What is the purpose of a liner hanger?

A liner hanger, as the name suggests, secures and supports the liner. It uses mechanical slips to grip the inside of the casing a pre-determined distance above the casing shoe. The space between the liner hanger and the casing shoe is called the liner lap.

What is a liner hanger in oil and gas?

A device used to attach or hang liners from the internal wall of a previous casing string. Liner hangers are available in a range of sizes and specifications to suit a variety of completion conditions.

What is a liner in the oil industry?

1. n. [Drilling] A casing string that does not extend to the top of the wellbore, but instead is anchored or suspended from inside the bottom of the previous casing string.

What is a liner hanger packer?

Packers Plus liner hanger systems and liner top packers are uniquely designed to reduce operational risk, optimize well performance and provide operators with a range of options to efficiently anchor completion systems in a variety of applications.

What is production liner?

A production liner is a string of casing set across a production interval but does not extend all the way back the surface. Usually there is about a 500 ft (more or less) overlap between a liner and the casing string above. The production liner has the same function as a complete string of production casing.

What is expandable liner hanger?

Expandable Liner Hangers Designed for reliable liner hanger deployment, setting, and sealing while maintaining compatibility with conventional liner tubulars and float equipment for cemented liner applications.

What is a tie back liner?

Tie-back is a string to connect a liner back to well head. It is fairly common for oil and gas wells and they almost always run for geothermal with sometimes 2 on one well. Depending on where the wellhead is, the liner can be tied back to rig floor (platform) or seabed. …