Research Article

The Exquisite Comparison of Shale Mineralogical-Geochemical Characteristics between Chang 7 Member and Chang 9 Member in Yanchang Formation, Ordos Basin

Table 3

TOC and Rock-Eval of 156 Yanchang shale samples.

NumberDepth (m)Member/SMTOC (%)Tmax (°C) (mg/g) (mg/g) (mg/g)PIHC (mg/g)HI (mg/g)NumberDepth (m)Member/SMTOC (%)Tmax (°C) (mg/g) (mg/g) (mg/g)PIHC (mg/g)HI (mg/g)

11609.95C7-2 SM5.3674541.97.859.750.194935146791446.7C7-2SM7.1474553.6612.8816.540.221351180
21611C7-2SM5.3934562.018.1310.140.198237151801447.28C7-2SM6.0554533.019.6112.620.238550159
31612.18C7-2SM3.5174531.355.046.390.211338143811447.78C7-2SM6.0674522.879.5312.40.231547157
41613.1C7-2SM4.5734572.086.848.920.233245150821448.42C7-2SM3.834543.246.689.920.326685174
51613.94C7-2SM7.1394564.2412.5816.820.252159176831448.96C7-2SM4.3384512.866.979.830.290966161
61615.1C7-2SM4.7364473.218.9412.150.264268189841449.49C7-2SM4.7944413.385.769.140.369871120
71616.18C7-2SM6.6254524.0613.1517.210.235961198851450.02C7-2SM5.1774513.096.639.720.317960128
81617.05C7-2SM5.9774563.7810.7814.560.259663180861451.04C7-2SM5.1544532.637.7710.40.252951151
91618.15C7-2SM4.9994523.048.9712.010.253161179871511.17C7-2SM5.7584486.0310.3916.420.3672105180
101619.2C7-2SM5.1344404.328.7913.110.329584171881512.02C7-2SM5.0694486.4911.3917.880.3630128225
111620.1C7-2SM8.7734555.1815.4320.610.251359176891512.94C7-2SM4.6444504.187.5111.690.357690162
121621.15C7-2SM3.774503.728.1911.910.312399217901513.96C7-2SM5.494563.539.8513.380.263864179
131622.17C7-2SM10.294524.3816.9721.350.205243165911514.97C7-2SM5.3024534.4410.8215.260.291084204
141623.22C7-2SM11.414534.5815.2519.830.231040134921515.92C7-2SM3.3974523.217.3610.570.303794217
151624.29C7-2SM7.8094503.0410.7813.820.220039138931516.86C7-2SM5.114533.739.5313.260.281373186
161625.24C7-2SM11.444493.6712.4216.090.228132109941517.72C7-2SM4.8914533.668.9412.60.290575183
171194.39C7-2SM4.1014493.297.110.390.316780173951518.68C7-2SM4.6174533.678.8112.480.294179191
181195.29C7-2SM4.26345637.210.20.294170169961519.55C7-2SM6.7884564.9213.9118.830.261372205
191196.33C7-2SM2.4334513.694.888.570.4306152201971608.08C7-3SM6.274497.4213.9921.410.3466118223
201197.32C7-2SM5.3574563.359.5412.890.259963178981609.2C7-3SM5.154456.8812.5519.430.3541134244
211198.34C7-2SM4.474533.167.7510.910.289671173991611.1C7-3SM5.34476.8812.6519.530.3523130239
221199.38C7-2SM4.5394562.988.0110.990.2712661761001612.15C7-3SM5.084398.812.3721.170.4157173244
231200.36C7-2SM3.8824523.27.3610.560.3030821901011613.14C7-3SM5.3942310.2410.9521.190.4832190203
241201.47C7-2SM4.4664532.867.4110.270.2785641661021614.16C7-3SM5.1244310.5415.4225.960.4060206301
251202.54C7-2SM3.0144274.515.8710.380.43451501951031616.2C7-3SM6.094479.3716.0525.420.3686154264
261203.47C7-2SM2.6764195.345.9911.330.47132002241041617.5C7-3SM8.8145110.8724.0534.920.3113123273
271204.45C7-2SM5.5554554.0910.4314.520.2817741881051618.1C7-3SM4.924448.8914.323.190.3834181291
281205.35C7-2SM3.9144524.47.4711.870.37071121911061619C7-3SM5.264489.0416.0925.130.3597172306
291206.44C7-2SM5.3014554.419.5113.920.3168831791071620C7-3SM1.524423.273.046.310.5182215200
301207.51C7-2SM5.0754515.159.1814.330.35941011811081620.95C7-3SM3.294514.738.0212.750.3710144244
311208.5C7-2SM4.334475.949.06150.39601372091091621.55C7-3SM3.664455.298.0913.380.3954145221
321209.42C7-2SM4.3314505.689.0414.720.38591312091101385.24C7-3SM7.324535.1919.1524.340.213271262
331210.58C7-2SM4.1054406.079.4315.50.39161482301111386.2C7-3SM4.744506.3410.6717.010.3727134225
341211.41C7-2SM5.2454495.3210.0715.390.34571011921121387.12C7-3SM5.114365.4510.1915.640.3485107199
351212.53C7-2SM4.7984545.7410.2115.950.35991202131131388.11C7-3SM5.454463.7711.3615.130.249269208
361450.2C7-2SM5.5194562.928.2211.140.2621531491141389.17C7-3SM5.724484.4613.2717.730.251678232
