A New Method for Obtaining the Average Oil-Bearing Rock Capillary Pressure


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Recent modification of the J-function model for obtaining the average oil-bearing rock capillary pressure based on the Leverett J-function have not fundamentally improved this technique, and modifications based on the rock pore-network model remain challenging. Because of this, a new method based on filling in 3-D curvilinear surfaces was developed for obtaining the average capillary pressure. The accuracy of the new method was verified by comparing the calculated results with the experimental data, which are in agreement. These findings suggest that the new method can be used to obtain the accurate average capillary pressure.

Sobre autores

Wu Shuai

State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University

Email: guopingswpi@vip.sina.com
República Popular da China, Sichuan

Guo Ping

State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University

Autor responsável pela correspondência
Email: guopingswpi@vip.sina.com
República Popular da China, Sichuan

Tao Zhengwu

Research Institute of Exploration and Development, Tarim Oilfield Company, PetroChina

Email: guopingswpi@vip.sina.com
República Popular da China, Xinjiang

Huang Zhaoting

Research Institute of Exploration and Development, Tarim Oilfield Company, PetroChina

Email: guopingswpi@vip.sina.com
República Popular da China, Xinjiang

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