Earth Science Frontiers ›› 2025, Vol. 32 ›› Issue (5): 290-307.DOI: 10.13745/j.esf.sf.2025.8.56
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XU Zhusong1,2,3(), LI Jian1,2,3,*(
), WANG Xiaobo1,2,3,*(
), CUI Huiying1,2,3, TIAN Jixian1,2,3, GUO Jianying1,2,3, LI Wanting1,2, XIA Yutian1,2,3, TAO Shizhen1,2,3, CHEN Dawei1,2,3
Received:
2025-08-10
Revised:
2025-08-20
Online:
2025-09-25
Published:
2025-10-14
Contact:
LI Jian, WANG Xiaobo
CLC Number:
XU Zhusong, LI Jian, WANG Xiaobo, CUI Huiying, TIAN Jixian, GUO Jianying, LI Wanting, XIA Yutian, TAO Shizhen, CHEN Dawei. Helium accumulation regulations and prediction of favorable areas in the Qaidam Basin[J]. Earth Science Frontiers, 2025, 32(5): 290-307.
区块 | 井名 | 深度/m | 层系 | CH4含量/% | N2含量/% | CO2含量/% | He含量/% | 资料来源 |
---|---|---|---|---|---|---|---|---|
尖北 | 尖探1 | 4 704 | 基岩 | 80.54 | 15.71 | 0.5 | 0.569 | [ |
尖3 | 4 767~4 772 | 基岩 | 72.96 | 22.34 | 0.02 | 0.190 | ||
尖北H1-1 | 4 859~5 511 | 基岩 | 80.70 | 16.30 | 0.02 | 0.190 | ||
尖北1-3 | 4 608~4 618 | 基岩 | 81.70 | 15.54 | 0.01 | 0.160 | ||
尖探1 | 4 650 | 基岩 | 0.187 | 本文 | ||||
尖探2 | 4 598~4 608 | 基岩 | 0.173 | |||||
尖1 | 4 859~5 510 | 基岩 | 0.228 | |||||
尖3 | 4 767~4 772 | 基岩 | 0.227 | |||||
尖北2 | 4 707~4 717 | 基岩 | 0.194 | |||||
东坪 | 东坪1 | 3 159~3 164 | 基岩 | 93.63 | 3.33 | — | 0.020 | [ |
3 164~3 182 | 基岩 | 91.79 | 5.28 | 0.01 | 0.075 | |||
东坪103 | 3 243.0~3 270 | 基岩 | 94.92 | 2.36 | — | 0.09 | ||
3 198~3 328.1 | 基岩 | 84.40 | 11.51 | — | 0.076 | |||
东坪171 | 4 778~4 788 | 基岩 | 95.18 | 1.15 | 0.10 | 0.08 | ||
东坪172 | 4 475 | 基岩 | 91.86 | 3.30 | 1.26 | 0.023 | ||
4 678 | 基岩 | 94.40 | 1.36 | 0.44 | 0.021 | |||
东坪173 | 869~871 | ${{E}_{3}}^{2}$ | 88.91 | 7.89 | 0.87 | 0.13 | ||
4 635~4 645 | ${{E}_{3}}^{2}$ | 83.16 | 3.4 | 0.46 | 0.085 | |||
东坪3 | 1 101~1 108.8 | ${{E}_{3}}^{1}$ | 91.11 | 7.66 | 0.02 | 0.085 | ||
1 686~1 692 | E1+2 | 71.75 | 25.56 | 0.10 | 0.475 | |||
1 803~1 830 | E1+2 | 61.75 | 30.49 | 2.02 | 1.069 | |||
坪1H-2-4 | 3 270~3 530 | 基岩 | 90.28 | 6.12 | 0.07 | 0.068 | ||
坪1H-2-5 | 3 416~3 728 | 基岩 | 88.24 | 7.38 | 0.24 | 0.071 | ||
坪1H-2-7 | 3 188~3 554 | 基岩 | 88.21 | 7.44 | 0.32 | 0.045 | ||
坪1H-2-8 | 3 388~3 663 | 基岩 | 88.61 | 7.37 | 0.38 | 0.08 | ||
坪3H-6-2 | 1 985~2 480 | 基岩 | 73.57 | 24.04 | 0.09 | 0.750 | ||
坪3H-6-3 | 642.1~704.9 | ${{E}_{3}}^{2}$ | 77.93 | 18.26 | 0.07 | 0.054 | ||
坪3H-6-4 | 1 950~2 250 | 基岩 | 70.11 | 27.13 | 0.04 | 0.810 | ||
坪1-2-2 | 3 139.6~3 416.1 | 基岩 | 84.28 | 11.46 | 0.08 | 0.055 | ||
