Characteristics of a non-circulating transient flow during gas invasion in the underbalanced drilling process
The wellbore flow in a liquid-based underbalanced drilling process consists of a steady multiphase flow during normal drilling and a transient gas-liquid flow without mud-cycling. The theory of steady multiphase flow has been used to calculate the pressure profile of normal drilling. The...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
VINCA Institute of Nuclear Sciences
2019-01-01
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Series: | Thermal Science |
Subjects: | |
Online Access: | http://www.doiserbia.nb.rs/img/doi/0354-9836/2019/0354-98361904257W.pdf |