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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Non Magnetic Drill Collar Oil Field Drilling Tools 9150 and 9650mm API Certification
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API Spec Non Magnetic Spiral Drill Collar Oil Field Drilling Tools 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 property ......
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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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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High Quality API 7K DCS-S DCS-R DCS-L Drill Collar Slips Rotary Slips For Oil Drilling Rig Tools
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...Tools Description There are three kinds of model of DCS Drill Collar Slips:S,R and L. They can accommodate drill collar from 3 inch(76.2mm) to 14 inch(355.6mm) O.D..The handling sizes can be adjusted by changing the quality of inserts or slip body.They are...
Dongying Oilman Machinery Equipment Co.,Ltd.
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Oil Gas NC Thread AISI 4145H Spiral Drill Collar
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... pressure. The drill collars are manufactired strictly according to API Spec7-1 and Standard SY5144. The drill collars are made of modified AISI 4145H chromium molybdenum alloy steel. Our Spiral Drill Collar is made from AISI 4145H modified alloy steel,...
Xi'an TianRui Petroleum Machinery Equipment Co., Ltd.
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API C Type Drill Collar Slips Pipe Safety Clamp For Oilfield And Oil Well
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...Drill Collar Pipe Safety Clamp for Oilfield and Oil Well Basic Info. Use Oil Well Drilling Cutomerized Provide Wear Resistance Wear-Resisting Transport Package Wooden Case Specification According to the custom Origin China HS Code 8431431000 Production Capacity 1000piece/Month Product Description API 7K drill collar......
XIAN ATO INTERNATIONAL 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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Automated Surface Preparation for Oil Drilling Tools (Drill Collars & Drill Bits)
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...Oil Drilling Tools (Drill Collars & Drill Bits) 1. Project Overview A specialized service provider for the Oil & Gas industry required an advanced surface treatment solution to handle two distinct types of high-strength components: Workpiece A (Drill Collars): Long, thick-walled heavy-duty tubular or solid metal pipes. Workpiece B (Drill......
CoatTech Intelligent Equipment(Guangzhou) CO.,LTD
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