Poly Plug Africa

Well Information

Operator: BP
Location: Algeria, North Africa


While drilling ahead at 6,230’ total loss returns occurred. Five other cement plugs had been pumped without success. Over 2,500 bbls of drilling fluid had been lost.


Poly Plug®

100 bbls of Poly Plug® was mixed in the slug tank and weighted up to 10 ppg. The pill was spotted through the bit with no returns.


Five hours after the Poly Plug pill was spotted, circulation was re-established and drilling commenced without further incident. The drilling fluid was weighted up to 10.5 ppg without any further losses.