油气地质与采收率2013，Vol.20Issue(1)：11-15,5.
哈密坳陷三叠系层序地层与沉积特征
Triassic sequence stratigraphy and sedimentary characteristics in Hami depression
摘要
Abstract
The Triassic of Hami depression is an important source rock and reservoir stratum. It is divided into one second-class se-quence and four third-class sequences. Each third-class sequence is consisted of two or three system tracts, including lowstand system tract, highstand system tract, transgressive system tract. The Triassic of Hami depression is mainly developed as braided river, meander-ing river, braided river delta, meandering river delta and lacustrine facies. Among these, the meandering river delta and braided river delta are main reservoir facies belt, the lacustrine facies is favorable source rock and cap rock facies belt. From early to middle Triassic epoch, south central gentle slope of Hami depression is extensively developed as braided river facies, north and the north-west of Hami depression is developed as meandering river facies. In late Triassic Huangshanjie group and Haojiagou group period, the braided river deltas are developed, in late Karamay group, the meandering river delta is developed, which is the favorable belt for locating lithologic reservoirs.关键词
层序地层/沉积相/沉积特征/三叠系/哈密坳陷Key words
sequence stratigraphy/sedimentary facies/sedimentary characteristics/Triassic/Hami depression分类
能源科技引用本文复制引用
王军,宋明水,姜素华,郭铮..哈密坳陷三叠系层序地层与沉积特征[J].油气地质与采收率,2013,20(1):11-15,5.基金项目
国家科技重大专项"大型油气田及煤层气开发"(2009ZX05009-001). （2009ZX05009-001）
