西北地质2017，Vol.50Issue(4)：200-208,9.
鄂尔多斯盆地下寺湾油田长2储层高含水低稳产特征与主控因素研究
Characteristics and Main Controlling Factors of Chang 2 Reservoir with Low Stable Production and High Water Cut in the Xiasiwan Oilfield, Ardos Basin
摘要
Abstract
This thesis has researched the reason why Chang 2 oil-bearing formation has high water cut (approximately 90％) but has the main producing layers for more than 30 years in Xiasiwan,which cause our curiosity and attention.On the basis of the theory of the petroleum geology,the reasons for the Chang 2 has high water cut and low stable production have been discovered by using the theory and method of the advanced petroleum system and system science method,carrying out the related geology investigations,analyzing and studying the conventional thin sheet and casting thin sheet technology.The results show that the Chang 2 high water cut reservoir in Xiasiwan Oilfield has five geological causes,including the natural fracture system cause,porosity cause,permeability causes,hydrocarbon closure cause and formation water cause.According to faces-potential-source coupling,the source of Chang 2 still comes from Chang 7.The Xiasiwan oilfield is near the heart of the lake,which caused the stable mechanism of oil supply and accompanied by the factors of sedimentary facies and structural characteristics.Thus,the special reservoir system of high water cut and low stable production in Chang 2 reservoir has been brought up,which has been controlled by the faces-potential-source coupling.关键词
鄂尔多斯盆地/长2储层/高含水、含油气系统理论Key words
Ardos basin/Chang 2 reservoir/high water cut and petroleum-bearing system分类
天文与地球科学引用本文复制引用
袁广金,邢芬,高倩,刘秉晞,张舂燕,贺志亮..鄂尔多斯盆地下寺湾油田长2储层高含水低稳产特征与主控因素研究[J].西北地质,2017,50(4):200-208,9.基金项目
延长股份有限公司勘探部“延长油田南部探区致密油藏体积压裂参数优化”项目(ycsy2016ky-A-01) （ycsy2016ky-A-01）
