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

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

Drill pipe
Heavy weight drill pipe
Tool joint
Pup joint

Upset

Internal Upset IU
External Upset EU
Internal-External Upset IEU

Standard

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

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