sweet shift 和sour shift区别是什么? 您谈到的调节h2, co比例的工艺可能涉及到的不是sour crude或者sweat crude， 而是sour gas和sweat gas. 和echo老师讲的sour crude一样，sour gas指的是高硫石油气，通常是气体本身或者和水结合在一起是含酸性的。常常石油油气中有两种酸性气体，h2s和co2。 “a general term for those gases that are acidic either alone or when associated with water. two sour gases associated with oil and gas drilling and production are hydrogen sulfide, h2s, and carbon dioxide, co2. sulfur oxides and nitrogen oxides, generated by oxidation of certain sulfur- or nitrogen-bearing materials, are also in this category but not found in the anaerobic conditions of the subsurface. nace international specification mr0175 技术规范对“sour” 油气环境的定义是 "fluids containing water and hydrogen sulphide (h2s) that is at a total pressure of 0.4mpa (65psia) or greater, and if the partial pressure of hydrogen sulphide in the gas is greater than 0.0003mpa (0.05psia)". 不含h2s或者h2s分压低于上述值的石油气我们叫“sweat gas”。查看更多
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