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Subsurface safety valve-well completion
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Overview

The AT-SCSSV surface controlled subsurface safety valve is innovative field-proven technology that reduces the number of typical safety valve failure modes. lts features include: wireline damage resistant flapper, nonelastomeric seal technology, and metal-to-metal containment of wellbore fluids in the closed position.

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1. Field-proven technology
2. Patented thru-the-flapper self-equalizing
3. Nonelastomeric dynamic seal assembly -withstands extreme pressures and temperatures exceeding 28,000 psi (l,931 bar) and 450°F (232°C)
4. Wireline damage resistant flapper - design protects sealingintegrity during wireline operations
5. No shifting sleeves required to communicate -impossible toinadvertently communicate the hydraulic chamber
6. Metal-to-metal seal technology-100% metal-to-metal sealing and containment of wellbore fluids when the valve is in the closed position
7. Optional chemical injection capability -injection mandrel within the TRSV eliminates the need for a mandrel above the valve and allows injection offluids directly into spring cavity for maximum effectiveness
One-quarter of all safety valve failures occur due to wireline damage during interventions into the wellbore. The AT-SCSSV incorporates the damage resistant characteristics flapper design to virtually eliminate this failure mode. This design ensures seal surfaces are protected from wireline contact even during accidental closure of the valve during wireline operations.

The AT-SCSSV can be tailored to your specific needs, with available options such as integral chemical injection capability, wireline damage resistant seal bores, and various control system stop seal versions. An optional thru-the-flapper self-equalizing system is also available to minimize operational expenses while maximizing productivity.
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