石油勘探与开发2012,Vol.39Issue(2):181-188,8.
珠江口盆地惠州凹陷古近系水溶气资源潜力
Resource potential of water-soluble gas in the Palaeogene Huizhou Sag,Pearl River Mouth Basin
摘要
Abstract
Based on the formation mechanism of water-soluble gas, combined with the geological conditions of the Palaeogene Huizhou Sag, the resource potential and utilization of water-soluble gas in the Palaeogene source rock in the Huizhou Sag are analyzed quantitatively using grid calculation method. The Palaeogene Wenchang and Enping Formations of the Huizhou Sag are major source rocks that generate significant quantities of gas and the sandstone reservoirs are weakly overpressured to overpressured on the whole. Calculated according to the thickness, sandstone content, porosity, water saturation, strata pressure, temperature, and mineralization of the Wenchang and Enping Formations, the resource volume of water-soluble gas is about 1 791.49×lO3 m3 and 2 688.5×l0 8 m3, 1.19 and 3.46 times that of the conventional gas, respectively. If the strata pressure is relieved to normal pressure, the degasification volume is 80.84×l08 m3 and 97.04×l08 m3. The water-soluble gas is an unconventional resource with great potential, and can provide substantial gas source for conventional pools through degasification.关键词
水溶气/非常规资源/脱溶作用/资源潜力/古近系/惠州凹陷Key words
water-soluble gas/ unconventional resources/ degasification/ resource potential/ Palaeogene/ Huizhou Sag分类
能源科技引用本文复制引用
徐思煌,李松峰,袁彩萍..珠江口盆地惠州凹陷古近系水溶气资源潜力[J].石油勘探与开发,2012,39(2):181-188,8.基金项目
国家科技重大专项子课题“南海东部海域富生烃凹陷评价及新领域勘探方向”(2008ZX05023-001-006) (2008ZX05023-001-006)