Drill Pipe/ Trenchless Drill Pipe
Product size
Normal outside diameter: Ø35mm ~ Ø244mm, wall thickness :2.5mm ~ 35mm
D Wire line coring pipe
Drill Pipe/Trenchless Drill Pipe
The drill pipe used for the horizontal direction drilling pipeline laying project.
Standard
API SPEC 5DP Specification for drill pipe
API BUL 5C2 The performance of casing , tubing and drill pipe
SY/T 6417 The performance of casing, tubing and drill pipe
SY/Y 6896.2 The technical specification of special pipe for petroleum and natural gas industry part2: Orientation crossing with drill pipe.
Specification | Grade | Yield strength/Mpa | Tensile strength Rm/Mpa | Elongation | Charpy V-impact(L-10-21)/J |
BL Series | BL140 | 965 ~ 1172 | ≥1034 | a | ≥80J |
BL150 | ≥1034 | ≥1103 | a | ≥80J | |
BL160 | ≥1103 | ≥1172 | a | ≥80J | |
Note: a as per the formula 7.3.2 OF API 5DP to count | |||||
