Nanoparticle foaming agents for major gas fields in China

XIONG Chunming,CAO Guangqiang,ZHANG Jianjun,LI Nan,XU Wenlong,WU Junwen,LI Jun,ZHANG Na

Table 1 Relations between initial foam volume, half-life period, liquid carrying ratio and nano-particle foam stabilizing agent concentration.

No. Mass concentration of nano-particle foam stabilizing agent/(mg·L-1) Initial foam volume/mL Half-life period of foam/s Liquid carrying rate/ (mL·min-1) 1 0 1 960 755 9.8 2 10 2 000 790 10.0 3 20 2 045 811 10.2 4 30 2 070 847 10.6 5 40 2 125 870 11.0 6 50 2 150 902 11.3 7 60 2 204 936 12.1 8 70 2 170 907 11.4 9 80 2 135 874 11.2 10 90 2 087 850 10.8