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1·The major rock types were lithical arkose and arkose.

储层岩石类型主要为岩屑质长石砂岩和长石砂岩组成。

2·The types of main sandstone are debris sandstone and debris arkose.

砂岩类型以岩屑砂岩、岩屑长石砂岩为主。

3·The rock types of Chang 4 5 in this region are mostly arkose or lithic arkose sandstone.

研究区内长4 5储层的岩石类型主要为长石砂岩或岩屑质长石砂岩。

4·The main types of clastic sandstones are feldspathic litharenite and lithic arkose in the Cretaceous of the Songliao basin.

松辽盆地白垩系砂岩以长石岩屑砂岩和岩屑长石砂岩为特征。

5·The rocks are lithic arkose and arkose which are in low composition saturation and has high clay content, anhydrite, calcite and dolomite cements.

岩石类型为成分成熟度较低的岩屑长石砂岩和长石砂岩，并合较多的粘土矿物和硬石膏、方解石、白云石胶结物。

6·The reservoir lithology of oil bearing Huagang formation on Sudi structural belt in Xihu depression is mainly lithic arkose, feldspathic litharenite and feldspathic quartzitic sandstone.

西湖凹陷苏堤构造带花港组油层储集岩主要为岩屑长石砂岩、长石岩屑砂岩、长石石英砂岩，岩屑含量较少，岩石成分成熟度和结构成熟度均较高。

7·Among all sequence strata of exploration target, it mainly developed medium-coarse clastic arkose in high water system, which overlies and underlies the primary sequence interface as well.

在各勘探目的层层序地层内，主要发育于高水位体系域中中粗粒岩屑长石砂岩发育带，同时也主要位于主要层序界面上下。

8·Analysis results of a number of testing data indicated that: sandstone reservoir of Fu-Yang oil-bearing layer has lower composition maturity, mainly are feldspathic arenite and lithic arkose.

大量化验测试资料分析结果表明，扶杨油层砂岩储层成份成熟度较低，岩石类型以岩屑质长石砂岩和长石质岩屑砂岩为主。