Author(s)

He Cuilan

Corresponding Author

He Cuilan

Abstract

After water flooding in Sanan Oilfield enters the ultra-high water cut stage, the distribution of remaining oil is highly scattered, and it is more and more difficult to control water cut rise and production decline. To this end, the special opening oil layer has a small perforation thickness, high water cut, imperfect injection and production relationship, and low degree of multi-directional connectivity control in the southern X zone test area, through the fine hole filling measures to rebuild and tap different types of remaining oil to improve mining. Out of degree.

Keywords

Residual oil, scattered distribution, hole filling