The Second Type Tracts Of Chaoyanggou Oilfield

The article emphasizes on the key factors which constraint the development result, we have carried out research and debate about the infilled well pattern arrangement of the second type tracts of Chaoyanggou Oilfield. We have studied the infill technical limit and economic limit through correlative calculation and analytical method and real data. According to the angle of different well array and fracture , we have determined two kinds of infill manners of "3. 2 1" and "triangle centre of gravity" . Basing on this, we have summarized the injection adjusting techniques of different stages and responding characteristics of different well spacing after infilling. We also have carried out comprehensive evaluation and economic benefit of the development result after infilling. The research achievement has instructed the old area infilling effectively, has secured production replacement, and has promoted the continuing development of Chaoyanggou Oilfield.