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  1. gtillman

    Material to use for high pressure high temperature sour gas tubing

    The application is natural gas at the wellhead. It will contain both produced water with high chlorides and condensate. After spending more time with MR0175 it looks like super duplex 2507 is acceptable and is semi available in cone and thread tubing
  2. gtillman

    Material to use for high pressure high temperature sour gas tubing

    Working on a project with 25000psi 400degF sour gas, 50ppm H2S, 5% CO2 and up to 50,000ppm chlorides. Current plan is to use annealed S316000 cone and thread tubing and valves for the instrument and control tubing lines. MR0175 table A.2 indicates the material is only acceptable up to 140degF...

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