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Keywords: surge/swab pressure
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Proceedings Papers

Proc. ASME. OMAE2021, Volume 10: Petroleum Technology, V010T11A072, June 21–30, 2021
Paper No: OMAE2021-62621
... Abstract Accurate prediction of downhole pressure differential (surge/swab pressure gradient) in the eccentric annulus of ultra-deep wells during tripping operation is a necessity to optimize well geometry, reduction of drilling anomalies, and prevention of hazardous drilling accidents...