黔北凤冈地区海相牛蹄塘组页岩气成藏地质特征及评价
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张大权,邹妞妞,杜威,赵福平,陈祎,石富伦,王奕松,林瑞钦
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Geological features and evaluation of Niutitang Formation shale gas in Fenggang block, northern Guizhou
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Daquan ZHANG,Niuniu ZOU,Wei DU,Fuping ZHAO,Yi CHEN,Fulun SHI,Yisong WANG,Ruiqin LIN
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表1 研究区YX1井牛蹄塘组实验分析数据
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Table1 Experimental analysis data in the Niutitang Formation of Well YX1 in the study area
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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) |
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JS-1 | 1 921.65 | 0.45 | 1.52 | 37.9 | 47.1 | 1.59 | 0.006 4 | | | | 0.22 | 2.49 | 60.5 | JS-2 | 1 927.22 | 0.86 | 1.47 | 38.4 | 44.1 | 2.14 | 0.009 6 | 5.842 | 4.065 | 10.77 | 0.22 | 4.69 | 49.25 | JS-3 | 1 933.27 | 0.36 | 1.88 | 40.2 | 46.7 | 1.66 | 0.003 1 | | | | 0.18 | 4.41 | 59.5 | JS-4 | 1 939.94 | 0.33 | 1.53 | 39.4 | 47 | 0.85 | 0.009 5 | | | | 0.24 | 2.20 | 61.5 | JS-5 | 1 946.58 | 0.3 | | 37.8 | 40.8 | | | 3.234 | 4.036 | 7.178 | 0.22 | 3.02 | 57.75 | JS-6 | 1 951.14 | 0.29 | 2.34 | 39.4 | 46.6 | | | | | | 0.39 | 3.46 | 63.25 | JS-7 | 1 959.52 | 0.37 | 1.88 | 39.7 | 44.5 | | | | | | 0.27 | 4.31 | 62.25 | JS-8 | 1 963.92 | 0.77 | 1.96 | 38.3 | 44 | 1.89 | 0.007 5 | | | | 0.44 | 3.41 | 64.5 | JS-9 | 1 966.73 | 0.49 | 2.56 | 36.1 | 39.7 | | | 5.64 | 4.047 | 8.718 | 0.21 | 2.39 | 64.5 | JS-10 | 1 971.14 | 1.14 | 2.06 | 37.1 | 44.6 | | | 4.552 | 3.825 | 14.55 | 0.2 | 3.91 | 61 | JS-11 | 1 977.42 | 0.5 | 1.84 | 36.9 | 46.1 | | | | | | 0.25 | 3.41 | 58.25 | JS-12 | 1 985.65 | 1.74 | | 33.7 | 29.9 | 2.53 | 0.005 5 | | | | 0.22 | 2.96 | 54.5 | JS-13 | 1 991.39 | 0.84 | 1.72 | 33.2 | 36.8 | 2.54 | 0.005 4 | | | | 0.45 | 2.06 | 56.5 | JS-14 | 1 996.57 | 4 | 1.96 | 30.3 | 26.7 | 4.24 | 0.005 4 | 21.205 | 3.837 | 19.25 | 0.84 | 4.96 | 59.75 | JS-15 | 2 003.02 | 6 | | 27.1 | 20 | 2.63 | 0.004 4 | 20.947 | 3.824 | 16.97 | 0.9 | 4.86 | 57.75 | JS-16 | 2 010.33 | 6.44 | 1.74 | 54.5 | 18.2 | | | 21.27 | 3.839 | 18.34 | 1.31 | 4.30 | 60.25 | JS-17 | 2 014.53 | 6.86 | 2 | 36.3 | 10.3 | 3.08 | 0.005 6 | 7.611 | 4.036 | 8.395 | 1.21 | 4.94 | 55.5 | JS-18 | 2 017.21 | 6.67 | 1.86 | 43.2 | 14 | 2.68 | 0.006 2 | 19.649 | 3.838 | 20.52 | 0.52 | 4.96 | 59 | JS-19 | 2 021.43 | 4.47 | 2.43 | 20.3 | 8.7 | 4.51 | 0.012 5 | | | | 0.53 | 3.56 | 56.25 | JS-20 | 2 026.19 | 4.81 | 2.33 | 52.3 | 18 | | | 14.392 | 4.068 | 13.78 | 1.05 | 5.04 | 57.75 | JS-21 | 2 029.86 | 5.17 | 2.41 | 29.8 | 15.5 | | | 9.069 | 4.051 | 9.614 | 1.22 | 4.58 | 58.5 |
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