孤岛油田储层建筑结构研究

F luvial reservo ir architectural element analysis of
Gudao O ilfie ld

刘 强 张 莹 陈清华

Liu Qiang, Zhang Y ing, Chen Q inghua

中国石油大学地球资源与信息学院, 山东东营257061

College of Geo - R esources and
Information, China University of Petroleum, Dongy ing
257061, China

A ccording to the theo ry of hierarchy o f stra tigraphy, the
reservo ir o f Gudao o il area is div ided into ten levels as
fo llow s: stratig raph icm em ber, stratig raph ic subm ember, o ilbearing
bed, sand set, layer, sandbody, gene tic sand,
depositiona l rhythm w ithin gene tic sand, assem blage o f cross
- lam inae system, cro ss - lam inae system. Through
observation of dr ill co re and ana lysis o f w e ll logg ing curves
embody ing rese rvo ir charac teristics, six types o f arch itectura l
elem ents are identified: m a in channe l sandbody, abandoned
channe l sandbody, crevasse- channel sandbody, crevasse -
splay sandbody, natural levee sandbody and concave flood
p la in sandbody. Architectural planem aps a re fina llym ade on
the sandbody level