experimental investigation and modeling of asphaltene precipitation due to gas injection
نویسندگان
چکیده
asphaltene instability is one of the major problems in gas injection projects throughout the world. numerous models have been developed to predict asphaltene precipitation; the scaling equation is an attractive tool because of its simplicity and not involving complex properties of asphaltene. in this work, a new scaling model is presented to account for asphaltene precipitation due to gas injection at reservoir conditions. extensive published data from literature have been used in model preparation. to check predictive capability of the equation, miscible gas injection experiments are conducted for a southwest iranian oil reservoir. experimental results show that methane injection has significant effect on asphaltene precipitation and direct effect of temperature is less severe than other parameters. in addition to the accuracy and simplicity, the proposed equation provides universal parameters which make this approach novel for evaluation of future gas injection projects when simple pvt data are available.
منابع مشابه
Experimental Investigation and Modeling of Asphaltene Precipitation Due to Gas Injection
Asphaltene instability is one of the major problems in gas injection projects throughout the world. Numerous models have been developed to predict asphaltene precipitation; The scaling equation is an attractive tool because of its simplicity and not involving complex properties of asphaltene. In this work, a new scaling model is presented to account for asphaltene precipitation due to gas ...
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experimental investigation on asphaltene deposition in porous media during miscible gas injection
in this work the likelihood of asphaltene deposition problems during dynamic displacement of oil by natural gas in unconsolidated porous media is experimentally inspected. the two different rock materials, limestone and sandstone, are used as a representative of porous media. dynamic flow experiments indicate that the increase of natural gas injection increases asphaltene deposition in the unco...
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عنوان ژورنال:
iranian journal of chemistry and chemical engineering (ijcce)ناشر: iranian institute of research and development in chemical industries (irdci)-acecr
ISSN 1021-9986
دوره 31
شماره 1 2012
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