Title:

A Screening Methodology for the Optimal Selection of AL Methods for Geothermal Wells

Authors:

Hakki AYDIN, Betul YILDIRIM, Sukru MEREY

Key Words:

Artificial lift, ESP, gas lift, geothermal, LSP, screening, SWOT

Conference:

Stanford Geothermal Workshop

Year:

2025

Session:

Production Engineering

Language:

English

Paper Number:

Aydin1

File Size:

895 KB

View File:

Abstract:

Well-flow rates significantly influence the economic viability of geothermal projects. Geothermal wells targeting natural fractures typically yield high flow rates; however, the production performance of these wells can substantially decline over time. Artificial lift (AL) methods, including gas lift (GL) and downhole pumps such as Electrical Submersible Pumps (ESPs) and line shaft pumps (LSPs), are effectively used to compensate for production losses in geothermal wells. This study presents a screening and decision-making methodology to determine the most suitable AL method for geothermal wells with different characteristics, considering a techno-economic analysis of the various lift methods. A Python scrpt was developed to automate the selection of an optimal AL method using a structured decision-making approach including Boolean logic analysis and Multicriteria Decision Analysis (MCDA) methods.


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