Table 1. Lithology, Physical Properties, and Pore Structural Parameters of Conglomerate Samples of Three Sedimentary Lithofaciesa.
| sample types | sample no. | well | formation | lithology | lithofacies | helium porosity (%) | permeability (mD) | oiliness | shaliness | Rp | Rz | Ra | Rn | α | Φp | Sp | 1/DΦp |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| type 1 | T-1 | M027 | Baikouquan | gray glutenite | TFG | 10.89 | 0.244 | fluorescence | 1.47 | 0.313 | 1.83 | 5.703 | 0.16 | 0.22 | 0.947 | 0.698 | 0.04 |
| T-2 | M027 | Baikouquan | gray glutenite | TFG | 11.58 | 3.306 | oil spot | 1.85 | 1.511 | 7.66 | 11.336 | 0.09 | 0.151 | 0.102 | 1.751 | 0.947 | |
| T-3 | M027 | Baikouquan | green-gray glutenite | TFG | 8.58 | 2.447 | oil spot | 1.34 | 0.397 | 2.81 | 9.624 | 0.032 | 0.141 | 0.069 | 0.826 | 0.695 | |
| T-4 | M027 | Baikouquan | green-gray glutenite | TFG | 9.19 | 1.681 | oil spot | 1.03 | 0.207 | 5.9 | 8.583 | 0.013 | 0.256 | 0.029 | 0.654 | 1.559 | |
| T-5 | M027 | Baikouquan | green-gray glutenite | TFG | 6.58 | 1.349 | oil spot | 1.66 | 0.459 | 3.13 | 6.108 | 0.11 | 0.3 | 0.128 | 0.956 | 0.374 | |
| T-6 | M027 | Baikouquan | gray glutenite | TFG | 13.58 | 0.551 | fluorescence | 1.75 | 1.333 | 4.12 | 13.006 | 0.32 | 0.318 | 3.289 | 1.481 | 0.017 | |
| T-7 | M027 | Baikouquan | green-gray glutenite | TFG | 8.18 | 0.41 | fluorescence | 2.64 | 0.684 | 3.41 | 8.04 | 0.16 | 0.34 | 1.167 | 1.242 | 0.047 | |
| T-8 | M027 | Baikouquan | green-gray glutenite | TFG | 14.54 | 3.739 | oil stains | 0.57 | 1.723 | 8.452 | 10.881 | 0.081 | 0.233 | 0.109 | 1.907 | 0.836 | |
| T-9 | K206 | Wuerhe | gray glutenite | TFG | 11.04 | 0.845 | oil immersion | 2.28 | 0.694 | 2.718 | 7.054 | 0.126 | 0.393 | 0.786 | 1.218 | 0.072 | |
| T-10 | K207 | Wuerhe | gray glutenite | TFG | 12.37 | 0.893 | oil immersion | 0.59 | 0.528 | 1.965 | 5.749 | 0.235 | 0.367 | 0.482 | 0.764 | 0.143 | |
| T-11 | M027 | Baikouquan | green-gray glutenite | TFG | 7.36 | 0.644 | oil spot | 2.03 | 1.338 | 4.888 | 11.411 | 0.306 | 0.369 | 0.311 | 2.138 | 0.201 | |
| T-12 | M027 | Wuerhe | gray glutenite | TFG | 11.23 | 0.67 | oil spot | 1.49 | 0.112 | 0.7 | 1.024 | 0.019 | 0.439 | 0.265 | 0.188 | 0.296 | |
| average | 10.43 | 1.4 | 1.56 | 0.775 | 3.965 | 8.21 | 0.138 | 0.294 | 0.64 | 1.152 | 0.436 | ||||||
| type 2 | P-1 | K206 | Wuerhe | gray pebbly fine sandstone | P(F)SS | 2.85 | 0.053 | oil stains | 5.21 | 0.486 | 2.07 | 3.525 | 0.122 | 0.494 | 1.276 | 0.732 | 0.047 |
| P-2 | K206 | Wuerhe | gray pebbly fine sandstone | P(F)SS | 8.59 | 0.122 | fluorescence | 3.13 | 0.428 | 3.22 | 8.06 | 0.78 | 0.289 | 4.664 | 2.038 | 0.013 | |
| P-3 | K206 | Wuerhe | gray pebbly fine sandstone | P(F)SS | 5.02 | 0.026 | oil immersion | 4.04 | 0.215 | 1.231 | 2.179 | 0.047 | 0.395 | 1.12 | 0.362 | 0.053 | |
| P-4 | K206 | Wuerhe | pebbled gritty sandstone | P(G)SS | 8.84 | 2.085 | oil immersion | 1.81 | 0.652 | 4.908 | 7.543 | 0.131 | 0.358 | 0.182 | 1.737 | 0.338 | |
