According to the factors that confirm the shape of surface, it is classified into two categories： arc surface and curve surface The method to confirm the category of surfaces and the plotting methods are discussed in...According to the factors that confirm the shape of surface, it is classified into two categories： arc surface and curve surface The method to confirm the category of surfaces and the plotting methods are discussed in this paper, which provide guidance for parts plotting.展开更多
对不同渗透性天然岩芯分别以Cross-plotting法、排水实验法与声波动态法测试其Biot系数,结果表明,对于中高渗岩芯,其结果为k e a?>?>?(k?为Cross-plotting法Biot系数值,e?为排水实验法Biot系数值,a?为声波动态法Biot系数值),而低...对不同渗透性天然岩芯分别以Cross-plotting法、排水实验法与声波动态法测试其Biot系数,结果表明,对于中高渗岩芯,其结果为k e a?>?>?(k?为Cross-plotting法Biot系数值,e?为排水实验法Biot系数值,a?为声波动态法Biot系数值),而低渗岩芯则无法通过排水实验法获取Biot系数。Cross-plotting法测试结果表明,高渗岩芯Biot系数为0.90~1.00内,中渗岩芯为0.80~0.90,而低渗岩芯Biot系数为0.60~0.75。砂岩等中高渗岩芯推荐用排水实验法获得Biot系数,而低渗岩芯则推荐通过Cross-plotting法测试Biot系数。最后,讨论Biot系数的影响因素。展开更多
文摘According to the factors that confirm the shape of surface, it is classified into two categories： arc surface and curve surface The method to confirm the category of surfaces and the plotting methods are discussed in this paper, which provide guidance for parts plotting.
文摘对不同渗透性天然岩芯分别以Cross-plotting法、排水实验法与声波动态法测试其Biot系数,结果表明,对于中高渗岩芯,其结果为k e a?>?>?(k?为Cross-plotting法Biot系数值,e?为排水实验法Biot系数值,a?为声波动态法Biot系数值),而低渗岩芯则无法通过排水实验法获取Biot系数。Cross-plotting法测试结果表明,高渗岩芯Biot系数为0.90~1.00内,中渗岩芯为0.80~0.90,而低渗岩芯Biot系数为0.60~0.75。砂岩等中高渗岩芯推荐用排水实验法获得Biot系数,而低渗岩芯则推荐通过Cross-plotting法测试Biot系数。最后,讨论Biot系数的影响因素。
