China drill pipes Manufacturers Factory Suppliers
Drill pipe is one of the necessary components to any drilling rig designed to extract oil or other liquid materials from the ground. The drill pipe is not used for extraction. Instead, the hollow...
Drill Pipe Specifications: Pipe. Tool Joint...
Nov 02, 2017 · API Drill Pipe Upset Types. IEU (Internal-External Upset) – The tool joint OD is larger than the OD of the drill pipe and the tool joint ID is less than the ID of the drillpipe....
Jul 27, 2015 · Drill pipes, as you know, play a huge, perhaps underestimated role in the drilling industry. These tempered, hollow steel pipes, hardened against accidents and to withstand the...
Drill-pipe corrosion is a critical issue for any drilling operation, particularly under high-pressure, high-temperature downhole conditions. However, most laboratory studies have been conducted under...
OCTG Drill pipe – Pipe for Drilling. Drill pipe is a heavy, seamless tube that rotates the drill bit and circulates drilling fluid. It allows the drilling fluid to be pumped through the bit and back...
















