SB地区西山窑组上部地震相与沉积相分析

(1.西南石油学院勘探系,四川南充637001;2.成都理工学院石油系,四川成都;3.吐哈油田物探研究所,新疆哈密)

（1.Southwest Petroleum Inst 2.JOURNAL OF SOUTHWEST PETROLEUM INSTITUTE)

为了对无岩心和无露头地区进行油气勘探和油气藏描述,选用频率、振幅、连续性及内部反射结构等4个地震参数,对吐哈盆地SB地区西山窑组上部地层进行了地震相分析,并作出了地震相的平面分布图。经过地震解释,再把地震相转化为沉积相,结果表明:该区西山窑组时期主要发育辫状河三角洲及浅湖~深湖相沉积。

Seismic facies analysis of upper Xishanyao Fm. In SB area of Turpan-Hami basin was made on the four seismic parameters-frequency,amplitude, continuity and reflection structure.The map of seismic facies in the area was also drawn.The seismic facies has been transferred into sedimentary facies after interpretation.It is shown that braid river delta , mere and aphytal are main sedimentary facies in the study area during late Xishanyao period,Jurassic.

10.3863/j.issn.1000-2634.1999.03.010