Posted by: Ahmad
how to properly model casing string? - 12/18/05 08:46 PM
Dear all,
Sometimes i get to model wellheads. I usually model it as a piping that carries the same size and schedule similar to the master vavle. But drilling has been requesting that we should check properly the stress resulting at the exposed part of the casing and make sure that it doesn't surpass a limit that they personally specify, which forces me to properly specify the exposed casing parameters correctly.
But i believe CII doesn't have database of casings that would allow us to only enter the OD and the poundage of the casing string (i.e. 7-5/8" casing @ 29.7lb). Is my impression correct? If that is true then i would suggest that CII developers include the database of casing strings in their future revisions.
Sometimes i get to model wellheads. I usually model it as a piping that carries the same size and schedule similar to the master vavle. But drilling has been requesting that we should check properly the stress resulting at the exposed part of the casing and make sure that it doesn't surpass a limit that they personally specify, which forces me to properly specify the exposed casing parameters correctly.
But i believe CII doesn't have database of casings that would allow us to only enter the OD and the poundage of the casing string (i.e. 7-5/8" casing @ 29.7lb). Is my impression correct? If that is true then i would suggest that CII developers include the database of casing strings in their future revisions.