牛庄洼陷东坡沙四段是2004年以来发现的一套新的含油层系。
The forth segment of Shahejie formation(ES_4) is a new oil-bearing series found in the east slope of Niuzhuang Sag since 2004.
姚店油田北区位于鄂尔多斯盆地陕北斜坡东部，三叠系延长组是其主要的含油层系。
Northern Yaodian Oilfield lies on eastern part of Shanbei Slope in Ordos Basin and the primary oil-bearing bed is Yanchang Formation.
前者多为继承性盆地，含油层系多、远景好，后者多为残余盆地，含油气情况复杂。
The former are mostly an inherited basin, with various oil-bearing sequences and better oil potential; and the latter are mostly a residual basin, with complex hydrocarbon condition.
应用实例表明，该方法在断层少，含油层系单一的小型断块油气田具有一定的实用价值。
The method is practical for the small fault-block oil and gas fields, which are a few fault and simple reservoir.
面120区位于八面河油田西南端，主要含油层系为下第三系沙河街组沙三段与沙四段。
Mian-120 Area is located on the south-west end of Bamianhe Oilfield, the main reservoirs include Sha-3 Zone and Sha-4 Zone of Shahejie formation of palaeogene system.
文南油田是地质构造破碎，油层埋藏深，压力系数高，渗透率低，含油层系多的复杂断块油田。
Wennan oilfield is complex fault-block oilfield with cracked structures, deep oil-bearing formations, high pressure coefficient, low penetrability and much more oil-bearing series.
第二含油层系潜江组的原油，一是来自本组未成熟烃源岩，二是来自下伏新沟嘴组下段烃源岩。
Oil in Qianjiang Formation in the second oil bearing series comes both from an immature source rock in this Formation and from the Lower Xingouzui Formation source.
曲堤油田属于典型的复杂断块油田，具有构造复杂、含油层系多、原油性质和产能动态特点差异大、油藏类型多样等特点。
Qudi oilfield is a typical complex fault block oilfield. It has complex structure, many oil - bearing strata, various oil properties and production perfonnances, and various reservoir types.
克拉玛依油田八区下乌尔禾组为一套以砾岩为主的粗碎屑沉积，是该区最重要的含油层系。对其地层的划分与对比，是长期存在的一个问题。
Lower Urho Formation in Region 8 of Karamay Oilfield is an important oil-bearing series, where gravel is dominated. the classification and correlation of its strata are the long existed problems.
克拉玛依油田八区下乌尔禾组为一套以砾岩为主的粗碎屑沉积，是该区最重要的含油层系。对其地层的划分与对比，是长期存在的一个问题。
Lower Urho Formation in Region 8 of Karamay Oilfield is an important oil-bearing series, where gravel is dominated. the classification and correlation of its strata are the long existed problems.
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