RESEARCH ARTICLE


Research on Gas-liquid Mixed Transportation Technological Adaptability: A Case Study of the Western Sichuan Gas Field



Qingsha Zhou1, *, Kun Huang1, Yongchun Zhou2
1 School of Oil and Natural Gas Engineering, Southwest Petroleum University, Sichuan 610500, P.R. China
2 SINOPEC Southwest Oil and Gas Field Company, Sichuan 610500, P.R. China


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© 2017 Zhou et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the School of Oil and Natural Gas Engineering, Southwest Petroleum University, Sichuan 610500, P.R. China; Tel: 86+15881025157; E-mail: 502700395@qq.com


Abstract

Background:

The western Sichuan gas field belongs to the low-permeability, tight gas reservoirs, which are characterized by rapid decline in initial production of single-well production, short periods of stable production, and long periods of late-stage, low-pressure, low-yield production.

Objective:

It is necessary to continue pursuing the optimization of transportation processes.

Method:

This paper describes research on mixed transportation based on simplified measurements with liquid-based technology and the simulation of multiphase processes using the PIPEPHASE multiphase flow simulation software to determine boundary values for the liquid carrying process.

Conclusion:

The simulation produced several different recommendations for the production and maximum multiphase distance along with difference in elevation. Field tests were then conducted to determine the suitability of mixed transportation in western Sichuan, so as to ensure smooth progress with fluid metering, optimize the gathering process in order to achieve stable and efficient gas production, and improve the economic benefits of gas field development.

Keywords: Gas-liquid mixed transportation, Adaptability, PIPEPHASE, Case study, Gas field.