黔北凤冈地区海相牛蹄塘组页岩气成藏地质特征及评价
张大权,邹妞妞,杜威,赵福平,陈祎,石富伦,王奕松,林瑞钦

Geological features and evaluation of Niutitang Formation shale gas in Fenggang block, northern Guizhou
Daquan ZHANG,Niuniu ZOU,Wei DU,Fuping ZHAO,Yi CHEN,Fulun SHI,Yisong WANG,Ruiqin LIN
表1 研究区YX1井牛蹄塘组实验分析数据
Table1 Experimental analysis data in the Niutitang Formation of Well YX1 in the study area

采样

编号

采样深度

/m

TOC

/%

RO

/%

石英

/%

黏土矿物

/%

孔隙度

/%

渗透率

/(10-3 μm2

比表面积 /(m2/g)

孔径

/nm

总孔体积

/(10-3 cm3/g)

总含气量

/(m3/t)

吸附气含量

/(m3/t)

干酪根类型指数(TI)
JS-11 921.650.451.5237.947.11.590.006 40.222.4960.5
JS-21 927.220.861.4738.444.12.140.009 65.8424.06510.770.224.6949.25
JS-31 933.270.361.8840.246.71.660.003 10.184.4159.5
JS-41 939.940.331.5339.4470.850.009 50.242.2061.5
JS-51 946.580.337.840.83.2344.0367.1780.223.0257.75
JS-61 951.140.292.3439.446.60.393.4663.25
JS-71 959.520.371.8839.744.50.274.3162.25
JS-81 963.920.771.9638.3441.890.007 50.443.4164.5
JS-91 966.730.492.5636.139.75.644.0478.7180.212.3964.5
JS-101 971.141.142.0637.144.64.5523.82514.550.23.9161
JS-111 977.420.51.8436.946.10.253.4158.25
JS-121 985.651.7433.729.92.530.005 50.222.9654.5
JS-131 991.390.841.7233.236.82.540.005 40.452.0656.5
JS-141 996.5741.9630.326.74.240.005 421.2053.83719.250.844.9659.75
JS-152 003.02627.1202.630.004 420.9473.82416.970.94.8657.75
JS-162 010.336.441.7454.518.221.273.83918.341.314.3060.25
JS-172 014.536.86236.310.33.080.005 67.6114.0368.3951.214.9455.5
JS-182 017.216.671.8643.2142.680.006 219.6493.83820.520.524.9659
JS-192 021.434.472.4320.38.74.510.012 50.533.5656.25
JS-202 026.194.812.3352.31814.3924.06813.781.055.0457.75
JS-212 029.865.172.4129.815.59.0694.0519.6141.224.5858.5