5 1/2” SCSSSVs for High-Pressure Well Control

SCSSSV

Also known as:

WRSCSSSV, WRSCSSV, Wireline Retrievable Safety Valve

5 1/2” SCSSSVs for High-Pressure Well Control

SCSSSV

Also known as:

WRSCSSSV, WRSCSSV, Wireline Retrievable Safety Valve

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Shipping:

Air freight

Delivery Time:

4 - 6 Weeks

Note:

The 5 1/2" SCSSSV is used in high-flow wells where larger ID is needed for production efficiency, ESP compatibility, and reduced pressure drop.

Executive Summary

The 5 1/2" Surface-Controlled Subsurface Safety Valve (SCSSSV) is designed to provide reliable well shut-in capability in emergency situations, helping prevent uncontrolled flow caused by equipment failure or damage. Its larger internal diameter enhances flow capacity and allows for easier passage of downhole tools, supporting more efficient well intervention and maintenance. Built with a self-equalizing, wireline-retrievable, surface-controlled flapper mechanism, the valve ensures fail-safe operation while minimizing mechanical wear. Rated for pressures up to 5,000 psi, it offers a balance of robust safety and operational flexibility for a wide range of well conditions.

Technical Specifications

Tubing Size 5 1/2" (139.70mm)
Landing Nipple Seal Bore 4.562”
Working Pressure 5000 PSI
Valve ID 2.38”
Valve Type Flapper Type
Control Type Surface Controlled
Retrievability Wireline Retrievable
Installation Location Upper Wellbore
Material Flapper made from solid bar stock
Equalizing Self Equalizing

Features and Benefits

  • Surface-controlled, wireline-retrievable flapper mechanism.
  • Designed for emergency well shut-in to prevent uncontrolled flow.
  • Sealing surfaces positioned outside the flow path when open to reduce wear.
  • Enhances valve longevity by minimizing erosion and mechanical wear.
  • Self-equalizing mechanism to reduce pressure differential during operation.

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Detailed Description

Available sizes: 2 3/8”, 2 7/8”, 3 1/2”, 4”, 4 1/2”, 5”, 5 1/2'” and 7”.

The 5 1/2" Surface-Controlled Subsurface Safety Valve (SCSSSV) serves a critical safety function by enabling rapid well shut-in if uncontrolled flow occurs due to equipment malfunction or damage. Positioned in the upper section of the wellbore, this valve acts as a barrier to isolate the production pathway, helping to prevent uncontrolled release of fluids and protect personnel, equipment, and the environment.

Its fail-safe design means that any loss of control pressure or system failure causes the valve to close automatically, ensuring well integrity even in emergency situations. The valve uses a wireline-retrievable flapper mechanism that is surface-controlled, allowing operators to maintain or replace key components without pulling the tubing string—significantly reducing downtime and operational costs.

Engineered for wells utilizing 5 1/2" (139.70 mm) tubing, this valve fits landing nipples with a 4.562” seal bore and supports working pressures up to 5,000 psi. The internal valve diameter of 2.38” is designed to balance flow efficiency and tool passage capability. Additionally, by positioning the sealing surfaces outside the flow path when open, the valve minimizes wear caused by erosive fluids, enhancing durability and service life.

This SCSSSV provides a reliable, maintainable solution for well control in demanding operational environments, combining robust construction with practical features to support continuous production and rapid emergency response.

Engineering Data