Currently, shielded temporary blocking technique is widely used in Tu Ha oil field, that is, to add various filling grains in the drilling fluid so as to form a temporary blocking zone or a ...

• 目前吐哈油田在钻井过程中广泛使用屏蔽式暂堵技术，即在钻井液中加入各种充填颗粒，在近井壁带形成一个防止滤液侵入的暂堵带或屏蔽环，从而达到保护储层的目的。