Geo Drill Pipe
Designed and engineered for challenging geothermal applications
Grant Prideco Geo Drill Pipe Configurations
The following table shows the most representative configurations utilized for Geo drill pipe. For performance values or further product descriptions, please contact your local Grant Prideco Sales representative.
Nominal size, weight and grade | Connection | Tool joint OD (in.) | Tool joint ID (in.) | Max MUT (ft-lb) | Tensile capacity (lb) |
|---|---|---|---|---|---|
3½ in. 15.5 ppf (0.449 in.) S-135 | NC-38 | 5 | 2⅛ | 15,900 | 451,100 |
3½ in. 15.5 ppf (0.449 in.) S-135 | GPDS™ 38 | 5 | 2 7 ⁄ 16 | 17,400 | 451,100 |
4 in. 15.7 ppf (0.380 in.) S-135 | Delta™ 391 | 4⅞ | 2 11 ⁄ 16 | 21,400 | 456,900 |
4½ in. 20.0 ppf (0.430 in.) S-135 | Delta™ 425 | 5⅜ | 3 | 30,300 | 482,800 |
5 in. 25.6 ppf (0.500 in.) S-135 | NC-50 | 6⅝ | 2¾ | 38,000 | 746,400 |
5 in. 25.6 ppf (0.500 in.) S-135 | GPDS™ 50 | 6⅝ | 3¼ | 43,000 | 746,400 |
5 in. 25.6 ppf (0.500 in.) S-135 | Delta™ 471 | 5⅞ | 3¼ | 37,900 | 746,400 |
5 in. 25.6 ppf (0.500 in.) S-135 | Delta™ 527 | 6½ | 3½ | 55,400 | 746,400 |
5 in. 25.6 ppf (0.500 in.) S-135 | Delta™ 544 | 6⅝ | 3⅝ | 58,300 | 746,400 |
5½ in. 24.7 ppf (0.415 in.) S-135 | 5½ Full Hole (FH) | 7 | 4 | 33,400 | 704,300 |
5½ in. 24.7 ppf (0.415 in.) S-135 | Delta™ 544 | 6⅝ | 4 | 50,300 | 704,300 |