利用排量倒推法计算地层中油气上窜速度
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马春林, 黄浩
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Calculation of upward channeling velocity of oil and gas in formation by using displacement inversion method
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Chunlin Ma, Hao Huang
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| 表4 DFX井油气上窜速度计算结果对比(三开、四开及五开井段) |
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井深
m | 钻头深度
m | 静止时间
h | 钻井液密度
g·cm-3 | 油气层深度
m | 油气上窜速度/(m·h-1) | 后效气全烃
10-6 | | 迟到时间法 | 容积法 | 泵冲数法 | 全烃曲线法 | 排量倒推法 | | 3 095.00 | 3 095.00 | 28.00 | 1.41 | 3 095.00 | 0.00 | 0.00 | 27.09 | 26.14 | 8.54 | 15 144 | | 3 798.00 | 3 790.00 | 3.75 | 2.04 | 3 646.00 | 1 290.96 | 1 289.98 | 129.52 | 257.33 | 142.13 | 26 783 | | 3 798.00 | 3 798.00 | 13.00 | 2.05 | 3 646.00 | 50.65 | 52.62 | 92.95 | 104.68 | 80.85 | 118 881 | | 3 798.00 | 3 798.00 | 40.40 | 2.06 | 3 646.00 | 83.91 | 89.62 | 80.87 | 3.03 | 66.31 | 173 511 | | 3 938.00 | 3 937.22 | 12.50 | 2.22 | 3 819.00 | 69.84 | 281.96 | 62.72 | 31.24 | 42.64 | 38 495 | | 3 938.00 | 3 937.25 | 12.37 | 2.24 | 3 819.00 | 120.44 | 97.56 | 49.72 | 201.48 | 32.58 | 26 403 | | 3 938.00 | 3 937.20 | 91.83 | 2.26 | 3 822.50 | 10.75 | 38.50 | 11.99 | 8.69 | 7.35 | 15 630 | | 3 938.00 | 3 937.04 | 28.50 | 2.26 | 3 877.50 | 14.09 | 130.52 | 18.69 | 3.60 | 19.28 | 70 166 |
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