坪3-2-1 | 685.4~935 | ${{E}_{3}}^{2}$ | 86.04 | 12.56 | 0.03 | 0.110 | ||
681.2~693.2 | ${{E}_{3}}^{2}$ | 88.04 | 10.96 | 0.03 | 0.110 | |||
东坪305 | 1 820~2 011 | 基岩 | 84.40 | 11.51 | 0.05 | 0.076 | ||
东坪306 | 1 904~1 924 | 基岩 | 83.81 | 13.92 | 0.19 | 0.40 | ||
东坪307 | 1 206.9~1 288 | 基岩 | 87.23 | 10.72 | 0.05 | 0.28 | ||
东坪11 | 869~871 | ${{E}_{3}}^{2}$ | 88.91 | 7.89 | 0.87 | 0.13 | ||
1 013~1 018 | ${{E}_{3}}^{2}$ | 95.41 | 2.69 | 0.87 | 0.13 | |||
1 960~1 976 | 基岩 | 83.73 | 14.77 | 0.46 | 0.09 | |||
东坪15 | 1 902 | E1+2 | 93.02 | 5.83 | 0.01 | 0.315 | ||
东坪1 | 3 164~3 182 | 基岩 | 0.078 | |||||
东坪H102 | 3 079.2~3 223.3 | 基岩 | 0.071 | |||||
东坪171 | 4 778~4 788 | 基岩 | 0.025 | |||||
东坪173 | 4 561 | 基岩 | 0.007 | 本文 | ||||
东坪174 | 4 906~4 926 | E | 0.015 | |||||
东坪3 | 1 101~1 108.8 | E | 0.072 | |||||
1 686~1 692 | 基岩 | 0.105 | ||||||
东坪H302 | 972.1~989.1 | ${{E}_{3}}^{2}$ | 0.089 | |||||
东坪H307 | 1 206.9~1 263 | ${{E}_{3}}^{1}$ | 0.348 | |||||
坪3H-6-2 | 1 985~2 480 | 基岩 | 0.686 | |||||
东坪15 | 1 092~1 096 | E | 0.093 | |||||
牛中 | 牛新1 | — | — | 60.82 | 20.93 | 13.47 | 0.019 | [ |
5 304~5 310 | 基岩 | 42.26 | 56.35 | 0.42 | 0.020 | |||
牛东 | 牛1 | 1 188~2 149 | J | 89.04 | 1.41 | 0.13 | 0.010 | |
2 224~2 236 | J | 86.37 | 3.10 | 0.30 | 0.012 | |||
牛1-2-10 | 2 013.8~2 050 | J | 86.31 | 1.54 | 0.16 | 0.020 | ||
牛1-2-11 | 2 030.7~2 061.1 | J | 86.47 | 2.08 | 0.19 | 0.015 | ||
鄂探1 | 4 338 | J | 79.56 | 0.76 | 0.26 | 0.014 | ||
牛1 | 2 142~2 149 | J | 0.013 | 本文 | ||||
牛1-2-2 | 2 144.3~2 157.2 | J | 0.016 | |||||
牛1-2-5 | 2 095.4~2 127.2 | J | 0.015 | |||||
牛1-2-12 | 1 924.8~2 137.3 | J | 0.011 | |||||
牛9 | 2 657~2 659 | ${{E}_{3}}^{1}$ | 0.009 | |||||
牛9-3-2 | 3 024~3 026 | ${{E}_{3}}^{1}$ | 0.010 | |||||
牛10 | 1 341~1 344 | ${{E}_{3}}^{1}$ | 0.019 | |||||
昆特依 | 昆2 | 6 698~6 953 | J、基岩 | 92.36 | 2.35 | 0.07 | 0.004 | [ |
昆101 | 7 278~7 288 | 基岩 | 91.98 | 2.83 | 0.00 | 0.005 | ||
冷北1 | 1 670~1 684 | 基岩 | 85.62 | 6.30 | 0.35 | 0.140 | 本文 | |
昆2 | 6 875~6 888 | 基岩 | 0.035 | |||||
6 940~6 953 | 基岩 | 0.039 | ||||||
南八仙 | 仙试6 | 774.2~776.7 | ${{N}_{2}}^{2}$ | 87.67 | 6.20 | 0.00 | 未检测出 | [ |
仙试8 | 2 735.1~2 782.3 | ${{E}_{3}}^{2}$ | 90.45 | 5.97 | 0.00 | 0.010 | ||
仙中1-27 | 1 957.9~1 986 | N1 | 87.40 | 7.24 | 0.22 | 0.016 | ||
仙中12 | 1 273.1~1 281.2 | ${{N}_{2}}^{1}$ | 88.39 | 6.26 | 0.08 | 0.014 | ||
仙27 | 2 882.1~2 925.7 | ${{E}_{3}}^{1}$ | 89.88 | 5.85 | 0.00 | 0.010 | ||
仙西1 | 5 332~5 340 | ${{E}_{3}}^{2}$ | 0.019 | 本文 | ||||
