岩石颗粒胶结方式对储层岩石弹性及渗流性质的影响

赵建鹏; 孙建孟; 姜黎明; 陈惠; 闫国亮

doi:10.3799/dqkx.2014.072

Volume 39 Issue 6

Jun. 2014

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Zhao Jianpeng, Sun Jianmeng, Jiang Liming, Chen Hui, Yan Guoliang, 2014. Effects of Cementation on Elastic Property and Permeability of Reservoir Rocks. Earth Science, 39(6): 769-774. doi: 10.3799/dqkx.2014.072

Citation:

Zhao Jianpeng, Sun Jianmeng, Jiang Liming, Chen Hui, Yan Guoliang, 2014. Effects of Cementation on Elastic Property and Permeability of Reservoir Rocks. Earth Science, 39(6): 769-774. doi: 10.3799/dqkx.2014.072

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Effects of Cementation on Elastic Property and Permeability of Reservoir Rocks

doi: 10.3799/dqkx.2014.072

1.
School of Geosciences, China University of Petroleum, Qingdao 266580, China
2.
Technology Center, China National Petroleum Corporation Logging Co., Ltd., Xi'an 710077, China
3.
International Division, China National Petroleum Cor poration Logging Co., Ltd., Beijing 102206, China
4.
Northwest Branch, Research Institute of Petroleum Ex ploration & Development, Lanzhou 730020, China

Received Date: 2013-09-07
Publish Date: 2014-06-15

Abstract

Abstract

In order to investigate the efects of cementation on elastic properties and permeability of reservoir rocks, a 3D digital model of core was constructed. Then this model was simulated using the process-based method and finite element lattice Boltzmann method. The results show that cementation influences the rock stiffness and pore connectivity, controlling elastic modulus and rock permeability, respectively. Given same porosity, rocks with cement occurring in the pore throats have high elastic modulus and low permeability; whereas rocks with cement precipitating within pores have low elastic modulus and high permeability. Among the simulated three cementation scenarios, the rock elastic modulus increases with increasing amount of cement, and there is a linear relationship between them, Rock permeability, however, deceases with increasing amount of cement, because permeability is more sensitive to where cements precipitate than rock elastic parameters.
- 3D digital core,
- cementation mode,
- elastic property,
- finite element method,
- percolation property,
- lattice Boltzmann method,
- petroleum geology,
- core sample

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References

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Effects of Cementation on Elastic Property and Permeability of Reservoir Rocks

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