DRILLING STABILIZERS

Integral blade stabilizer

The integral blade stabilizer has a single piece body made of 4145 H modified alloy steel, fully heat treated to 285-341 Brinell hardness and 40 ft x lb minimum impact strength.Integral stabilizers are available in either open design or tight design, near bit or string type. Connections are gauged to API standards. And their Stress relief grooves are cold rolled. Connections are phosphatized or plated copper, coated and equipped with thread protectors.

Through Ultrasonic testing and Magnetic testing the bodies are proved up to grade.

Hardfacing

The hardfacing is applied preferably by inserting tungsten carbide inserts into the surface of blades and their beveled. Other hardfacing types, such as welded tungsten carbide granular and tungsten carbide inserts set in powder spray deposit, are also available according to user's needs and/or drilling conditions.

On inquiries and orders please specify:

Hole size and type of stabilizer (string or near-bit)

• Drill Collar ID and OD

• Connections type and size

• API stress relief groove&Bore Back

• Open or tight design

• Right or left hand spiral

• Hardfacing type

• Float valve and hole

Technical Specifications