NEFD Sliding Sleeve

The Model NEFD Sliding Sleeve is a high-temperature, downhole device designed to provide communication between tubing and casing. It offers versatility and precision, making it an essential tool for a wide range of well operations.

Applications

• Displacing kill or completion fluids.
• Allowing multiple zones to produce through a single tubing string.
• Selective testing and stimulation of individual zones.
• Circulating fluids to kill the well.
• Gas-lifting operations.
• Landing blanking plugs for well shut-in, tubing testing, or sleeve testing.
• Circulating inhibitors or methanol.

Features

• Non-Elastomeric O-Rings: Incorporates Teflon® encapsulated Viton O-rings for high-temperature resistance.
• Flexible Installation: Can be installed at any point in the tubing string.
• Multiple Sleeve Usage: Supports the use of more than one sleeve in the same tubing string.
• Thermal Resistance: Includes optional thermal kits rated up to 600°F (316°C).
• Durable Seals: Replaceable carbon/Teflon® Vee seals for extended service life.

Description

The Model NEFD Sliding Sleeve provides controlled communication between tubing and casing. It features replaceable Vee seals and non-elastomeric O-rings for enhanced durability in high-temperature environments.

The sleeve includes an F Landing Nipple profile, making it compatible with flow control devices like blanking plugs and separation tools. The EB Shifting Tool enables precise operation, with downward jarring to open and upward jarring to close. The design ensures the sleeve is unaffected by standard wireline activities, preventing unintended adjustments.

Specifications

• Tubing sizes: 1.900” to 5 ½”.
• Temperature range: -4°F to 335°F (-20°C to 204°C).
• Seal material: Teflon® encapsulated Viton O-rings and carbon/Teflon® Vee seals.
• Construction materials: 4140 L-80, 9 Cr, 13 Cr, and Incoloy 925.
• OD varies based on thread and application requirements.

Why Choose the Model NEFD Sliding Sleeve?

The Model NEFD Sliding Sleeve is an advanced solution for well operations requiring high performance and reliability. Its ability to support multiple installations, withstand extreme conditions, and offer precise flow control makes it a versatile and valuable tool for optimizing production.