Higher torque. Faster drilling. Lower cost of ownership.
3.500
13.30
Delta 377
4.750 × 2.563
19,500
4.000
14.00
Delta 391
4.875 × 2.688
21,400
4.500
16.60
Delta 425
5.250 × 3.000
26,000
Delta 494
6.250 × 3.250
47,800
5.000
19.50
Delta 527
6.500 × 3.750
49,800
5.500
21.90
Delta 544
6.625 × 4.000
50,300
5.875
23.40
Delta 576
7.000 × 4.250
59,200
6.625
27.70
Delta 663
8.000 × 5.000
86,600
Contact your Grant Prideco representative for further tool joint OD and ID configurations.
Delta Drill Pipe Connection Flyer