Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of peek seal ring for oil well equipment in China, also supports customized service. Please feel free to buy high quality peek seal ring for oil well equipment for sale here from our factory.
PEEK Seal Ring for Oil Well Equipment
Product Materials Description
- - High Temperature Resistance: PEEK material exhibits exceptional heat resistance, capable of withstanding temperatures up to 260°C for extended periods. Short-term exposure to even higher temperatures does not compromise its performance.
- - Chemical Corrosion Resistance: PEEK effectively resists the corrosive effects of various acids, alkalis, organic solvents, oils, and other chemical substances commonly found in oil wells. This ensures long-term sealing performance in harsh chemical environments.
- - High Strength and Rigidity: PEEK maintains a stable shape under high-pressure conditions, ensuring reliability and preventing deformation or breakage.
- - Wear-Resistant and Self-Lubricating: The smooth surface and low friction coefficient of PEEK seal rings reduce wear and tear. Their self-lubricating properties minimize friction with other components.
- - Low Hygroscopicity: PEEK has low water absorption, preventing degradation in humid or water-containing environments and maintaining optimal sealing performance.
PEEK seal ring for oil well equipment Application Description
- - Drilling Equipment: Ideal for sealing drill bits and drill pipes, preventing leaks of drilling fluids and ensuring smooth drilling operations.
- - Oil Production Equipment: Used in Christmas trees and wellhead devices to seal connections and moving parts, preventing oil and gas leaks and ensuring safe production.
- - Downhole Tools: Provides sealing and isolation in tools like packers and throttles, enhancing oil well efficiency and facilitating functions such as layered production and pressure control.
- - Measurement and Control Equipment: Ensures accurate measurement data and proper operation of control equipment by sealing sensors, valves, instruments, and connections.
PEEK seal ring for oil well equipmentAdvantages Description
- - Improved Equipment Reliability: PEEK's superior performance ensures stable operation in harsh conditions, reducing leakage risks and extending equipment life.
- - Reduced Maintenance Costs: Wear-resistant, corrosion-resistant, and high-temperature properties reduce seal replacement frequency, lowering maintenance efforts and costs.
- - Adaptability to Complex Conditions: Suitable for various oil well stages and locations, providing reliable sealing for exploration and mining operations.
Ensuring the Service Life of PEEK Seals
Proper Selection
- - Consider the Working Environment: Choose PEEK seals based on specific oil well conditions (temperature, pressure, chemical medium) to ensure optimal performance.
- - Match Equipment Requirements: Select seals that match the size and specifications of the sealing part for perfect equipment compatibility.
Correct Installation
- - Clean Installation Surface: Remove impurities from the sealing surface before installation to prevent damage or compromised sealing.
- - Use Proper Installation Methods: Follow installation procedures carefully, using specialized tools to avoid seal distortion or damage.
- - Control Installation Gap: Ensure an appropriate gap between the seal and sealing surface to prevent failure or damage.
Usage and Maintenance
- Control Working Parameters: Maintain stable operating parameters to avoid fluctuations that could stress the seal.
- Regular Inspection and Maintenance: Schedule regular checks to detect wear, aging, or cracks early, especially for critical components.
- Prevent Chemical Corrosion: Apply protective measures like anti-corrosion coatings or select PEEK grades with enhanced chemical resistance.
- Avoid Mechanical Damage: Protect seals from contact with sharp objects or hard surfaces during operation to prevent mechanical damage.
Storage Management
- Dry and Ventilated Storage: Store unused PEEK seals in a dry, well-ventilated area to prevent deformation or aging.
- Avoid Compression Deformation: Use appropriate containers to avoid permanent deformation that could affect sealing performance.
Product Physical Properties
| Physical Property | Parameter Value |
| Density | Approximately 1.30 g/cm³ |
| Water Absorption Rate | Less than 0.1% |
| Melt Flow Index (MFI) | Generally 5 - 20 g/10min (at 400℃, under a load of 2.16 kg) |
| Thermal Decomposition Temperature | Approximately 575℃ in air |
| Glass Transition Temperature (Tg) | Approximately 140 - 145℃ |
| Melting Point | Approximately 343℃ |
| Coefficient of Thermal Expansion | 45 - 50 µm/m·°C (unfilled type); for glass fiber reinforced type, approximately 15 - 20 µm/m·°C |
| Volume Resistivity | Approximately 10¹⁴ - 10¹⁵ Ω·cm |
| Dielectric Constant | Approximately 3.2 (at a frequency of 1 MHz) |
| Dielectric Loss Factor | Approximately 0.003 (at a frequency of 1 MHz) |
| Dielectric Strength | 15 - 20 kV/mm |
PEEK seal ring for oil well equipment FAQs
- - How Long Can PEEK Seals Operate in High-Temperature Oil Well Environments?
- PEEK seals can operate stably for several years at 260°C. Short-term exposure to higher temperatures is acceptable without significant performance loss.
- - How Does High Pressure Affect PEEK Seal Performance?
- PEEK seals rely on high strength and resilience to maintain sealing performance under high pressure. However, exceeding rated pressure limits can cause permanent deformation.
- - How Does PEEK Resist Chemical Corrosion?
- PEEK's stable molecular structure prevents chemical reactions with acids, alkalis, solvents, and oils, ensuring long-term performance in corrosive environments.
- - How to Select the Right PEEK Seals for Different Oil Well Equipment?
- Choose PEEK seals based on equipment type, size, and operational requirements, considering factors like pressure, temperature, and chemical exposure.
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