The paper develops embrasure plugging a-gent(FD-2) with high strength according to the present problem that cement plugs embrasure.

针对目前水泥浆封堵炮眼存在的问题，研制开发了不留塞高强度炮眼封堵剂FD-2。

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Through practice, the results show that its property surpass regular cement system, and can improve cementing quality and the period of validity of cement sheath plugging.

实践证明它优于常规水泥体系，可提高固井质量和水泥环封隔有效期。

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The composition and technology of the PAM -cement -mud fast plugging fluid are also given.

讨论了PAM—水泥—泥浆速效堵漏浆液的组成与工艺。

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The commission's 13 key points focused on tests done to check the cement used in the well, decisions made by BP when plugging the well and the actions of those at the company in the hours before the disaster aboard the Deepwater Horizon rig.

BBC: Oil spill: BP 'did not sacrifice safety to save money'