BP officials say the static kill is the first step in a two-part operation that involves filling the well pipe with cement to block the release of oil and natural gas.

石油公司BP负责人说，静态封杀是一项两期工程的第一步，工程将包括在油井管道中注入水泥，封堵原油和天然气的泄漏。

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This is what this data is supposed to monitor, but the well flow evidence would appear to have been ignored, because at this point the BP rig supervisors should have gone to a well kill operation and started to pump heavy mud back into the well bore to restore the primary control mechanism.

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

To what degree is the structure and the integrity of the well -- how can that -- can that sustain either assisting with a kill operation as it relates to the relief well, or can you try a separate kill operation using this cap and this blowout preventer?

WHITEHOUSE: Press Briefing

Allen said scientists planned to conduct some pressure tests that they had been unable to perform before last week's "static kill" operation cemented the center of the well from above.

CNN: STORY HIGHLIGHTS