The two most common forms are the production or test packer and the inflatablepacker.
封隔器两种最常见的形式是生产封隔器或者测试封隔器和膨胀式封隔器。
2
A type of packer that USES an inflatable bladder to expand the packer element against the casing or wellbore.
利用可膨胀胶囊使封隔器密封元件紧靠套管或井筒的一种封隔器。
3
The packer and telescopic tube are designed to a whole body and V-shaped inflatable graphite sealing ring is used to form the sealing system, ensuring the sealing performance of.