Optimization design of multi-gathering mode for the surface system in coalbed methane field

IF 4.2 Q2 ENERGY & FUELS
Jun Zhou , Tiantian Fu , Kunyi Wu , Yunxiang Zhao , Lanting Feng
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引用次数: 0

Abstract

As a potential resource for emerging clean energy with abundant reserves, coalbed methane (CBM) has risen rapidly in recent years, and the construction of rational and economical CBM gathering system plays a vital role in the development of the oil and gas industry. At present, there is no literature that considers the optimization of the multi-gathering mode of coalbed methane pipe network system. Due to the complexity and high investment, this paper establishes a unified mixed-integer nonlinear programming model to determine the gathering modes (including liquified natural gas, compressed natural gas, and gas gathering station) of gathering system to reduce the cost of coalbed methane collection and export. The objective function is the maximization of total profit during the period of the whole project, and such constraints, like network structure, facility number, location, node flow balance, capacity and variable value, are taken into consideration. The solution strategy and heuristic algorithm is proposed and verified by the field data from Shanxi province (China). The results show that the model can solve the problem for optimization design of the surface system in complicated CBM fields.

煤层气田地面系统多聚模式优化设计
煤层气作为储量丰富的潜在新兴清洁能源,近年来迅速崛起,构建合理、经济的煤层气集采系统对油气工业的发展起着至关重要的作用。目前还没有文献考虑煤层气管网系统多集气方式的优化。针对煤层气集输过程复杂、投资高的特点,本文建立了统一的混合整数非线性规划模型,确定了集输系统的集输方式(包括液化天然气、压缩天然气和天然气集输站),以降低煤层气集输成本。目标函数为整个项目期间总利润最大化,考虑了网络结构、设施数量、位置、节点流量平衡、容量、变量值等约束条件。提出了求解策略和启发式算法,并用山西省的现场数据进行了验证。结果表明,该模型能够解决复杂煤层气场地表系统的优化设计问题。
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来源期刊
Petroleum
Petroleum Earth and Planetary Sciences-Geology
CiteScore
9.20
自引率
0.00%
发文量
76
审稿时长
124 days
期刊介绍: Examples of appropriate topical areas that will be considered include the following: 1.comprehensive research on oil and gas reservoir (reservoir geology): -geological basis of oil and gas reservoirs -reservoir geochemistry -reservoir formation mechanism -reservoir identification methods and techniques 2.kinetics of oil and gas basins and analyses of potential oil and gas resources: -fine description factors of hydrocarbon accumulation -mechanism analysis on recovery and dynamic accumulation process -relationship between accumulation factors and the accumulation process -analysis of oil and gas potential resource 3.theories and methods for complex reservoir geophysical prospecting: -geophysical basis of deep geologic structures and background of hydrocarbon occurrence -geophysical prediction of deep and complex reservoirs -physical test analyses and numerical simulations of reservoir rocks -anisotropic medium seismic imaging theory and new technology for multiwave seismic exploration -o theories and methods for reservoir fluid geophysical identification and prediction 4.theories, methods, technology, and design for complex reservoir development: -reservoir percolation theory and application technology -field development theories and methods -theory and technology for enhancing recovery efficiency 5.working liquid for oil and gas wells and reservoir protection technology: -working chemicals and mechanics for oil and gas wells -reservoir protection technology 6.new techniques and technologies for oil and gas drilling and production: -under-balanced drilling/gas drilling -special-track well drilling -cementing and completion of oil and gas wells -engineering safety applications for oil and gas wells -new technology of fracture acidizing
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