371450.63C7-2SM3.9114502.795.438.220.3394711391151390.17C7-3SM5.284464.6510.9615.610.297988208
381451.1C7-2SM4.8264532.146.838.970.2386441421161391.03C7-3SM7.164505.7915.220.990.275881212
391451.23C7-2SM3.5444521.774.676.440.2748501321171391.97C7-3SM4.764436.7611.3518.110.3733142238
401451.79C7-2SM5.2934552.827.810.620.2655531471181393.06C7-3SM5.254326.6812.3619.040.3508127235
411452.37C7-2SM4.5774522.386.689.060.2627521461191395.02C7-3SM4.514485.3413.4718.810.2839118299
421452.78C7-2SM3.9894472.615.097.70.3390651281201394.06C7-3SM5.024515.8714.1920.060.2926117283
431453.4C7-2SM4.2744462.626.288.90.2944611471211396.02C7-3SM4.44445.0912.5317.620.2889116285
441453.9C7-2SM2.6194362.23.755.950.3697841431221397.08C7-3SM4.874445.5912.117.690.3160115248
451454.42C7-2SM4.4714522.115.477.580.2784471221231398.04C7-3SM4.64553.7111.6915.40.240981254
461455C7-2SM3.8174473.095.448.530.3623811431241398.93C7-3SM4.994448.5415.2823.820.3585171306
471455.33C7-2SM4.3584502.46.138.530.2814551411251400.04C7-3SM4.744318.2111.0119.220.4272173232
481455.46C7-2SM4.3194491.955.667.610.2562451311261748.3C9M6.4024573.046.939.970.304947108
491455.96C7-2SM4.5574501.885.437.310.2572411191271749.35C9M7.0044562.887.4710.350.278341107
501457.04C7-2SM5.1824533.85.779.570.3971731111281750.3C9M2.5084581.847.299.130.201573291
511457.56C7-2SM4.3654472.055.017.060.2904471151291751.3C9M6.9754571.977.279.240.213228104
521457.92C7-2SM2.3284183.323.987.30.45481431711301752.4C9M6.3094582.435.297.720.31483984
531458.51C7-2SM3.0094362.944.157.090.4147981381311753.25C9M6.1014582.976.269.230.321849103
541139.13C7-2SM2.4334232.833.976.80.41621161631321754.43C9M1.0763412.972.715.680.5229276252
551140.13C7-2SM3.4234483.886.3910.270.37781131871331755.28C9M5.4434562.846.579.410.301852121
561141.16C7-2SM0.27475220.380.340.720.52781381241341756.33C9M4.0954561.385.87.180.192234142
571141.97C7-2SM3.0914474.384.79.080.48241421521351360.08C9M6.0073451.995.517.50.26533392
581143.17C7-2SM5.354494.8912.817.690.2764912391361361.15C9M4.4345537100.300068158
591144.09C7-2SM2.9044464.277.4111.680.36561472551371362.17C9M10.224615.6518.1823.830.237155178
601145.15C7-2SM5.2414495.814.1219.920.29121112691381363.09C9M5.2814533.769.1212.880.291971173
611146.25C7-2SM2.7754575.015.3410.350.48411811921391364.02C9M5.2044533.179.3212.490.253861179
621148.21C7-2SM4.9414496.778.0914.860.45561371641401603.35C9M6.864612.165.557.710.28023181
631149.24C7-2SM4.0454556.618.2314.840.44541632031411603.73C9M2.9244541.773.134.90.361261107
641150.31C7-2SM3.7214445.998.1114.10.42481612181421604.16C9M5.6324524.3110.5514.860.290077187
651151.43C7-2SM4.1764504.997.6512.640.39481191831431604.66C9M5.4354544.399.3513.740.319581172
661152.32C7-2SM4.9174535.838.1113.940.41821191651441597.2C9M4.7694534.687.211.880.393998151
671153.41C7-2SM3.6864534.76.0910.790.43561281651451598.1C9M3.2674463.986.9910.970.3628122214
681154.35C7-2SM4.0844553.525.779.290.3789861411461663.39C9M5.4194582.5610.5513.110.195347195
691155.43C7-2SM3.8674603.375.038.40.4012871301471664.4C9M5.9954575.710.9816.680.341795183
701156.33C7-2SM2.7784363.295.28.490.38751181871481665.42C9M10.344625.4812.8518.330.299053124
711441.9C7-2SM1.4614620.851.592.440.3484581091491666.44C9M4.3854574.829.0413.860.3478110206
721442.45C7-2SM5.3294581.47.839.230.1517261471501667.44C9M7.1654574.9411.8216.760.294769165
731443.77C7-2SM2.1444252.284.747.020.32481062211511668.25C9M6.714564.5610.8515.410.295968162
741444.32C7-2SM3.8534552.485.487.960.3116641421521669.15C9M6.3084591.734.225.950.29082767
751444.79C7-2SM4.9614592.357.429.770.2405471501531669.97C9M5.8094554.399.4213.810.317976162
761445.46C7-2SM4.1424562.536.398.920.2836611541541670.9C9M6.4474564.729.3314.050.335973145
771445.68C7-2SM5.5714572.9710.1613.130.2262531821551671.32C9M5.2874575.38.2813.580.3903100157
781446.15C7-2SM7.6584573.5712.9616.530.2160471691561671.8C9M6.1164525.069.1114.170.357183149