摘要
文东油田属欠压实型异常高压非均质油藏,储层渗透率低,渗流阻力大,存在启动压差,严重的非均质性导致水驱动用极不均衡;特殊的地质条件使分层工艺适应性差,注水开发难度大。采用逐层上返与细分层系相结合的开发方式,使用以注采压相结合的配套技术,实现了高效注水开发。文东深层低渗非均质异常高压砂岩油田高效开发实践对科学合理开发同类油田具有借鉴意义。
Wendong Oilfield belongs to under compacted abnormal high pressure and heterogeneous reservoirs with low reservoir permeability and big percolating drag, there exist starting pressure difference and serious heterogeneity which results in extreme non-balance of waterflooding withdrawal , poor adaptability of stratification process and big difficulty of waterflooding caused by special geologic conditions. The mode of backflowing layer by layer combined with subdivision is used and high efficiency waterflooding is implemented by using matching technique of waterflooding and keeping formation pressure. The effective development of Wendong sandstone oilfield with deep low permeability and abnormal high pressure is significance for scientific and rational development of similar oilfields.
出处
《江汉石油学院学报》
CSCD
北大核心
2004年第3期94-96,共3页
Journal of Jianghan Petroleum Institute
基金
中国石油化工股份有限公司"十五""十条龙"项目(P01034)。
关键词
深层
低渗透
非均质
高压
砂岩油气藏
油田开发
文东油田
deep layer
low permeability
heterogeneity
high pressure
sandstone reservoir
oilfield development
technique
Wendong Oilfield
