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Join Date: Jan 2015
Location: Kerala, India
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Selecting Material for Slug Catcher Piping

02/16/2015 7:43 PM

I am now working on a slug catcher piping, below are the conditions.

Top connection (sour gas):

H2S= 3 mol %, CO2= 6 mol % , Op. pressure: 620 psi

Bottom connection (Sour water)

H2S= 0.16%

CO2=0.1%

Now I am looking for a proper material for the bottom connection (sour water). Shall I consider the equilibrium gas condition (same condition of top sour gas connection) with the addition of dissolved chlorides for selecting the material?

The applicable standard is MR0175 as per requirements.

Please suggest.

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Guru

Join Date: Oct 2008
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#1

Re: Selecting Material for Slug Catcher Piping

02/16/2015 11:33 PM

I suggest consulting with your piping supplier or the people within your company who purchase piping.

Then asking your customer for help.

MR0175 provides relief from its requirements if not appropriate.

Work with your customer, and your suppliers.

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Guru
Engineering Fields - Electrical Engineering - Been there, done that. Engineering Fields - Control Engineering - New Member

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#2

Re: Selecting Material for Slug Catcher Piping

02/17/2015 9:31 AM

I catch slugs easily with just a saucer and some cheap beer. I won't use my good stuff.

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Guru

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#3

Re: Selecting Material for Slug Catcher Piping

02/18/2015 1:31 AM

WWW.NACE.ORG

Worthwhile checking with these guys.

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Guru

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#4

Re: Selecting Material for Slug Catcher Piping

02/18/2015 12:58 PM

What worries me is that there should be an established piping standard within the company that will operate this thing, and that you either haven't looked for it or have chosen to ignore it. Which one is it, please?

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