Since 2012 Ural-Design-PNP Company has successfully milled frac ports with three-stage Stage FRAC arrangement using coiled tubing unit.

The Company was very thorough in approaching such technology as milling frac ports with multizone Stage FRAC arrangement. It examined the characteristics of the coiled tubing units at its disposal and chose units with most appropriate characteristics for performing operations in specific wells. The Company studied the emergencies faced by its competitors performing similar operations. It reviewed the diagram of Stage FRAC runin- hole operations performed by well the workover crew.

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