仙中1-1 | 2 012.7~2 016.0 | N1 | 0.013 | |||||
仙中2-17 | 1 343.0~1 345.0 | N2 | 0.023 | |||||
仙中5 | 848.4~932.8 | ${{N}_{2}}^{2}$ | 0.015 | |||||
仙中6-11 | 1 090.7~1 094.0 | ${{N}_{2}}^{1}$ | 0.012 | |||||
仙16 | 2 905.0~2 912.7 | ${{E}_{3}}^{1}$ | 0.014 | |||||
仙17 | 2 901.1~2 902.1 | ${{E}_{3}}^{1}$ | 0.014 | |||||
仙18 | 2 714.3~2 716.3 | ${{E}_{3}}^{2}$ | 0.016 | |||||
马北 | 马北14 | 1 332~1 334 | ${{E}_{3}}^{1}$ | 79.32 | 5.81 | 0.01 | 0.27 | |
马北801 | 1 354.1~1 365 | ${{E}_{3}}^{1}$ | 79.64 | 8.87 | 0.05 | 0.190 | ||
马北混合 | — | E、基岩 | 79.07 | 5.34 | — | 0.250 | ||
马西1 | 682.9~684.9 | ${{E}_{3}}^{1}$ | 87.63 | 8.54 | 0.30 | 0.230 | ||
马西1-3 | 795~797 | E1+2 | 88.91 | 7.75 | 0.03 | 0.060 | ||
马八H1-1 | 1 575~1 790 | ${{E}_{3}}^{1}$ | 82.20 | 5.73 | 0 | 0.270 | ||
马八H1-3 | 1 485~1 625 | ${{E}_{3}}^{1}$ | 76.46 | 8.40 | 0.28 | 0.260 | ||
马八2-1 | 1 334.6~1 336.6 | ${{E}_{3}}^{1}$ | 79.67 | 6.74 | 0.01 | 0.260 | ||
马八2-3 | 1 347~1 350 | ${{E}_{3}}^{1}$ | 75.52 | 10.21 | 0.35 | 0.260 | ||
马八2-10 | 1 345.5~1 348.5 | ${{E}_{3}}^{1}$ | 80.38 | 5.36 | 0.02 | 0.270 | ||
马八2-23 | 1 412~1 424.5 | ${{E}_{3}}^{1}$ | 78.83 | 7.41 | 0.02 | 0.200 | ||
马八2-25 | 1 311.3~1 329.7 | ${{E}_{3}}^{1}$ | 81.33 | 4.94 | 0.01 | 0.260 | ||
马八2-26 | 1 335.3~1 337.3 | ${{E}_{3}}^{1}$ | 80.77 | 5.74 | 0.01 | 0.280 | ||
马北 | 马八2-28 | 1 330~1 332 | ${{E}_{3}}^{1}$ | 82.18 | 5.98 | 0.00 | 0.250 | |
马八2-29 | 1 347.7~1 353.5 | ${{E}_{3}}^{1}$ | 80.27 | 7.54 | 0.01 | 0.250 | ||
马八3-2 | 1 414.3~1 416.9 | ${{E}_{3}}^{1}$ | 83.75 | 5.01 | 0.00 | 0.230 | ||
马八3-8 | 1 345.2~1 347.2 | ${{E}_{3}}^{1}$ | 80.37 | 5.91 | 0.02 | 0.260 | ||
马西1-3 | 795~797 | ${{E}_{3}}^{1}$ | 0.080 | 本文 | ||||
马西106 | 741.7~752.1 | ${{E}_{3}}^{2}$ | 0.102 | |||||
马八H1-1 | 1 575~1 790 | ${{E}_{3}}^{1}$ | 0.259 | |||||
马八H2-1 | 1 460~1 740 | ${{E}_{3}}^{1}$ | 0.256 | |||||
马八2-28 | 1 330~1 332 | ${{E}_{3}}^{1}$ | 0.246 | |||||
马八3-8 | 1 345.2~1 347.2 | ${{E}_{3}}^{1}$ | 0.284 | |||||
涩北 | 涩2-10 | 1 135.0~1 143.3 | Q | 99.47 | 0.02 | 0.00 | 未检测出 | 本文 |
涩3-13 | 1 247.6~1 265.4 | Q | 99.40 | 0.05 | 0.00 | 未检测出 | ||
涩4-19 | 1 348.6~1 372.0 | Q | 99.25 | 0.06 | 0.15 | 0.001 | ||
涩4-3-1 | 708.7~767.5 | Q | 99.59 | 0.03 | 0.00 | 未检测出 | ||
涩4-6-2 | 1 055.2~1 122.8 | Q | 99.37 | 0.06 | 0.00 | 未检测出 | ||
涩6-3-4 | 1 211.5~1 242.3 | Q | 99.37 | 0.11 | 0.00 | 未检测出 | ||
涩19 | 1 022.8~1 067.0 | Q | 99.41 | 0.003 | 0.44 | 0.002 | ||
涩23 | 1 030.5~1 061.3 | Q | 98.72 | 0.41 | 0.63 | 未检测出 | ||
涩26 | 790.4~794.8 | Q | 98.08 | 0.42 | 0.01 | 0.004 | ||
