It may be concluded that the sedimentary facies, tectogenetic movement, the formation water and geothermic gradient are all important factors to form the oil-bearing sandstone.
结果表明，沉积相、构造运动、地层水的性质及地温梯度等都是促成含油砂岩形成的重要因素。
Dense weathering cracks as new bearing water space have been discovered, and it is known that grain void was formed in soil formation processes and was not formed in depositional processes.
进而发现了密集风化裂隙含水空间的新类型，提出了粒间孔隙不是沉积形成的，而是土壤化的产物。
Aim To recognize the complicated oil and water layers in Chang 2 oil-bearing formation of Donghan area in Dingbian oilfield.
目的研究定边东韩地区长2油层组复杂油水层的识别。
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