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Home » Product Directory » Manufacturing & Processing Machinery » Petroleum Equipment & Machinery » Intergral Heavy Weight Drill Pipe

Intergral Heavy Weight Drill Pipe

Intergral Heavy Weight Drill Pipe
Intergral Heavy Weight Drill Pipe
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Product Description

Made from AISI 4145H alloy steel and fully heat treated, all its physical properties conform to the latest API Spec 7. Heavy drill pipe is the tansition section between ordinary kelly and drill collar. It can relieve the stress concentration of the combition of drill collar and kelly during the transition. Besides, it can provide drill pressure and reduce the linked area of drill stem and side wall, as well as wear rate of OD. There is an upset section in the middle of drill pipe. The drill pipe and joint are welded with cemented carbidehardbanding, which can effectively keep the pipe from wearing. HWDP can replace drill collar and solve series of problems appearing in the vertical well of softer geologic struction.

Its advantages are as follows:
1. Reducing torque in high-rpm or deep drilling.
2. Bring along the drill collar of stem within Less time 3. Reducing the tiresome damage of tool-joint connection4. Easy for the stem's handling and operating
5. Helpful for keeping the direction of directional well. Our IHWDP, Shaxi Weigao Intergral heavy weight drill collar, is welded with standard hardbanding on the two ends'joints and middle-upset section. Both pin and box end have one 4" hardbanding ( one 1" hardbanding on 18shoulder of the box end can be added according to customers' requirement) and the middle-upset section has one 3" hardbanding. The thickness of hardbanding is within 18 ofthe abutting surface ( it can be increased if needed)...

   
Company: Suzhou Unionflow-Tech Co., Ltd.

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