求翻译：鄂尔多斯盆地大牛地气田位于内蒙古自治区伊克昭盟伊金霍洛旗、乌审旗和陕西省榆林市交界处，根据沉积特点自下而上太原组分为太1段、太二段，山西组分为山1段、山2段，下石盒子组分为盒1段、盒2段、盒3段。主要储集层太原组为障壁砂坝，山西组为分流河道砂，下石盒子组为河道砂。本文通过对该地沉积特征，沉积模式，沉积相划分的研究和对下石盒子组单井相分析， 连井剖面分析，平面沉积相分析等沉积相分析以及通过对钙质胶结物含量与高岭石含量比值指示沉积环境水体的变化，以次来确定该地沉积相。是什么意思？

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Ordos basin gas field is located in the cattle in Inner Mongolia Autonomous Region, ASEAN-holo flag the flag, and the Shaanxi Provincial Yulin City junction based on sediment characteristics, bottom-up Taiyuan group is divided into 1 segments, paragraph 2, the Shanxi is divided into 1 groups of 2, o

The Erdos basin big cow natural gas field is located Inner Mongolia Autonomous Region ih ju meng Ikin Huo Luoqi, the Uxin banner and the Shanxi Province Yulin intersection point, divides into too 1 section from bottom to top according to the deposition characteristic Taiyuan group, too two sections,

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