Economical Optimum Gas Allocation Model Considering Different Types of Gas-Lift Performance Curves

The traditional optimum modes of gas-lift production are usually established by taking the injected gas rate as a decision variable and maximum oil production as the objective function. After solving the model, the injected gas rates of single wells are obtained, and then the oil productions of sing...

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Main Authors: Haiquan Zhong, Chengjie Zhao, Zhiyu Xu, Chuangen Zheng
Format: Article
Language:English
Published: MDPI AG 2022-09-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/15/19/6950
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author Haiquan Zhong
Chengjie Zhao
Zhiyu Xu
Chuangen Zheng
author_facet Haiquan Zhong
Chengjie Zhao
Zhiyu Xu
Chuangen Zheng
author_sort Haiquan Zhong
collection DOAJ
description The traditional optimum modes of gas-lift production are usually established by taking the injected gas rate as a decision variable and maximum oil production as the objective function. After solving the model, the injected gas rates of single wells are obtained, and then the oil productions of single wells, the total oil productions of well groups and economic profit can be obtained. However, the models do not take both different types of gas-lift performance curves (GLPCs) and the cost factors of gas-lift production technique into account. On the basis of GLPCs, this paper introduces the factors of a gas-lift production technique, which includes the water cut of crude oil, cost of gas injection and water treatment, and oil and gas prices. The concept of a gas-lift economic performance curve (GLEPC) is proposed, and an optimum gas allocation model is established, considering different types of GLPCs and taking economic benefits as the objective, and the model is solved by the method of mixed penalty function. Taking gas-lift well group JD as an example, four gas-lift gas allocation schemes are obtained, and the proposed economical optimum model is applied to optimize gas allocation and analyze profit. What is more, the oil production rate and the result of optimum gas allocation taking maximum oil production rate as the objective in the model are calculated and compared. Then the gas allocation scheme with maximum economical profit is selected, and the significance of considering different types of GLPCs and taking economic benefits as the objective to gas allocation is confirmed.
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spelling doaj.art-0bde26aad651469c8265be64780e25022023-11-23T20:10:34ZengMDPI AGEnergies1996-10732022-09-011519695010.3390/en15196950Economical Optimum Gas Allocation Model Considering Different Types of Gas-Lift Performance CurvesHaiquan Zhong0Chengjie Zhao1Zhiyu Xu2Chuangen Zheng3State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, ChinaNorthwest Oilfield Company, Urumqi 830011, ChinaQinghai Oilfield Drilling and Production Academy, PetroChina, DunHuang 736202, ChinaState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, ChinaThe traditional optimum modes of gas-lift production are usually established by taking the injected gas rate as a decision variable and maximum oil production as the objective function. After solving the model, the injected gas rates of single wells are obtained, and then the oil productions of single wells, the total oil productions of well groups and economic profit can be obtained. However, the models do not take both different types of gas-lift performance curves (GLPCs) and the cost factors of gas-lift production technique into account. On the basis of GLPCs, this paper introduces the factors of a gas-lift production technique, which includes the water cut of crude oil, cost of gas injection and water treatment, and oil and gas prices. The concept of a gas-lift economic performance curve (GLEPC) is proposed, and an optimum gas allocation model is established, considering different types of GLPCs and taking economic benefits as the objective, and the model is solved by the method of mixed penalty function. Taking gas-lift well group JD as an example, four gas-lift gas allocation schemes are obtained, and the proposed economical optimum model is applied to optimize gas allocation and analyze profit. What is more, the oil production rate and the result of optimum gas allocation taking maximum oil production rate as the objective in the model are calculated and compared. Then the gas allocation scheme with maximum economical profit is selected, and the significance of considering different types of GLPCs and taking economic benefits as the objective to gas allocation is confirmed.https://www.mdpi.com/1996-1073/15/19/6950types of GLPCsoptimum gas allocationGLEPCsmathematical modelmixed penalty function
spellingShingle Haiquan Zhong
Chengjie Zhao
Zhiyu Xu
Chuangen Zheng
Economical Optimum Gas Allocation Model Considering Different Types of Gas-Lift Performance Curves
Energies
types of GLPCs
optimum gas allocation
GLEPCs
mathematical model
mixed penalty function
title Economical Optimum Gas Allocation Model Considering Different Types of Gas-Lift Performance Curves
title_full Economical Optimum Gas Allocation Model Considering Different Types of Gas-Lift Performance Curves
title_fullStr Economical Optimum Gas Allocation Model Considering Different Types of Gas-Lift Performance Curves
title_full_unstemmed Economical Optimum Gas Allocation Model Considering Different Types of Gas-Lift Performance Curves
title_short Economical Optimum Gas Allocation Model Considering Different Types of Gas-Lift Performance Curves
title_sort economical optimum gas allocation model considering different types of gas lift performance curves
topic types of GLPCs
optimum gas allocation
GLEPCs
mathematical model
mixed penalty function
url https://www.mdpi.com/1996-1073/15/19/6950
work_keys_str_mv AT haiquanzhong economicaloptimumgasallocationmodelconsideringdifferenttypesofgasliftperformancecurves
AT chengjiezhao economicaloptimumgasallocationmodelconsideringdifferenttypesofgasliftperformancecurves
AT zhiyuxu economicaloptimumgasallocationmodelconsideringdifferenttypesofgasliftperformancecurves
AT chuangenzheng economicaloptimumgasallocationmodelconsideringdifferenttypesofgasliftperformancecurves