7in ExtremeGrip Casing: 10.36mm WT, Fast Ship
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000 m.t./month
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Specification
7" CementLock™ Production Casing
Cement Bond Booster: Diamond-pattern surface increases bonding strength by 40%
Design Highlights:
External Grooves: 1.2mm depth spiral pattern
Centralizer Slots: Pre-cut every 2.5m
Easy Cutting: Laser-marked cut points
Driller's Choice:
Oklahoma operators report 50% reduction in cement channeling issues. The grooves help maintain 360° cement coverage in deviated wells.
Parameters:
Weight: 29.0kg/m
Drift Diameter: 157.1mm
Thread Type: API Short Round
Help: Free cementing best practices guide + 24/7 engineering support
Petroleum Casing Product Information
1. Product Overview
J55 Steel Deep Well Casing, P110 High-Grade Drilling Casing
petroleum casing is strictly manufactured in compliance with API 5CT standards, covering mainstream steel grades such as J55, N80, and P110. It is suitable for wellbore reinforcement and formation isolation in onshore oilfields, offshore platforms, and complex geological environments, ensuring lifecycle safety of oil and gas wells.
2. Technical Specifications
Size Range:
Outer diameter 114.3 mm (4.5") to 508 mm (20"), wall thickness 6.2-25.4 mm, tolerances conform to API 5CT standards (outer diameter ±0.5%, wall thickness ±10%).Mechanical Properties:
J55 Grade: Yield strength ≥379 MPa, tensile strength ≥517 MPa;
P110 Grade: Yield strength ≥758 MPa, tensile strength ≥965 MPa;
Collapse resistance: N80 Grade ≥80 MPa, P110 Grade ≥138 MPa (tested per ASTM A370).
Thread Performance:
API round thread (BTC) sealing pressure ≥20 MPa;
Premium connections (e.g., BGT2) helium leakage rate ≤1×10⁻⁶ cm³/s (tested per ISO 13679 CAL IV).
3. Chemical Composition (Example: L80 Grade)
| Content | 0.25% | 1.20% | 0.45% | 0.50% | 0.25% | 0.020% | 0.010% |
| Note: Cr-Mo alloy design enhances H₂S corrosion resistance (H₂S partial pressure ≤0.3 kPa). |
4. Application Scenarios
High-Temperature & High-Pressure Wells:
L80-13Cr material withstands 180°C and CO₂ partial pressure ≤1 MPa (per NORSOK M-001).Shale Gas Horizontal Wells:
TP140TT high-collapse casing with internal pressure resistance ≥105 MPa, compatible with multi-stage fracturing.Deepwater Offshore Wells:
9-5/8" casing passes 30 MPa external pressure test, suitable for 3,000-meter water depth.
5. Production Process
Material Smelting:
Electric Arc Furnace (EAF) + LF refining, sulfur/phosphorus ≤0.015%;
Continuous casting billet Φ180-400 mm, central segregation ≤Class C 1.0.Hot Rolling:
Three-roll retained mandrel mill, wall thickness uniformity ≤5%;
Online spray cooling, final rolling temperature 900±20°C.Heat Treatment:
Quenching (920°C water cooling) + Tempering (620°C air cooling), hardness 22-32 HRC;
Sour-service pipes use HWQ process, grain size ≥ASTM 7.Quality Inspection:
100% ultrasonic testing (UT) for longitudinal defects (sensitivity Φ1.6 mm flat-bottom hole);
Full-length hydrostatic test (50-100 MPa, holding ≥10 seconds);
Drift test with API drift mandrel (100% pass rate).
6. Case Studies
Middle East Oilfield Project:
Delivered 13-3/8" P110 casing for 4,500-meter well depth, collapse resistance 120 MPa.
7" TP140TT casing supports 30-stage fracturing, boosting single-well output by 25%.
Key Features
J55/P110 Casing: High-strength, corrosion-resistant, compliant with API 5CT.
TP140TT Grade: Optimized for shale gas fracturing with extreme pressure resistance.
Deepwater Compliance: Certified for 3,000-meter offshore operations.
- Q: What is the production process of seamless steel tube?
