One of the crucial issues in reservoir engineering study is how to choose pattern well spacing in order to reach the highest recovery and optimal economic efficiency by waterfooding process for field development project designing and well pattern infill or adjustment 摘要在油田注水开发方案设计和井网加密调整工作中,选用何种布井方式或井网密度,使油田水驱采收率获得最高、油田开发经济效益达到最优,这一直是油藏工程研究的主要问题之一。