南翼山 | 浅4-2 | 903~1 481 | ${{N}_{2}}^{2}$ | 78.94 | 1.14 | 0.42 | 0.028 | 本文 |
南5 | 3 475.2~3 488.2 | ${{E}_{3}}^{2}$ | 88.23 | 0.67 | 0.77 | 0.046 | ||
南H3-4 | 1 790.14 | ${{N}_{2}}^{1}$ | 83.22 | 1.22 | 0.01 | 未检测出 | ||
南105 | 1 340~2 254.8 | ${{N}_{2}}^{1}$;N1 | 89.22 | 1.88 | 0.54 | 0.012 | ||
南2-5 | 1 532~1 653.4 | ${{N}_{2}}^{1}$ | 91.72 | 0.86 | 0.01 | 未检测出 | ||
全吉山 | 9-8-1 | — | — | 0.04 | 98.84 | 0.00 | 1.10 | [ |
KT-7-1 | 874 | J2d7 | 49.06 | 48.58 | 0.30 | 1.14 | ||
KT-7-2 | 883 | J2d7 | 59.95 | 36.72 | 0.51 | 0.68 | ||
团鱼山 | KT-7-3 | 885 | J2d7 | 35.64 | 62.13 | 0.36 | 0.47 | |
KT-7-4 | 910 | J2d7 | 36.89 | 60.79 | 0.60 | 0.60 | ||
KT-7-8 | 925 | J2d7 | 27.89 | 70.22 | 0.47 | 0.50 | ||
德令哈 | CY2-01 | 656.43 | C | 2.53 | 90.69 | 4.83 | 未检测出 | [ |
CY2-02 | 658.00 | C | 0.44 | 84.37 | 14.00 | 未检测出 | ||
CY2-03-1 | 919.46~919.61 | C | 3.25 | 78.41 | 17.52 | 未检测出 | ||
CY2-04-1 | 650~1 090 | C | 68.39 | 6.40 | 2.81 | 0.14 | ||
CY2-05 | 650~1 090 | C | 26.44 | 68.47 | 2.98 | 0.78 | ||
CY2-06 | 952.84~952.92 | C | 15.96 | 78.60 | 8.85 | 未检测出 | ||
CY2-07 | 964.23~964.31 | C | 2.38 | 92.43 | 3.79 | 未检测出 | ||
CY2-08-1 | 991.0~991.09 | C | 35.50 | 59.15 | 4.11 | 0.09 | ||
CY2-09 | 990.90~991.01 | C | 19.96 | 75.79 | 2.65 | 未检测出 | ||
CY2-10 | 650~1 090 | C | 35.52 | 59.17 | 4.11 | 0.09 | ||
CY2-11 | 650~1 090 | C | 67.35 | 29.08 | 2.25 | 未检测出 | ||
CY2-12 | 650~1 090 | C | 0.37 | 93.85 | 4.38 | 未检测出 | ||
青德参1井 | 3 140~3 160 | C | 94.42 | 7.61 | 0.35 | 0.06 |
Table 1 Table of component content of natural gas in typical oil and gas fields in the Qaidam Basin
区块 | 井名 | 深度/m | 层系 | CH4含量/% | N2含量/% | CO2含量/% | He含量/% | 资料来源 |
---|---|---|---|---|---|---|---|---|
尖北 | 尖探1 | 4 704 | 基岩 | 80.54 | 15.71 | 0.5 | 0.569 | [ |
尖3 | 4 767~4 772 | 基岩 | 72.96 | 22.34 | 0.02 | 0.190 | ||
尖北H1-1 | 4 859~5 511 | 基岩 | 80.70 | 16.30 | 0.02 | 0.190 | ||
尖北1-3 | 4 608~4 618 | 基岩 | 81.70 | 15.54 | 0.01 | 0.160 | ||
尖探1 | 4 650 | 基岩 | 0.187 | 本文 | ||||
尖探2 | 4 598~4 608 | 基岩 | 0.173 | |||||
尖1 | 4 859~5 510 | 基岩 | 0.228 | |||||
尖3 | 4 767~4 772 | 基岩 | 0.227 | |||||
尖北2 | 4 707~4 717 | 基岩 | 0.194 | |||||
东坪 | 东坪1 | 3 159~3 164 | 基岩 | 93.63 | 3.33 | — | 0.020 | [ |
3 164~3 182 | 基岩 | 91.79 | 5.28 | 0.01 | 0.075 | |||
东坪103 | 3 243.0~3 270 | 基岩 | 94.92 | 2.36 | — | 0.09 | ||
3 198~3 328.1 | 基岩 | 84.40 | 11.51 | — | 0.076 | |||
东坪171 | 4 778~4 788 | 基岩 | 95.18 | 1.15 | 0.10 | 0.08 | ||
东坪172 | 4 475 | 基岩 | 91.86 | 3.30 | 1.26 | 0.023 | ||
