国内外各地天然气组分

1、、国外部分气田天然气和油田伴生气组分国外部分国家气田的天然气组成见表1-2-1、油田伴生气的组成见表1-2-2。表1-2-1国外部分国家气田的天然气组成（体积分数）%国家气田CH4QHsC3H8C4H10C5H12COCO2N2H2S美国Louisia na92.183.331.480.79O00.050.91.02一Texas57.696.244.462.440.560.116.07.515加拿大Alberta64.41.20.70.80.30.74.80.726.3委内 瑞拉San Joaq uin76.79.796.693.260.940.721.9荷兰Goningen81.42.90.

2、370.140.040.050.814.26英国Lema n952.760.49O.20O.06O.150.041.3法国Lacq69.42.90.9O.6O.30.410一15.5俄罗斯QaBmacKO98.90.30.2一一CapaTOBc94.(7 e1.80.20.1一0.2一一m,eoe刃u茴h93k o4.00.60.70.250.150.10.6一OpeH6ypr84 KO<3.861.520.680.40.180.586.31.65CapanraHa.K cK.24e2.070.740.310.135.30.853.07表1-2-2国外部分国家油田伴生气的平均组成（体积分

3、数）%国家CH4C2H6C3H8C4H10C5H12C6+CQN2H2S印度尼西亚71.895.642.571.442.51.0914.510.35O.01沙特阿拉 伯51.018.511.54.41.20.99.70.52.2科威特78.212.65.10.60.60.21.6一0.1阿联酋55.6616.6311.655.412.811.05.50.550.79伊朗74.913.07.23.11.10.40.3一一利比亚66.819.49.13.51.52一一一一卡塔尔55.4913.299.695.633.821.07.0211.22.93阿尔及利亚83.447.02.10.870.36

4、一0.215.83一、我国部分气田天然气、凝析气和油田伴生气组成我国部分油田伴生气组成见表1-2-3,部分气田和凝析气田天然气组成见表1-2-4，四川盆地主要气田天然气组成见表1-2-5。表1-2-3我国部分油田伴生气组成（体积分数）%油田CH4C2H6C3H8i-C4H10n-C4H10i-C5H12 n-C5H12C6C7+CQN2H2S大庆萨南76.665.936.591.023.451.541.210.950.262.28一萨中85.883.344.540.67i.990.350.8i0.360.i60.9i.0一杏南68.26i0.58ii.25.54i.9i0.660.360.20

5、0.55一辽河兴隆台82.77.2i4.i60.74i.460.440.37i.04一0.42i.47一辽中87.536.22.740.62i.220.360.300.2i0.460.030.33一华北任丘59.376.48i0.029.2i3.8ii.34i.404.58i. 79一大港80.94i0.24.840.87i.060.34一0.4i0.34一胜利87.853.783.740.8i2.3i0.820.650.060.030.530.02一中原75.3i0.i76.i8i.452.60.980.750.650.5i0.340.430.000379.i78.295.07i.062.0

6、60.660.380.330.37i.250.650.0003吐哈丘陵67.6ii3.5ii0.693.062.550.680.560.i60.090.400.65一温米76.i29.286.772.82i.650.840.300.220.070.26i.59一鄯善65.8ii2.85i0.i73.663.i8i.i50.680.390.i4i.890.03一克拉2E98.050.400.940.60K98.270.530.040.0i0.0i0.0i一一0.550.60迪那2Nij88.4i7.32i.430.290.300.ii0.07一0.47i.34E88.767.39i.440.30

7、0.3i0.i30.09一0.250.86吐孜 洛克Nij90.4i5.ii0.450.070.08一一一0.27 J3.56K94.773.940.380.070.06一一一0.070.64伊南2J90.865.02i.580.3i0.350.i20.i5一一0.34i.28英买7E86.384.802.0i0.320.4i0.080.080.245.67K90.574.740.090.090.090.020.020.073.73牙哈Nij84.356.99i.980.300.500.i40.i5一0.265.22E83.8i7.082.640.520.570.i40.i20.244.86K

8、8i.407.762.840.58i.0i0.350.460.864.30红旗1Nij76.6ii0.i24.28i.08i.420.520.46一0.i25.28一E7i.43ii.ii5.i70.5i0.570.ii0.07一2.828.2i一羊塔克E89.227.0ii.490.260.250.0i0.0i0.05i.70K92.354.960.970.280.2i0.080.040.i5i.06Nij84.697.072.ii0.590.48一一一0.234.65一玉东2E、K82.287.662.060.290.460.720.36一i.0i5.09一苛克亚Ni79.889.422.

