The LF refining process of oil casing steel at some steel work was investigated.

对国内某钢厂生产石油套管钢的LF精炼工艺进行了研究。

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The control problem of the instantaneous temperature field on Large-scale casing steel can be reduced to above problem.

大型铸钢件中瞬时温度场的控制问题便可归结为上述问题。

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The test adopts test piece as the same at oil field. The article analyzes the corrosion rate and the corrosion form of P110 casing steel in corrosion fluid in two temp situations.

试验采用与现场相同的腐蚀试件，具体分析了两种温度状态下P110套管钢在饱和盐水中的腐蚀速度和腐蚀形态。

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The brines in the formation and other corrosive elements will attack the casing steel.

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The Cabot G10 was and still is very basic: stainless-steel casing with a black face and luminous numbers.

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"They typically had a steel casing, copper for conducting power down them and optical fibres for collecting data, " he said.

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