Cementing failures are "not uncommon" and the oil industry has developed tests to identify and remedy deficient cement jobs, the report said.

报告称，水泥缺陷“并非个别现象”，而原油行业已经推出了有缺陷的水泥的鉴定测试和补救方案。

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None of the tests found the cement to be stable.

没有一次测试表明水泥是稳定的。

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Based on indoor tests, the physical properties, stress-strain relationship, intensity behaviors and compressibility of the modified soil with cement are studied in the paper.

通过室内试验，对水泥改良土的物理性质、应力-应变关系、强度特性、压缩特性进行了研究。

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"Halliburton has stated publicly that it tested the Macondo cement before pumping it on April 19th and 20th, and that its tests indicated the cement would be stable, " Bartlit's letter said.

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Many drillers already run cement logs and do pressure tests and store flowback water safely.

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As part of the investigation, the letter said, Chevron conducted independent tests of similar cement slurry materials supplied by Halliburton and found the mix to be unstable.

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