Table 12 Experimental Bo values and the XGBoost model estimations for four Iranian oil samples at different pressures.
Sample 1 | Sample 2 | ||||
---|---|---|---|---|---|
P (psia) | Real Bo (bbl/STB) | Model Bo (bbl/STB) | P (psia) | Real Bo (bbl/STB) | Model Bo (bbl/STB) |
5058 | 1.264993 | 1.263273 | 5058 | 1.269586 | 1.269956 |
4057 | 1.271601 | 1.272116 | 4057 | 1.276778 | 1.277404 |
3054 | 1.278784 | 1.279456 | 3054 | 1.284824 | 1.283406 |
2551 | 1.282781 | 1.281855 | 2551 | 1.289471 | 1.287139 |
2148 | 1.286200 | 1.286202 | 2248 | 1.292532 | 1.292635 |
2046 | 1.287120 | 1.288550 | 2148 | 1.293607 | 1.292635 |
1942 | 1.288076 | 1.288924 | 2046 | 1.294728 | 1.295759 |
1842 | 1.289012 | 1.288924 | 1942 | 1.295899 | 1.298283 |
1743 | 1.289957 | 1.289285 | 1842 | 1.297055 | 1.297930 |
1688.769 | 1.290442 | 1.291468 | 1692.429 | 1.298694 | 1.302322 |
1348 | 1.266570 | 1.265986 | 1386 | 1.271466 | 1.274578 |
1019 | 1.239040 | 1.243145 | 1036 | 1.241328 | 1.243556 |
688 | 1.212583 | 1.215799 | 682 | 1.210465 | 1.211540 |
358 | 1.178781 | 1.182006 | 330 | 1.170797 | 1.167173 |
14.7 | 1.059500 | 1.058335 | 14.7 | 1.067100 | 1.065139 |
Sample 3 | Sample 4 | ||||
---|---|---|---|---|---|
P (psia) | Real Bo (bbl/STB) | Model Bo (bbl/STB) | P (psia) | Real Bo (bbl/STB) | Model Bo (bbl/STB) |
5049 | 1.372511 | 1.376968 | 5557 | 1.310795 | 1.309808 |
4050 | 1.384720 | 1.386455 | 5058 | 1.314791 | 1.312617 |
3047 | 1.393742 | 1.396921 | 4057 | 1.323210 | 1.322753 |
2543 | 1.404223 | 1.402851 | 3054 | 1.332665 | 1.328542 |
2442 | 1.404594 | 1.404133 | 2248 | 1.341454 | 1.339894 |
2341 | 1.404594 | 1.405437 | 2148 | 1.342729 | 1.339894 |
2241 | 1.406945 | 1.406750 | 2046 | 1.344060 | 1.342788 |
2140 | 1.404457 | 1.408102 | 1942 | 1.345451 | 1.343368 |
2039 | 1.406495 | 1.409479 | 1842 | 1.346824 | 1.345261 |
1977.934 | 1.412340 | 1.410265 | 1743 | 1.348221 | 1.347062 |
1686 | 1.369929 | 1.386076 | 1643 | 1.349671 | 1.349845 |
1383 | 1.349317 | 1.357261 | 1568.62 | 1.350668 | 1.350203 |
1079 | 1.319025 | 1.328358 | 1236 | 1.316720 | 1.302710 |
774 | 1.292498 | 1.299005 | 935 | 1.287005 | 1.285658 |
368 | 1.245166 | 1.249311 | 632 | 1.254527 | 1.253684 |
14.7 | 1.077700 | 1.074200 | 330 | 1.211657 | 1.226408 |
 |  |  | 14.7 | 1.074100 | 1.074109 |