Oil & Gas Geology ›› 2024, Vol. 45 ›› Issue (4): 1064-1078.doi: 10.11743/ogg20240412
• Petroleum Geology • Previous Articles Next Articles
Yongjin GAO1,2(), Chengming YIN1,2, Lihong LIU1,2(), Darong XU3, Youxing YANG1,2, Yuanyin ZHANG4, Zezhang SONG5, Mantong ZHEN6
Received:
2024-01-05
Revised:
2024-07-22
Online:
2024-09-05
Published:
2024-09-05
Contact:
Lihong LIU
E-mail:gaoyongjin@mail.cgs.gov.cn;liulihong713@163.com
CLC Number:
Yongjin GAO, Chengming YIN, Lihong LIU, Darong XU, Youxing YANG, Yuanyin ZHANG, Zezhang SONG, Mantong ZHEN. Characteristics of source rocks in the Cambrian Xiaoerbulake Formation in the northwestern Tarim Basin[J]. Oil & Gas Geology, 2024, 45(4): 1064-1078.
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Table 1
Whole-rock X-ray diffraction (XRD) mineralogy of core samples from well BY1 in the northwestern Tarim Basin"
样品编号 | 深度/m | 矿物组分含量/% | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
石英 | 钾长石 | 斜长石 | 方解石 | 白云石 | 黄铁矿 | 铁白云石 | 黏土 | 菱铁矿 | 重晶石 | 氟磷灰石 | ||
Є1x-1 | 3 879.1 | 22.9 | 6.9 | 0 | 0 | 0 | 5.5 | 50.3 | 14.3 | 0 | 0 | 0 |
Є1x-2 | 3 879.5 | 13.5 | 4.6 | 0 | 0 | 0 | 3.5 | 68.6 | 9.8 | 0 | 0 | 0 |
Є1x-4 | 3 880.0 | 4.8 | 1.2 | 0 | 85.0 | 0 | 1.5 | 4.0 | 3.5 | 0 | 0 | 0 |
Є1x-6 | 3 881.3 | 8.3 | 2.0 | 0 | 66.4 | 0 | 1.7 | 17.5 | 4.1 | 0 | 0 | 0 |
Є1x-7 | 3 881.8 | 2.6 | 0 | 0 | 94.6 | 0 | 0.9 | 1.3 | 0.6 | 0 | 0 | 0 |
Є1x-10 | 3 884.7 | 33.2 | 8.5 | 0 | 17.8 | 0 | 7.0 | 17.1 | 13.8 | 2.6 | 0 | 0 |
Є1x-12 | 3 887.0 | 1.0 | 0 | 0 | 88.3 | 0 | 0.0 | 10.3 | 0.4 | 0 | 0 | 0 |
Є1x-16 | 3 890.0 | 7.8 | 2.7 | 0 | 52.1 | 0 | 3.4 | 27.9 | 6.1 | 0 | 0 | 0 |
Є1x-18 | 3 891.5 | 6.8 | 1.8 | 0 | 18.7 | 0 | 2.6 | 65.0 | 5.1 | 0 | 0 | 0 |
Є1x-20 | 3 892.1 | 10.7 | 1.4 | 0 | 61.8 | 0 | 2.5 | 18.6 | 5.0 | 0 | 0 | 0 |
Є1x-22 | 3 893.5 | 21.7 | 5.1 | 0.2 | 27.7 | 0 | 4.9 | 33.9 | 6.5 | 0 | 0 | 0 |
Є1x-24 | 3 894.8 | 6.8 | 1.7 | 0 | 59.2 | 0 | 1.4 | 30.8 | 0.1 | 0 | 0 | 0 |
Є1x-25 | 3 896.6 | 6.2 | 1.5 | 0 | 18.3 | 69.1 | 1.7 | 0 | 3.2 | 0 | 0 | 0 |
Є1x-27 | 3 940.4 | 1.3 | 1.3 | 0 | 96.0 | 0 | 0 | 0 | 1.4 | 0 | 0 | 0 |
