H2Shield Grades
Sour Service products better suited to your drilling conditions
NACE Specifications for Grant Prideco Sour Service Grades
The below table represents NACE specifications for Grant Prideco sour service grades. Note that conventional API high-strength grades consistently fail NACE testing.
Region | Product | Grade name | Tube/Tool Joint SMYS (ksi) | SSC resistance validation |
1 | drill pipe | H2Shield 105 MS | 105/120 or 130 | Prequalified at region 1 border |
1 | drill pipe | H2Shield 135 MS | 135/120 or 130 | Prequalified at region 1 border |
1 | HWDP | H2Shield 55 MS | 55/ 120 or 130 | Prequalified at region 1 border |
2 | drill pipe | H2Shield 120 S | 120/120 | Prequalified at region 2 border |
2 | drill pipe | H2Shield 125 S | 125/120 | Prequalified at region 2 border |
2 | HWDP | H2Shield 55S | 55/120 | Prequalified at region 2 border |
3 | drill pipe | H2Shield 95 SS | 95/110 | Order testing to NACE method A, solution A |
3 | drill pipe | H2Shield™ 105 SS | 105/110 | Order testing to NACE method A, solution A |
3 | HWDP | H2Shield™ 55 SS | 55/110 | Order testing to NACE method A, solution A |