1999
DOI: 10.2118/99-12-01
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An Advanced Elasto-plastic Model For Borehole Stability Analysis of Horizontal Wells In Unconsolidated Formation

Abstract: Borehole stability problems can dramatically increase the cost of drilling and completing wells. For example, sand failure and production may leadto costly well shut-in and workover, as well as equipment failure. Wellbore instability is particularly important when operating in deep unconsolidated formations or when horizontal wells are planned. Also, stability requirements increase when drilling into producing formations. Drilling problems such as stuck drillstring, caving, logging difficulties, well enlargeme… Show more

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Cited by 8 publications
(1 citation statement)
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“…However, the application of these models is restricted in petroleum applications due to the assumptions made to find the solution. Later on, Fung et al proposed an advanced elastoplastic model for borehole stability analysis in unconsolidated formation without considering the pore pressure distribution and the possible occurrence of compaction localization regions.…”
Section: Introductionmentioning
confidence: 99%
“…However, the application of these models is restricted in petroleum applications due to the assumptions made to find the solution. Later on, Fung et al proposed an advanced elastoplastic model for borehole stability analysis in unconsolidated formation without considering the pore pressure distribution and the possible occurrence of compaction localization regions.…”
Section: Introductionmentioning
confidence: 99%