通過(guò)多孔介質(zhì)中泡沫驅(qū)油的滲流數(shù)學(xué)模型,編制泡沫驅(qū)數(shù)值模擬軟件。該軟件可以反映泡沫滲流時(shí)涉及的生成、破滅及運(yùn)移機(jī)制。以埕東油田西區(qū)泡沫驅(qū)油先導(dǎo)實(shí)驗(yàn)區(qū)為原型,分析數(shù)值模擬模型各網(wǎng)格泡沫生成速度、自然破滅速度和遇油破滅速度分布與影響因素的統(tǒng)計(jì)規(guī)律。結(jié)果表明,泡沫生成速度隨平均滲透率、含氣飽和度、氣相中泡沫摩爾分?jǐn)?shù)的增大而增大,隨含油飽和度的增大而減小;泡沫自然破滅速度隨平均滲透率、含氣飽和度、含油飽和度和氣相中泡沫摩爾分?jǐn)?shù)的增大而增大;泡沫遇油破滅速度隨含油飽和度、氣相中泡沫摩爾分?jǐn)?shù)的增大而增大。

[1]  Kharabaf H, Yortsos Y C. A pore-network model for foam formation and propagation in porous media[J]. SPE Journal, 1998, 3(1): 42-53.

[2]  Alvarez J M. Foam flow behavior in porous media: Effects of flow regime and porous media heterogeneity[D]. Austin: The University of Texas at Austin, 1998.

[3]  錢(qián)昱, 張思富, 吳軍政, 等. 泡沫復(fù)合驅(qū)泡沫穩(wěn)定性及影響因素研究[J]. 大慶石油地質(zhì)與開(kāi)發(fā), 2001, 20(2): 33-35. Qian Yu, Zhang Sifu, Wu Junzheng, et al. Foam stability and effecting factors of foam combination flooding[J]. Petroleum Geology & Oilfield Development in Daqing, 2001, 20(2): 33-35.

[4]  李雪松, 王軍志, 王曦. 多孔介質(zhì)中泡沫驅(qū)油微觀機(jī)理研究[J]. 石油鉆探技術(shù), 2009, 37(5): 109-113. Li Xuesong, Wang Junzhi, Wang Xi. Studies of microcosmic foam driving mechanism in porous medium[J]. Petroleum Drilling Techniques, 2009, 37(5): 109-113.

[5]  張廣卿, 劉偉, 李敬, 等. 泡沫封堵能力影響因素實(shí)驗(yàn)研究[J]. 油氣地質(zhì)與采收率, 2012, 19(2): 44-46. Zhang Guangqing, Liu Wei, Li Jing, et al. Experimental study on the factors influencing the blocking ability of foam[J]. Petroleum Geology and Recovery Efficiency, 2012, 19(2): 44-46.

[6]  Mast, R F. Microscopic behavior of foam in porous media[C]. Fall Meeting of the Society of Petroleum Engineers of AIME, San Antonio, Texas, October 8-11, 1972: SPE-3997-MS.

[7]  Owete O S, Brigham W E. Flow behavior of foam: A porous micromodel study[J]. SPE Reservoir Engineering, 1987, 2(3): 315-323.

[8]  Shen C, Nguyen Q, Huh C, et al. Does polymer stabilize foam in porous media?[C]. SPE/DOE Symposium on Improved Oil Recovery, Tulsa, OK, April 22-26, 2006: SPE 99796-MS.

[9]  杜慶軍, 侯健, 李振泉, 等. 聚合物強(qiáng)化泡沫驅(qū)數(shù)學(xué)模型及其應(yīng)用[J]. 計(jì)算物理, 2009, 26(6): 872-878. Du Qingjun, Hou Jian, Li Zhenquan, et al. A mathematical model of polymer enhanced foam flooding[J]. Chinese Journal of Computational Physics, 2009, 26(6): 872-878.

[10]  陸先亮, 陳輝, 欒志安, 等. 氮?dú)馀菽瓱崴?qū)油機(jī)理及實(shí)驗(yàn)研究[J]. 西安石油大學(xué)學(xué)報(bào): 自然科學(xué)版, 2003, 18(4): 49-52. Lu Xianliang, Chen Hui, Luan Zhian, et al. Study on the mechanism of nitrogen hot-water flooding[J]. Journal of Xi′an Shiyou University: Natural Science Edition, 2003, 18(4): 49-52.