Drill Pipe API Specifications, Thread Types &Tables
The longest & major section of the Drill String Components is the Drill Pipe. Each joint of drill pipe consists of the tube body and the Tool Joint (connection). Therefore, in this article we shall discuss API drill pipe specifications (specs), description, classification & drill pipe connection thread types.

https://youtu.be/Z00h7Zv9ouQ

In general, D/Ps joints are available in three length ranges:

RangeLength, ft118-22227-30338-45

Range 2 is the most common.
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