Critical Fluid Velocities for Removing Cuttings Bed Inside Horizontal and Deviated Wells

Date

2010-01-01

Author

Ozbayoglu, M. E.
Saasen, A.
Sorgun, M.
Svanes, K.

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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This study aims to estimate the critical fluid flow velocity for preventing the development of a stationary bed using empirical correlations valid for horizontal and highly inclined wellbores that can be easily used at the field. For this purpose, experiments have been conducted at METU-PETE Cuttings Transport Flow Loop for various conditions. Observations showed that a stationary bed is developed when the fuid velocity is less than 6.0 ft/s, and a critical fluid velocity of 8.0 ft/s is required to establish a no-bed condition. Results showed that the critical velocity and the thickness of the stationary bed, if developed, could be estimated with a reasonable accuracy.

Subject Keywords

Critical velocity, Cuttings, Cuttings bed, Deviated, Directional, Drilling, Hole cleaning, Horizontal, Inclined, Transport

URI

https://hdl.handle.net/11511/67706

Collections

Department of Petroleum and Natural Gas Engineering, Article