Investigation: Cutting Transport Mechanism in Inclined Well Section under Pulsed Drilling Fluid Action

Due to gravity, drilling cuttings are easily accumulated in an inclined well section, ultimately forming a cuttings bed, which places the drill pipe under strong friction torque. In severe cases, this can cause dragging, stuck drills, and broken drill tools. Because conventional drilling fluids are...

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Bibliographic Details
Main Authors: Xiaohua Zhu, Keyu Shen, Bo Li
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/14/8/2141