Kev taw qhia: Pab hauv kev coj cov casing los ntawm lub qhov dej.
Durability: Ua los ntawm cov ntaub ntawv muaj zog kom tiv taus cov xwm txheej hnyav.
Drillable: Yooj yim tshem tau tom qab cementing ntawm drilling.
Flow Cheeb Tsam: Tso cai rau kev ua tiav ntawm cov cement slurry.
Backpressure Valve: Tiv thaiv cov kua dej rov qab mus rau hauv lub casing.
Kev sib txuas: Yooj yim txuas rau txoj hlua casing.
Rounded Nose: Navigates los ntawm qhov chaw nruj zoo.