Reservoir Evaluation and Development ›› 2018, Vol. 8 ›› Issue (3): 30-34.
• Reservoir Evaluation • Previous Articles Next Articles
Feng Guoqing,Pan Liyan,Kong Bing,Luo Jiashun
Received:
2017-09-01
Online:
2018-06-26
Published:
2018-12-07
CLC Number:
Feng Guoqing,Pan Liyan,Kong Bing,Luo Jiashun. Hierarchical optimization research based on fuzzy clustering analysis[J].Reservoir Evaluation and Development, 2018, 8(3): 30-34.
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Table 2
Indexes of small layer in reservoir-H"
层位 | 孔隙度,% | 变异系数 | 含油面积/km2 | 剩余储量丰度/ | 采出程度,% | 水驱动用 | 含水率,% | 深度/m | 渗透率/ | |
---|---|---|---|---|---|---|---|---|---|---|
(104t·km-2) | 程度,% | 10-3μm2 | ||||||||
S11 | 19 | 1 | 1.44 | 18.64 | 3.84 | 36.7 | 0.89 | 1 501 | 13.5 | |
S12 | 21 | 1.7 | 1.72 | 27.87 | 19.81 | 51.6 | 0.83 | 1 516 | 27.5 | |
S21 | 21 | 1.9 | 1.72 | 28.89 | 22.96 | 43.5 | 0.85 | 1 533 | 27.5 | |
S22 | 20 | 0.5 | 0.99 | 25.49 | 20.62 | 45.5 | 0.82 | 1 548 | 27.5 | |
S31 | 20 | 2.1 | 1.29 | 25.86 | 4.53 | 42.1 | 0.77 | 1 563 | 32.5 | |
S32 | 20 | 1.4 | 1.37 | 17.86 | 22.47 | 46.1 | 0.59 | 1 578 | 37.5 | |
S41 | 19 | 1.6 | 1.21 | 19.73 | 16.14 | 42.6 | 0.77 | 1 585 | 35 | |
S42 | 19 | 0.7 | 0.66 | 15.8 | 18.57 | 52.9 | 0.78 | 1 602 | 32.5 | |
S51 | 19 | 0.8 | 0.84 | 13.5 | 3.65 | 61 | 0.92 | 1 618 | 27.5 | |
S52 | 20 | 1.3 | 1.91 | 37.69 | 26.25 | 38.9 | 0.7 | 1 634 | 25 |
Table 3
Two sets of strata division schemes under different confidence levels"
置信水平 | 第一套层系 | 第二套层系 | 地质特点 | |||
---|---|---|---|---|---|---|
划分 | 地质储量/104t | 划分 | 地质储量/104t | |||
λ=0.925 | S11~S41,S52 | 205.08 | S42,S51 | 16.75 | 第二套地质储量较小 | |
λ=0.899 | S11~S41 | 164.6 | S42,S52 | 48.53 | 第二套地质储量较小 | |
λ=0.889 | S11~S32 | 146.93 | S41~S52 | 74.72 | 有一定的地质储量,层系集中 | |
λ=0.886 | S11~S31 | 131.23 | S32~S52 | 90.42 | 有一定的地质储量,层系集中 | |
λ=0.884 | S11,S12,S22,S31 | 103.83 | S21,S32~S52 | 117.82 | 有一定的地质储量,层系比较集中 | |
λ=0.878 | S12,S22,S31 | 75.45 | S11,S21,S32~S52 | 146.2 | 第一套地质储量较小 |
Table 4
Comparison of indicators in different schemes"
方案 | 层系号 | 地质储量/104t | 累产油/104t | 目前采出程度,% | 方案采出程度,% | 提高采出程度,% | 单井控制储量/104t |
---|---|---|---|---|---|---|---|
F1 | 第一套 | 146.93 | 36.35 | 15.25 | 24.74 | 9.49 | 6.12 |
第二套 | 74.72 | 21.55 | 20.44 | 28.84 | 8.40 | 3.40 | |
F2 | 第一套 | 131.23 | 30.95 | 14.39 | 23.59 | 9.20 | 5.47 |
第二套 | 90.42 | 25.89 | 20.79 | 28.63 | 7.84 | 4.11 | |
F3 | 第一套 | 104.11 | 24.34 | 12.59 | 23.38 | 10.79 | 4.34 |
第二套 | 118 | 33.50 | 21.30 | 28.39 | 7.09 | 5.36 |
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