Water Injection Pipelines 2

[Joss10]

Dear mates,
WI Pipelines are not included in the Scope of ASME B31.4, if my statement is right, what's the fabrication code to be applied.
Thanks in advance.

 

[BigInch]

There is no reason why .4 could not, just that it usually isn't required to do so with water pipelines. Other codes normally apply to water -distribution, typically AWWA practices, but those might not reach the pressures you need for injection.
B31.3 might be the option, if you don't want to use 4. We've got some on the bid list. I'll check tomorrow what they're using there.

Independent events are seldomly independent.

 

[zdas04]

For produced water from gas wells I use ASME B31.8 on the basis that there is going to be some amount of gas in the line all the way through to water injection. It is a tiny bit lame, but I've always found it to be defensible. If your field is Oil, then you could apply the same logic and use B31.4.

David Simpson, PE
MuleShoe Engineering

"Belief" is the acceptance of an hypotheses in the absence of data.
"Prejudice" is having an opinion not supported by the preponderance of the data.
"Knowledge" is only found through the accumulation and analysis of data.
The plural of anecdote is not "data"

 

[LittleInch]

Why do you say water is not included? 31.4 is for liquid pipelines. Water is a liquid.

Please identify the para and item and then we can have a debate, a blithe statement doesn't work for me.

If you don't want to use 31.4, you could use ISO 13628 or PD 8010, which cover all fluids.

Big bro is right, you could use 31.3, but if you have long lengths you really want to use a pipeline code to save on wall thickness.

Although it is widely abused, neither 31.4 or 31.8 cover multi phase fluids or pipework from a wellhead to a separation planet - read the scope section. You are supposed to use API codes, but in practice no one does.

I would certainly use 31.4 for a water injection system.

My motto: Learn something new every day

Also: There's usually a good reason why everyone does it that way

 

[BigInch]

B31.4 "Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids"

We're proposing Carbon Steel water injection pipelines designed to B31.4



Independent events are seldomly independent.

 

[Joss10]

It's more clear now to use B31.4 for WI systems, spite of are not clearly mentioned in its scope.
Thanks for all inputs.

 

[Alph]

Plastic lined carbon steel pipelines for water injection service are in common use in the North Sea, design PD8010.