Drill Pipe

Drill Pipe

Drill pipe, is hollow, thin-walled, steel or aluminium alloy piping that is used on drilling rigs. It is hollow to allow drilling fluid to be pumped down the hole through the bit and back up the annulus. It comes in a variety of sizes, strengths, and wall thicknesses, but is typically 27 to 32 feet in length.

Sizes of Drill Pipe

Drill Pipe
2-3/8" to 7-5/8" OD, Range 2 and 3

Heavy Weight
2-3/8" to 6-5/8" OD, Range 2 and 3

Drill Collars
2-7/8" to 14"

Types of Drill Pipe

Drill pipe
Heavy weight drill pipe
Tool joint
Pup joint

Upset of Drill Pipe

Internal Upset    IU
External Upset   EU
Internal-External Upset   IEU

Standard of Drill Pipe

Standard: API 5Ddrill pipe
Grade: E-75, X-95, G-105, S-135, R780, CR40

Manufacturing Process of Drill Pipe

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