Research on the method of shear wave prediction based on rock physics modeling

LIU Lan-Feng; YIN Long; HUANG Han-Dong; ZHOU Zhen-Ya; DONG Jin-Chao

doi:10.11720/wtyht.2021.1164

2021 Vol. 45, No. 6

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Article navigation > Geophysical and Geochemical Exploration > 2021 > 45(6): 1482-1487

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LIU Lan-Feng, YIN Long, HUANG Han-Dong, ZHOU Zhen-Ya, DONG Jin-Chao. 2021. Research on the method of shear wave prediction based on rock physics modeling. Geophysical and Geochemical Exploration, 45(6): 1482-1487. doi: 10.11720/wtyht.2021.1164

Citation:

LIU Lan-Feng, YIN Long, HUANG Han-Dong, ZHOU Zhen-Ya, DONG Jin-Chao. 2021. Research on the method of shear wave prediction based on rock physics modeling. Geophysical and Geochemical Exploration, 45(6): 1482-1487. doi: 10.11720/wtyht.2021.1164

Research on the method of shear wave prediction based on rock physics modeling

1. Sinopec Petroleum Exploration and Development Research Institute,Beijing 100083,China;
2. Research Institute of Petroleum Geophysical Prospecting,SINOPEC,Nanjing 211103,China;
3. College of Geosciences,China University of Petroleum-Beijing,Beijing 102249,China

Received Date: 24 September 2020

Revised Date: 20 December 2021

Publish Date: 21 December 2021

Abstract

Abstract

Shear wave velocity plays an important role in seismic forward modeling,fluid prediction and AVO analysis.However,due to the high cost of shear wave logging,there are no shear wave velocity logging data in some work areas.The prediction method of shear wave based on rock physics modeling is specific and accurate.In this paper,the method of calculating effective elastic modulus proposed by Sabrina is adopted,and the assumption conditions of CAO for shear wave prediction by this method are extended,rock physics modeling is performed,and the measured porosity is used to calculate the pore compliance so as to further predict the shear wave.Finally,combined with the actual data,the cross velocity data are used to conduct verification,and the results show that the effect is fairly good.
- prediction method of shear wave /
- rock physics modeling /
- effective volume modulus /
- pore compliance

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References

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