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“地表就是映照地层的镜子”。4月10日至13日,中石化西北油田塔河采油一厂组织20名油藏地质研究和技术人员,开展“巴州开都河流域-三角洲沉积相地质精细考察与研究”。本次考察由集团公司石油勘探开发研究院地质专家蔡习尧、西北油田研究院总地质师李雪等专家进行理论与实践授课。塔河油田碎屑岩目前的主力开发层系为河流-三角洲相沉积储层,而开都河沿途现代沉积地质现象非常丰富,其中主要构成为湖相三角洲沉积体系、辫状河及曲流河沉积体系。这一地质特征与目前塔河油田碎屑岩油气开采的目的层,具有一定的可比性。考察组分别对开都河自上而下“辫状河沉积”、“曲流河沉积”、“湖相三角洲沉积”体系进行实地考察和研究,以此来揭开碎屑岩油藏地质结构“神
”The surface is the mirror mirroring the ground.“ From April 10 to April 13, a team of 20 reservoir geological experts and technicians was organized in the first oil production plant of Tahe Oilfield in Northwest Oilfield of Sinopec to carry out the ”fine geological investigation and study of the sedimentary facies of the basin in the open state of the basin in Bazhou“. The study was conducted by experts and experts in geology expert Cai Xianyao from Petroleum Exploration and Production Research Institute and Li Xue, chief geologist of Northwest Oilfield Research Institute. The main developmental layer of the clastic rocks in Tahe Oilfield is a river-delta facies sedimentary reservoir, while the modern sedimentary geology along the Kaidu River is very rich. The major components are the lacustrine delta sedimentary system, the braided river and the meandering river Deposition system. This geological feature is comparable with the current target layer of clastic oil and gas exploration in Tahe Oilfield. The inspection team conducted a field investigation and research on the ”Kaidi River sedimentary“, ”meandering river sediment“, and ”lacustrine sediment deposition“ systems from top to bottom in the Kaidu River Geological structure of the rock reservoir ”God