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Phase behaviour in water/hydrocarbon mixtures involved in gas production systems

Antonin Chapoy
Abstract : Inside wells, natural gases frequently coexist with water. The gases are in equilibrium with the sub-adjacent aquifer. Many problems are associated with the presence of water during the production, transport and processing of natural gases. Accurate knowledge of the thermodynamic properties of the water/hydrocarbon and water-inhibitor/hydrocarbon equilibria near the hydrate forming conditions, at sub-sea pipeline conditions and during the transport is crucial for the petroleum industry. An apparatus based on a static-analytic method combined with a dilutor apparatus to calibrate the gas chromatograph (GC) detectors with water was used to measure the water content of binary systems (i.e.: water -methane, ethane- water, nitrogen -water...) as well of a synthetic hydrocarbon gas mixture (i.e.: 94% methane, 4% ethane and 2% n-butane) with and without inhibitor. This same apparatus was also used generate data of methane, ethane, propane, n-butane and nitrogen solubility in water and also the solubilities of a synthetic mixture in water. In-house software has been developed in order to fit and model the experimental data
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https://pastel.archives-ouvertes.fr/pastel-00001202
Contributor : Ecole Mines Paristech <>
Submitted on : Friday, April 15, 2005 - 8:00:00 AM
Last modification on : Friday, October 23, 2020 - 4:48:30 PM
Long-term archiving on: : Thursday, September 30, 2010 - 6:53:59 PM

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  • HAL Id : pastel-00001202, version 1

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Antonin Chapoy. Phase behaviour in water/hydrocarbon mixtures involved in gas production systems. Engineering Sciences [physics]. École Nationale Supérieure des Mines de Paris, 2004. English. ⟨pastel-00001202⟩

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