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research-article

The Experimental and Model Study on Variable Mass Flow for Horizontal Wells with Perforated Completion

[+] Author and Article Information
Jian-Guang Wei

Northeast Petroleum University, Daqing City of Heilongjiang Province
weijianguang@163.com

Xue-song Lin

Northeast Petroleum University, Daqing City of Heilongjiang Province
l942614141@yeah.net

Xue-Mei Liu

Northeast Petroleum University, Daqing City of Heilongjiang Province
lxmdqsy@163.com

Yuan-Yuan Ma

Northeast Petroleum University, Daqing City of Heilongjiang Province
mayuanyuan1991@aliyun.com

1Corresponding author.

ASME doi:10.1115/1.4037026 History: Received June 06, 2016; Revised April 19, 2017

Abstract

The variable mass flow in perforated horizontal wells is very complex. One reason is that the perforation can increase the roughness of the pipe wall which will increase the frictional pressure drop. The other is the fluid boundary layer and velocity profile of axial flow will be changed due to the “mixing” of the inflow with the axial flow. The influences of the perforation parameters and flux rate on the pressure drawdown in horizontal wellbore are investigated. The perforation parameters include perforation phasing, perforation diameter, perforation density. According to the experiment results, some modes such as friction factor calculation model (the accuracy of the model is 4%), “mixing” pressure drop calculation model (the accuracy of the model is 3%) and total pressure drop calculation model (the accuracy of the model is 2%) are developed.

Copyright (c) 2017 by ASME
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