Water injection rate increase development test of Chengdao Oilfield in low-to-moderate cut stage

Chengdao Oilfield is a fluvial face unconsolidated sand reservoir, and sand pressure dropdown, mass production depression and some other development contradictions reveals gradually because of the rate, and develop the reservoir effectively. After increasing water injection rate in pra the production of offset producer improves, the mass production improves step development status improves apparently. ctice in July, 2005, by step, and the