PENGARUH PENEKANAN PELLET SILIKA TERHADAP POROSITAS DAN PERMEABILITAS

FADLI, HERI (2019) PENGARUH PENEKANAN PELLET SILIKA TERHADAP POROSITAS DAN PERMEABILITAS. Diploma thesis, Fakultas Teknik.

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Abstract

The silica classification (SiO2) is divided into four basic characteristics of silica which are crystal structure, dispersity, surface composition and porosity. Silica sand is widely used by the oil and gas industry as proppant or as water filters. The proppant choice depends on the type of permeability or grain strength required. Moreover, proppant with a larger size will provide better fracture permeability, because the permeability value will increase along with the increasing of grain diameter. This study aims to determine the effect of silica pellet pressing towards porosity and permeability. This silica pellet pressing uses a hydraulic press machine KW05-135 and with 10,000 kg capacity. Researcher conducts silica pellets with the same grain size of silica sand content (100 mesh) as much as 8.74 g / cm3, using an adhesive type of Polyethylene Glycol (PEG) 400 as much as 0.57 g / cm3, and Aluminum Powder 3.42 g / cm3. The mold used is Silica Pellet Type Alloy 410 with an inner diameter 27 mm, an outer diameter 57 mm and the height of mold hole 89 mm with the pressure of 1000 Kg, 3000 Kg and 5000 Kg, and provides a sintering temperature 1200 ° C. The optimum porosity value obtained is 39.25% and the optimum permeability value gained is 57 mD.

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