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  • FIG. 13 is a schematic logic diagram of a method of the invention for testing one or more producing zones of a wellbore, including the steps of pressuring up inside the coiled tubing to blow a burst disk in a ported sub; setting of all packers at the same time; opening a reversible check valve and a surface-controlled DH shut-in valve; allow a zone of the well to flow until flow rate is constant,
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