4 678 | 基岩 | 94.40 | 1.36 | 0.44 | 0.021 | |||
东坪173 | 869~871 | ${{E}_{3}}^{2}$ | 88.91 | 7.89 | 0.87 | 0.13 | ||
4 635~4 645 | ${{E}_{3}}^{2}$ | 83.16 | 3.4 | 0.46 | 0.085 | |||
东坪3 | 1 101~1 108.8 | ${{E}_{3}}^{1}$ | 91.11 | 7.66 | 0.02 | 0.085 | ||
1 686~1 692 | E1+2 | 71.75 | 25.56 | 0.10 | 0.475 | |||
1 803~1 830 | E1+2 | 61.75 | 30.49 | 2.02 | 1.069 | |||
坪1H-2-4 | 3 270~3 530 | 基岩 | 90.28 | 6.12 | 0.07 | 0.068 | ||
坪1H-2-5 | 3 416~3 728 | 基岩 | 88.24 | 7.38 | 0.24 | 0.071 | ||
坪1H-2-7 | 3 188~3 554 | 基岩 | 88.21 | 7.44 | 0.32 | 0.045 | ||
坪1H-2-8 | 3 388~3 663 | 基岩 | 88.61 | 7.37 | 0.38 | 0.08 | ||
坪3H-6-2 | 1 985~2 480 | 基岩 | 73.57 | 24.04 | 0.09 | 0.750 | ||
坪3H-6-3 | 642.1~704.9 | ${{E}_{3}}^{2}$ | 77.93 | 18.26 | 0.07 | 0.054 | ||
坪3H-6-4 | 1 950~2 250 | 基岩 | 70.11 | 27.13 | 0.04 | 0.810 | ||
坪1-2-2 | 3 139.6~3 416.1 | 基岩 | 84.28 | 11.46 | 0.08 | 0.055 | ||
坪3-2-1 | 685.4~935 | ${{E}_{3}}^{2}$ | 86.04 | 12.56 | 0.03 | 0.110 | ||
681.2~693.2 | ${{E}_{3}}^{2}$ | 88.04 | 10.96 | 0.03 | 0.110 | |||
东坪305 | 1 820~2 011 | 基岩 | 84.40 | 11.51 | 0.05 | 0.076 | ||
东坪306 | 1 904~1 924 | 基岩 | 83.81 | 13.92 | 0.19 | 0.40 | ||
东坪307 | 1 206.9~1 288 | 基岩 | 87.23 | 10.72 | 0.05 | 0.28 | ||
东坪11 | 869~871 | ${{E}_{3}}^{2}$ | 88.91 | 7.89 | 0.87 | 0.13 | ||
1 013~1 018 | ${{E}_{3}}^{2}$ | 95.41 | 2.69 | 0.87 | 0.13 | |||
1 960~1 976 | 基岩 | 83.73 | 14.77 | 0.46 | 0.09 | |||
东坪15 | 1 902 | E1+2 | 93.02 | 5.83 | 0.01 | 0.315 | ||
东坪1 | 3 164~3 182 | 基岩 | 0.078 | |||||
东坪H102 | 3 079.2~3 223.3 | 基岩 | 0.071 | |||||
东坪171 | 4 778~4 788 | 基岩 | 0.025 | |||||
东坪173 | 4 561 | 基岩 | 0.007 | 本文 | ||||
东坪174 | 4 906~4 926 | E | 0.015 | |||||
东坪3 | 1 101~1 108.8 | E | 0.072 | |||||
1 686~1 692 | 基岩 | 0.105 | ||||||
东坪H302 | 972.1~989.1 | ${{E}_{3}}^{2}$ | 0.089 | |||||
东坪H307 | 1 206.9~1 263 | ${{E}_{3}}^{1}$ | 0.348 | |||||
坪3H-6-2 | 1 985~2 480 | 基岩 | 0.686 | |||||
东坪15 | 1 092~1 096 | E | 0.093 | |||||
牛中 | 牛新1 | — | — | 60.82 | 20.93 | 13.47 | 0.019 | [ |
5 304~5 310 | 基岩 | 42.26 | 56.35 | 0.42 | 0.020 | |||
牛东 | 牛1 | 1 188~2 149 | J | 89.04 | 1.41 | 0.13 | 0.010 | |
2 224~2 236 | J | 86.37 | 3.10 | 0.30 | 0.012 | |||
牛1-2-10 | 2 013.8~2 050 | J | 86.31 | 1.54 | 0.16 | 0.020 | ||
牛1-2-11 | 2 030.7~2 061.1 | J | 86.47 | 2.08 | 0.19 | 0.015 | ||
鄂探1 | 4 338 | J | 79.56 | 0.76 | 0.26 | 0.014 | ||
牛1 | 2 142~2 149 | J | 0.013 | 本文 | ||||
牛1-2-2 | 2 144.3~2 157.2 | J | 0.016 | |||||
牛1-2-5 | 2 095.4~2 127.2 | J | 0.015 | |||||
