[Opm] Opm Digest, Vol 34, Issue 2

David Baxendale (Private) david.baxendale at gmail.com
Sun Oct 7 03:50:47 UTC 2018


Manoel,

Jaokim's suggestion will fix the keyword issue but it may not fix the 
numerical problems if they still exit.

If the deck still does not run then use the MULTREGP keyword to set all 
the different PVT regions inactive except one, something like this

-- 
--       RESET PORE VOLUME FOR DIFFERENT REGIONS
-- 
--       REGION    PORV          REGION ARRAY
--       NUMBER    MULT          M / F / O
MULTREGP
          1         1.0           M             /
          2         0.0           M             /
          3         0.0           M             /
          4         0.0           M             /
/
If this  does not run then the problem lies some where else. In most 
cases numerical issues are associated with the input data so check that 
the pressures at the GOC's (as per the EQUIL keyword) are consistent 
with the saturation pressure in the PVT data sets.

Note in the up and coming 2018-10 release I think the PBVD keyword is 
active so you can use the and PVT data set and the PBVD  keyword to set 
the saturation pressure with depth. The 2018-10 release is expected to 
be available sometime this month.

ThunderBird Signature File

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On 06-Oct-18 20:00, opm-request at opm-project.org wrote:
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> Today's Topics:
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>     1. MULTREGT issues (Joakim Hove)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 5 Oct 2018 19:18:57 +0200
> From: Joakim Hove <joakim.hove at gmail.com>
> To: opm at opm-project.org
> Subject: [Opm] MULTREGT issues
> Message-ID:
> 	<CALKD1M9hj8eoKg8_Z0FYhEkL+CRwSMJa9ZzifT8Knk2eUfdAug at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hello Manoel;
>
> of course the error message should have had more details - it seem very
> clear when you are writing the code itself; but of course totally opaque to
> a user. I guess there is something to be learned from that.
>
> Anyway the source of the error is your MULTREGT keyword where you have
> defaulted the region value for both src region and the target region; that
> is not supported (in version 2018.04 - which I assume you are using). So
> you could expand the MULTREGT keyword manually like this:
>
> MULTREGT
> 1  2 0 /
> 1  3 0 /
> 1  4 0 /
> ...
> 2 1 0 /
> 2 3 0 /
> 2 4 0 /
> ...
> /
>
> for all region pairs in your model - that should work. Howver - the
> limitation you have encountered has been fixed recently, so either you can
> wait for the next release - 2018.10 - which should be out quite soon (i.e.
> strictly less than two weeks), or if you are into that kind of sport you
> compile your own flow executable: it is good for you - just like broccoli!
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