This paper describes the planning for an application of multi stage acid fracturing in a dual lateral well. It also highlights associated risks and methods to be used for risk mitigation. Multi-Stage Fracturing (MSF) is considered to be very challenging in dual lateral wells due to the challenges arising from (1) managing the losses after fracturing without damaging the reservoir and (2) isolating cemented junction (known as TAML level 4 junction) from high pressure required for fracturing and stimulation operations. The unique application of existing technologies such as flapper ceramic valve used in the mother bore and dissolving ball with ball seat installed in the upper lateral is a feasible solution to the challenge of severe losses. Moreover, the utilization of frac string equipped with seal assembly that stings into an extended Polished Bore Receptacle (PBR) helps in protecting the junction from high stimulation pressures. These technologies have been tailored to meet the application requirements. The success of this application will encourage exploring the potential for multi stage fracturing in more complex multi-lateral wells, such as tri-laterals, creating a positive impact on petroleum industry by enhancing production and achieving higher profitability from these wells with potential of reducing the number of wells to be drilled to achieve a desired production rate.
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