The resultant mixed mud is then circulated back into the surface mud system.

最终混合好的泥浆循环返回到地面泥浆系统中去。

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A hydrocyclone device that removes large drill solids from the whole mud system.

一种从整个泥浆系统中除去大钻屑的水力旋流装置。

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Drainage and mud system on underground are important safety production facilities in metal mine.

金属矿山井下排水排泥系统是重要的安全生产设施。

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Thus the industry has for decades relied on a dense mud system to keep the hydrocarbons in the reservoir and everything that is done to maintain wellbore integrity is tested, and where a wellbore integrity test fails, remedial action is taken.

WSJ: The Oil Disaster Is About Human, Not System, Failure

At 8:20 p.m. on the day of the explosion the pressure data suggest there was a constant flow of sea water being pumped into the drill pipe that was displacing the heavier mud system which was the primary pressure control for the well.

WSJ: The Oil Disaster Is About Human, Not System, Failure

When the oil and gas reached the rig, they were diverted not overboard, as might have been wiser, but to a system called the mud-gas separator which spewed gas back onto the rig.

ECONOMIST: BP casts the blame for the Gulf oil spill widely