牛1-2-12 | 1 924.8~2 137.3 | J | 0.011 | |||||
牛9 | 2 657~2 659 | ${{E}_{3}}^{1}$ | 0.009 | |||||
牛9-3-2 | 3 024~3 026 | ${{E}_{3}}^{1}$ | 0.010 | |||||
牛10 | 1 341~1 344 | ${{E}_{3}}^{1}$ | 0.019 | |||||
昆特依 | 昆2 | 6 698~6 953 | J、基岩 | 92.36 | 2.35 | 0.07 | 0.004 | [ |
昆101 | 7 278~7 288 | 基岩 | 91.98 | 2.83 | 0.00 | 0.005 | ||
冷北1 | 1 670~1 684 | 基岩 | 85.62 | 6.30 | 0.35 | 0.140 | 本文 | |
昆2 | 6 875~6 888 | 基岩 | 0.035 | |||||
6 940~6 953 | 基岩 | 0.039 | ||||||
南八仙 | 仙试6 | 774.2~776.7 | ${{N}_{2}}^{2}$ | 87.67 | 6.20 | 0.00 | 未检测出 | [ |
仙试8 | 2 735.1~2 782.3 | ${{E}_{3}}^{2}$ | 90.45 | 5.97 | 0.00 | 0.010 | ||
仙中1-27 | 1 957.9~1 986 | N1 | 87.40 | 7.24 | 0.22 | 0.016 | ||
仙中12 | 1 273.1~1 281.2 | ${{N}_{2}}^{1}$ | 88.39 | 6.26 | 0.08 | 0.014 | ||
仙27 | 2 882.1~2 925.7 | ${{E}_{3}}^{1}$ | 89.88 | 5.85 | 0.00 | 0.010 | ||
仙西1 | 5 332~5 340 | ${{E}_{3}}^{2}$ | 0.019 | 本文 | ||||
仙中1-1 | 2 012.7~2 016.0 | N1 | 0.013 | |||||
仙中2-17 | 1 343.0~1 345.0 | N2 | 0.023 | |||||
仙中5 | 848.4~932.8 | ${{N}_{2}}^{2}$ | 0.015 | |||||
仙中6-11 | 1 090.7~1 094.0 | ${{N}_{2}}^{1}$ | 0.012 | |||||
仙16 | 2 905.0~2 912.7 | ${{E}_{3}}^{1}$ | 0.014 | |||||
仙17 | 2 901.1~2 902.1 | ${{E}_{3}}^{1}$ | 0.014 | |||||
仙18 | 2 714.3~2 716.3 | ${{E}_{3}}^{2}$ | 0.016 | |||||
马北 | 马北14 | 1 332~1 334 | ${{E}_{3}}^{1}$ | 79.32 | 5.81 | 0.01 | 0.27 | |
马北801 | 1 354.1~1 365 | ${{E}_{3}}^{1}$ | 79.64 | 8.87 | 0.05 | 0.190 | ||
马北混合 | — | E、基岩 | 79.07 | 5.34 | — | 0.250 | ||
马西1 | 682.9~684.9 | ${{E}_{3}}^{1}$ | 87.63 | 8.54 | 0.30 | 0.230 | ||
马西1-3 | 795~797 | E1+2 | 88.91 | 7.75 | 0.03 | 0.060 | ||
马八H1-1 | 1 575~1 790 | ${{E}_{3}}^{1}$ | 82.20 | 5.73 | 0 | 0.270 | ||
马八H1-3 | 1 485~1 625 | ${{E}_{3}}^{1}$ | 76.46 | 8.40 | 0.28 | 0.260 | ||
马八2-1 | 1 334.6~1 336.6 | ${{E}_{3}}^{1}$ | 79.67 | 6.74 | 0.01 | 0.260 | ||
马八2-3 | 1 347~1 350 | ${{E}_{3}}^{1}$ | 75.52 | 10.21 | 0.35 | 0.260 | ||
马八2-10 | 1 345.5~1 348.5 | ${{E}_{3}}^{1}$ | 80.38 | 5.36 | 0.02 | 0.270 | ||
马八2-23 | 1 412~1 424.5 | ${{E}_{3}}^{1}$ | 78.83 | 7.41 | 0.02 | 0.200 | ||
马八2-25 | 1 311.3~1 329.7 | ${{E}_{3}}^{1}$ | 81.33 | 4.94 | 0.01 | 0.260 | ||
马八2-26 | 1 335.3~1 337.3 | ${{E}_{3}}^{1}$ | 80.77 | 5.74 | 0.01 | 0.280 | ||
马北 | 马八2-28 | 1 330~1 332 | ${{E}_{3}}^{1}$ | 82.18 | 5.98 | 0.00 | 0.250 | |
马八2-29 | 1 347.7~1 353.5 | ${{E}_{3}}^{1}$ | 80.27 | 7.54 | 0.01 | 0.250 | ||
马八3-2 | 1 414.3~1 416.9 | ${{E}_{3}}^{1}$ | 83.75 | 5.01 | 0.00 | 0.230 | ||
马八3-8 | 1 345.2~1 347.2 | ${{E}_{3}}^{1}$ | 80.37 | 5.91 | 0.02 | 0.260 | ||
