Simulation Analysis of the Annular Liquid Disturbance Induced by Gas Leakage from String Seals During Annular Pressure Relief

Simulation Analysis of the Annular Liquid Disturbance Induced by Gas Leakage from String Seals During Annular Pressure Relief

Due to the failure of string seals, gas can leak and result in the abnormal annulus pressure in gas wells, so it is necessary to relieve the pressure in gas wells. In the process of pressure relief, the leaked gas enters the annulus, causes a the great disturbance to the annulus flow field, and thus...

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Bibliographic Details
Main Authors: Qiang Du, Ruikang Ke, Xiangwei Bai, Cheng Du, Zhaoqian Luo, Yao Huang, Lang Du, Senqi Pei, Dezhi Zeng
Format: Article
Language:English
Published: MDPI AG 2024-11-01
Series:Modelling
Subjects:
gas well leakage
water–air two-phase flow
leakage flow field
annular protection fluid
numerical simulation
Online Access:https://www.mdpi.com/2673-3951/5/4/87
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