Ultra-Seal Plus, Ultra Seal TG Mungo Field-Aberdeen, N. Sea

Well Information

Mungo Field-Aberdeen, N. Sea
WBM

Challenge

A request by the operator to omit the mud weight, csg and open hole depth for
this scenario has been respected—-A 50 bbl Poly Plug pill was spotted and
POOH across the suspect theft zone—The squeeze noted a stable pressure but
began to declined by 300 psi—the squeeze was ceased and a stable pressure
noted while holding the squeeze—The Poly Plug pill was held in place for 6 hours
and the operator was able to circ. and continue drilling with not problems— The
Ultra Seal XP was added to the system while drlg. And sweeps of Ultra Seal Plus
were periodically mixed