Numerical Analysis of Heavy Oil-Water Flow and Leak Detection in Vertical Pipeline

• 作者: Antonio Gilson Barbosa de Lima Cristiane Holanda Sodré Jo?o Victor Nunes de Sousa Severino Rodrigues de Farias Neto
• 来源期刊: 化学工程与科学期刊(英文)
• 学科: 医学
• 关键词: HEAVY Oil MULTIPHASE Flow LEAKAGE NUMERICAL Simulation
• 年，卷（期）: 2013,（1）
• 页码范围: 9-15
• 页数: 7页
• 分类号: R73

摘要

Pipeline is a conventional, efficient and economic way for oil transportations. The use of a good system for detecting and locating leaks in pipeline contribute significantly to operational safety and cost saving in petroleum industry. This paper aims to study the heavy oil-water flow in vertical ducts including leakage. A transient numerical analysis, using the ANSYS-CFX? 11.0 commercial software is performed. The mathematical modeling considers the effect of drag and gravitational forces between the phases and turbulent flow. Mass flow rate of the phases in the leaking orifice, the pressure drop as a function of the time and the velocity distributions are presented and discussed. We can conclude that volumetric fraction of phases and fluid mixture velocity affect pressure drop and mass flow rate at the leak hole.