Saver Sub – N. Sea 6-5/8 REG x NC50 (4-1/2 IF) | P/N 76666-2 | 10052108-001

The Saver Sub 76666-2 is designed to protect top drive and drill string connections during drilling operations. Featuring a N. Sea 6-5/8 REG box connection and NC50 (4-1/2 IF) pin connection, this saver sub acts as a sacrificial component to prevent thread wear and extend the life of primary drilling connections.

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Description

Saver Sub 76666-2 – N Sea 6-5/8 REG x NC50 (4-1/2 IF)

The Saver Sub (P/N 76666-2 | Oracle Part No: 10052108-001) is designed to protect top drive and drill string connections from excessive wear and thread damage during drilling operations. By acting as a sacrificial component between critical drilling connections, the saver sub helps reduce maintenance costs and extends the operational life of drilling equipment.

Connection Configuration

This saver sub features a 6-5/8 REG (North Sea) box connection and an NC50 (4-1/2 IF) pin connection, making it suitable for a variety of drilling assemblies used in demanding oilfield environments.

Durable Construction for Harsh Drilling Environments

Manufactured from high-strength alloy steel, the saver sub is engineered to withstand high torque loads, heavy drilling operations, and harsh offshore and onshore drilling conditions.

Benefits of Using a Saver Sub

  • Protects top drive and drill string threads
  • Reduces connection wear and maintenance costs
  • Extends service life of primary drilling connections
  • Designed for high torque drilling operations
  • Reliable performance in demanding oilfield environments

Part Numbers

  • Legacy Part Number: 76666-2
  • Oracle Part Number: 10052108-001

Connection configuration includes 6-5/8 REG (North Sea) box and NC50 (4-1/2 IF) pin connections in accordance with API drilling equipment standards.

Applications of Saver Sub 76666-2

The Saver Sub 76666-2 is commonly used in top drive drilling systems to protect critical threaded connections between the top drive and the drill string. By installing a Saver Sub 76666-2 in the drilling assembly, operators can significantly reduce thread wear and prevent costly damage to primary drilling components.

Saver Sub 76666-2 components are widely used in offshore and onshore drilling rigs where high torque and continuous drilling operations place heavy stress on threaded connections. The use of a sacrificial saver sub helps extend the service life of expensive drilling equipment.

Why Saver Sub 76666-2 Is Important

  • Protects expensive top drive connections
  • Reduces thread damage during drilling
  • Extends the life of drill string components
  • Improves reliability of drilling operations
  • Suitable for demanding oilfield environments

Why Choose Oil Well Direct?

Oil Well Direct supplies certified drilling equipment spare parts with:

  • 17+ years oilfield supply experience

  • Ready stock availability

  • Competitive pricing

  • Fast global shipping

  • Technical sourcing support

Contact us today for pricing, availability, and delivery details.

Explore our full range of Top Drive Parts for additional compatible components.

Additional information

Weight 100 kg
Connection Box

6-5/8 REG (North Sea)

Connection Pin

NC50 (4-1/2 IF)

Part Number

76666-2

Oracle Part Number

10052108-001

Equipment Type

Top Drive System

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