Є1x-29 | 3 942.0 | 0.8 | 2.5 | 0 | 93.6 | 0 | 0 | 2.6 | 0.5 | 0 | 0 | 0 |
Є1x-30 | 3 943.0 | 0.7 | 1.4 | 0 | 96.8 | 0 | 0 | 0.9 | 0.2 | 0 | 0 | 0 |
Є1x-32 | 3 945.2 | 0.8 | 0.8 | 0 | 97.1 | 0 | 0 | 0 | 1.3 | 0 | 0 | 0 |
最小值 | 0.7 | 0 | 0 | 0 | 0 | 0 | 0 | 1.3 | 0 | 0 | 0 | |
最大值 | 33.2 | 8.5 | 0.2 | 97.1 | 69.1 | 7.0 | 68.6 | 14.3 | 2.6 | 0 | 0 | |
平均值 | 9.7 | 2.7 | 0 | 56.3 | 7.3 | 2.3 | 22.0 | 4.8 | 0.3 | 0 | 0 | |
Є1y-33 | 3 946.3 | 0.7 | 0.9 | 0 | 97.5 | 0 | 0.8 | 0 | 0.1 | 0 | 0 | 0 |
Є1y-35 | 3 953.5 | 45.4 | 8.0 | 0 | 0 | 4.5 | 11.5 | 0 | 25.6 | 0 | 5.0 | 0 |
Є1y-36 | 3 953.7 | 45.6 | 15.0 | 0 | 0 | 0 | 9.1 | 7.7 | 19.7 | 0 | 2.9 | 0 |
Є1y-37 | 3 954.0 | 21.5 | 5.9 | 0 | 0 | 0 | 0 | 0 | 20.2 | 0 | 5.9 | 46.5 |
Є1y-38 | 3 954.3 | 6.3 | 0 | 0 | 0 | 0 | 0 | 0 | 1.3 | 21.3 | 6.7 | 64.4 |
Є1y-39 | 3 954.8 | 3.0 | 0 | 0 | 0 | 75.3 | 5.4 | 0 | 11.6 | 0 | 4.7 | 0 |
Z2q-1 | 3 955.8 | 4.6 | 0.5 | 0 | 0 | 93.2 | 0 | 0 | 0.9 | 0 | 0.8 | 0 |
Z2q-2 | 3 957.3 | 3.1 | 1.0 | 0 | 0.2 | 93.3 | 0.9 | 0 | 1.5 | 0 | 0 | 0 |
Z2q-3 | 3 958.0 | 0.1 | 0 | 0.9 | 0 | 98.5 | 0 | 0 | 0.5 | 0 | 0 | 0 |
Z2q-4 | 3 958.3 | 1.2 | 0.5 | 0 | 0.8 | 95.0 | 0 | 0 | 2.5 | 0 | 0 | 0 |
Z2q-6 | 3 960.5 | 0 | 0 | 0.4 | 1.0 | 98.5 | 0 | 0 | 0.1 | 0 | 0 | 0 |
Z2q-8 | 3 963.0 | 1.2 | 0 | 0.5 | 0.4 | 97.9 | 0 | 0 | 0 | 0 | 0 | 0 |
Z2q-10 | 4 004.0 | 0 | 0 | 0 | 1.4 | 98.3 | 0 | 0 | 0.3 | 0 | 0 | 0 |
Z2q-12 | 4 006.9 | 0.3 | 0 | 0.3 | 0 | 99.2 | 0 | 0 | 0.2 | 0 | 0 | 0 |
Z2q-14 | 4 009.7 | 0.7 | 0 | 99.2 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 |
Z2q-15 | 4 010.6 | 3.7 | 0 | 0.4 | 0 | 95.8 | 0 | 0 | 0.1 | 0 | 0 | 0 |
最小值 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
最大值 | 45.6 | 15.0 | 99.2 | 97.5 | 99.2 | 11.5 | 7.7 | 25.6 | 21.3 | 6.7 | 64.4 | |
平均值 | 10.2 | 2.6 | 11.2 | 11.0 | 58.3 | 2.2 | 0.9 | 6.1 | 2.4 | 1.8 | 10.3 |
Table 2
XRD analysis of clay mineral of core samples from well BY1 in the northwestern Tarim Basin"
样品编号 | 深度/m | 黏土矿物组分相对含量/% | ||||
---|---|---|---|---|---|---|
蒙皂石(S) | 伊利石(I) | 高岭石(K) | 绿泥石(C) | |||
