The oil layers of four open hole Wells drilled in 2004 occurred serious collapse to result in downhole plugging and oil well fail when oil well put into production.

2004年新钻的4口裸眼完成井，投产时出现了油层严重垮塌，井下堵塞，油井报废。

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Because screen hole by plugging, filtration speed gradually decreasing.

由于筛孔逐渐受堵，过滤速度呈降低趋势。

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A quick and effective method is presented for plugging the hole of the catchment pit in the article.

本文给出集水坑的一种更为快速、有效的堵漏方法。

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Plugging the hole could be "astronomically expensive, " says Edmund F.

FORBES: Magazine Article

"They fell in a hole early and they just kept plugging and plugging, " he said.

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