Prediction and evaluation of sanding and casing deformation in a GOM-shelf well

Ion Ispas, Alan R. Bray, Ian D. Palmer, Nigel G. Higgs

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Sand production is an important well-completion issue affecting well economics and, possibly, casing stability. This study compares predictions of sanding and casing deformation for a well in the U.S. Gulf of Mexico (GOM) shelf prepared before completion of the well with the results of a post-sanding event for this well. The sanding event was predicted adequately considering the uncertainty of the data entered into the model. The casing deformation monitored by the post-sanding survey also was consistent with the prediction of helical buckling caused by depletion of fluids only when cavities of vertical extent greater than 7 ft exist (e.g., because of sand production) around the wellbore. This study supports the use of these predictive methods in well-completion design.

Original languageEnglish
Pages (from-to)75-77+88
JournalJPT, Journal of Petroleum Technology
Issue number2
StatePublished - Feb 2005


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