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Help CenterN80-P110 Grade Oil Tubing Direct Sales, 13Cr Oil Tubing & L80 Oil Tubing, Superior Quality & High Cost-Effectiveness
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N80P110 Grade Oil Tubing Direct Sales: Superior Quality and High CostEffectiveness, Meeting Diverse Needs
In the process of oil and gas extraction, oil tubing is a crucial component that connects downhole equipment to surface facilities. Its performance directly affects the efficiency of oil and gas transportation and the cost of extraction. The direct sales model of N80P110 grade oil tubing, combined with the diverse options of 13Cr oil tubing and L80 oil tubing, offers a perfect solution with superior quality and high costeffectiveness.
Product Features
High Strength and Corrosion Resistance: N80 grade oil tubing has good tensile strength and corrosion resistance, capable of working stably in complex downhole environments over the long term. P110 grade further enhances the resistance to collapse, enabling it to withstand higher pressures and making it suitable for deep wells and highpressure wells with complex conditions.
Diverse Material Options: In addition to the traditional N80 and P110 grade oil tubing, we also offer 13Cr oil tubing, which has higher corrosion resistance and is particularly suitable for oil and gas wells containing corrosive media such as hydrogen sulfide and carbon dioxide. Compared to L80 oil tubing, 13Cr oil tubing performs better in terms of corrosion resistance.
Advanced Manufacturing Process: The advanced seamless steel pipe manufacturing process ensures the uniform wall thickness and roundness of the tubing. Each tube undergoes strict inspection, including dimensional accuracy, surface quality, mechanical properties, and hydrostatic testing, to ensure that the product quality meets international standards.
Applications
Conventional Oil and Gas Wells: N80 grade oil tubing is suitable for conventional oil and gas wells with depths ranging from 2000 to 3000 meters.
Deep and HighPressure Wells: P110 grade oil tubing is suitable for deep wells and highpressure wells with depths exceeding 3000 meters.
Corrosive Environments: 13Cr oil tubing is suitable for oil and gas wells containing corrosive media such as hydrogen sulfide and carbon dioxide.
Price Advantage
Direct Sales Model: By eliminating intermediary links and supplying directly from the manufacturer to the customer, the delivery cycle is shortened, and procurement costs are reduced.
Customized Services: Customized production is provided based on the customer's well depth, well diameter, and extraction process to meet the needs of different customers.
Service Assurance
Technical Consultation: A professional technical team is available to provide support, including tubing selection recommendations, wellbore design consultation, and onsite installation guidance.
AfterSales Service: A comprehensive aftersales service system is in place to quickly respond to customer needs and promptly resolve any issues encountered during product use.
Choosing the direct sales of N80P110 grade oil tubing means opting for a superior quality and high costeffectiveness solution for oil and gas extraction. We are committed to providing a diverse range of product options and highquality services to support the efficient development of oil and gas extraction.
Advantages/Features:
1.Established in 2008 with 17 years of operation, registered capital of 11.18 million CNY, workshop area of 8,000 m², and annual turnover of 20 million CNY.
2.Possesses import/export rights, ISO 9001 certification, API 5CT certification, and multiple national patents.
3.Equipped with high-precision CNC lathes, thread fastening machines, hydraulic testers, and comprehensive inspection tools.
4.Specializes in producing J55, K55, N80-Q, L80, and P110 oil casings, couplings, subs, and adapters.
5.Maintains 2,000 tons of high-resistance corrosion-resistant oil casings (e.g., 80S, 90S, 110S, L80-1Cr/3Cr/13Cr) in stock.
6.Offers custom threading (e.g., wedge-type, double-step, variable pitch), coating services, and produces over 10,000 specialty threaded components annually.
