Phase Behavior in the Hydrogen Sulfide-Water System

Selleck, F. T.; Carmichael, L. T.; Sage, B. H.

doi:10.1021/ie50513a064

Cited by 256 publications

(236 citation statements)

References 4 publications

(5 reference statements)

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“…113 Figure A.20. Measured (Gilespie et al, 1984;Selleck et al, 1952) and calculated H 2 S solubilities in water by TMVOC_REACT and TMVOC (Pruess and Battistelli, 2002) 114 Figure A.21. Measured (Koschel et al, 2007) and calculated H 2 S solubilities in water by TMVOC_REACT.…”

Section: List Of Figuresmentioning

confidence: 99%

“…Further tests were also conducted with measured data from other sources (Figure A.23). Pressure (bar) Mole fraction of H2S Selleck et al, 1952Gillespie et al, 1984 TMVOC (Pruess and Battistelli, 2002) TMVOC_REACT Figure A .20. Measured (Gilespie et al, 1984;Selleck et al, 1952) and calculated H 2 S solubilities in water by TMVOC_REACT and TMVOC (Pruess and Battistelli, 2002) (Koschel et al, 2007) and calculated H 2 S solubilities in water by TMVOC_REACT.…”

Section: A7 Solubility Of H 2 S In Watermentioning

confidence: 99%

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Modeling Studies on the Transport of Benzene and H2S in CO2-Water Systems

Zheng¹,

Spycher²,

Xu³

et al. 2010

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Section: List Of Figuresmentioning

confidence: 99%

Section: A7 Solubility Of H 2 S In Watermentioning

confidence: 99%

Modeling Studies on the Transport of Benzene and H2S in CO2-Water Systems

Zheng¹,

Spycher²,

Xu³

et al. 2010

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“…The optimized binary interaction parameters obtained for the PC-SAFT EoS using objective functions S 1 or S 2 are: k C 1 CO 2 = 0.0497 [24], k C 1 H 2 S = 0.0582 [25], [29,30], where the numbers in brackets indicate the references from which the experimental VLE data were taken for the optimization of the interaction parameters.…”

Section: Results and Discusssionmentioning

confidence: 99%

Prediction of Phase Behavior for the System Methane-Carbon Dioxide- Hydrogen Sulfide-Water with the PR and PC-SAFT Equations of State

Avila-Mendez¹,

Justo-García²,

arcia-Sanchez

et al. 2011

TOTHERJ

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Abstract:In this work, we present the predicted multiphase behavior (vapor-liquid, liquid-liquid, and vapor-liquid-liquid equilibria) for a quaternary mixture containing methane, carbon dioxide, hydrogen sulfide, and water. The capabilities of the PR (Peng-Robinson) and PC-SAFT (Perturbed-Chain Statistical Associating Fluid Theory) equations of state (EoS) to predict the phase behavior exhibited by this mixture were compared and analyzed. The computer algorithm used for isothermal multiphase flash calculations is based on the minimization of the Gibbs energy along with stability analysis to find the most stable state of the system. The binary interaction parameters used with the PR EoS for modeling this system were taken from the literature whereas the interaction parameters for the PC-SAFT were obtained from the regression of binary vapor-liquid equilibrium data. The results obtained differ from each other and demonstrate different capabilities and accuracies of the present thermodynamic models in the predictions.

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“…Water solubility in acid gases is presented in Figure 5, using experimental data from Takenouchi and Kennedy (1964) and Selleck et al (1952).…”

Section: Water Solubility In a Hydrocarbon Phasementioning

confidence: 99%

“…For gases, the domain investigated is that of high pressures (most often up to Mole % water CO2 (Takenouchi and Kennedy, 1964) at 110°C H2S (Selleck et al 1952) at 104°C…”

Section: Hydrocarbon Solubility In Watermentioning

confidence: 99%

The Importance of Water-Hydrocarbon Phase Equilibria During Reservoir Production and Drilling Operations

Zhou

Hemptinne

Dhima

1998

Rev. Inst. Fr. Pét.

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La présence inévitable d'eau dans les réservoirs à hautes pression et température crée de nouveaux défis pour l'ingénieur pétrolier.Un bref état de l'art des équilibres eau-hydrocarbures est présenté dans un premier temps. À haute température, de grandes quantités d'eau peuvent se trouver dans la phase hydrocarbonée (jusqu'à 10 % moles), et à haute pression, on trouvera des quantités non négligeables de gaz dissous dans l'eau. Des mesures de solubilités mutuelles ont donné lieu à un grand nombre de modèles. Étant donné les limites des données expérimentales, les restrictions des modèles sont soulignées. Des études récentes ont indiqué l'intérêt d'utiliser des constantes de Henry pour la prédiction de la solubilité d'hydrocarbures dans l'eau.Les nouveaux défis sont abordés sur la base de quelques publications récentes. L'eau présente en phase hydrocarbonée peut conduire à des dépôts de sels autour du puits, et peut modifier l'estimation de la quantité de gaz en place. Elle peut également donner lieu à une modification des pressions de saturation. La présence d'eau dans les conduites de transport impose un traitement supplémentaire pour éviter la formation d'hydrates.Les hydrocarbures dissous en phase aqueuse peuvent, de leur côté, modifier la composition du fluide, particulièrement lorsque la pression devient très faible. La toxicité de l'eau contenant du H 2 S ou des aromatiques peut créer de réels problèmes lorsqu'il s'agit de nappes aquifères ou lorsqu'il est question de rejeter les eaux de production. Lors du forage, la présence de gaz dissous dans le fluide de forage (souvent à base d'eau) peut représenter un danger réel en causant des éruptions.Une attention particulière doit être portée aux injections de gaz acides dans des réservoirs, car l'effet de ces fluides injectés peut être difficile à prédire.En conclusion, au vu des besoins industriels présentés, des suggestions sont proposées pour des acquisitions de données supplémentaires ou pour améliorer les modèles actuels. The inevitable presence of water in high pressure-high temperature reservoirs leads to a number of new challenges for petroleum engineers.A brief state of the art on water-hydrocarbon phase equilibria is presented. It appears that large amounts of water may be present in the hydrocarbon phase (up to 10% molar), and non negligible amounts of gas can dissolve in water. Based on experimental data, a large number of models have been developed. However, concerning the limitations of the data, caution is expressed about the correctness of some models. Recent studies have proven the usefulness of Henry's constants to predict hydrocarbon solubilities in water.The new challenges that are raised by this problem are discussed based on a number of recent publications. The water present in the hydrocarbon may lead to salt deposits downwell, and it must be taken into account in order to estimate the amount of gas in place. It can also result in modifications of the saturation pressure. Due to the presence of water, additional treatment is needed for pi...

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Phase Behavior in the Hydrogen Sulfide-Water System

Cited by 256 publications

References 4 publications

Modeling Studies on the Transport of Benzene and H2S in CO2-Water Systems

Modeling Studies on the Transport of Benzene and H2S in CO2-Water Systems

Prediction of Phase Behavior for the System Methane-Carbon Dioxide- Hydrogen Sulfide-Water with the PR and PC-SAFT Equations of State

The Importance of Water-Hydrocarbon Phase Equilibria During Reservoir Production and Drilling Operations

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