通过水驱一致性成功提高海上成熟稠油油藏产量

Yifan He, Xianbo Luo, Hongfu Shi
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引用次数: 2

摘要

Q油田位于渤海湾中部,是典型的河流成藏油藏。新近系明(Nm)组下段和馆陶(Ng)组上段为主要含油地层,埋藏深度为-950m ~ -1430m,河流沉积砂岩储层发育。明化镇组下段发育曲流河沉积,砂体以复杂曲流为主。馆陶组发育辫状河沉积。各油组具有良好的垂向叠加性,表现为高孔隙度、高渗透率(平均3000mD),但各油组的油粘度差异较大(从22mPa s~260mPa s)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Successfully Increasing Production of a Mature Offshore Heavy Oil Reservoir by Water Flooding Conformance
Q oilfield is a typical fluvial reservoir, which is located in the middle of Bohai Bay. Lower member of Ming (Nm) formation and upper member of Guantao (Ng) formation of Neogene are the main oil-bearing strata, with buried depth -950m ~ -1430m, and developed fluvial sedimentary sandstone reservoir. The lower member of Minghuazhen formation developed meandering river deposit, and sandbody was mainly composed of complex meandering. Guantao formation developed braided river deposit. Each oil group has a good vertical superposition, which shows high porosity and high permeability (average 3000mD), but the oil viscosity of each oil group is quite different (from 22mPa s~260mPa s).
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