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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Non Magnetic Drill Collar Oil Field Drilling Tools 9150 and 9650mm API Certification
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... requirements of API Spec.Hardness range of 285-341HB and a charpy “V”notch impact value of 54 joules are guaranteed one inch below the surface When enquiries or orders,please specify: Slick or spiral ;...
Jiyuan City Kunyuan Forging Co., Ltd
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6 3/4" Non Mag Drill Collars NMDC Drilling Tool For Oil Gas
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...Drill Collars NMDC Oil Gas Drilling Tool API Drill Collar Spiral Drill Collar And Non Magnetic Drill Collar Introduction Non-magnetic drill collars have unusual design requirements and therefore bring unique corrosion resistance issues. The drill collar is the bottom component of the drill string. The weight of the drill generates a force on the drill bit on the drill generates to make it drill in. The stiffness of the drill......
Langfang Pangolin Drilling Tools Co., Ltd.
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NMDC Non Magnetic Drill Collar NC23 NC26 NC31 Thread
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...Drill Collar And NMDC Non Magnetic Drill Collar Drill collars are extra-heavy integral tools used to concentrate weight onto the drill bit so as to produce sufficient force for the drill bit to break rock efficiently while drilling. They are made of AISI 4145H or 4145H modified steel and are connected between drill pipes and drill bits. Our drill collar......
Dongying Oilman Machinery Equipment Co.,Ltd.
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Lightweight Drill Collar Slip Carbon Steel Material For Energy / Mining
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Drill Collar Slip Introduction: Type DCS Drill Collar Slip The Type DCS drill collar slips are designed and manufactured in API Spec 7K and SY5049-91.It is manufactured in a structure of multi-segment pieces with firm structure, light weight, and large holding range, which is easy to fit the changing of the external diameter of the drill collar......
XIAN ATO INTERNATIONAL CO.,LTD
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Deep Hole Water Well Drilling Tools Spiral Drill Collars 800kgs Heavy Weight
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... to drill pipe and centralize the drill bit. According to API Spec7-1 specifications, the material quality is 4145H that’s after heat treatment, thread hardening treatment and phosphate to better ......
Beijing Jincheng Mining Technology Co., Ltd.
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Non-magnetic drill collar, non-magnetic sub, NMDC NMsub
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Non-magnetic drill collar, non-magnetic sub, NMDC NMsub Our company supplys used hdd machine such as used goodeng, used xcmg, used drillto, used dwtxs, used dilong, used Vemeer, new and used drill rod, new and used mud pump, drilling tools like barrel ......
Shanghai Xiaou Industry Co., Limited
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Oilfield drilling tools API 2015 Best-selling drill collar and heavy weight drill pipe
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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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High Performance Trenchless Drilling Equipment Drill Collar Providing Weight
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High Performance Trenchless Drilling Equipment Drill Collar Providing Weight Description Drill collar is a component of a drill string that provides weight on bit for drilling. This kind of trenchless tool is a thick-walled tubular piece that is machined......
Jiangsu Sinocoredrill Exploration Equipment Co., Ltd
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30Pcs Titanium Coated Twist Drill Bit Mixed Set HSS Drill Bits for Metal Wood Plastic Drilling
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Item Specification Model No. 2607017401 Quantity 30 Pieces Drill Bit Type Twist Drill Bit Material High Speed Steel(HSS) Surface Treatment Titanium Coated Diameter Range 1.0mm - 10.0mm Standard DIN338 Applicable Material Metal / Wood / Plastic Shank ......
Chengdu Fantasitic International Trading Co., Ltd.
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