Model CS-1 Retrievable Packers are used for a variety of well treating and producing operations including squeeze cementing, formation fracturing, acidizing and testing. These double-grip, single-string packers have a full opening bore that allows unrestricted fluid flow and easy passage of wireline tools. They also include hydraulically actuated upper button type slips and a built in pressure relief unloader. They are available for 4 1/2" through 7 5/8" casing.
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