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Penetration Range of Leakage Oil Simulation Affected by The Rain
Author of the article:MaYue,WangYue,SongShixiang,ZhangGuojun,SunXianhang
Author's Workplace:College of Petroleum Engineering ,Liaoning Shihua University
Key Words:oil; water distribution; spread range; penetration; simulation; leakage; washed
Abstract:Analysis of leakage oil under pipeline in the different moisture soil was simulated. Three-dimensional flow coupling model of oil two-phase flowing in soil porous media was established with the help of CFD software . The results of simulation show that the penetration range underground is affected obviously by the moisture distribution. Oil in the underground soil spread to the surrounding area to tumbler-shaped penetration before raining; Leakage of oil under the soil is washed to the surrounding area in a very irregular shape in raining; Oil spread to the surrounding area in flask-shaped after raining. In three conditions of the rain, when diffusion rate is stable, the leakage range and surface diffusion area is the smallest after raining; The leakage range is the broadest in raining, and its growth rate is faster about 3% than before raining; The surface diffusion area is the most wide before raining , and its growth rate is faster about 2% than in raining.
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