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Supplier Resources. Additional Resources. More information related to Baker Hughes. Home Completions Liner hanger systems. Liner hanger systems Systems aimed to reduce well construction costs and risks.
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Sub Category. Sort by. CMC mechanical set liner hanger system. HMC hydraulic-set liner hanger system. Hyflo II liner hanger. Hyflo III liner hanger. But it is not run through the full depth of the well, as casing is, A liner hanger allows the liner casing below the liner hanger to be suspended in the previous casing string to reduce material cost and provide completion solution options. A seal is required at the top of the liner hanger to prevent transfer of fluid or pressures from either direction.
Liner hanger systems could be mechanical or hydraulic, premium or standard, rotating or non-rotating, conventional or expandable and pocket slip. The purpose of the liner hanger, aside from the structural well construction purpose already answered, is to isolate flow up inside of the liner rather than the annular space which would contribute in the event no liner hanger were set. Liners are used to save on metal costs, as since the pipe does not run to the top, and sometimes on cementing costs some liners are not cemented.
As the name suggests, you use liner hangers to fix liners in place. The feature that distinguishes a liner from a regular casing column is that it starts not at the top of the well, but at some point below ground usually deeper than m.
Mechanically or hydraulically set liner hanger systems that require high torque to drill the liner. Facilitate liner deployment with push, pull, and rotation capabilities ideal for high-temperature and thermal wells. Deploy long, heavy liners in challenging conditions—including deepwater, extended-reach, and HPHT wells—with expandable, metal-to-metal sealing for the life of the well. Solve problems with long casing strings by connecting a liner to a tieback string with full V0-qualified casing integrity.
Drill in, rotate, and reciprocate long, heavy liners in HPHT wells while maintaining maximum liner top integrity. Use conventional liner hanger systems with heavier axial loads by deploying an anchor that manages the loads. Manage the most challenging thermal applications—such as geothermal or steam assisted gravity drainage—with robust liner hangers designed for wells undergoing extreme temperatures and temperature cycling.
Simplify installation with rotation and improve reliability in thermal applications with nonelastomer elements. Maximize isolation and flexibility with liner hangers in conditions that exceed temperature and pressure limits for elastomers. Manage liner top debris, rotate into place, and keep fullbore access to the liner in thermal applications.
Reduce remediation costs in damaged thermal wells with a scab liner hanger designed to simplify and optimize repairs. Reduce remediation costs in damaged thermal wells with a scab liner hanger designed to simplify repairs and optimize cementing.
PDO achieves goal of maximizing local content while acquiring highly specialized equipment to withstand cyclic steam stimulation CSS. Eliminating a dedicated liner run through a high-loss gassy salt zone reduced rig time by multiple days. Casing Reconnect system creates a metal-to-metal seal without reducing the liner ID, saving days of rig time.
This article outlines unique practices of selective flotation technique covering the job specific features, its main risks and corresponding mitigation measures.
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