Petroleum Reservoir Evaluation and Development ›› 2021, Vol. 11 ›› Issue (4): 605-613.doi: 10.13809/j.cnki.cn32-1825/te.2021.04.017
• Intelligent Evaluation • Previous Articles Next Articles
WANG Xiangchun1(),LIU Hao1,WANG Chao1,CHEN Bugao2(),ZHANG Peng1
Received:
2021-04-08
Online:
2021-08-26
Published:
2021-08-19
Contact:
CHEN Bugao
E-mail:wxch8888@163.com;94211031@qq.com
CLC Number:
WANG Xiangchun,LIU Hao,WANG Chao,CHEN Bugao,ZHANG Peng. Big data method for evaluating reservoir damage degree of fuzzy ball drilling fluid[J].Petroleum Reservoir Evaluation and Development, 2021, 11(4): 605-613.
Table 1
Statistics of fuzzy ball drilling fluid performance parameters and production data of velvet drilling"
井号 | ρ (g/cm3) | PV (mPa·s) | AV (mPa·s) | FV (s) | YP (Pa) | YP/PV Pa/(mPa·s) | pH | Qg (m3/d) | QLg (m3/d) | 邻井井号 |
---|---|---|---|---|---|---|---|---|---|---|
CLY-34 | 1.00 | 11.50 | 17.50 | 18 | 8.15 | 0.44 | 7.50 | 896.83 | 394.88 | CLY-36 |
CLY-37 | 0.97 | 6.00 | 9.00 | 18 | 3.80 | 0.63 | 8.00 | 310.37 | 486.78 | CLY-38 |
DFS-02 | 0.92 | 4.00 | 6.25 | 22 | 2.75 | 0.69 | 10.00 | 8 134.25 | 41.16 | DFS-01 |
吉U2 | 1.17 | 17.00 | 27.00 | 47 | 10.00 | 0.60 | 8.50 | 4 046.73 | 155.70 | 吉U1 |
延1-U1 | 1.08 | 13.00 | 19.00 | 39 | 6.25 | 0.48 | 7.50 | 410.05 | 263.33 | 延6-4-28U |
延3-U1 | 1.07 | 24.00 | 41.00 | 60 | 17.50 | 0.72 | 9.00 | 1 095.33 | 263.33 | 延6-4-28U |
延3-V1 | 1.02 | 18.50 | 31.50 | 56 | 12.39 | 0.74 | 10.50 | 1 030.92 | 263.33 | 延6-4-28U |
延1-52-38U | 0.99 | 17.00 | 32.75 | 73 | 12.45 | 0.57 | 11.00 | 1 125.91 | 263.33 | 延6-4-28U |
樊试U2 | 1.01 | 11.00 | 18.50 | 45 | 8.18 | 0.72 | 8.50 | 1 399.83 | 590.13 | ZP02-1V |
Table 2
Performance parameters and standardized results of production discharge data of fuzzy ball drilling fluid"
井号 | ρ | PV | AV | FV | YP | YP/PV | pH | ΔQ |
---|---|---|---|---|---|---|---|---|
CLY-34 | -0.418 | -0.446 | -0.544 | -1.336 | -0.291 | -1.745 | -1.225 | -0.505 |
CLY-37 | -0.851 | -1.291 | -1.283 | -1.336 | -1.242 | 0.107 | -0.816 | -0.77 |
DFS-02 | -1.572 | -1.599 | -1.523 | -1.126 | -1.472 | 0.692 | 0.816 | 2.543 |
吉U2 | 2.033 | 0.400 | 0.283 | 0.189 | 0.114 | -0.185 | -0.408 | 0.831 |
延1-U1 | 0.735 | -0.215 | -0.413 | -0.231 | -0.706 | -1.355 | -1.225 | -0.692 |
延3-U1 | 0.591 | 1.476 | 1.501 | 0.873 | 1.754 | 0.985 | 0.000 | -0.405 |
延3-V1 | -0.130 | 0.630 | 0.674 | 0.663 | 0.636 | 1.180 | 1.225 | -0.432 |
延1-52-38U | -0.562 | 0.400 | 0.783 | 1.557 | 0.650 | -0.478 | 1.633 | -0.392 |
樊试U2 | -0.274 | -0.523 | -0.457 | 0.084 | -0.284 | 0.985 | -0.408 | -0.278 |
Table 3
Ranking of regression coefficients after cutting"
YP | PV | pH | ρ | FV | YP/PV | AV | |
---|---|---|---|---|---|---|---|
未削元 | 5.103 | 4.662 | 1.975 | 1.165 | 0.556 | -0.372 | -11.801 |
未削元 | 5.103 | 4.662 | 1.975 | 1.165 | 0.556 | -0.372 | -11.801 |
去掉AV | 0.306 | -0.707 | 1.309 | 0.918 | -1.111 | 0.074 | |
去掉PV | 2.23 | 1.555 | 1.175 | -0.66 | -0.103 | -3.203 | |
去掉FV | 4.001 | 3.348 | 1.897 | 1.152 | -0.272 | -8.915 | |
去掉YP | 0.71 | 1.281 | 0.732 | -0.847 | 0.1 | -1.233 | |
去掉ρ | 1.49 | 4.62 | 1.093 | 0.338 | -0.058 | -7.069 | |
去掉YP/PV | 2.682 | 2.805 | 1.593 | 14.018 | -0.126 | -6.781 | |
去掉pH | -1.821 | -1.045 | 0.923 | -0.492 | 0.446 | 2.812 |
Table 4
Partial correlation analysis of average daily gas production model parameters"
控制变量 | ρ (g/cm3) | AV (mPa·s) | YP/PV [Pa/(mPa·s)] | pH | |
---|---|---|---|---|---|
ρ | 相关性 | 1.000 | 0.352 | -0.067 | -0.203 |
显著性(双尾) | 0.288 | 0.846 | 0.549 | ||
AV | 相关性 | 0.352 | 1.000 | 0.208 | 0.474 |
显著性(双尾) | 0.288 | 0.539 | 0.141 | ||
YP/PV | 相关性 | -0.067 | 0.208 | 1.000 | 0.473 |
显著性(双尾) | 0.846 | 0.539 | 0.142 | ||
pH | 相关性 | -0.203 | 0.474 | 0.473 | 1.000 |
显著性(双尾) | 0.549 | 0.141 | 0.142 |
Table 7
Comparison of single factor and multiple factor results of Well-CLY-34"
数据类型 | ρ | AV | YP/PV | pH | ΔQ | 方案 |
---|---|---|---|---|---|---|
标准值 | -0.418 | -0.544 | -3.065 | -1.225 | 0 | 单因素 |
实际值 | 1.000 | 17.498 | 0.305 | 7.500 | 1 763.934 | |
标准值 | -0.400 | -0.920 | -1.880 | -1.200 | 0 | 多因素 |
实际值 | 1.000 | 25.244 | 0.509 | 9.122 | 1 763.197 | |
标准值 | -0.540 | -1.750 | -0.420 | -1.220 | -0.540 | 原数据 |
实际值 | 17.500 | 0.440 | 1.000 | 7.500 | 501.950 |
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