A completion configuration in which a production casing string is set across the reservoir interval and perforated to allow communication between the formation and wellbore.
一种完井结构，其中的生产套管柱下过储层层段并经射孔，以便在地层与井筒之间能够连通。
2
The configuration and principle of anti rotary plug and necessary float collars and their applications in intermediate casing cementing are introduced.
介绍了防转胶塞及配套浮箍的结构、原理和在技术套管固井中的应用情况。
3
The outer casing superior surface, forms the configuration of the suction inlet, are inclined to the downwards.