Reservoir Evaluation and Development ›› 2022, Vol. 12 ›› Issue (2): 373-381.doi: 10.13809/j.cnki.cn32-1825/te.2022.02.013
• Comprehensive Research • Previous Articles Next Articles
LIN Weiqiang(),QU Lili,ZHU Lu,FENG Linping
Received:
2021-04-29
Online:
2022-04-26
Published:
2022-05-07
CLC Number:
LIN Weiqiang,QU Lili,ZHU Lu,FENG Linping. Evaluation of inter-well sand body connectivity by combination of well, seismic, and reservoir and its application: Taking the middle and deep layers of M area of Nanpu Oilfield as an example[J].Reservoir Evaluation and Development, 2022, 12(2): 373-381.
Table 3
Optimization of seismic inversion methods"
反演方法 | 分辨率 | 符合率 | 识别岩性体能力及适用性 |
---|---|---|---|
波阻抗反演 (无井) | 与原始地震相当 | 较低,与原始地震相当,仅有60 % | 沉积现象明显,易追踪岩性体,适合开发初期 |
波阻抗反演 (用井) | 略高于原始地震 | 一般,为70 % | 沉积现象较明显,易追踪岩性体,适合开发初期到中期,构造复杂区块 |
相控波形指示 反演 | 高,与井相当 | 参与反演井能达到85 %左右,非参与反演井约70 % | 沉积现象明显,易追踪岩性体,适合断块相对简单、相位连续、井网不规则的开发区块 |
拟声波地质 统计学反演 | 高,与井相当 | 参与反演井符合率取决于拟合波阻抗区分砂泥岩的能力,一般能达到80 %,非反演井约65 % | 沉积现象较明显,易追踪岩性体,适合开发中后期构造复杂、井网密集、分布规律的区块 |
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