鄂尔多斯盆地西部中区延长组下部是近两年来发现的勘探新层系，油藏具有上生下储的成藏特征。
The lower Yanchang formation was a new exploration area in the middle of the west Ordos basin.
油坊庄地区位于鄂尔多斯盆地陕北斜坡西部。
Youfangzhuang area lies in the west of Northern Shanxi Slope, Ordos Basin.
山西西部柳林鼻状构造处于鄂尔多斯盆地东缘的河东煤田中段，是我国煤层气勘探的重要选区之一。
Liulin nose structure located in the central Hedong coal field, eastern Ordos Basin, Western Shanxi Province, is one of the most important regions chosen for exploration of coalbed gas.
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