Artificial lift

Artificial-Lift-System Selection Guidelines for Horizontal Gas Wells

This study presents a methodology to define the most-adequate artificial-lift technique on the basis of technical limitations, a suitability coefficient (based on an attributes table), and economic analysis toward horizontal well configuration.

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Many different artificial-lift systems (ALSs) are used in horizontal gas wells. Basically, most of them were adopted and evolved from those used in oil wells. This study presents a methodology to define the most-adequate artificial-lift technique on the basis of technical limitations, a suitability coefficient (based on an attributes table), and economic analysis toward horizontal well configuration.

Introduction

The objective of the ALS in gas wells is to remove liquid from the wellbore, which is referred to as deliquification. The ALSs or deliquification techniques can be categorized into two groups, passive systems and active systems.

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