Slip-On Stop Collar In Red The Must-Have For Drill Pipe Sliding Prevention
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Jiangsu Service Petroleum Technology Co., Ltd
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Professional Manufacturer of API Drill Pipe, drill collar, heavy weight drill pipe
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...pipe. There is extra long EU tool joints on the two ends and long EU in the middle part, with the function of drill collar and drill pipe. Since the transition from the drill collar to the drill pipe section drastic changes , bending stress concentrates on the drill pipes. Therefore HWDP between drill collar and drill pipe......
Jiangsu Shuguang Huayang Drilling Tool Co., Ltd.
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ISO Drill Pipe & Collar Thread Protectors Lift Gap Based On API 5CT
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...Drill Pipe & Collar Thread Protectors W/ Lifting Ball Lift Gap Based On API 5CT The drill pipe lifting wire is another part required for transportation and storage of oil drill pipes and drill collars. The lifting wire has a handle, which is used to protect the threads on both sides and also facilitate transportation, preventing the threads at both ends of the drill pipe and drill collars......
Puyang Zhongshi Group Co., Ltd.
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Heavy Weight Spiral Drill Collars / Drill Pipe Api Oil Drilling Grade S135
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...und the drill collar to balance pressure preventing pressure block, so effectively avoid bit sticking from differential pressure. Spiral collar can also reduce the contact area between the wall and tubular body, so as to avoid from sticking phenomenon of...
Xi'an TianRui Petroleum Machinery Equipment Co., Ltd.
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Heavy Weight Drill Pipe 3 1/2inch 26.10 Lb ft Connection NC-38
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...Drill Pipe 3 1/2”, 26.10 Lb ft, Connection NC-38 A Heavy Weight Drill Pipe (HWDP) looks like a normal drill pipe except for an upset centered along the tube which helps to prevent excessive buckling. HWDP is used as a transitional stiffness section, typically between the stiff and rigid drill collars and the relatively light and flexible drill pipe......
ROSCHEN GROUP
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Coal Mining H22 Hex Tapered Water Well Drill Pipe
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...Drill Steel Rod , H22 Hex Tapered Hollow Drill Rod Color Custom Water Well Drill Pipe Brief Introduction Tapered drill rod is a further development of the integral drill rods. It usually has a forged collar to maintain the proper shank striking face position in the rock drill. Tapered drill rods effective lengths are measured from the collar to the bit end,which are usually from 0.6 meters to 3.6 meters. Hex tapered hollow drill...
Jinzhou City Shitan Machinery Equipment CO. LTD.
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API Heavy Weight Drill Pipe, HWDP
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...drill pipe is manufactured from AISI 4145H modified material according to API 7-1,thick-walled pipe called integral heavy weight drill pipe was developed to provided a gradual transition from the heavy drill collars to the relatively light weight drill pipe. This intermediate weight pipe has a wall thickness of approximately, and helps prevent stress concentration at the top of the drill collars. It also allows you to drill...
Shaanxi Haige Machinery Co.,Ltd
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Oil Field Equipment API-7-1 Heavy Duty Drill Pipe Stabilizer
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...drill tool stabilizers according to customer requirements. The Petroleum drilling tools of Huichi's mainly include Drill collars, Spiral drill collars, Non magnetic drill collars, Short drill collars, Drill tool stabilizers, Non magnetic drill tool stabilizers, Integral heavy weight drill pipes, Kellys, etc. The main function of the drill...
Shandong Huichi Industry and Trade Co.,Ltd.
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API Spec 5DP Drill Pipe, API Spec 7-1 Drill Collar, Professional Manufacturer by Tantu
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Specifications Oil Drill Pipe/Oil Casing Drilling Pipe/API 5DP Drill Pipe by Tantu NC50 API Drill Pipe by Tantu Oil Drill Pipe & Water Well Drill Pipe Flat Drill Pipe & Geological Drill Pipe Non-dig Drill Pipe & Drilling Joints OUR JOB IS TO SERVE... KEY ......
Chengdu Tantu Steel Co.,Ltd
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API 7-1 Drill String Components , HWDP Heavy Weight Drill Pipe
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...collar material according to SY/T 5146-1997,thick-walled pipe called integral heavy weight drill pipe was developed to provided a gradual transition from the heavy drill collars to the relatively light weight drill pipe. This intermediate weight pipe has a...
Dongying Oilman Machinery Equipment Co.,Ltd.
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