نتایج جستجو برای: Co2 Injection

تعداد نتایج: 226074  

Journal: :journal of petroleum science and technology 2014
baolun niu ruijian deng yiqing lin xinrong wu zhang zhang

co2 injection is an effective technique for improved oil recovery in light oil reservoirs, especially for water flooding abandoned reservoirs. in this study, the lower part of es1 reservoirs in pucheng oilfield was introduced as the target reservoir. by studying the minimum miscible pressure in co2 flooding, the reservoir could achieve miscible flooding. long core displacement experiments prove...

Journal: :journal of mining and environment 2013
a chamani vamegh rasouli

the rapid growth in natural gas consumption has increased the need for gas storage, in particular in the form of injection into depleted reservoirs. also, co2 sequestration into the depleted reservoirs has attracted a large attention recently. however, it is important to ensure that the injection pressure is maintained below a certain limit to avoid unsealing the cap rock or reactivation of any...

2016
Víctor Vilarrasa Jesús Carrera Sebastià Olivella

Geologic carbon storage is considered to be one of the main solutions to significantly reduce CO2 emissions to the atmosphere to mitigate climate change. CO2 injection in deep geological formations entails a twophase flow, being CO2 the non-wetting phase. One of the main concerns of geologic carbon storage is whether the overpressure induced by CO2 injection may compromise the caprock integrity...

Journal: :مهندسی بیوسیستم ایران 0
محمدحسین سعیدی راد مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی سودابه عین افشار مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی سعید ظریف نشاط مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی صمد نظرزاده اوغاز مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی

one way to increase the shelf life of agriculture products is using of controlled atmosphere storages. in order to obtain the controlled gas components, an equipped cold store with cooling system and atmosphere controller system designed and constructed. the injection of co2, o2 and n2 were controlled automatically into the store by programable logic control (plc). the store was a laboratory re...

2014
Shujuan Wang Kambiz Vafai Sumit Mukhopadhyay

A theoretical model for carbon dioxide (CO2) migration in tilted aquifers with groundwater flow is presented to evaluate the injection of CO2 into a geological formation. Capillary force in the flow of two immiscible fluids in a porous medium creates a saturation transition zone, where the saturation changes gradually. A vertical equilibrium assumption is employed to solve for the capillary pre...

2008
Ian J. Duncan Jean-Philippe Nicot Jong-Won Choi

This paper is the first of a series that attempts to assess the possible health and safety risks associated with large scale CO2 sequestration in deep brine reservoirs. The approach is based on analysis of available data on the operational track record from CO2 transportation and injection associated with enhanced oil recovery (CO2-EOR) in the US. This paper is particularly concerned with ident...

2008
Ian J. Duncan Jean-Philippe Nicot Jong-Won Choi

This paper is the first of a series that attempts to assess the possible health and safety risks associated with large scale CO2 sequestration in deep brine reservoirs. The approach is based on analysis of available data on the operational track record from CO2 transportation and injection associated with enhanced oil recovery (CO2-EOR) in the US. This paper is particularly concerned with ident...

2006
R. Juanes E. J. Spiteri F. M. Orr M. J. Blunt

[1] Relative permeabilities are the key descriptors in classical formulations of multiphase flow in porous media. Experimental evidence and an analysis of pore-scale physics demonstrate conclusively that relative permeabilities are not single functions of fluid saturations and that they display strong hysteresis effects. In this paper, we evaluate the relevance of relative permeability hysteres...

2014
Changhyun Baek Eungchan Lee Hoon Kang Yongchan Kim

With the increasing of the environmental concerns, carbon dioxide (CO2) as an alternative refrigerant has been investigated intensively. In this study, the heating performance of a transcritical CO2 heat pump system with a twinrotary compressor was investigated. The transcritical CO2 heat pump with gas injection was tested by varying gas injection ratio and outdoor temperature at the optimum re...

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