程序可以根据测井曲线数组，在cad中自定绘制测井曲线回放图，主要体现了vb对cad二次开发绘图的应用，支持cad2007-2008.-The program according to the array of well logs in the cad in custom draw well logs playback diagram, mainly vb secondary development drawing on cad support cad2007-2008.

sERIAL COMPORT using vb.net with visual Studio 2008. It s the sample code for working a basic language-sERIAL COMPORT using vb.net with visual Studio 2008. It s the sample code for working a basic language

APIspec11D1-第3版封隔器和桥塞 ANSI/API SPEC 11D1 第3版，2015年4月 2015年10月9日实施 ISO14310:2008（修订）， 石油天然气工业-井下工具-封隔器和桥塞(APIspec11D1-third edtion)