trying to run ABRA

[Lewis Goss]

I am trying to run ABRA on depth-migrated gathers.  It runs, but the output is null.  Does anyone have a successful example job-deck?  Thank you.

[Michael]

I presume by null, you mean all dead traces?

I found a workfile from a few years ago, when I was testing processes. The input was not depth, but just some NMO-corrected gathers with a velocity trace at the start.

[Lewis Goss]

I will take it.  In my case, I am trying to compute residual moveout gamma on depth migrated traces, but I will see if I can get this flow to work first, and go from there.  Thanks again.

[Bill Menger]

Lewis,

Steve Whitney (addressed above) might be able to give you advice on Abra.  He was the primary user of "Abra", "Ka", and "Dabra" at Conoco.

Bill

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[Lewis Goss]

Dear Bill:

Thanks, Michael provided an ABRA job deck for use with time data.  I can see from his example that I had messed up a few parameters.  If Steve has something, that could be helpful as well.

I am trying to compute gamma on depth-migrated gathers, and right now I get zero. 

[Lewis Goss]

I have my data in time now, and similar parameters to the example job deck.  Beta comes out as -1e+30, and that is not correct.  You can see my job flow set-up here, and the job log from my most recent test.  Nothing is obviously wrong to me, except of course for the results.  Thanks.

[Lewis Goss]

I got it to work.  Had to edit the job deck in vi to remove extra rows from the search window definition, but it works

[Michael]

Were you unable to delete rows in the ABRA process GUI?

If so, what linux distro are you using?

[Lewis Goss]

Yes, and Ubuntu 20.04LTS Focal Fossa

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[Michael]

I tried ABRA with Ubuntu 20.04 and I could delete rows from the search function table.

However, when I ran the job, I noticed these messages as the end of the listing:

 Error: memman_del_r1(-1046880808:0-0-) variable has not been previously nullified by memman
 Error: memman_nul_r1(-1046880808:-1047145360-8-) variable has associated data, possible memory leak
 Error: memman_del_r1(-1046880744:0-0-) variable has not been previously nullified by memman
 Error: memman_nul_r1(-1046880744:-1047247696-8-) variable has associated data, possible memory leak
 Error: memman_del_r1(-1046880680:0-0-) variable has not been previously nullified by memman
 Error: memman_nul_r1(-1046880680:-1047145328-8-) variable has associated data, possible memory leak

These didn't appear when run in another linux distro, so it seems something is still corrupted in Ubuntu 20.04 build.

I used Kubuntu with gcc 9.3, openmpi 2.1.6 and Oracle java 8u221