... inf relations were separately derived based on two permeability prediction models and then merged together to drive a generalized l inf relation. The proposed rock typing methodology includes two main parts: in the first part, we determine an appropriate constant coefficient, and in the second part...

... unplugging evaluation test device was designed to simulate the approximate downhole reservoir conditions in the places where the shock wave occurs to test the approximate downhole stress conditions of the core, and to test the permeability changes after different shock waves acted on the core. The results...

...Chunsheng Yu; Qi Jiang; Na Su; Lin Chang In this research, experimental and mathematical modeling were carried out to estimate the permeability of tight sandstones. The pore structure parameters such as the number of pores, pore cross-sectional area, and pore radius were obtained by microcomputed...

...; the throat radius is mostly distributed in 0.5–1×10 2 µm. The seepage simulation on the pore scale is carried out, and the absolute permeability is calculated to be 76.8 µm 2 . Compared with conventional physical experiments, the digital core technology can obtain the true distribution of the pores inside...

...Xiangnan Liu; Daoyong Yang; Andrew Chen In this paper, pragmatic and robust techniques have been developed to simultaneously interpret absolute permeability and relative permeability together with capillary pressure in a naturally fractured carbonate formation from wireline formation testing (WFT...

... effect can significantly affect retention and absorption of the fracturing fluid. In this study, the imbibition behaviors of the fracturing fluid were experimentally investigated, and the effects of interfacial tension, (IFT) permeability, oil viscosity, and the salinity of the imbibition fluid were...

...M. Nunes; P. Bedrikovetsky; B. Newbery; R. Paiva; C. Furtado; A. L. de Souza Flow of particulate suspension in porous media with particle retention and consequent permeability reduction is discussed. Using analytical model for suspension injection via single well, the permeability damage zone size...

.... The model is analytical and accommodates partial penetration and permeability anisotropy. The analysis method employs a family of type-curves. Examples of possible applications of this new testing method are also shown in this paper. Bremer , R. , Winston , H. , and Vela , S. , 1983...

...; 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...

...Glenn Penny; John T. Pursley; David Holcomb A new microemulsion additive has been developed that is effective in remediating damaged wells and is highly effective in fluid recovery and relative permeability enhancement when applied in drilling and stimulation treatments at dilute concentrations...

...D. Brant Bennion; F. Brent Thomas Very low in situ permeability gas reservoirs ( Kgas < 0.1 mD ) are very common and represent a major portion of the current exploitation market for unconventional gas production. Many of these reservoirs exist regionally in Canada and the United States and also...

... in the hydrocarbon effective mobility, λ , λ = k o ∕ μ o = k k ro ∕ μ o . Three possible mechanisms of asphaltene-induced formation damage have been discussed in the literature. Asphaltenes can reduce the hydrocarbon effective mobility by a) blocking pore throats thus reducing the rock permeability, k, b) adsorbing...

...Jeong G. Seo; Daulat D. Mamora This paper presents experimental and simulation studies to evaluate the feasibility of sequestering supercritical CO 2 in depleted gas reservoirs. Experimental results were simulated to obtain gas-liquid relative permeability curves used in the field simulation study...

... the production platform separator lines froze due to sudden cold weather. The author found that as the original water-oil contact plane rose above the original plane of contact, it caused a drastic change in water saturation and relative permeability. We show the increased water saturation decreases...

... 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...

... are assembled in sufficient quantities, they obstruct pore throats and reduce the permeability of the formation. There is anecdotal evidence of substantial fines migration during steam injection enhanced oil recovery operations. As of yet, the mechanism of fines release with temperature is unexplained...

...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...

...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...