Parveen Industries Pvt. Ltd. Designs and manufactures Drill Collars. The Drill Collars falls in the category of Tubular, Drilling, Work-over Tools and Cementing Tools. Parveen Industries Pvt. Ltd. Is an ISO 9001:2000 certified company. In the Drill Collars, the permeability shall be less than 1.010 through the entire length and the level of such permeability to be uniform. This level of permeability remains stable despite fluctuation of local plastic deformation and temperature fluctuation during operation. The stainless steel drill collars are subject to cracking due to conjoint action of tensile stress and certain specific corrodents. This is called stress corrosion cracking. The Drill Collars are resistance to corrosion and the drill collar bodies are inspected ultrasonically full length over the circumference of the body before boring.
Drill Collars - Indian Products Directory