- The delivery status of hot-rolled seamless steel tubes is generally hot-rolled and delivered after heat treatment. Hot rolled seamless steel tube after quality inspection after staff strict hand picked in quality inspection should be carried out after the oil surface, followed by cold drawing experiments, hot rolling process should be carried out after the perforation experiment, if perforated expanding too large to carry out straightening correction. After straightening, the device is sent to the flaw detector by the transfer device to carry out the flaw detection experiment. Finally, the label is attached and the specifications are arranged and placed in the warehouse.
- Q: Are steel pipes suitable for underground mining operations?
- Yes, steel pipes are suitable for underground mining operations. Steel pipes are known for their durability, strength, and resistance to corrosion, making them ideal for use in harsh underground mining environments. They can withstand high pressure and are capable of transporting various substances, such as water, air, or mining materials, with reliability and efficiency. Additionally, steel pipes can be customized to meet specific mining requirements, ensuring their suitability for underground operations.
- Q: Can steel pipes be used for fire sprinkler systems?
- Yes, steel pipes can be used for fire sprinkler systems. Steel pipes are commonly used in fire sprinkler systems due to their strength, durability, and fire-resistant properties. They are capable of withstanding high temperatures and are less prone to damage from fire, making them a suitable choice for such systems.
- Q: How are steel pipes used in power plants?
- Steel pipes are extensively used in power plants for various applications. One of the primary uses of steel pipes in power plants is for transporting fluids and gases. These pipes are used to carry water, steam, and fuel (such as oil or gas) throughout the power plant. The high strength and durability of steel make it an ideal material for these pipes, as they can withstand high pressure and temperature conditions. Steel pipes are also used in power plant boilers. They form an integral part of the boiler system, where they carry hot gases and steam. These pipes are designed to withstand extreme heat and pressure, ensuring the safe and efficient operation of the boiler. Additionally, steel pipes are used in the cooling systems of power plants. Water is circulated through these pipes to cool down the equipment, such as turbines and condensers. The pipes are designed to withstand corrosion from the cooling water and maintain the required flow rate and pressure. Furthermore, steel pipes are used in the construction of power plant structures. They are used for the fabrication of support structures, such as frames, platforms, and walkways. Steel pipes provide excellent structural integrity and can withstand heavy loads, making them suitable for such applications. In summary, steel pipes play a vital role in power plants by transporting fluids and gases, serving as a part of the boiler system, facilitating cooling processes, and providing structural support. Their strength, durability, and resistance to extreme conditions make them an essential component in the operation of power plants.
- Q: Can steel pipes be used for wastewater treatment?
- Yes, steel pipes can be used for wastewater treatment. Steel pipes are commonly used in various stages of wastewater treatment processes, such as conveyance, distribution, and collection systems. They are durable, corrosion-resistant, and can withstand high-pressure conditions, making them suitable for transporting wastewater efficiently and safely. Additionally, steel pipes can be coated or lined to enhance their resistance to corrosion and improve their performance in harsh wastewater environments.
- Q: Can steel pipes be used for transporting gases and liquids?
- Yes, steel pipes can be used for transporting gases and liquids. Steel pipes are commonly used for this purpose due to their durability, strength, corrosion resistance, and ability to withstand high pressures. Additionally, steel pipes are versatile and can be customized to meet specific requirements for different types of gases and liquids.
- Q: How do you protect steel pipes from external damage?
- One way to protect steel pipes from external damage is by applying a protective coating or paint. This can help prevent corrosion and other forms of physical damage caused by exposure to moisture, chemicals, or rough surfaces. Additionally, using pipe supports and installing guards or barriers can help shield the pipes from potential impact or accidental damage. Regular inspections and maintenance are also crucial to identify and address any signs of damage or wear in a timely manner.
- Q: How are steel pipes classified based on pressure ratings?
- Steel pipes are classified based on pressure ratings by assigning them different schedules, ranging from Schedule 10 to Schedule 160. Each schedule represents a different maximum pressure that the pipe can withstand, with higher schedules indicating higher pressure ratings.
- Q: What are the different types of steel pipe supports for overhead piping?
- There are several types of steel pipe supports for overhead piping, including beam clamps, pipe hangers, clevis hangers, and riser clamps.
- Q: How are steel pipes protected against corrosion in marine environments?
- Steel pipes are protected against corrosion in marine environments through various methods, such as applying protective coatings, using sacrificial anodes, employing cathodic protection, and implementing corrosion inhibitors.
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7in ExtremeGrip Casing: 10.36mm WT, Fast Ship
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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