Є1x-1 | 3 879.1 | 0 | 94 | 1 | 5 | |
Є1x-2 | 3 879.5 | 0 | 94 | 2 | 4 | |
Є1x-4 | 3 880.0 | 0 | 92 | 1 | 7 | |
Є1x-6 | 3 881.3 | 0 | 95 | 1 | 4 | |
Є1x-10 | 3 884.7 | 0 | 97 | 1 | 2 | |
Є1x-16 | 3 890.0 | 0 | 99 | 0 | 1 | |
Є1x-18 | 3 891.5 | 0 | 100 | 0 | 0 | |
Є1x-20 | 3 892.1 | 0 | 97 | 1 | 2 | |
Є1x-22 | 3 893.5 | 0 | 99 | 0 | 1 | |
Є1x-24 | 3 894.8 | 0 | 96 | 1 | 3 | |
Є1x-25 | 3 896.6 | 0 | 98 | 1 | 1 | |
Є1x-27 | 3 940.4 | 0 | 97 | 1 | 2 | |
Є1x-29 | 3 942.0 | 0 | 83 | 9 | 8 | |
Є1x-30 | 3 943.0 | 0 | 74 | 21 | 5 | |
Є1x-32 | 3 945.2 | 0 | 100 | 0 | 0 | |
Є1y-33 | 3 946.3 | 0 | 75 | 18 | 7 | |
Є1y-35 | 3 953.5 | 0 | 99 | 1 | 0 | |
Є1y-36 | 3 953.7 | 0 | 99 | 0 | 1 | |
Є1y-37 | 3 954.0 | 0 | 94 | 5 | 1 | |
Є1y-38 | 3 954.3 | 0 | 98 | 2 | 0 | |
Є1y-39 | 3 954.8 | 0 | 64 | 32 | 4 | |
Z2q-1 | 3 955.8 | 0 | 97 | 1 | 2 | |
Z2q-2 | 3 957.3 | 0 | 90 | 2 | 8 | |
Z2q-3 | 3 958.0 | 0 | 97 | 1 | 2 | |
Z2q-4 | 3 958.3 | 0 | 96 | 1 | 3 | |
最小值 | 0 | 64 | 0 | 0 | 0 | |
最大值 | 0 | 100 | 32 | 8 | 0 | |
平均值 | 0 | 92.15 | 5 | 3 | 0 |
Table 3
Thicknesses and organic matter abundance of source rocks in typical wells and on outcrops within the northwestern Tarim Basin"
钻井/剖面 | 层位 | 顶深/m | 底深/m | 厚度/m | 岩性 | TOC/% | 生油岩分级 | |
---|---|---|---|---|---|---|---|---|
BY1井 | 肖上段 | 3 776.00 | 3 869.00 | 93.00 | 黄灰色白云岩 | — | — | |
肖下段 | 3 869.00 | 3 952.00 | 83.00 | 灰色泥质灰岩 | (0.10~4.01)/1.55(28) | 好烃源岩 | ||
玉尔吐斯组 | 3 952.00 | 3 956.00 | 4.00 | 灰黑色泥岩 | (0.13~28.20)/11.12(7) | 极好烃源岩 | ||
KTJ1井 | 肖上段 | 3 748.00 | 3 843.00 | 95.00 | 灰色灰质泥岩 | (0.20~0.90)/0.45(21) | 较好烃源岩 | |
肖下段 | 3 843.00 | 3 925.00 | 82.00 | 灰黑色泥晶灰岩 | (0.60~5.00)/2.39(16) | 好烃源岩 | ||
玉尔吐斯组 | 3 925.00 | 3 929.00 | 4.00 | 灰黑色泥岩 | (0.60~5.00)/4.30(16) | 极好烃源岩 | ||
KPN1井 | 肖上段 | 5 144.00 | 5 245.00 | 101.00 | 灰色颗粒白云岩 | (0.11~0.54)/0.33(2) | 差烃源岩 | |
肖下段 | 5 245.00 | 5 269.00 | 24.00 | 灰色泥质粉晶白云岩 | (0.17~1.14)/0.45(15) | 较好烃源岩 | ||
玉尔吐斯组 | 5 269.00 | 5 274.00 | 5.00 | 褐色白云质泥岩 | (0.26~2.02)/0.85(3) | 较好烃源岩 | ||
XSC1井 | 肖上段 | 4 752.00 | 5 013.00 | 261.00 | 浅灰色云质灰岩 | — | — | |
