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China, Chinese Spec. Slick Drill Collar and Spiral Drill Collar1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Drilling ToolsDrill CollarDrill CollarSpiral Drill Collar
Dongying Lake Petroleum Technology Co., Ltd.
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Product Description API SPEC. Slick Drill Collar and Spiral Drill CollarI. Drill collar TypesNormally we are supply 4 types of drill collars as below: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 can keep drill bit centralized and hole track by large rigidity. The Drill collar are manufactured strictly from API Spec7-1 and SY5411 standard.B. Spiral Drill CollarNote: Spiral drill collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from diffirential pressure. The drill collars are manufactired strictly according to API Spec7-1 and Standard SY5144C. 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 lifting sub 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.II. Specification: Nominal sizeDdLmmDF(mm)Bending Strength ratiommInmminNC31-41(2-7/8IF)104.84-1/850.829150100.42.43:1NC35-47120.74-3/450.829150114.72.58:1NC38-50(3-1/2IF)127.0557.22-1/49150121.02.38:1NC44-60152.4657.22-1/49150/9450144.52.49:1NC44-60152.4671.42-13/169150/9450144.52.84:1NC44-62158.86-1/457.22-1/49150/9450149.22.91:1NC46-62(4IF)158.86-1/471.42-13/169150/9450150.02.63:1NC46-65(4IF)165.16-1/257.22-1/49150/9450154.82.76:1NC46-65(4IF)165.16-1/271.42-13/169150/9450154.83.05:1NC46-67(4IF)171.46-3/457.22-1/49150/9450159.53.18:1NC50-67(4-1/2IF)171.46-3/471.42-13/169150/9450159.52.37:1NC50-70(4-1/2IF)177.8757.22-1/49150/9450164.72.54:1NC50-70(4-1/2IF)177.8771.42-13/169150/9450164.72.73:1NC50-72(4-1/2IF)184.27-1/471.42-13/169150/9450169.53.12:1NC56-77196.87-3/471.42-13/169150/9450185.32.70:1NC56-80203.2871.42-13/169150/9450190.13.02:16-5/8REG209.68-1/471.42-13/169150/9450195.72.93:1NC61-90228.6971.42-13/169150/9450212.73.17:17-5/8REG241.39-1/276.239150/9450223.82.81:1NC70-97247.69-3/476.239150/9450232.62.57:1NC70-100254.01076.239150/9450237.32.81:1 III. PICTURES FOR REFERNCE IV. FAQHow can I place order? A: You can contact us by email about your order details, or place order on line. How can I pay you? A: After you confirm our PI, we will request you to pay. T/T (HSBC bank), L/C, D/P, Western Union are the most usual ways we are using. If you want to use other way, please tell me, we can discuss.What's the order procedure? A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr-epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 7-15days if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you. How do you take care when your clients received defective products? A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.
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