SIMULATION AND PREDICTION OF HYDRATE FORMATION UNDER THE CONDITIONS OF HIGH CARBON DIOXIDE CONTENT

doi:10.3863/j.issn.1000-2634.2007.02.004

西南石油大学学报(自然科学版) ›› 2007, Vol. 29 ›› Issue (2): 14-16.DOI: 10.3863/j.issn.1000-2634.2007.02.004

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SIMULATION AND PREDICTION OF HYDRATE FORMATION UNDER THE CONDITIONS OF HIGH CARBON DIOXIDE CONTENT

HUI Jian LIU Jian-yi YE Chang-qing et al.

(State Key Lab of Oil & Gas Reservoir Geology and Exploitationo·Southwest Petroleum University, Chengdu Sichuan 610500,China)

Received:2007-01-10 Revised:1900-01-01 Online:2007-04-20 Published:2007-04-20
Contact: HUI Jian

Abstract

Abstract: A test is carried out with the special equipment of the Oil and Gas Reservoir Geology and Exploitation State Key Lab at SWPU by using hydrocarbon gas samples with different carbon dioxide content to measeru the tempreature in which at the given pressure carbon dioxide hydrate forms. A new prediction model of hydrate formation conditions in high carbon dioxide is developed in the study based on thermodynamics theory. The results of simulation are quite consistent with the results of out test, and the maximun relative error is controlled within 0.91%, which can meet the requirments of engineering design and calculation and is a new means for further study on carbon dioxide hydrate during gas production.

Key words: carbon dioxide, hydrate, laboratorial test, molecular thermodynamics, fugacity

CLC Number:

TE372

HUI Jian LIU Jian-yi YE Chang-qing et al.. SIMULATION AND PREDICTION OF HYDRATE FORMATION UNDER THE CONDITIONS OF HIGH CARBON DIOXIDE CONTENT[J]. 西南石油大学学报(自然科学版), 2007, 29(2): 14-16.

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SIMULATION AND PREDICTION OF HYDRATE FORMATION UNDER THE CONDITIONS OF HIGH CARBON DIOXIDE CONTENT

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