Oil & Gas Glossary 1.0
OIL & GAS TECHNICAL TERMS GLOSSARY
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Search Result for Retainer
sleeve valve
A valve in the bottom of a retainer. See wireline.
squeeze packer
A drillable service packer, a retainer.
cement retainer
A tool set temporarily in the casing or well to prevent the passage of cement, thereby forcing it to follow another designated path. It is used in squeeze cementing and other remedial cementing jobs.
retainer
A cast-iron or magnesium drillable tool consisting of a packing assembly and a back-pressure valve. It is used to close off the annular space between tubing or drill pipe and casing to allow the placement of cement or fluid through the tubing or drill pipe at any predetermined point behind the casing or liner, around the shoe, or into the open hole around the shoe.