Research Article
Investigation of the Law of Natural Gas Phase Behavior during the Migration and Reservoir Formation
Table 1
Calculated CH4 solubility in H2O (mCH4, mol/kg).
| P (MPa) | (K) | 313.15 | 333.15 | 353.15 | 363.15 | 373.15 | 393.15 | 413.15 | 433.15 | 453.15 | 473.15 |
| 5 | 0.0436 | 0.0392 | 0.0385 | 0.0383 | 0.0383 | 0.0387 | 0.0416 | 0.0457 | 0.0495 | 0.0541 | 10 | 0.0892 | 0.0713 | 0.0702 | 0.0787 | 0.0791 | 0.0798 | 0.0854 | 0.0953 | 0.1078 | 0.1256 | 15 | 0.1206 | 0.1012 | 0.0979 | 0.1061 | 0.1069 | 0.1123 | 0.1239 | 0.1396 | 0.1612 | 0.1911 | 20 | 0.1445 | 0.1273 | 0.1216 | 0.1204 | 0.1216 | 0.1382 | 0.1571 | 0.1786 | 0.2096 | 0.2506 | 30 | 0.1772 | 0.1592 | 0.1533 | 0.1541 | 0.1563 | 0.1735 | 0.1986 | 0.2348 | 0.2756 | 0.3455 | 40 | 0.2083 | 0.1881 | 0.1821 | 0.1832 | 0.1874 | 0.2086 | 0.2374 | 0.2881 | 0.3405 | 0.4194 | 50 | 0.2306 | 0.2125 | 0.2108 | 0.2123 | 0.2185 | 0.2427 | 0.2762 | 0.3414 | 0.4058 | 0.4933 | 60 | 0.2563 | 0.2379 | 0.2363 | 0.2368 | 0.2461 | 0.2677 | 0.3124 | 0.3918 | 0.4692 | 0.5463 | 70 | 0.2806 | 0.2623 | 0.2604 | 0.2608 | 0.2744 | 0.3011 | 0.3474 | 0.4232 | 0.5049 | 0.6026 | 80 | 0.3024 | 0.2855 | 0.2832 | 0.2838 | 0.3027 | 0.3331 | 0.3822 | 0.4546 | 0.5406 | 0.6573 | 90 | 0.3228 | 0.3045 | 0.3048 | 0.3159 | 0.3311 | 0.3609 | 0.4168 | 0.4861 | 0.5763 | 0.7103 | 100 | 0.3449 | 0.3222 | 0.3228 | 0.3247 | 0.3481 | 0.3807 | 0.4368 | 0.5071 | 0.6123 | 0.7479 | 110 | 0.3647 | 0.3398 | 0.3408 | 0.3425 | 0.3652 | 0.4005 | 0.4568 | 0.5281 | 0.6483 | 0.7855 | 120 | 0.3824 | 0.3564 | 0.3588 | 0.3653 | 0.3819 | 0.4203 | 0.4769 | 0.5489 | 0.6843 | 0.8231 | 130 | 0.3966 | 0.3775 | 0.3807 | 0.3866 | 0.4062 | 0.4481 | 0.5018 | 0.5887 | 0.7088 | 0.8543 | 140 | 0.4088 | 0.3956 | 0.3984 | 0.4049 | 0.4264 | 0.4719 | 0.5307 | 0.6218 | 0.7333 | 0.8845 | 150 | 0.4213 | 0.4117 | 0.4171 | 0.4232 | 0.4456 | 0.4957 | 0.5594 | 0.6549 | 0.7578 | 0.9146 | 160 | 0.4312 | 0.4288 | 0.4336 | 0.4426 | 0.4668 | 0.5196 | 0.5968 | 0.6853 | 0.7823 | 0.9437 | 170 | 0.4402 | 0.4399 | 0.4448 | 0.4543 | 0.4829 | 0.5368 | 0.614 | 0.7076 | 0.8103 | 0.9747 | 180 | 0.4486 | 0.447 | 0.452 | 0.462 | 0.495 | 0.5501 | 0.6272 | 0.7259 | 0.8342 | 1.0012 | 190 | 0.4565 | 0.4552 | 0.4592 | 0.4697 | 0.5064 | 0.5623 | 0.6405 | 0.7442 | 0.8582 | 1.0277 | 200 | 0.4624 | 0.4613 | 0.4664 | 0.4774 | 0.5192 | 0.5764 | 0.6536 | 0.7623 | 0.8821 | 1.0535 |
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