莺歌海盆地东方1-1气田中新统黄流组浅海多级海底扇形成机理及储层分布
李华, 杨朝强, 周伟, 何幼斌, 王玉, 彭旋, 李亚茹, 吕欣博

Genetic mechanism and reservoir distribution of shallow-marine multi-stepped submarine fans in the Miocene Huangliu Formation of Dongfang 1-1 gas field, Yinggehai Basin
Hua LI, Zhaoqiang YANG, Wei ZHOU, Youbin HE, Yu WANG, Xuan PENG, Yaru LI, Xinbo LYU
表1 东方1-1气田黄一段重力流沉积类型及特征
Table 1 Types and main sedimentary characteristics of gravity flow deposits of the 1st member of the Huangliu Formation in the Dongfang 1-1 gas field

沉积

类型

岩性分选地震相测井相厚度/m最小振幅属性值砂岩累计厚度/m

波阻抗/

(g·cm-3·m·s-1

水道中-细砂透镜状强反射,内部层状充填箱形、钟形、复合形> 326 ~ 9> 357 900 ~ 8 100
席状砂细砂、粉砂中等-差席状或楔状强反射,连续性中等-好箱形、指形、漏斗形16 ~ 324 ~ 1016 ~ 35< 7 900
扇缘砂粉砂板状弱反射,连续性弱-中等指形,低幅微齿< 32<3<16>8 100