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JA Oilfield Heavy Weight Drill Pipe is an intermediate weight drill string member with drill pipe dimensions for easier handling. JA Oilfield offers heavy weight drill pipe in standard, spiraled and non-magnetic models. To optimize wear resistance, hardbanding is standard on tool joint connections and the center upset. This heavy duty hard metal application is a closely controlled welding process applied with an automatic hardbanding machine. Flush hardbanding is applied as follows: • 4” flush with OD and 1 inch on taper on the Box Connection End • 5” flush with OD on the Pin Connection End • 2 x 3” long bands on each end of the center upset API stress relief groove on pin and bore back relief feature on boxes are standard on the 4-½” and 5” Heavy Weight Drill Pipe. All connections are cold rolled, kemplated and furnished with pressed steel thread protectors. All connections are monogrammed with the API stamp.
Indicates the largest size drill collar to be run directly below Heavy Weight drill pipe. If drill collars larger than the maximum size shown are to be used, run at least three collars of the maximum size shown between the large drill collar and the heavy weight drill pipe.
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