马西1-3 | 795~797 | ${{E}_{3}}^{1}$ | 0.080 | 本文 | ||||
马西106 | 741.7~752.1 | ${{E}_{3}}^{2}$ | 0.102 | |||||
马八H1-1 | 1 575~1 790 | ${{E}_{3}}^{1}$ | 0.259 | |||||
马八H2-1 | 1 460~1 740 | ${{E}_{3}}^{1}$ | 0.256 | |||||
马八2-28 | 1 330~1 332 | ${{E}_{3}}^{1}$ | 0.246 | |||||
马八3-8 | 1 345.2~1 347.2 | ${{E}_{3}}^{1}$ | 0.284 | |||||
涩北 | 涩2-10 | 1 135.0~1 143.3 | Q | 99.47 | 0.02 | 0.00 | 未检测出 | 本文 |
涩3-13 | 1 247.6~1 265.4 | Q | 99.40 | 0.05 | 0.00 | 未检测出 | ||
涩4-19 | 1 348.6~1 372.0 | Q | 99.25 | 0.06 | 0.15 | 0.001 | ||
涩4-3-1 | 708.7~767.5 | Q | 99.59 | 0.03 | 0.00 | 未检测出 | ||
涩4-6-2 | 1 055.2~1 122.8 | Q | 99.37 | 0.06 | 0.00 | 未检测出 | ||
涩6-3-4 | 1 211.5~1 242.3 | Q | 99.37 | 0.11 | 0.00 | 未检测出 | ||
涩19 | 1 022.8~1 067.0 | Q | 99.41 | 0.003 | 0.44 | 0.002 | ||
涩23 | 1 030.5~1 061.3 | Q | 98.72 | 0.41 | 0.63 | 未检测出 | ||
涩26 | 790.4~794.8 | Q | 98.08 | 0.42 | 0.01 | 0.004 | ||
南翼山 | 浅4-2 | 903~1 481 | ${{N}_{2}}^{2}$ | 78.94 | 1.14 | 0.42 | 0.028 | 本文 |
南5 | 3 475.2~3 488.2 | ${{E}_{3}}^{2}$ | 88.23 | 0.67 | 0.77 | 0.046 | ||
南H3-4 | 1 790.14 | ${{N}_{2}}^{1}$ | 83.22 | 1.22 | 0.01 | 未检测出 | ||
南105 | 1 340~2 254.8 | ${{N}_{2}}^{1}$;N1 | 89.22 | 1.88 | 0.54 | 0.012 | ||
南2-5 | 1 532~1 653.4 | ${{N}_{2}}^{1}$ | 91.72 | 0.86 | 0.01 | 未检测出 | ||
全吉山 | 9-8-1 | — | — | 0.04 | 98.84 | 0.00 | 1.10 | [ |
KT-7-1 | 874 | J2d7 | 49.06 | 48.58 | 0.30 | 1.14 | ||
KT-7-2 | 883 | J2d7 | 59.95 | 36.72 | 0.51 | 0.68 | ||
团鱼山 | KT-7-3 | 885 | J2d7 | 35.64 | 62.13 | 0.36 | 0.47 | |
KT-7-4 | 910 | J2d7 | 36.89 | 60.79 | 0.60 | 0.60 | ||
KT-7-8 | 925 | J2d7 | 27.89 | 70.22 | 0.47 | 0.50 | ||
德令哈 | CY2-01 | 656.43 | C | 2.53 | 90.69 | 4.83 | 未检测出 | [ |
CY2-02 | 658.00 | C | 0.44 | 84.37 | 14.00 | 未检测出 | ||
CY2-03-1 | 919.46~919.61 | C | 3.25 | 78.41 | 17.52 | 未检测出 | ||
CY2-04-1 | 650~1 090 | C | 68.39 | 6.40 | 2.81 | 0.14 | ||
CY2-05 | 650~1 090 | C | 26.44 | 68.47 | 2.98 | 0.78 | ||
CY2-06 | 952.84~952.92 | C | 15.96 | 78.60 | 8.85 | 未检测出 | ||
CY2-07 | 964.23~964.31 | C | 2.38 | 92.43 | 3.79 | 未检测出 | ||
CY2-08-1 | 991.0~991.09 | C | 35.50 | 59.15 | 4.11 | 0.09 | ||
CY2-09 | 990.90~991.01 | C | 19.96 | 75.79 | 2.65 | 未检测出 | ||
CY2-10 | 650~1 090 | C | 35.52 | 59.17 | 4.11 | 0.09 | ||
CY2-11 | 650~1 090 | C | 67.35 | 29.08 | 2.25 | 未检测出 | ||
CY2-12 | 650~1 090 | C | 0.37 | 93.85 | 4.38 | 未检测出 | ||
青德参1井 | 3 140~3 160 | C | 94.42 | 7.61 | 0.35 | 0.06 |
潜在氦源岩 | 样品数量 | U含量/10-6 | Th含量/10-6 | 平均U含量/10-6 | 平均Th含量/10-6 | 生氦强度/ (10-12 cm3·a-1·g-1) |
