Oil and natural gas, water, steam, etc. are transported through pipeline pipes, and fluids are transported through pipeline pipes, including seamless pipes and welded pipes.
Drill Pipe
Fluid and gas transport
O.D 21.3mm-711.2mm W.T 1-120mm 1/2”—28” (SCH5S—SCH160、STD、XS、XXS )etc.
Steel Grade:Gade B 、Grade X42、Grade X52、Grade X60、Grade X65、Grade X70、Grade X80、Grade X100 PSL-1, PSL-2.
Drill pipe
Drill pipe Grade
Products
| Specification | Grade | Designation of Diameter | Wall Thickness | Usage |
Drill pipe | API 5DP |
E-75
| 60.3mm - 193.7mm | 4.0-25mm | |
X-95
|
G-105
|
S-135
|
※ Petroleum and natural gas industries -Steel Drill pipe
API SPEC 5DP:Specification for Drill Pipe
ISO 11961:Petroleum and natural gas industries -Steel drill pipe
SY/T-5200:Drill stem subs
IRP VOLUME 1 : CRITICAL SOUR DRILLING
Drill pipe
Mechanical performance
Specification
| Grade |
Yield
| Tensile Strength | Elonggation | Charpy Impact Average | SSC Requirement |
min | max | min | min | min |
ksi(Mpa) | ksi(Mpa) | ksi(Mpa) | % | ft-lb(J) |
API 5DP |
Group 1
| E75 | 75(517) | 105(689) | 100(689) | API 5DP formula | 32(43)
| - |
Group 3 |
X-95
| 95(655) | 125(724) | 105(724) | API 5DP formula | 32(43) | - |
G-105
| 105(724) | 135(931) | 115(793) | API 5DP formula | 32(43) | - |
S-135
| 135(931) | 165(1138) | 145(1000) | API 5DP formula | 32(43) | - |
Note
- SMYS: Specified Minimum Yield Strength
- SSC requirement: NACE test as per NACE TM0177 Method A Solution A
- Charpy Impact Average: Minimum average Charpy Impact Value at room temperature, 3/4 standard size (7.5 X 10mm2)
- (1)Minimum average Charpy Impact Value at –20°C, 3/4 standard size (7.5 X 10mm2)
- (2)Minimum average Charpy Impact Value at –60°C, 3/4 standard size (7.5 X 10mm2)