1) the Chang 4+5 and Chang 6 oil-bearing beds
长4+5、长6油层组
1.
According to the characters of lithology, electricity and oilness, the Chang 4+5 and Chang 6 oil-bearing beds are subdivided into Chang 4+5~1, Chang 4+5~2, Chang 6~1,Chang 6~2 and Chang 6~3.
上三叠统延长组长4+5、长6油层组是它的主力产油层。
2) Chang4+52th reservoir
长4+52油组
3) Chang 4+5 reservoir
长4+5储层
1.
Based on the results of authentic sandstone micromodel experiment,the microanisotropic characteristics of Chang 4+5 reservoirs in the Baibao area of the Ordos Basin were really analyzed.
通过真实砂岩微观模型实验,分析了鄂尔多斯盆地白豹地区长4+5储层的微观非均质性特征,发现该区长4+5储层为致密型砂岩,真实砂岩微观模型实验直观地显示出长4+5储层具有很强的微观非均质性,砂岩的成岩作用和孔隙结构是影响本区长4+5储层微观非均质性的主要原因。
2.
The petrologic characteristics,diagenesis and pore types in Chang 4+5 reservoir of the Jiyuan oilfield in Ordos Basin are studied by varied methods,including examination of the normal physical properties,thin-section & casting thin-section,heavy minerals,X-ray diffraction and SEM analysis.
长4+5储层孔隙主要以粒间孔和长石溶孔为主,粒间溶孔次之,孔隙组合一般以粒间孔和溶孔-粒间孔为主。
4) Chang 4+5 reservoir
长4+5油藏
5) Chang4+5 member mudstone
长4+5段泥岩
6) chang4+5 depositional period
长4+5沉积期
1.
Study on Paleoenvironment of the Late Triassic chang4+5 depositional period of the Baibao area in Ordos Basin;
鄂尔多斯盆地白豹地区晚三叠世长4+5沉积期古环境研究
参考词条
补充资料：长岑长
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