The presence of nitrogen inhibits the increase of asphaltenes in slurry oil.

封氮储存可明显抑制沥青质的增长。

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Leakage causes of slurry oil steam generator tube bundle and reconditioning technique.

循环油浆蒸汽发生器管束泄漏原因及修复。

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The slurry oil withdrawn from heavy oil catalytic cracking contains catalyst fines which should be separated.

重油催化裂化油浆中含有催化剂粉末，需加以分离。

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Washington (CNN) -- Oil giant BP and contractor Halliburton knew of potential flaws in the cement slurry used to reinforce the oil well below the Deepwater Horizon rig before it exploded in April, according to a letter Thursday from the lead investigator for a federal probe of the Gulf oil disaster.

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The letter from Fred Bartlit Jr. to the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling said that tests in February on a cement slurry similar to what was used on the Macondo well showed instability -- and that both companies had the data.

CNN: STORY HIGHLIGHTS