| P-5 | M032 | Wuerhe | pebbled gritty sandstone | P(G)SS | 7.88 | 1.22 | oil immersion | 1.95 | 0.34 | 6.134 | 13.006 | 0.107 | 0.105 | 0.093 | 0.932 | 0.391 | |
| P-6 | K206 | Wuerhe | gray pebbly fine sandstone | P(F)SS | 5.53 | 0.01 | oil spot | 5.05 | 0.312 | 1.441 | 4.024 | 0.066 | 0.494 | 3.101 | 0.364 | 0.017 | |
| P-7 | M18 | Wuerhe | maroon isometric sandstone | P(G)SS | 5.9 | 1.52 | fluorescence | 1.74 | 0.278 | 1.296 | 3.291 | 0.061 | 0.338 | 0.134 | 0.485 | 0.427 | |
| P-8 | M027 | Baikouquan | gray pebbly fine sandstone | P(F)SS | 5.15 | 0.0177 | oil stains | 5.75 | 0.104 | 0.46 | 0.912 | 0.072 | 0.314 | 0.893 | 0.414 | 0.05 | |
| P-9 | M027 | Baikouquan | gray pebbly fine sandstone | P(F)SS | 7.04 | 0.096 | oil stains | 5.86 | 0.291 | 2.352 | 4.64 | 0.098 | 0.343 | 0.906 | 0.571 | 0.077 | |
| P-10 | M027 | Wuerhe | maroon isometric sandstone | P(G)SS | 8.68 | 0.111 | fluorescence | 3.43 | 0.282 | 1.256 | 1.71 | 0.124 | 0.265 | 0.776 | 1.074 | 0.118 | |
| average | 6.55 | 0.53 | 3.797 | 0.339 | 2.437 | 4.889 | 0.161 | 0.340 | 1.315 | 0.871 | 0.153 | ||||||
| type 3 | G-1 | M027 | Wuerhe | gray conglomerate | GFG | 3.93 | 0.0057 | fluorescence | 5.94 | 0.05 | 0.732 | 0.432 | 0.034 | 0.478 | 0.867 | 0.18 | 0.064 |
| G-2 | M027 | Wuerhe | gray conglomerate | GFG | 4.22 | 0.0429 | fluorescence | 4.81 | 0.141 | 0.81 | 1.546 | 0.027 | 0.364 | 0.244 | 0.241 | 0.239 | |
| G-3 | M027 | Wuerhe | gray conglomerate | GFG | 5.82 | 0.681 | fluorescence | 2 | 0.202 | 2.9 | 4.978 | 0.046 | 0.214 | 0.044 | 0.71 | 2.23 | |
| G-4 | M027 | Wuerhe | gray glutenite | GFG | 5.67 | 0.121 | oil stains | 4.28 | 0.069 | 0.346 | 0.678 | 0.014 | 0.406 | 0.028 | 0.098 | 2.525 | |
| G-5 | M027 | Wuerhe | gray conglomerate | GFG | 2.9 | 0.301 | oil stains | 3.1 | 0.261 | 1.871 | 3.291 | 0.066 | 0.317 | 0.082 | 0.493 | 0.945 | |
| G-6 | M027 | Wuerhe | maroon glutenite | GFG | 5.96 | 0.027 | fluorescence | 6.55 | 0.057 | 0.227 | 0.419 | 0.01 | 0.549 | 0.091 | 0.072 | 0.87 | |
| G-7 | M027 | Wuerhe | gray conglomerate | GFG | 8.26 | 0.0421 | oil spot | 3.71 | 0.197 | 1.03 | 1.895 | 0.125 | 0.104 | 0.05 | 0.365 | 1.589 | |
| G-8 | M027 | Wuerhe | maroon | GFG | 3.87 | 0.799 | fluorescence | 2.86 | 0.093 | 0.076 | 0.186 | 0.032 | 0.188 | 0.031 | 0.128 | 1.318 | |
| G-9 | M027 | Wuerhe | gray glutenite | GFG | 4.99 | 0.016 | oil stains | 6.1 | 0.065 | 0.126 | 0.615 | 0.008 | 0.425 | 0.115 | 0.093 | 0.61 | |
| G-10 | M027 | Wuerhe | maroon glutenite | GFG | 5.51 | 0.084 | fluorescence | 4.37 | 0.127 | 1.06 | 3.191 | 0.025 | 0.159 | 0.132 | 0.394 | 0.244 | |
| average | 5.11 | 0.21 | 4.37 | 0.126 | 0.918 | 1.723 | 0.039 | 0.320 | 0.168 | 0.277 | 1.063 | ||||||
Rp is mean radius; Rz is main flow radius; Ra is the maximum radius; Rn is the difficult-flow pore size; α is homogeneity coefficient; Φp is the structure coefficient; Sp is sorting coefficient; 1/DΦp is the characteristic structure coefficient.