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Help Center5-1/2”oil Casing in Stock, 13Cr Oil Casing Available, End Processing Forms: NUE, EUE
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41/2” LTC Coupling Oil Casing
Oil casing is primarily used for drilling oil and gas wells and the transportation of oil and gas. It includes oil drill pipes, oil casings, and sucker rods.
Introduction to Oil Casing Coupling Types:
1. LTC (Long Thread Connector): Long round coupling. The long thread connection LTC has the same thread shape as STC and can be connected; however, such connections are generally not permitted because they can withstand different torque values.
2. STC (Stub (Short) Thread Connector): Short round coupling. Both STC and LTC threads belong to the API standard threads. The only difference is the length of the threads; LTC is longer, while STC is shorter. For a 41/2” outer diameter pipe, if the actual measured thread length exceeds 3 inches, it is generally considered LTC; if it is less than 3 inches, it is considered STC.
3. BTC (Buttress Thread Coupling): Buttress thread coupling.
Processable Casing Specifications:
41/2'', 5'', 51/2'', 65/8'', 7'', 75/8'', 85/8'', 95/8'', 103/4'', 113/4'', 133/8'', 16'', 185/8'', 20''.
Steel Grades:
J55, K55, N801, N80Q, L801, P110, L803CR, 9CR, 13CR, P11013CR (Super 13CR), 28CR, etc.
Coupling Types:
Short round coupling (STC), long round coupling (LTC), buttress coupling (BTC), and various high gastightness special couplings.
Production Process:
Hot rolling.
Product Use:
Used for drilling oil wells.
Packaging Method:
Steel straps/steel frames, or according to customer requirements.
Annual Supply Volume:
300,000 tons.
Our company strictly adheres to API Spec 5CT standards and the ISO 9001 international quality management system. We have manufacturing equipment, including CNC lathes, CNC coupling machines, automatic flaw detectors, CNC hydrostatic pressure testing machines, automatic marking machines, automatic painting and labeling machines, 16ton cranes, ultrasonic thickness gauges, and automatic feeding systems for production and testing.
While meeting domestic market needs, we provide highquality products and services to numerous enterprises and have established longterm supplier relationships with countries and regions such as Saudi Arabia, the United Arab Emirates, Sudan, Kuwait, and Turkey.
Corporate Purpose:
Integrity, Pragmatism, Mutual Benefit, WinWin.
Management Philosophy:
Based on humane management, we implement modern management throughout all departments and processes of the enterprise; marketoriented, adhering to integrity and legality, and achieving winwin situations with customers.
We always follow the principle of prioritizing people before tasks, insisting on equipment and scientific management as the foundation, and providing customers with highquality products. With a complete marketing network and service system, we ensure satisfactory service for our customers. We look forward to working together to create brilliance!
Contact:Bone
Email:Bone@dlpoctg.com
Whatsapp/WeChat /Tel: +86-18222899636
Send Inquiry to This Supplier
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