Production calculation of the second and tertiary recovery combination reservoirs under chemical flooding

LIU Weidong,WANG Gaofeng,LIAO Guangzhi,WANG Hongzhuang,WANG Zhengmao,WANG Qiang,WANG Zhengbo

Table 1 Comparison of individual well production at water flooding stage of STRC.

Test area Reservoir type Individual well production of water flooding in different well patterns/(t•d-1) Individual well production ratio of new and old well patterns Old well pattern New well pattern Jilin North H79 Sandstone 1.20 0.80 0.67 Dagang GX2 Sandstone 1.91 1.71 0.90 Dagang KY Sandstone 3.45 2.64 0.76 Dagang G109-1 Sandstone 4.67 3.00 0.64 Liaohe J16 Sandstone 3.93 2.81 0.71 Expansion of Changqing AS Sandstone 1.71 1.54 0.90 Xinjiang QZ Conglomerate 2.50 3.39 1.35 Xinjiang QD1 Conglomerate 11.84 16.50 1.39