南大学学报(自然科学版),2012,43(4):1394-1404,11.基金项目
国家重点基础研究发展规划(“973”计划)项目(2001CB209104) (“973”计划)
国家科技重大专项项目(2008ZX05007-03,2011ZX05007-02) (2008ZX05007-03,2011ZX05007-02)