肖下段 | 5 013.00 | 5 074.00 | 61.00 | 灰色云质灰岩 | (0.64~1.18)/0.89(24) | 极好烃源岩 | ||
玉尔吐斯组 | 5 074.00 | 5 110.00 | 36.00 | 深灰色泥质灰岩 | (2.10~2.40)/2.20(3) | 极好烃源岩 | ||
肖尔布拉克剖面 | 肖下段 | — | — | — | 灰色粉晶白云岩 | (0.06~3.63)/0.49(23) | 较好烃源岩 | |
阿克苏东沟剖面 | 肖下段 | — | — | — | 灰色粉晶白云岩 | (0.20~7.56)/2.00(13) | 好烃源岩 | |
西沟剖面 | — | — | — | — | 灰色粉晶白云岩 | (0.19~3.69/1.47(6) | 好烃源岩 |
Table 6
Statistics of vitrinite reflectance of bitumen from well BY1 in the northwestern Tarim Basin and its vitrinite equivalent reflectance"
样品编号 | 深度/m | 岩性 | 平均BRb/% | BRb,min/% | BRb,max/% | 测定点数 | 标准离差 | EqVRo/ %[ | EqVRo/ %[ | EqVRo/ %[ | EqVRo/ %[ | EqVRo/ %[ | 备注 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Є1x-1 | 3 879.1 | 灰黑色泥质灰岩 | 2.94 | 2.76 | 3.12 | 20 | 0.10 | 2.27 | 3.23 | 2.31 | 3.07 | 3.10 | 测点为固体沥青 |
Є1x-2 | 3 879.5 | 灰黑色泥质灰岩 | 2.89 | 2.70 | 3.08 | 22 | 0.10 | 2.23 | 3.17 | 2.28 | 3.03 | 3.05 | 测点为固体沥青 |
Є1x-4 | 3 880.0 | 灰黑色泥质灰岩 | 2.90 | 2.81 | 3.00 | 8 | 0.05 | 2.24 | 3.18 | 2.28 | 3.03 | 3.06 | 测点为固体沥青 |
Є1x-7 | 3 881.8 | 灰黑色泥质灰岩 | 2.94 | 2.80 | 3.08 | 12 | 0.07 | 2.27 | 3.23 | 2.31 | 3.07 | 3.10 | 测点为固体沥青 |
Є1x-8 | 3 882.0 | 灰黑泥质含生屑灰岩 | 2.92 | 2.70 | 3.14 | 14 | 0.11 | 2.25 | 3.21 | 2.30 | 3.05 | 3.08 | 测点为固体沥青 |
Є1x-9 | 3 882.5 | 灰黑色泥质灰岩 | 2.95 | 2.80 | 3.10 | 28 | 0.08 | 2.27 | 3.24 | 2.32 | 3.08 | 3.11 | 测点为固体沥青 |
Є1x-10 | 3 884.7 | 灰黑色泥质灰岩 | 2.90 | 2.71 | 3.10 | 20 | 0.10 | 2.24 | 3.18 | 2.28 | 3.03 | 3.06 | 测点为固体沥青 |
Є1x-11 | 3 885.8 | 灰黑色泥质灰岩 | 2.92 | 2.76 | 3.08 | 11 | 0.09 | 2.25 | 3.21 | 2.30 | 3.05 | 3.08 | 测点为固体沥青 |
Є1x-13 | 3 887.0 | 灰黑色泥质灰岩 | 2.96 | 2.76 | 3.15 | 8 | 0.10 | 2.28 | 3.25 | 2.32 | 3.09 | 3.12 | 测点为固体沥青 |
Є1x-14 | 3 888.0 | 灰黑色泥质灰岩 | 2.90 | 2.72 | 3.08 | 6 | 0.09 | 2.24 | 3.18 | 2.28 | 3.03 | 3.06 | 测点为固体沥青 |
Є1x-15 | 3 889.0 | 灰黑色泥质灰岩 | 2.92 | 2.71 | 3.10 | 30 | 0.10 | 2.25 | 3.21 | 2.30 | 3.05 | 3.08 | 测点为固体沥青 |
Є1x-16 | 3 890.0 | 灰黑色泥质灰岩 | 2.99 | 2.81 | 3.19 | 26 | 0.10 | 2.30 | 3.29 | 2.34 | 3.12 | 3.16 | 测点为固体沥青 |
Є1x-17 | 3 891.0 | 灰黑色泥质灰岩 | 3.02 | 2.86 | 3.18 | 4 | 0.09 | 2.32 | 3.32 | 2.36 | 3.15 | 3.19 | 测点为固体沥青 |
