...Muhammad Jawad Munawar; Sandra Vega; Chengyan Lin; Mohammad Alsuwaidi; Naveed Ahsan; Ritesh Ramesh Bhakta Scaling porosity of sedimentary rocks from the scale of measurement to the scale of interest is still a challenge. Upscaling of porosity can assist to accurately predict other petrophysical...

... numbers, the Nusselt number reaches higher values because of buoyant-driven convective heat transfer deterioration. Moreover, the angular velocity directions of both cylinders slightly affect the Nusselt number. Besides, the impact of porosity on the heat transfer rate is studied for different Darcy...

... the effect of effective stress on the rock compressibility, the production rate and recovery factor are larger than those without considering it. Moreover, the effect of porosity and confining pressure on the productivity of a vertical well is also studied and discussed in this paper. The results show...

...; therefore, the effects of porous material parameters have been less considered. In this research, the effects of geometrical parameters of porous medium, namely porosity and permeability, on centerline temperature distributions, peak flame temperature, flame structure, and gas mixture preheating have been...

...Chunlou Li; Tao Xie; Maysam Pournik; Ding Zhu; A. D. Hill We have developed a fine-scale model of the sandstone core acid flooding process by solving acid and mineral balance equations for a fully three-dimensional flow field that changed as acidizing proceeded. The initial porosity and mineralogy...

... deposition on porosity, permeability, and the productivity of vertical wells in asphaltenic-oil reservoirs are investigated by simulation. 21 09 2004 24 03 2005 oil technology precipitation porosity permeability crude oil Asphaltene Precipitation Deposition Productivity...

... and asphaltene solubility and deposition models; the energy and momentum balance equations; and the porosity and permeability reduction models. This model is numerically solved and validated with two sets of laboratory experimental data. It is demonstrated that the present model satisfactorily represents...

... ). fines migration colloids thermal oil recovery laboratory studies DLVO porous materials crystal microstructure rocks clay porosity pH permeability colloids scanning electron microscopy petroleum industry 12 08 2004 15 03 2005 16 03 2005 In DLVO theory...

...Hossein Jahediesfanjani; Faruk Civan Coalbed methane (CBM) reservoirs are characterized as naturally fractured, dual porosity, low permeability, and water saturated gas reservoirs. Initially, the gas, water, and coal are at thermodynamic equilibrium under prevailing reservoir conditions. Dewatering...

...O. S. Shokoya; S. A. (Raj) Mehta; R. G. Moore; B. B. Maini; M. Pooladi-Darvish; A. Chakma Flue gas injection into light oil reservoirs could be a cost-effective gas displacement method for enhanced oil recovery, especially in low porosity and low permeability reservoirs. The flue gas could...

...Alan L. T. Wang; John F. Stubington Char attrition is the main mechanism for the fine char generation in PFBC. The char attrition rates were significantly different for each of the two coal chars tested. Specific char attrition rate increased with the surface porosity of burning char particles...

...C. Ozgen Karacan; Abraham S. Grader; Phillip M. Halleck We have investigated porosity and permeability damage around perforations using a combination of transient analysis and X-ray CT. The method applied allowed us to perform the entire experiments on samples under simulated in-situ stress...