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Import Tool

LINER TOP EQUIPTMENT

The Liner Top Packer is run above a Liner Hanger to provide an annular seal in the casing and prevents formation breakdown, loss of cement slurry, and gas migration above the liner top during cement curing. Different Liner Top Packer models available can be mechanically or hydraulically set.

Features

                Optimizes well integrity and enhances well stability

                HPHT models rated up to 15,000 psi (103.42 MPa) and 450°F (232°C)

                 Variety of packer element configurations available to effectively match downhole conditions

                Options

                Wide range of tool sizes

                Hold-down slips

                V0 rated sealing capabilities

The Liner Hanger securely anchors a liner in the wall of a previous casing string. Liner hangers are available in a range of sizes and specifications to suit a variety of conditions, including onshore and offshore wells, HPHT environments and high hanging capacity requirements.

The Liner Hanger is made up of a mandrel, and one or more sets of slips and cone pads. Different models can be set mechanically or hydraulically. A Liner Hanger is typically run with a Liner Top Packer to make up a Liner Hanger System.

Features

                HPHT models rated up to 15,000 psi (103.42 MPa) and 450°F (232°C)

                Variety of slip designs available to effectively match downhole conditions

                Slips designed to maximize bypass flow area

Options

                 Wide range of tool sizes

                 Mechanical and hydraulic-set models available

                Functionality to rotate while cementing available

In rare occasions, due to a variety of reasons, liner hanger packers can fail or leak. Some of the more common reasons for packer damage are:

                     Excessive annular velocities from running speeds or pump rates

                Debris, scale, or solids across packer sealing area causing hanger skidding or ineffective seal

                Packer damage when running through BOP

                Casing wear at setting depth

                Exceeding technical or pressure ratings of selected liner hanger and packer

                Casing metallurgy or ID installed differs from specification provided

The liner top repair system utilizes a liner packer primarily run on drill pipe to repair a liner lap leak or in monobore liner top completions. The packer can also be run when tying back a liner to surface or scabbing across damaged casing above the liner.

The Liner Repair Packer operates using a mechanical or hydraulic setting tool and a liner setting sleeve with a polished bore receptacle (PBR) extension. The straight slack off weight setting mechanism eliminates pipe rotation, hydraulic setting ports and plugs or balls to set the packer.

Features

                 Forms a pressure tight seal between the annulus of the casing and the liner

                Slips anchor the packer to prevent movement during operations

                Elastomer and metal seal elements ensure sealing integrity

Options

                 Wide range of tool sizes

                Compatible with range of casing weights

                Double-grip slips available to handle high tensile or compressive forces

                HPHT models available