Langfang Baiwei Drill Co., Ltd.
Langfang Budweiser drilling tool manufacturing Co., Ltd
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Rolling Pipe High Performance Black Or Customized Water Well Drill Pipe
Product Description
Down-the-hole drill pipes play an important role in all down-the-hole drilling, regardless of its use, rock type, hole depth or drilling rig. The key characteristics of high-quality DTH tubes are durability, accuracy and manageability.
Our DTH drill pipe is made of high-quality alloy. Both ends are threaded and friction welded to seamless steel pipe. High-pressure air is delivered to the DTH hammer through the DTH drill pipe, and the rotation force and pressure are transmitted to the DTH hammer at the same time.
| Drill pipe diameter (mm) | Drill pipe length (mm) | Wall Thickness (mm) | Type of threads | Spanner slot (mm) | |
| 3 1/2 | 89 | 1000-9144 | 6 | API 2 3/8"IF | square 70/64 |
| 4 | 102 | 1000-9144 | 8.38 | API 2 7/8"IF | square 76/89 |
| 4 1/2 | 114 | 1500-9144 | 8.38 | API 3 1/2"REG/IF | 89/95 |
| 5 | 127 | 1500-9144 | 9.19 | API 3 1/2"REG/IF | 89 |
| 5 1/2 | 140 | 1500-9144 | 10.00-25.4 | API 4 1/2'REG/IF or 4'FH | 114 |
| 6 1/4 | 168 | 3000-9144 | 10.00-25.4 | API 4 1/2'REG/IF or 4'FH | 127 |
| 7 | 178 | 3000-9144 | 12.7-25.4 | 5 1/2/FH/REG | 127 |
| 7 5/8 | 194 | 3000-9144 | 12.7-25.4 | 6 5/8/REG | 152 |
Main features
The drill pipe is a steel pipe with a thread at the tail, which is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or bottom hole device located at the bottom end of the drilling well. The purpose of the drill pipe is to transport the drilling mud to the drill bit, and together with the drill bit to raise, lower or rotate the bottom hole device. The drill pipe must be able to withstand huge internal and external pressures, twists, bends and vibrations. During the extraction and refining of oil and gas, the drill pipe can be used multiple times.
Used in
Water Well drill rods widely used in geological exploration, coal mining, water conservancy & hydropower, highway, railway, bridge, building construction etc.
The type have exploring water well rods, exploring water spiral drill rods, outburst-prevention drill rods, DTH drill rods, triangle drill rods, anchor-shank drill rods, extension rods, EU drill rods, RC drill rods, KLEMM drill rods, Ingersoll Rand drill rods etc.
About us
LangFang Baiwei Drill Co.,Ltd located in the center of Beijing, Tianjin and Hebei-Yongqing Industrial Area. Langfang Hebei.
Our company is a drilling tools manufacturing enterprisewith integration of design, geological, well, double wall, oil, auger and other special drilling pipes. And trenchless special drilling tools such as pilot guide bits,swivels, reamers, sub saver, pneumatic pipe rammer, pipe bursting machine.
We have specially invited domestic wellknown expert Mr.zhou shengfeng as our general manager who engaged in the HDD drilling tools and processing technology as technical consultant. A solid research team lays the foundation of product quality, new product development and after-sales service.
