An algebraic targeting approach for optimal planning of gas sweetening problem in non-conventional gas field development

College

Gokongwei College of Engineering

Department/Unit

Chemical Engineering

Document Type

Article

Source Title

Process Safety and Environmental Protection

Volume

120

First Page

248

Last Page

255

Publication Date

11-1-2018

Abstract

An algebraic technique based on pinch analysis has been developed for the planning of non-conventional natural gas (NG) field development projects. The development of NG fields with high carbon dioxide (CO2) content has become increasingly common in the oil and gas industry. In such cases, the raw NG needs to be treated in situ for CO2 removal to meet the sales gas specifications before being sent to the onshore gas processing plants (GPPs). The captured CO2 can either be reinjected into the reservoir for permanent storage, or utilised for enhanced oil recovery (EOR), for which partial sequestration may also be achieved. These options create the need to develop systematic techniques to provide high-level decision support for field development planning. The algebraic technique developed in this work overcomes the limitations of a recently developed graphical technique (Foo et al., 2016), as it relaxes the previous simplistic assumptions on stream purity requirements. Two case studies are used to illustrate the methodology. © 2018 Institution of Chemical Engineers

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Digitial Object Identifier (DOI)

10.1016/j.psep.2018.09.018

Disciplines

Chemical Engineering

Keywords

Carbon sequestration; Gas fields; Natural gas; Gas industry

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