×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Contact US

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Oil PPM in GOSP

Oil PPM in GOSP

Oil PPM in GOSP

(OP)
Is there any guideline or general observation by experience Operation Guys about what is the expected oil ppm in the water drain from 3-phase separators.

It is well understood that the oil ppm in water will depend on operation pressure of the separator & temp & chemical dozing etc.

For 3 stage separators operating at 80 psig & 30 psig, 500 ppm & 300 ppm respectively of oil in the drain water from these two separation stage is with in normal range? ( Process Design Data for these vessels is not traceable now after 40 years of installation)

Any comments will be appriciated

RE: Oil PPM in GOSP

A lot depends on emulsion forming tendency of the light phase, which in turn is influenced by the presence of corrosion inhibitors and other chemicals, temperature and some other factors. The values you quote are typical of well behaved 3 phase seps in gas-condensate service. In crude oil service, it could go up to 1000ppmv and more.

RE: Oil PPM in GOSP

The other factor is that a separator is designed for some level of three phase mix and flow which rarely is then experienced in the field. So its preformance varies as it gets more or less water as a percent or more water than it was designed for.

Some separators have movable weirs to allow for this, but most are fixed in place.

But agree with George, that's not bad for a first stage separator. This sounds like a wet gas system?

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

RE: Oil PPM in GOSP

(OP)
@LittleInch & @ George
Thanks for reply and yes it is first stage separator handling fluid (oil, water & gas ) from wellhead.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login



News


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close