It is loss circulation, stop drilling, circulation.

发生井漏，停止钻进，循环观察。

youdao

Also not include the consumption for complex circumstance, such as blow-out, loss circulation etc.

也不包括井喷、井漏等复杂情况的材料消耗。

youdao

In the exploitation process of Tahe oilfield, the phenomena of "blowout following loss circulation" appear for some oil Wells during work-over job.

前言：在塔河油田开发生产过程中，个别油井在修井作业中出现先漏后喷的现象。

youdao

It's hard to imagine a publication surviving a 32% circulation loss in three years, but the Times-Picayune, owned by privately held Advance Publications, has done just that.

FORBES: Magazine Article

The firm circulation figures of Ochs's New York Times enabled it to ride out the Great Depression despite a loss of advertising.

ECONOMIST: Media mogul