31.8 mm Inside Diameter 9150 mm Length Drill Collar for Oil Well Drilling Oil Field Equipment
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COMPANY PROFILE We(SWS) is a professional company engaged in the development, manufacturing, sales and service of downhole oil tools; Advanced downhole tool manufacturing technology from the U.S. and Canada is used to provide casing accessories that exceed......
Jiangsu Service Petroleum Technology Co., Ltd
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Drilling Tool Stabilizer Non Magnetic Drill Collars 40CrMnMo 9450 mm Length API
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Drilling Tool Stabilizer Non Magnetic Drill Collars , 40CrMnMo 9450mm Length Description: Drill collars are manufactured from 4145H modified steel.Drill collars are bored and drifted to API Spec 7-1 and fully heated to meet or exceed the mechanical ......
Jiyuan City Kunyuan Forging Co., Ltd
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Oil Well API Non Magnetic Drill Collars 9450mm Heavy Weight
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... composition, and its mechanical properties are obtained through forging. When the magnetic field strength is 1×105/4marea/m, the relative permeability bias of non-magnetic drill collars is r≤1.010....
Langfang Pangolin Drilling Tools Co., Ltd.
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Non Magnetic Auger Oilfield Drilling Collar 9150 MM Length
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... collars and drill collars with slip grooves. Product Specifications Ф79 drill collar, Ф89 drill collar, Ф105 drill collar, Ф121 drill collar, Ф146 drill collar, Ф159 drill collar, Ф165 drill collar, Ф178 drill collar, Ф203 drill collar, Ф229 drill collar....
Shaanxi FORUS Petroleum Machinery Equipment Co., Ltd
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Drill Collars 3.125 Inch 3.375 Inch
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... and water quenched to obtain mechanical properties as specified by API Spec 7-1. Full mechanical and chemical mill test certifications are supplied with all drill collars. These mill test certifications guarantee a hardness range of 285 to 341 BHN and...
ROSCHEN GROUP
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REG Thread AISI 4145H Non Magnetic Slick Drill Collars
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.../8 to 11 inches. Besides the drill collars in the table below, we can supply other drill collars at customers' request. Trepanning and Heat Treatment: Drill collars are trepanned and drifted to API Spec 7-1. Full-length heat-treatment processes ensure that...
Xi'an TianRui Petroleum Machinery Equipment Co., Ltd.
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Oilfield drilling tools API size 5" length 13500 mm common drill collar
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Drill Collar features: • High quality, unique material • Special medium frequency heat treatment method • Meet the requirements of API SPEC7-1 • Aadvanced super magnetic method and mechanical properties •Strict quality management system •We can provide the common drill collar, Spiral drill collar,and non-magnetic Drill Collar......
Dongying Kangyu petroleum Engineering Technology Service Co.,Ltd
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8 1/4" Non Magnetic Oil Rig Drilling Spiral Drill Collar
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... chemical composition and achieved its mechanical properties by forging. When the magnetic field strength is 1 × 105 / 4π A / m, the relative permeability μr≤1.010 of the non-magnetic drill collar. The...
Langfang pangolin construction machinery co. LTD
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Oil & Well drilling API spec standard drill collar/ Slick drill collar, Spiral drill colla
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The surface finish of slick drill collar shall be hot-rolled and mill –finished. Spiral drill collar is to do slot turning outside the surface. Spiral groove on drill collar 's OD make the drilling fluid evenly, equal pressure, with less differential ......
Jiangsu Shuguang Huayang Drilling Tool Co., Ltd.
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API Standard Non Magnetic Drill Collar For Oil Field Well Drilling Pipe
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...drill bit and improving the rigidity of the drill string. Drill collars mainly play the following roles in the drilling process: (1) Apply drilling pressure to the drill bit; (2) Ensure the necessary strength under compression conditions; (3) Reduce the...
Shandong Huichi Industry and Trade Co.,Ltd.
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