9、65i.44i.2i0.290.76一3.990.00一吉拉jT87.i93.53i.620.3i0.220.040.07一一0.226.8i一克C94.750.560.170.020.040.020.02J0.443.98一吉南4T70.3411.0412.021.110.720.360.66一0.002.76一恂6C85.611.550.590.120.280.080.06一2.169.55一和田河C77.400.690.09一一一一一12.209.63一O78.081.810.540.090.220.060.09一2.3916.72一台南Q1+298.240.050.03一一一一一0.5

10、91.05一涩北-1Q1+299.240.060.02一一一一一一0.68一涩北-2Q1+296.950.070.03一一一一一0.682.17一盐湖Q1+295.170.280.03一一一一一一3.44一台吉 乃尔Q1+298.440.140.01一一一一一0.201.11一长庆O95.60.60.080.020.010.010.03一3.020.040.0264大港 板桥0、P68.5511.226.421.632.030.940.831.825.021.000.45一华北苏桥0、P78.588.263.131.430.550.395.451.410.80东海 平湖巳P77.769.743

11、.851.141.190.270.440.342.611.391.27一东方1-1Nyth76.411.770.29一1.2319.73崖13-1E3184.511.290.280.050.060.020.020.040.0913.140.500.0046表1-2-5四川盆地主要气田天然气组成（体积分数）%气田气藏CH4C2H6QH8i-QH10n-QH10i-C5H12n-C5H12CQN2H2S新场J3P97.321.1980.4600.1450.165O.0030.0500.020.61一J2S95.992.540.540.120.1160.0360.0220.320.28T3X493.

12、563.300.460.080.07O.020.0l0.761.37T3X297.370.830.090.010.01O.0030.0011.150.53洛带J3P96.092.180.480.0880.0930.0300.0260.420.011J2sn92.854.160.710.2530.1720.0580.0470.621.07中坝TX291.05.81.590.130.350.10.280.470.19Tr384.842.050.470.2810.102一4.131.716.32自流井P13 297.120.560.97一一一一1.1351.060.02威远Z86.470.11一一一

13、一4.4378.100.879磨溪Tr196.480.191-I-一一0.5461.021.767庙咼寺Tq196.420.730,140.04一一1.930.69傅家庙Tc?95.771.100.370.16一0.082.24一宋家场P12 497.171.020.2 一1-0.471.090.01阳咼寺P12气田的天然气组成中乙烷以上的烃类含量较少，即一般称为干气，但也有部分气田的天然气组成中乙烷以上的烃类含量稍高一些，一般均小于5%。97.811.050.171-一一0.440.48兴隆场t(?96.741.070.320.070.090.0750.0451.54一八角场4J1Zm88.

14、196.332.480.360.640.70.261.04遂南Th凝析气田天然气中乙烷和乙烷以上的烃类含量比油田伴生气低一些，一般在5%10%。 在天然气(伴生气)中N2、CQ、H?S等的含量参差不齐，无任何规律。 四川盆地海相气藏大部分为含硫天然气藏，中国石油西南油气田分公司含H2S气田约占已开发气田的78.6%,其中H2S含量较高的川西中坝气田、川东卧龙河气田已正常开采了20余年，1993年完成开采先导试验的H2S含量高达31.95%的卧龙河气田阳新统气藏卧63井是我国已试采的含 H2S最高的一口气井。87.926.482.460.540.60.40.211.38一Tq493.720.880.210.05一一一0.540.494.0卧龙河Tc3295.970.550.100.010.020.020.020.351.31.52P2164.910.350.090.0470.0460.0170.0161.650.6931.95C97.530.430.030.0040.006一一1.010.730.26相国寺C97.620.920.07一一一一0.161.130.16大天池C95.971.230.230.0040.006一一1.711.870.26渡口河T1f84.680.070.03一一一一5.440.718.77罗家寨T1f75.290.110.0