Specification Introduction
DTH drill pipes play a significant role in all DTH drilling, regardless of application, rock type, hole depth, or drill rig. The key features of a high-quality DTH tube are durability, accuracy, and manageability.
WOOKE drill pipe
1. Pipe body: cold draw seamless pipe, so the pipe has the accurate size, and good centralizer.
2. Pipe body's material is the same grade as Sandvik.
3. Thread connector: Heat and Ntrizing treatment, so the pipe is more durable and easier to load and unload.
4. Friction welding.
Standard DTH drill pipe for choice:
Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm
Length: 1000mm, 1500mm, 2000mm, 3000mm. 5000mm, 6000mm.
Thread: 2 3/8'' API REG, 2 7/8'' API REG, 3 1/2'' API REG, 4 1/2'' API REG, 2 3/8'' API IF, 3 1/2'' API IF
Driver Sub size for DTH hammer:
2 3/8'' API: 3.5'', 4'', 5'' DTH hammer
3 1/2'' API: 5'', 6'' DTH hammer
4 1/2'' API: 8'' DTH hammer