胡尖山油田A17区长4+5低渗透油藏排状注水可行性研究
Petrochemical Industry Application(2016)
Abstract
A17区长4+5低渗透油藏采用菱形反九点井网注水开发,该区存在NE40°优势水驱方向,注入水沿优势方向突进,油井表现出暴性水淹,水淹油井比例较大;而侧向井水驱效率低,油井见效差,地层压力水平低,油井产液能力低;为此结合目前油井水驱效果、油层物性特征、压力分布、油井动态变化,研究该区排状注水可行性,为下一步油藏高效开发提供一定指导.
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