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地层条件下流体驱排时岩石波速和电阻率的实验研究
石油物探
2000年 39卷 第No. 1期
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Title
Rock wave velocity and resistivity in fluid flooding process under stratal condition
单位
新疆石油局地调处研究所,乌鲁木齐830011
Organization
Research Institute, Geologic Survey Division, Xinjiang Petroleum Bureau, Urumqi 830011
摘要
在实验室条件下利用实验区钻井取心岩样,模拟地下真实温压环境。在高温70℃、高压62MPa时对岩心进行水驱油、气驱油和气驱水的研究,同时测量不同油水饱和度岩样的纵波速度、横波速度和电阻率,得出了地层状态下流体驱排过程中岩石的波速和电阻率之间的变化规律,以及二者之间的相互关系。
Abstract
A research on water flooding oil, gas flooding oil, and gas flooding water was conducted for drilling core in experiment area by simulating subsurface temperature and pressure surrounding of 70℃ and 62MPa. Meanwhile, compressional wave velocity, shear wave velocity, and resistivity of rock specimen were measured at different oil and water saturation. Thus the variation law of the relation between rock wave velocity and resistivity in fluid flooding process was derived under the stratal condition.
Keywords:
temperature;
pressure;
resistivity;
compressional and shear velocity;
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