摘要
受区域构造和沉积环境的影响,华北油田已开发的砂岩油藏以复杂断块砂岩油藏为主,且大多数处于中高含水期。以典型的复杂断块砂岩油藏——岔河集油田为例,在层序地层学指导下,创新应用"井震控局、沉积控面、模型控线、动态控点"的精细统层对比技术,实现了全三维闭合精细地层对比;利用油藏工程方法,创新提出"分阶段、先动态、寻增量、定权值、给约束"的劈产技术,实现了油藏内多层合采的油砂体的产量归位,在单砂体剩余油潜力量化上实现重大突破,取得了较好的挖潜效果,为华北油田在复杂断块砂岩油藏上规模化实施"二次开发"提供了扎实地质基础与技术借鉴。
Due to the effect of regional structures and sedimentary environment,the sandstone reservoirs in Huabei Oilfield that have been developed were dominantly complicated fault-block sandstone reservoirs and most of them were at high water-cut stage.By taking Chaheji Oilfield for example,it was a typical complicated fault-block sandstone reservoir in Huabei Oilfield.Guided by sequence strategraphy,full 3D closed fine strategraphic correlation was realized by innovatively using fine strategraphic statistics and correlation technology of seismic-well controlling systems,sedimentation controlling areas,model controlling lines and performance controlling points.And by using oil reservoir engineering methods,this paper initially puts forward a production splitting technology which is composed of grading,dynamic preference,seeking for production increment,setting the weights and setting the constraining.Based on this novel technology,the commingled production is implemented in the reservoir,quantification of remaining oil potentiality of single sandbody is great breakthrough and better potential tapping results are obtained.In this way,it provides geologic basis and technical reference for the secondary development of complicated fault-block sandstone reservoirs in Huabei Oilfield.
出处
《石油天然气学报》
CAS
CSCD
2014年第10期55-58,5,共4页
Journal of Oil and Gas Technology
基金
中国石油天然气股份有限公司重大专项(2014E-35-06)
关键词
高含水期
复杂断块
砂岩油藏
岔河集油田
油藏描述
high water-cut stage
complicated fault block
sandstone reservoir
Chaheji Oilfield
reservoir description