Table 6
(Continued) Statistics of vitrinite reflectance of bitumen from well BY1 in the northwestern Tarim Basin and its vitrinite equivalent reflectance"
样品编号 | 深度/m | 岩性 | 平均BRb/% | BRb,min/% | BRb,max/% | 测定点数 | 标准离差 | EqVRo/ %[ | EqVRo/ %[ | EqVRo/ %[ | EqVRo/ %[ | EqVRo/ %[ | 备注 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Є1x-18 | 3 891.5 | 灰黑色泥质灰岩 | 2.95 | 2.72 | 3.18 | 14 | 0.12 | 2.27 | 3.24 | 2.32 | 3.08 | 3.11 | 测点为固体沥青 |
Є1x-19 | 3 891.8 | 灰黑色泥质灰岩 | 3.03 | 2.8 | 3.26 | 11 | 0.12 | 2.33 | 3.33 | 2.37 | 3.16 | 3.20 | 测点为固体沥青 |
Є1x-20 | 3 892.1 | 灰黑色泥质灰岩 | 3.05 | 2.82 | 3.28 | 30 | 0.12 | 2.34 | 3.36 | 2.38 | 3.18 | 3.23 | 测点为固体沥青 |
Є1x-21 | 3 892.8 | 灰黑色泥质灰岩 | 3.06 | 2.85 | 3.25 | 30 | 0.10 | 2.35 | 3.37 | 2.39 | 3.18 | 3.24 | 测点为固体沥青 |
Є1x-22 | 3 893.5 | 灰黑色泥质灰岩 | 2.95 | 2.70 | 3.24 | 30 | 0.15 | 2.27 | 3.24 | 2.32 | 3.08 | 3.11 | 测点为固体沥青 |
Є1x-23 | 3 894.0 | 灰黑色泥质灰岩 | 3.05 | 2.85 | 3.25 | 23 | 0.12 | 2.34 | 3.36 | 2.38 | 3.18 | 3.23 | 测点为固体沥青 |
Є1x-24 | 3 894.8 | 灰黑色泥质灰岩 | 2.91 | 2.62 | 3.20 | 30 | 0.16 | 2.25 | 3.20 | 2.29 | 3.04 | 3.07 | 测点为固体沥青 |
Є1x-25 | 3 896.6 | 灰黑色泥质灰岩 | 2.95 | 2.75 | 3.15 | 7 | 0.11 | 2.27 | 3.24 | 2.32 | 3.08 | 3.11 | 测点为固体沥青 |
Є1x-26 | 3 896.8 | 灰黑色泥质灰岩 | 3.04 | 2.85 | 3.25 | 15 | 0.11 | 2.33 | 3.34 | 2.38 | 3.17 | 3.21 | 测点为固体沥青 |
Є1x-31 | 3 944.4 | 灰色泥晶灰岩 | 3.40 | 3.22 | 3.58 | 4 | 0.15 | 2.57 | 3.76 | 2.62 | 3.50 | 3.62 | 测点为固体沥青 |
Є1x-32 | 3 945.2 | 灰色泥晶灰岩 | 3.32 | 3.01 | 3.64 | 22 | 0.15 | 2.52 | 3.67 | 2.56 | 3.43 | 3.53 | 测点为固体沥青 |
Є1y-34 | 3 953.4 | 灰黑色泥岩 | 3.34 | 3.24 | 3.44 | 30 | 0.06 | 2.53 | 3.69 | 2.58 | 3.45 | 3.55 | 测点为镜状体 |
Є1y-35 | 3 953.5 | 灰黑色泥岩 | 3.32 | 3.20 | 3.44 | 30 | 0.07 | 2.52 | 3.67 | 2.56 | 3.43 | 3.53 | 测点为镜状体 |
Є1y-36 | 3 953.7 | 灰黑色泥岩 | 3.40 | 3.21 | 3.60 | 30 | 0.10 | 2.57 | 3.76 | 2.62 | 3.50 | 3.62 | 测点为固体沥青 |
Є1y-37 | 3 954.0 | 灰黑色泥岩 | 3.30 | 3.14 | 3.46 | 30 | 0.09 | 2.50 | 3.64 | 2.55 | 3.41 | 3.51 | 测点为镜状体 |
最小值 | 2.89 | 2.62 | 3.00 | 4 | 0.05 | 2.23 | 3.17 | 2.28 | 3.03 | 3.05 | |||
最大值 | 3.40 | 3.24 | 3.64 | 30 | 0.16 | 2.57 | 3.76 | 2.62 | 3.50 | 3.62 | |||
