Custom-Engineered Drill Stem Products

Project-specific solutions for specialized and demanding applications


In addition to a complete line of drill stem products and accessories, Grant Prideco has the resources to design, engineer, test, and produce custom drill stem products to meet specialized or unusually demanding applications. Extensive engineering resources include:

  • Drill stem design
  • Computer-aided design capability
  • State-of-the-art test laboratory
  • ABAQUS™ finite element analysis
  • Metallurgical analysis
  • Failure analysis
  • Machine shop support facilities

Grant Prideco maintains fully staffed engineering and metallurgical departments with decades of combined experience. Our teams of experts create custom designs according to specific customer requests, either by modifying standard products, designing custom tool joints, or formulating special metallurgy.

Custom-engineered designs are thoroughly tested and verified before delivery to the rig site. Most drilling conditions can be simulated at the Grant Prideco Engineering Technology Center, a full-scale, state-of-the-art tubular testing facility in Houston, Texas. Many major operators rely on us to deliver their world-class projects; our extensive capabilities, combined with industry-leading technology, result in optimum solutions for the most demanding drill string challenges.

Related Products

TT-M Connection

TurboTorque-M connections are the new standard for applications that demand a high-pressure gas-tight connection with faster makeup and improved performance.

Learn more

XT-M Connections

The industry’s first gas-tight, pressure-rated rotary-shouldered connection

Learn more

TF-M Rotary-Shouldered Connection

The TurboFrac-M connection is an enhanced, high-capacity, double-start connection designed for completion operations.

Learn more

CT-M Connections

eXtreme load gas-tight connections enhanced for demanding completion operations

Learn more

GT-M Connection

The GT-M connection is a low-torque, gas-tight connection ideal for use on intervention risers.

Learn more

Related Tools

Man on in a drilling cabin points to a screen

Grant Prideco Licensee Locator

Our licensed repair facilities provide 24/7 service and technical support around the globe for Grant Prideco products to ensure quality and availability.

Learn more
A closeup of a Grant Prideco Double-Shoulder Connection

Grant Prideco Connection Library

Access the most up-to-date technical documents and brochures for our Grant Prideco products.

Learn more