Seismo Radiant Energy Fractal Dimension for Characterizing Shajara Reservoirs of the Permo-Carboniferous Shajara Formation Saudi Arabia

Khalid Elyas Mohamed Elameen Alklhidir

King Saud University, Saudi Arabia

Abstract

The quality and appraisal of a store can be recorded in subtleties by the use of seismo brilliant vitality. This exploration plans to figure fractal measurement from the relationship among seismo brilliant vitality, greatest seismo brilliant vitality and wetting stage immersion and to affirm it by the fractal measurement got from the relationship among narrow weight and wetting stage immersion. Two conditions for computing the fractal measurements have been utilized. The first depicts the practical connection between wetting stage immersion, seismo brilliant vitality, most extreme seismo brilliant vitality and fractal measurement. The subsequent condition infers the wetting stage immersion as an element of narrow weight and the fractal measurement. Two methods for acquiring the fractal measurement have been used. The main methodology was finished by plotting the logarithm of the proportion between seismo brilliant vitality and most extreme seismo brilliant vitality versus logarithm wetting stage immersion. The incline of the main method = 3-Df (fractal measurement). The second method for getting the fractal measurement was controlled by plotting the logarithm of slender weight versus the logarithm of wetting stage immersion. The incline of the second system = Df - 3. Based on the got consequences of the created stratigraphic segment and the got estimations of the fractal measurement, the sandstones of the Shajara repositories of the Shajara Formation were separated here into three units.

Sandstone samples were gathered from the surface kind segment of the Shajara Formation of the Permo-Carboniferous Unayzah Group for nitty gritty repository portrayal. Slim weight analysis was performed to contact porosity and penetrability was gotten from the Data. Geometric unwinding time of instigated polarization was determined from the dispersion of pores and the fractal measurement was demonstrated from the connection between water immersion and geometric unwinding time of actuated polarization. Notwithstanding field perception and acquired aftereffects of fractal measurement, the Shajara repositories of the Shajara Formation of the permoCarboniferous Unayzah Group were partitioned here into three fractal measurement units. The Units from bottom to top are: Lower Shajara Geometric Relaxation Time Fractal measurement Unit, Middle Shajara Geometric Relaxation Time Fractal Dimension Unit, and Upper Shajara Geometric Relaxation Time Fractal Dimension Unit. These units were additionally demonstrated by number-crunching unwinding time of actuated polarization fractal measurement. It was discovered that the geometric unwinding time fractal measurement is like the number-crunching unwinding time fractal measurement of prompted polarization. It was likewise announced that the acquired fractal measurement speeds with expanding penetrability and unwinding time because of an expansion in the pore network.

The quality and examination of a flexibly can be filed in detail by the display of seismic time. This assessment means to process fractal estimation from the relationship among seismic time, most extraordinary seismic time and wetting stage drenching and to assert it by the fractal estimation obtained from the relationship among fine weight and wetting stage inundation. In this assessment, porosity was evaluated on authentic accumulated sandstone tests and permeability was resolved theoretically from a restricted weight profile assessed by mercury interference polluting the pores of sandstone tests in thought. Two conditions for calculating the fractal estimations have been used. The main portrays the valuable association between wetting stage drenching, seismic time, most outrageous seismic time and fractal estimation. The ensuing condition incorporates the wetting stage submersion as a component of fine weight and the fractal estimation. Two techniques for gaining the fractal estimation have been utilized. The primary approach was done by plotting the logarithm of the extent between seismic time and most outrageous seismic time versus logarithm wetting stage inundation. The slope of the essential technique = 3-Df (fractal estimation). The second procedure for getting the fractal estimation was directed by plotting the logarithm of fine weight versus the logarithm of wetting stage drenching. The inclination of the second technique = Df - 3. Considering the obtained delayed consequences of the fabricated stratigraphic segment and the obtained estimations of the fractal estimation, the sandstones of the Shajara storehouses of the Shajara Formation were divided here into three units. The got units from base to top are: Lower Shajara seismic time Fractal Dimension Unit, Middle Shajara seismic time Fractal estimation Unit, and Upper Shajara seismic time Fractal Dimension Unit. The results show comparability between seismic time fractal estimation and hairlike weight fractal estimation. It was in like manner seen that models with a wide extent of pore clear were depicted by high estimations of fractal estimations in light of an extension in their systems. For our circumstance, and as finishes the higher the fractal estimation, the higher the heterogeneity, the higher the permeability, the better the gracefully traits.

The wetting stage immersion can be depicted as an element of slim weight and fractal measurement was illustrated. The Purcell model was seen as the best fit to the exploratory information of the wetting stage relative penetrability for the cases if the deliberate narrow weight bend had a similar lingering immersion as the relative porousness bend was depicted. A hypothetical model to connect slim weight and resistivity file dependent on the fractal scaling hypothesis was accounted for. The fractal measurement coming about because of longer transverse NMR unwinding times and lower narrow weight mirrors the volume measurement of bigger pores was depicted. The fractal measurement obtained from the short NMR unwinding times resembles the fractal measurement of the inward surface. The fractal measurements can be utilized to speak to the multifaceted nature degree and heterogeneity of pore structure, and the conjunction of disintegration pores and huge intergranular pores of Donghetang sandstones adds to a heterogeneous pore throat dissemination and a high estimation of fractal measurement was accounted for. The relationship among slim weight (PC), atomic attractive transverse unwinding time and resistivity list was contemplated. An expansion of air pocket pressure fractal measurement and weight head fractal measurement and diminishing pore size appropriation list and fitting boundaries m*n because of the chance of having interconnected channels was affirmed. An expansion of fractal measurement with expanding number juggling, geometric unwinding time of prompted polarization, penetrability and grain size was examined.