---|---|---|---|---|---|---|
花岗岩 | 11 | 2.21~5.86 | 14.77~29.23 | 2.88 | 19.71 | 0.91 |
花岗闪长岩 | 7 | 0.73~4.81 | 9.80~34.8 | 3.27 | 20.1 | 0.97 |
花岗片麻岩 | 6 | 2.31~3.68 | 18.27~24.02 | 2.80 | 21.82 | 0.96 |
片岩 | 5 | 0.95~3.07 | 2.54~18.00 | 1.77 | 10.71 | 0.52 |
侏罗系泥页岩 | 20 | 1.07~45.82 | 0.10~24.65 | 10.41 | 13.41 | 1.64 |
第四系泥岩 | 26 | 2.40~5.79 | 8.68~13.01 | 3.23 | 11.00 | 0.71 |
石炭系页岩 | 7 | 4.20~10.90 | 9.10~32.50 | 7.26 | 22.77 | 1.53 |
砂岩型铀矿 | 19 | 4.03~12.70 | 9. 65~14. 84 | 8.03 | 11.69 | 1.30 |
Table 2 U and Th contents and helium intensity of potential helium source rocks in the Qaidam Basin[14,37-39]
潜在氦源岩 | 样品数量 | U含量/10-6 | Th含量/10-6 | 平均U含量/10-6 | 平均Th含量/10-6 | 生氦强度/ (10-12 cm3·a-1·g-1) |
---|---|---|---|---|---|---|
花岗岩 | 11 | 2.21~5.86 | 14.77~29.23 | 2.88 | 19.71 | 0.91 |
花岗闪长岩 | 7 | 0.73~4.81 | 9.80~34.8 | 3.27 | 20.1 | 0.97 |
花岗片麻岩 | 6 | 2.31~3.68 | 18.27~24.02 | 2.80 | 21.82 | 0.96 |
片岩 | 5 | 0.95~3.07 | 2.54~18.00 | 1.77 | 10.71 | 0.52 |
侏罗系泥页岩 | 20 | 1.07~45.82 | 0.10~24.65 | 10.41 | 13.41 | 1.64 |
第四系泥岩 | 26 | 2.40~5.79 | 8.68~13.01 | 3.23 | 11.00 | 0.71 |
石炭系页岩 | 7 | 4.20~10.90 | 9.10~32.50 | 7.26 | 22.77 | 1.53 |
砂岩型铀矿 | 19 | 4.03~12.70 | 9. 65~14. 84 | 8.03 | 11.69 | 1.30 |
地区 | 岩性 | 岩性时代 | 年龄/Ma | ||||
---|---|---|---|---|---|---|---|
东坪1井区 | 花岗片麻岩 | 早泥盆世 | 406.9 | ||||
东坪17井区 | 板岩 | 晚三叠世 | 216 | ||||
东坪3井区 | 花岗岩 | 晚志留世 | 418.6 | ||||
尖北 | 花岗闪长岩 | 晚奥陶世 | 444 | ||||
牛东 | 花岗岩 | 晚三叠世 | 230 | ||||
牛中 | 花岗岩 | 晚二叠世 | 253~276 | ||||
冷北 | 石英片岩 | 晚侏罗世 | 155 | ||||
马北 | 花岗片麻岩 | 二叠纪 | 274 | ||||
马西 | 花岗岩 | 志留纪 | 431 | ||||
大柴旦 | 花岗岩 | 志留纪 | 446.3 | ||||
昆北 | 花岗岩 | 中—晚奥陶世 | 450~467 | ||||
全吉山 | 泥页岩 | 中侏罗世 | 180 | ||||
页岩 | 石炭纪 | 350 | |||||
一里坪 | 泥页岩 | 早侏罗世 | 205 | ||||
页岩 | 石炭纪 | 350 | |||||
英东 | 砂岩 | 更新世 | 8.2~14.9 |
Table 3 Lithology, lithologic age and age of typical gas fields in the Qaidam Basin[6,9]
地区 | 岩性 | 岩性时代 | 年龄/Ma | ||||
---|---|---|---|---|---|---|---|
东坪1井区 | 花岗片麻岩 | 早泥盆世 | 406.9 | ||||
东坪17井区 | 板岩 | 晚三叠世 | 216 | ||||
东坪3井区 | 花岗岩 | 晚志留世 | 418.6 | ||||
尖北 | 花岗闪长岩 | 晚奥陶世 | 444 | ||||
牛东 | 花岗岩 | 晚三叠世 | 230 | ||||
牛中 | 花岗岩 | 晚二叠世 | 253~276 | ||||
冷北 | 石英片岩 | 晚侏罗世 | 155 | ||||
马北 | 花岗片麻岩 | 二叠纪 | 274 | ||||
马西 | 花岗岩 | 志留纪 | 431 | ||||
大柴旦 | 花岗岩 | 志留纪 | 446.3 | ||||
昆北 | 花岗岩 | 中—晚奥陶世 | 450~467 | ||||
全吉山 | 泥页岩 | 中侏罗世 | 180 | ||||
页岩 | 石炭纪 | 350 | |||||
一里坪 | 泥页岩 | 早侏罗世 | 205 | ||||
页岩 | 石炭纪 | 350 | |||||
英东 | 砂岩 | 更新世 | 8.2~14.9 |
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