...马家沟组;苏里格地区[gap=1427]keywords: dolomite; trace element; carbon oxygen and strontium isotope; Majiagou Formation; Sulige region...
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Upper Majiagou Formation 上马家沟组
Lower Majiagou Formation 下马家沟组
Ordovician Majiagou Formation 奥陶系马家沟组
Majiagou Formation of Ordovician 奥陶系马家沟组
The distribution of source rocks are controlled by the sedimentary facies of the Majiagou Formation and the basement tectonics of the basin.
烃源岩的分布受碳酸盐岩沉积相和盆地基底构造所控制。
The reservoir type is Ordovician weathering crust in the Lower Paleozoic, and the main gas layer is in the fifth member of Majiagou Formation.
储集层类型为下古生界奥陶系古风化壳型，其主力含气层为马家沟组第五段。
The gas of central gas field of Shan-Gan-Ning basin is produced from paleo-weathered crust dolostone reserviors of Majiagou formation on top Ordovician.
陕甘宁盆地中部气田的天然气产于奥陶系顶部古风化亮马家沟组白云岩储层中，储集空间的形成是不同期次溶蚀作用和充填作用相互作用的结果。
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