| OD (inch/mm) | Wall Thickness Range (mm) | Typical Chemical Composition | Application Scenarios |
| 4½" (114.3mm) | 5.21-15.88 | C 0.34-0.39%, Mn 1.25-1.50% (J55/K55) | Shallow oil wells, low-pressure gas wells |
| 5" (127.0mm) | 5.59-12.70 | C 0.34-0.38%, Mn 1.45-1.70% (N80) | Medium-depth wells, conventional oil/gas |
| 5½" (139.7mm) | 6.20-22.22 | C 0.15-0.22%, Cr 12-14% (L80-13Cr) | Sour gas wells, hydrogen sulfide (H₂S) environments |
| 6⅝" (168.3mm) | 7.32-12.06 | C 0.26-0.35%, Mo 0.15-0.25% (P110) | Deep wells, high-pressure gas reservoirs |
| 7" (177.8mm) | 8.05-12.70 | C 0.34-0.38%, Mn 1.45-1.70% (N80) | Shale gas horizontal wells, fracturing operations |
| 9⅝" (244.5mm) | 8.94-12.70 | C 0.15-0.22%, Cr 12-14% (L80-13Cr) | Ultra-deep wells, high-temperature/pressure reservoirs |
| 13⅜" (339.7mm) | 15.88 | C 0.34-0.39%, Mn 1.25-1.50% (J55/K55) | Surface casing, shallow cementing |
| 20" (508.0mm) | 20.62 | C 0.26-0.35%, Mo 0.15-0.25% (P110) | Offshore platform wells, large-diameter well completions |
Product Name: API-5CT Seamless Casing and Tubing
Steel Grade: J55, N80, P110, H40, K55, L80, L80-3Cr/9Cr/13Cr, M65, C90, T95, Q125
Material: 34CrMo4, H40, J55, K55, N80, L80, M65, C90, T95, P110, Q125
Standard: API 5CT/ISO 11960
Technique: Cold Drawn/Hot Rolled
Application: Oil and Gas Pipes
Outer Diameter Ranges:
Tubing: 48.26mm~114.3mm (1.05 inches~4 1/2 inches)
Casing: 114.3mm~762mm (4 1/2 inches~30 inches)
Wall Thickness: 2.87mm~30mm (compliant with API 5CT standards)
Length Ranges:Tubing:
R1: 6.10m~7.32m
R2: 8.53m~9.75m
R3: 11.58m~12.80m
Casing:
R1: 4.88m~7.62m
R2: 7.62m~10.36m
R3: 10.36m~14.63m
End-Finish Types:Tubing: P, I, N, U
Casing: P, S, B, L
Product Features:
Material Optimization:
Cr-Mo series steel with precise chemical composition control ensures resistance to Sulfide Stress Corrosion Cracking (SSCC).
Quenching and tempering heat treatment forms a uniform and fine sorbite structure, achieving high hardness and tempering stability.
Heat Treatment Process:
Strict temperature-controlled quenching and tempering guarantee consistent mechanical properties, narrow yield strength ranges, and controllable hardness.
Sulfide Corrosion Resistance:
Microstructure of fully tempered martensite is suitable for H₂S-containing acidic oil and gas environments.
Passes NACE standard tests, maintaining excellent SSC resistance even under 85%~90% SMYS (Specified Minimum Yield Strength).
Inspection Standards:
Non-destructive Testing:
Full-body inspection for longitudinal/transverse defects on inner and outer surfaces, with standard notch depth ≤5% of wall thickness.
Compliant with API 5CT standards, ensuring freedom from cracks, pores, and other defects.
Packaging & Delivery:
Packaging: Seawater-resistant steel shelves, iron pallets, or customized solutions per customer requirements.
Delivery Time: 20–55 days (varies based on order size and process complexity).
Minimum Order Quantity (MOQ): 20 tons.
Application Scenarios:
Sour Oil and Gas Fields: High-corrosion environments with H₂S and CO₂.
Deep/Ultra-Deep Wells: Resistant to high pressure and temperatures (up to 200°C+).
Cementing and Workover: Supports wellbore stability and isolates formation fluids.
Certification & Surface Treatment:
Certification: API pipe certification.
Surface Treatment: Black paint, varnish coating; cross-sectional shape: round.
Origin: China.
Note: This product is non-secondary processed and supports customization. Contact the supplier for technical agreements.
rrosion after 3-year exposure to brackish groundwater.
