Phase equilibria in the presence of saline water systems and its application to the hydrate inhibition effect of produced water

Bahman Tohidi, Ali Danesh, R. W. Burgass, A. C. Todd

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A major concern in North Sea wells is that the above subsea pipelines and process facilities are prone to hydrate formation. For efficient pipeline design and operation, phase equilibria as well as the boundary of hydrate formation, with and without salts and other chemical inhibitors, must be precisely known. Produced water, due to the presence of salts, has a hydrate inhibiting effect and hence reduces the requirement in the consumption of expensive inhibitors. The paper presents a prediction model for reservoir fluids in the presence of salts and/or chemical inhibitors. The model is capable of predicting vapor pressure and freezing point of saline systems and single and mixed electrolyte solutions.

Original languageEnglish
Title of host publicationProceedings of the European Petroleum Conference. Part 1 (of 2)
Pages169-177
Number of pages9
Publication statusPublished - 1994
EventEuropean Petroleum Conference - London, United Kingdom
Duration: 24 Oct 199426 Oct 1994

Conference

ConferenceEuropean Petroleum Conference
CountryUnited Kingdom
CityLondon
Period24/10/9426/10/94

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