Digital oilfield is the main means to increase production and income. Developing ultra-short radius sidetracking horizontal wells in old requires high-performance well trajectory control. In this paper, flexible drill pipe designed by bionics principle, logging tool monitor borehole real time using gamma ray technology. The combination of can realize remaining oil recovery between dense pattern...

The environment is the shelter and main teacher for man, since his birth he lived in natural environment, however, began to search or housing. With development progress of world, increasing number people, emergence buildings, this led a decrease human contact with nature. And man suffer from physical psychological illnesses. pollution as result misuse environment. Therefore, intellectual trends...