Specs:
Material: J55 steel (Yield strength: 55,000 psi)
Pressure Rating: 2,300psi burst / 1,800psi collapse
Certifications: API 5CT, ISO 11960
Support: Free API drift testing videos & 45-day delivery to North America
Critical Parameters
· Yield Strength: 758–862 MPa
· Charpy V-Notch Impact: ≥55J @ -20°C (Arctic Service Compliant)
· Dimensional Tolerance:
o OD: ±0.65% (API 5CT Table 7)
o WT: +10%/-8.5%
High-Temperature Performance
· Operational Limits:
o Temperature: -50°C to +204°C (Full CTE Compensation)
o H₂S Partial Pressure: ≤1.5psi (NACE MR0175/ISO 15156-2 Level II)
· Coating:
o Internal: 250μm Epoxy-Phenolic Lining (ISO 15741)
o External: 3LPP FBE Coating (ISO 21809-1)
Threaded Connection
· Type: TenarisBlue® TBHC Gas-Tight Thread (API 5B Premium)
· Sealing Capacity:
o Internal Pressure: 138 MPa
o External Pressure: 116 MPa
· Torque Monitoring: RFID-Embedded Shoulder Tag (Real-Time Data Logging)
Applications
· Ultra-deep HPHT wells (≥10,000m TVD, 140MPa Bottomhole Pressure)
· CO₂-EOR injection wells with cyclic thermal loading
· Arctic permafrost zones requiring low-temperature toughness
Testing & Certification
1. Destructive Testing:
o Full-Scale Fatigue Test (FSFT) @ 90% SMYS × 10⁶ cycles
o HTHP Autoclave Corrosion Test (30d @ 150°C, 15% HCl)
2. Non-Destructive Testing:
o Phased Array UT (ASME V Article 4)
o Eddy Current Inspection for Coating Integrity
Packaging & Delivery
· Anti-Corrosion Packaging: VCI Shrink Film + Desiccant Capsules (ISO 22088-3)
· Lead Time: 60 Days (CIF Rotterdam Port)
· Customization:
o Pre-installed RFID Collars for IoT Well Monitoring
o Field-End Bevel Protection with Biodegradable Caps
Formatting Consistency:
· Bolded Headers for hierarchical navigation
· Dual Units: Metric (Primary) / Imperial (Secondary)
· Risk Mitigation: Explicit thermal/chemical limits in red-line text
· Brand Integration: Licensed TenarisBlue® threading and ISO-certified coatings
Advantages/Features:
1.Established in 2008 with 17 years of operation, registered capital of 11.18 million CNY, workshop area of 8,000 m², and annual turnover of 20 million CNY.
2.Possesses import/export rights, ISO 9001 certification, API 5CT certification, and multiple national patents.
3.Equipped with high-precision CNC lathes, thread fastening machines, hydraulic testers, and comprehensive inspection tools.
4.Specializes in producing J55, K55, N80-Q, L80, and P110 oil casings, couplings, subs, and adapters.
5.Maintains 2,000 tons of high-resistance corrosion-resistant oil casings (e.g., 80S, 90S, 110S, L80-1Cr/3Cr/13Cr) in stock.
6.Offers custom threading (e.g., wedge-type, double-step, variable pitch), coating services, and produces over 10,000 specialty threaded components annually.
| OD (inch/mm) | Wall Thickness Range (mm) | Typical Chemical Composition | Application Scenarios |
| 4½" (114.3mm) | 5.21-15.88 | C 0.34-0.39%, Mn 1.25-1.50% (J55/K55) | Shallow oil wells, low-pressure gas wells |
| 5" (127.0mm) | 5.59-12.70 | C 0.34-0.38%, Mn 1.45-1.70% (N80) | Medium-depth wells, conventional oil/gas |
| 5½" (139.7mm) | 6.20-22.22 | C 0.15-0.22%, Cr 12-14% (L80-13Cr) | Sour gas wells, hydrogen sulfide (H₂S) environments |
| 6⅝" (168.3mm) | 7.32-12.06 | C 0.26-0.35%, Mo 0.15-0.25% (P110) | Deep wells, high-pressure gas reservoirs |
| 7" (177.8mm) | 8.05-12.70 | C 0.34-0.38%, Mn 1.45-1.70% (N80) | Shale gas horizontal wells, fracturing operations |
| 9⅝" (244.5mm) | 8.94-12.70 | C 0.15-0.22%, Cr 12-14% (L80-13Cr) | Ultra-deep wells, high-temperature/pressure reservoirs |
| 13⅜" (339.7mm) | 15.88 | C 0.34-0.39%, Mn 1.25-1.50% (J55/K55) | Surface casing, shallow cementing |
| 20" (508.0mm) | 20.62 | C 0.26-0.35%, Mo 0.15-0.25% (P110) | Offshore platform wells, large-diameter well completions |
Product Name: API-5CT Seamless Casing and Tubing
Steel Grade: J55, N80, P110, H40, K55, L80, L80-3Cr/9Cr/13Cr, M65, C90, T95, Q125
