该堵料长久不固化，可塑性很好，可以任意地进行封堵。
The sealing a long time does not cure, good plasticity, can block any manner.
在某些情况下，用一个球或镖进行封堵，以便将通过工具管柱的循环切断，并使得能施加释放压力。
In some cases, a ball or dart is plugged to block circulation through the tool string and enable the application of the release pressure.
这是美国海域遭遇的最大原油泄露事故。 白宫正在向英国石油施压，要求该公司利用目前的平静天气加紧进行封堵工作。
The White House is pressing BP to take advantage of the current calm weather in the Gulf and move forward with plans to contain what is the biggest oil spill ever in U.S. waters.
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