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This paper presents a comparative study between different oil production enhancement scenarios in the Saadi tight reservoir located Halfaya Iraqi field. The exhibits poor petrophysical characteristics, including medium pore size, low permeability (reaching zero some areas), and high porosity of up to 25%. Previous stimulation techniques such as acid fracturing matrix acidizing have yielded this...

social stratification, formation of various classes and appearance of various layers in the society is a fact resulting from social conditions of public life and a wide variety of material, economic and subsistence factors as well as political situation, religious beliefs and public customs and thoughts; also ethnic divisions play an essential and undeniable role in this field. greed and coveto...