According to the properties of lost circulation in the creviced formation, this paper presented a mathematical model of the lost circulation law.

本文根据地下裂特性,建立了地下裂规律数学模型,并导了各种体在裂中规律。

Biolithite loss zone is a kind of special reservoirs where rock structure is frailish and lot of pore spaces and gas exist, while severe circulation loss and well blowout and well kick occur.

礁灰岩地层是一类结构脆弱,并含有大量孔洞和气体特殊地层,常常是严重井与天然气井喷井涌并存。