Material: 34CrMo4, H40, J55, K55, N80, L80, M65, C90, T95, P110, Q125
Standard: API 5CT/ISO 11960
Technique: Cold Drawn/Hot Rolled
Application: Oil and Gas Pipes
Outer Diameter Ranges:
Tubing: 48.26mm~114.3mm (1.05 inches~4 1/2 inches)
Casing: 114.3mm~762mm (4 1/2 inches~30 inches)
Wall Thickness: 2.87mm~30mm (compliant with API 5CT standards)
Length Ranges:Tubing:
R1: 6.10m~7.32m
R2: 8.53m~9.75m
R3: 11.58m~12.80m
Casing:
R1: 4.88m~7.62m
R2: 7.62m~10.36m
R3: 10.36m~14.63m
End-Finish Types:Tubing: P, I, N, U
Casing: P, S, B, L
Product Features:
Material Optimization:
Cr-Mo series steel with precise chemical composition control ensures resistance to Sulfide Stress Corrosion Cracking (SSCC).
Quenching and tempering heat treatment forms a uniform and fine sorbite structure, achieving high hardness and tempering stability.
Heat Treatment Process:
Strict temperature-controlled quenching and tempering guarantee consistent mechanical properties, narrow yield strength ranges, and controllable hardness.
Sulfide Corrosion Resistance:
Microstructure of fully tempered martensite is suitable for H₂S-containing acidic oil and gas environments.
Passes NACE standard tests, maintaining excellent SSC resistance even under 85%~90% SMYS (Specified Minimum Yield Strength).
Inspection Standards:
Non-destructive Testing:
Full-body inspection for longitudinal/transverse defects on inner and outer surfaces, with standard notch depth ≤5% of wall thickness.
Compliant with API 5CT standards, ensuring freedom from cracks, pores, and other defects.
Packaging & Delivery:
Packaging: Seawater-resistant steel shelves, iron pallets, or customized solutions per customer requirements.
Delivery Time: 20–55 days (varies based on order size and process complexity).
Minimum Order Quantity (MOQ): 20 tons.
Application Scenarios:
Sour Oil and Gas Fields: High-corrosion environments with H₂S and CO₂.
Deep/Ultra-Deep Wells: Resistant to high pressure and temperatures (up to 200°C+).
Cementing and Workover: Supports wellbore stability and isolates formation fluids.
Certification & Surface Treatment:
Certification: API pipe certification.
Surface Treatment: Black paint, varnish coating; cross-sectional shape: round.
Origin: China.
Note: This product is non-secondary processed and supports customization. Contact the supplier for technical agreements.
Tianjin Grand Victory Petroleum Equipment Co., Ltd. is a comprehensive enterprise for production, processing, sales, technology research and development, and spot storage. Located in Jinghai District, Tianjin, China, it was founded in 2008 with a registered capital of 11.18 million yuan. It has import and export rights, ISO9001 quality system certification, American Petroleum Institute API 5CT certification and a number of national patent certificates. The production workshop is equipped with several types of equipment such as highprecision CNC lathes, thread tightening machines, hydraulic presses, etc., and complete inspection and measurement instruments. Products include J55, K55, N801/Q, L80, P110 and other oil casing, couplings, Pup Joint、Xover （Cross over）; 80S, 90S, 110S, L801Cr/3Cr/13Cr and other highcorrosion resistant oil casing spot storage, with a longterm reserve of about 2,000 tons. At the same time, it undertakes the processing and copper plating of special sealing threads such as direct connection, wedge shape, double step, variable pitch, etc. for oil well pipes and petroleum accessories, with fast delivery and excellent quality, reducing costs and increasing efficiency for customers. Our vision: to build an international oil pipeline equipment enterprise with integrity and innovation. We welcome leaders and friends from all walks of life to visit us for cooperation and common development.
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