drill pipe and drill collar drill pipe and drill collar

Drill Pipe Drill Collar Casing and Tubing Line Pipes at

Drill pipe, drill collar, casing tubing, and line pipe are our specialty. We supply quality drill pipes, standard heavy weight drill pipes, spiral heavy drill pipes, slick drill collars, spiral drill collars, non-magnetic drill collars, seamless oil casing, ERW oil casing, and

Drill Pipe and Collars - Givens International Drilling

Drill Pipe and Collars Givens International Drilling Supplies offers all types of drill steel for any application including geothermal, construction, geotechnical, exploration, mining, What is a Drill Collar - OCTG pipe products, leader Drill collars can be simply put into three categories according to their structure and material, namely the slick drill collar, the spiral grooved drill collar and the non-magnetic drill collar. The slick drill collar is normally a smooth thicked-wall tube, with a thickness in the range of 38 to 53, about 4 to 8 times of that of the drill

What is the difference between drill pipe and drill collar?

Much like drill pipe, drill collars are made in 31ft lengths and are screwed together vertically on the drilling rig. In contrast, to drill pipe, drill collars are thick-walled and heavy, with very limited flexibility.Drill collars are used at the bottom of the drill string, just above the drill bit.

We are the professional supplier who can meets all kinds of steel and fabrication requirements. If your required steel parts need cutting, welding, drilling, rolling, bending, forming, grinding, stamping and so on machining, we are ready to serve you.

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