平均值 | 3.05 | 2.86 | 3.24 | 19 | 0.10 | 2.34 | 3.36 | 2.38 | 3.18 | 3.23 |
Table 7
Analytical results of pyrolysis of rock samples from well BY1 in the northwestern Tarim Basin"
样品编号 | 深度/m | 岩性 | So/(mg/g) | S1/(mg/g) | S2/(mg/g) | Tmax/℃ | Pg/(mg/g) | PI | PC/% | TOC/% |
---|---|---|---|---|---|---|---|---|---|---|
Є1x-1 | 3 879.1 | 灰黑色泥质灰岩 | 0.022 7 | 3.912 6 | 1.540 5 | 413 | 0.18 | 0.41 | 0.01 | 1.93 |
Є1x-2 | 3 879.5 | 灰黑色泥质灰岩 | 0.023 5 | 3.156 7 | 1.435 8 | 548 | 0.13 | 0.37 | 0.01 | 1.46 |
Є1x-4 | 3 880.0 | 灰黑色泥质灰岩 | 0.018 6 | 5.913 4 | 1.474 2 | 418 | 0.21 | 0.47 | 0.02 | 1.01 |
Є1x-5 | 3 880.8 | 灰黑色泥质灰岩 | 0.016 5 | 4.943 2 | 1.476 5 | 438 | 0.13 | 0.44 | 0.01 | 0.72 |
Є1x-6 | 3 881.3 | 灰黑色泥质灰岩 | 0.023 3 | 0.716 8 | 0.986 0 | 429 | 0.15 | 0.49 | 0.01 | 0.62 |
Є1x-7 | 3 881.8 | 灰黑色泥质灰岩 | 0.025 8 | 0.698 4 | 0.953 0 | 419 | 0.22 | 0.45 | 0.02 | 1.11 |
Є1x-8 | 3 882.0 | 灰黑泥质含生屑灰岩 | 0.025 3 | 3.887 9 | 3.240 4 | 426 | 0.11 | 0.36 | 0.01 | 0.75 |
Є1x-9 | 3 882.5 | 灰黑色泥质灰岩 | 0.021 1 | 3.156 4 | 2.876 4 | 418 | 0.11 | 0.31 | 0.01 | 1.44 |
Є1x-10 | 3 884.7 | 灰黑色泥质灰岩 | 0.017 2 | 0.030 0 | 0.067 7 | 410 | 0.19 | 0.25 | 0.02 | 2.91 |
Є1x-11 | 3 885.8 | 灰黑色泥质灰岩 | 0.023 9 | 0.700 9 | 0.717 1 | 418 | 0.18 | 0.46 | 0.01 | 1.33 |
Є1x-12 | 3 886.0 | 灰黑色泥质灰岩 | 0.025 2 | 0.776 1 | 0.921 7 | 430 | 0.15 | 0.42 | 0.01 | 0.73 |
Є1x-13 | 3 887.0 | 灰黑色泥质灰岩 | 0.017 4 | 0.808 3 | 0.789 3 | 417 | 0.17 | 0.38 | 0.01 | 1.52 |
Є1x-14 | 3 888.0 | 灰黑色泥质灰岩 | 0.789 3 | 0.789 3 | 0.833 4 | 421 | 0.16 | 0.43 | 0.01 | 1.03 |
Є1x-15 | 3 889.0 | 灰黑色泥质灰岩 | 0.017 1 | 0.758 2 | 0.825 9 | 417 | 0.32 | 0.38 | 0.03 | 2.53 |
Є1x-16 | 3 890.0 | 灰黑色泥质灰岩 | 0.019 3 | 0.970 8 | 1.032 1 | 425 | 0.19 | 0.45 | 0.02 | 0.96 |
Є1x-17 | 3 891.0 | 灰黑色泥质灰岩 | 0.024 9 | 1.597 7 | 1.504 6 | 428 | 0.22 | 0.20 | 0.02 | 1.89 |
Є1x-18 | 3 891.5 | 灰黑色泥质灰岩 | 0.034 6 | 1.352 6 | 1.124 6 | 419 | 0.16 | 0.32 | 0.01 | 1.58 |
Є1x-19 | 3 891.8 | 灰黑色泥质灰岩 | 0.037 5 | 1.421 3 | 1.421 3 | 419 | 0.12 | 0.35 | 0.01 | 1.51 |
