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

本文根裂缝的漏失特性,建立了裂缝漏失规律的数学模型,并导了各种流体在裂缝中的流动规律。

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.

礁灰岩漏失层是一类结,并含有大量孔洞和气体的特殊层,常常是严重井漏与天然气的井喷井涌并存。