As muddy sediments are pressed together, the gas and small droplets of oil may be squeezed out of the mud and may move into sandy layers nearby.

当泥质沉积物被挤压在一起时，气体和小油滴可能会从泥浆中被挤出，并进入附近的沙层。

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This "top" is meant to get enough mud into the well to stop the flow of oil (see illustration below).

这次“封顶”是是往井内灌入大量泥浆，堵住原油的涌出(见下面的图解)。

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This "top kill" was meant to get enough mud into the pipes to seal the well and stop the flow of oil.

这种“灭顶法”是一种为了封闭油井，阻止油漏而将足够的重液打入管道的方法。

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Over the years, the group has made stoves using mud,bricks,sheet metal,clay, ceramics and old oil drums.

VOA: special.2010.02.01

The first trap shows no signs of oil, only mud stirred up by recent storms.

VOA: standard.2010.05.06

But the minute they stopped pumping the mud, the oil came back up.

WHITEHOUSE: Daily Press Briefing

Right now, the company says, it has removed that mud from the hole, but it believes that barite from the oil-based mud has blocked the flow.

FORBES: Updated 11:30 Central.

And in some regions, cottonseed hulls are processed into oil-drilling mud, a sticky, industrial-strength type of Play-Doh that is used to plug leaks in oil wells.

NPR: Texas Cotton: 'Farmer Profits at Every Step'