Є1x-20 | 3 892.1 | 灰黑色泥质灰岩 | 0.025 6 | 0.657 2 | 1.155 4 | 420 | 0.24 | 0.28 | 0.02 | 2.36 |
Є1x-21 | 3 892.8 | 灰黑色泥质灰岩 | 0.024 5 | 0.732 1 | 1.263 4 | 548 | 0.22 | 0.23 | 0.02 | 3.17 |
Є1x-22 | 3 893.5 | 灰黑色泥质灰岩 | 0.019 7 | 0.797 5 | 1.494 7 | 413 | 0.29 | 0.20 | 0.02 | 4.01 |
Є1x-23 | 3 894.0 | 灰黑色泥质灰岩 | 0.023 5 | 0.972 6 | 1.699 6 | 549 | 0.16 | 0.28 | 0.01 | 2.22 |
Є1x-24 | 3 894.8 | 灰黑色泥质灰岩 | 0.025 3 | 0.973 5 | 1.543 5 | 417 | 0.22 | 0.33 | 0.02 | 2.24 |
Є1x-25 | 3 896.6 | 灰黑色泥质灰岩 | 0.023 2 | 1.193 4 | 1.461 6 | 415 | 0.22 | 0.28 | 0.02 | 2.2 |
Table 7
(continued) Analytical results of pyrolysis of rock samples from well BY1 in the northwestern Tarim Basin"
样品编号 | 深度/m | 岩性 | So/(mg/g) | S1/(mg/g) | S2/(mg/g) | Tmax/℃ | Pg/(mg/g) | PI | PC/% | TOC/% |
---|---|---|---|---|---|---|---|---|---|---|
Є1x-26 | 3 896.8 | 灰黑色泥质灰岩 | 0.032 4 | 1.674 9 | 1.217 6 | 427 | 0.20 | 0.38 | 0.02 | 0.84 |
Є1x-27 | 3 940.4 | 灰色泥晶灰岩 | 0.023 2 | 0.624 3 | 0.686 6 | 486 | 0.07 | 0.35 | 0.01 | 0.10 |
Є1x-31 | 3 944.4 | 灰色泥晶灰岩 | 0.022 5 | 0.730 2 | 0.649 4 | 451 | 0.08 | 0.49 | 0.01 | 0.17 |
Є1x-32 | 3 945.2 | 灰色泥晶灰岩 | 0.024 2 | 0.643 7 | 0.743 4 | 448 | 0.16 | 0.19 | 0.01 | 0.13 |
Є1y-34 | 3 953.4 | 灰黑色泥岩 | 0.019 6 | 0.275 4 | 2.164 3 | 548 | 0.93 | 0.10 | 0.08 | 28.20 |
Є1y-35 | 3 953.5 | 灰黑色泥岩 | 0.018 6 | 0.254 3 | 2.521 4 | 549 | 0.68 | 0.08 | 0.06 | 23.20 |
Є1y-36 | 3 953.7 | 灰黑色泥岩 | 0.028 5 | 0.296 5 | 2.643 6 | 548 | 0.29 | 0.21 | 0.02 | 7.47 |
Є1y-37 | 3 954.0 | 灰黑色泥岩 | 0.027 5 | 0.285 3 | 2.428 6 | 436 | 0.93 | 0.21 | 0.08 | 11.20 |
Є1y-38 | 3 954.3 | 灰黑色硅质泥岩 | 0.018 0 | 0.247 4 | 2.137 5 | 425 | 0.13 | 0.31 | 0.01 | 1.17 |
Є1y-39 | 3 954.8 | 灰色粉晶白云岩 | 0.014 0 | 0.296 5 | 2.274 2 | 428 | 0.16 | 0.43 | 0.01 | 0.46 |
Є1y-40 | 3 955.3 | 灰色粉晶白云岩 | 0.020 0 | 0.481 1 | 1.770 0 | 423 | 0.14 | 0.26 | 0.01 | 0.13 |
最小值 | 0.014 0 | 0.030 0 | 0.067 7 | 410 | 0.07 | 0.08 | 0.01 | 0.10 | ||
最大值 | 0.789 3 | 5.913 4 | 3.240 4 | 549 | 0.93 | 0.49 | 0.08 | 28.20 | ||
平均值 | 0.064 2 | 1.423 5 | 1.469 8 | 449 | 0.25 | 0.33 | 0.02 | 3.85 |
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