Study the effect of optimum acidizing method on improving oil production in Badra Field

Acidizing of carbonate reservoir is a challenge to find optimum acidizing operation. Therefore, one of the most importance use acid to remove the damage of the near wellbore in the hole of the well. The main objective of this study to estimate technology, efficiency of productivity index (productivity decreases during production) and stimulate non- working but productive intervals in Mauddud Formation. Much of the world's oil and gas almost from Limestone and Dolomite Formations. Dolomites are similar to Limestone in Mauddud Formation with the exception that they generally action more slowly with hydrochloric acid (HCL). The problems and damage resulting from Formation can be very severe. Reduced permeability (K) due to the mobilization of the Formation material can shut off production itself. Four wells were used and the results obtained after the candidate wells selection for stimulation jobs will help the company to select the wells based on the model they choose. This paper shows the results of different acidizing methods with (selective acid treatment with coiled tubing packer, emulsified two phase retarded acid system, and combination of single phase retarded acid system with selective acid treatment and coiled tubing packer) for carbonate reservoir. Therefore acidizing can be used to improve productivity of production wells to reach two to three time of production oil well. Result show that the selective acid treatment with coiled tubing packer was most method to improve oil production in Badra Filed.