Fault-sand combination modes and hydrocarbon accumulation in Binhai fault nose of Qikou Sag, Bohai Bay Basin, East China

ZHOU Lihong,HAN Guomeng,DONG Yueqi,SHI Qianru,MA Jianying,HU Jinnan,REN Shichao,ZHOU Kejia,WANG Jincheng,SI Weiliu

Table 1 Statistics on fault elements of Binhai fault nose in Qikou Sag.

Fault Strike Dip Exten- sion/km Main active period Max active period Activity rate/ (m?Ma-1) NE SE 20.0 Es3—Nm Es1 250 F2 SE SW 5.5 Es1—Ed Ed 140 F3 NNE SEE 10.8 Es1—Nm Ed 120 f1 NNE SEE 5.8 Es1—Ed Ed 85 f2 NE SE 2.9 Ed Ed 40 f3 NEE SSE 6.1 Es1—Ed Ed 70 f4 EW NS 5.0 Es1—Ed Ed 75 f5 NE SE 3.3 Es1 Es1 30 f6 EW NS 6.3 Es1—Ed Ed 110 f7 EW NS 6.6 Ed Ed 90 f8 EW NS 8.1 Es1—Ed Ed 85 f9 EW NS 2.9 Ed Ed 40 f10 EW NS 2.8 Ed Ed 25 f11 EW NS 4.8 Es1-Ed Ed 90 f12 NEE SSE 8.7 Es1-Ed Es1 80 f13 NWW SSW 2.8 Es2-Es1 Es2 35 f14 EW NS 9.0 Es3-Es1 Es3 50 f15 NE SE 5.5 Es3-Es2 Es3 55