Theoretical understandings, key technologies and practices of tight conglomerate oilfield efficient development: A case study of the Mahu oilfield, Junggar Basin, NW China

LI Guoxin,QIN Jianhua,XIAN Chenggang,FAN Xibin,ZHANG Jing,DING Yi

Table 5 Comparison of typical well engineering parameters at different well spacing.

Well number Well spacing/ m Horizontal section length/m Drilling and completion cycle/d Production time Fracturing stage Cluster number Cluster spacing/ m Sanding amount/ m3 Fracturing fluid volume/m3 Fracturing cycle/d Fracturing technology M1213 500 1785 138 2017/11 17 32 35 24 003 1240 11 Cementing bridge plug M1324 400 2005 96 2015/12 26 78 21 20 163 2070 13 Cementing bridge plug M1310 300 1615 118 2017/08 25 49 33 30 016 1850 13 Cementing bridge plug M1226 200 1604 70 2018/07 21 48 32 27 300 1715 8 Cementing bridge plug M1242 150 1802 59 2019/08 24 136 13 50 815 3275 11 Fast drilling bridge plug M1247 100 1803 42 2019/08 29 61 29 27 110 1889 21 Fast drilling bridge plug