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CIPDB › China Industry › Tools & Hardware › Drilling Tools

API 7-1 Oilfield Drill Collar/P550 P530 Non-Magnetic Drill Collar¹

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Drilling Tools Non-Magnetic Drilling Collar Drilling Collar

Goldenman Petroleum Equipment Co., Limited

Preview:

Product Description DRILL COLLAR 1. Material of API 7-1 Non-Magnetic Drill Collar Slick Drill Collar OD 79.4mm to 279.4mm: 4145H/4145H mod or Non-magnetic.2. Standard: API7-1, NS-1.A. Slick Drill CollarNote: Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar cankeep drill bit centralized and hole track by large rigidity. The Drill collar are manufactured strictly from API Spec7-1 andSY5411 standard.B. Spiral Drill CollarNote: Spiral drill collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from diffirentialpressure. The drill collars are manufactired strictly according to API Spec7-1 and Standard SY5144.C. Spiral Drill Collar With Elevator Groove And Slip GrooveNote: Elevator groove and slip groove made on box thread face of slick drill collar or spiral drill collar can be used as liftingsub and safety slip when trip out. The technical parameters for elevator groove and slip groove is as per API SPEC7-1. Hardbanding is optional at customers' requests.D. Non-magnetic Drill CollarThe as cold rooled finish on both ID and OD surface with unique technical process strengthen the structure and ensures the tools with optimal resistance to stress,corrosion,cracking and the mechanical performance is greatly enganced.High Quality API 7-1 NS-1 Non-Magnetic Drill CollarSpecifications for API 7-1 Non-Magnetic Drill Collar Slick Drill Collar OD 79.4mm to 279.4mm ConnectionsODmmIDmmLengthmmNC23-3179.431.89150NC26-3588.938.19150NC31-41104.850.89150 or 9450NC35-47120.750.8915 or 9450NC38-50127.057.29150 or 9450NC44-60152.457.29150 or 9450NC44-60152.471.49150 or 9450NC44-62158.857.29150 or 9450NC46-62158.871.49150 or 9450NC46-65165.157.29150 or 9450NC46-65165.171.49150 or 9450NC46-67171.457.29150 or 9450NC50-67171.471.49150 or 9450NC50-70177.857.29150 or 9450NC50-70177.871.49150 or 9450NC50-72184.271.49150 or 9450NC56-77196.871.49150 or 9450NC56-80203.271.49150 or 94506 5/8REG209.671.49150 or 9450NC61-90228.671.49150 or 94507 5/8REG241.376.29150 or 9450NC70-97247.676.29150 or 9450NC70-100254.076.29150 or 94508 5/8REG279.476.29150 or 9450

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Drilling Tools: API 7-1 Oilfield Drill Collar/P550 P530 Non-Magnetic Drill Collar

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