... equilibrium corrosion heat transfer wellbore Upstream Oil & Gas calculation WHP conduction gradient society of petroleum engineers convection heat capacity temperature profile gas-condensate well bottomhole pressure gauge depth permeability composition equation hydrostatic head mid...

... methods equilibrium residual oil ift spe 158801 formation water society of petroleum engineers size distribution alternative method surfactant enhanced oil recovery Introduction Enhanced oil recovery (EOR) basically consists of the injection fluids to a reservoir with the objective...

... equipment consists of high pressure (1,000 bar) equilibrium cells operating over a wide temperature (-80 to 200 °C), GC, chilled mirror and Laser Hygrometer for water content measurements. A thermodynamic model based on Cubic-Plus-Association (CPA) equation of state has been used in modelling phase...

... dehydration plant using these principles at the WRF). The results also indicate that the system is providing significant dewpoint depression below equilibrium; the water content of natural gases in equilibrium with gas hydrates is lower than the water content of natural gases in equilibrium with water...

... equilibrium in long term. The experiments used pure CO 2 gas and a synthetic brine of 2% NaCl with experimental P/T conditions at 2580 Psia and 83 °C, respectively, similar to that of the target reservoir interval of the proposed CO 2 injection well (CRC-1) in the Otway Bain, Australia. The pressure drop...

...-kinetic sampling were initially superseded by improving the separation properties of the separators, increasing their size and/or lowering the flow rates to allow more time for equilibrium 2 . The biggest challenge lies in improving the quality of the ever more popular open hole wireline samples...

... Paraffin along with other heavy components of crude oil exists in reservoir under equilibrium in liquid state. During production, this equilibrium gets disturbed due to reduction in temperature and pressure along production path that caused separations, precipitations and deposition of paraffin...

... If the gas that forms hydrates is a kind of mixed gas, the forming diagram of hydrates may cross with the phase envelope of the gas mixture, see Fig.3 . Line AB, BC and DE in Fig.3 respectively correspond to line AB, BC and CD in Fig.2 . Line CD in Fig.3 represents the equilibrium...

... primary drainage curve prior to any production in the reservoir. The vertical fluid distribution is found by assuming equilibrium between capillary forces and gravity. This paper will focus on numerical modelling of the fluid distribution as production is started in a reservoir. As wells may be open...

... that the authors and co-workers have developed is one of such approaches. The vertical equilibrium is assumed to define the transition zone in the matrix block in order to better express the transient saturation profile, which is the manifestation of the combined effects of viscous, capillary, and gravity forces...