Wellhead Equipment is a critical set of components installed at the surface of oil and gas wells to provide structural support, pressure containment, and controlled access to the wellbore. It ensures safe drilling, completion, and production operations while maintaining well integrity.
I.Product Features
Integrated Structural Support and Sealing Design
As the core component of the wellhead system, the wellhead equipment provides reliable structural support for the casing string while achieving multi-layer sealing to effectively prevent fluid leakage and ensure wellhead safety.
Strong High-Pressure Control Capability
It possesses excellent pressure-bearing capacity, enabling stable operation under high and ultra-high pressure conditions, achieving precise control of wellbore pressure, and ensuring safety throughout the drilling, completion, and production processes.
High-Strength Materials and Precision Manufacturing
Made with high-strength alloy steel, manufactured through precision machining and heat treatment processes, it possesses excellent:
- Pressure Resistance
- Corrosion Resistance
- Fatigue Resistance
- Adaptability to complex and harsh oil and gas well environments.
Multi-Component Integrated Design
The system typically consists of casing heads, tubing heads, short sections, valves, and connecting adapters, with a modular structure that can flexibly adapt to different well types and operating conditions.
Excellent Sealing and Well Control Performance
Through a multi-stage sealing structure and reliable connection methods, it effectively maintains wellbore integrity and provides a safe interface for the blowout preventer assembly (BOP) and subsequent production equipment.
High Operational Flexibility
Supports switching between multiple stages of operations, including drilling, testing, completion, and production, meeting the control requirements of different operational processes.
High Standardization and Compatibility
Product design and manufacturing comply with international standards such as API and ISO, ensuring:
- Compatibility with mainstream well control equipment
- Unified installation and maintenance specifications
- Strong global versatility
High Safety and Reliability
After rigorous testing and verification, it possesses long-term stable operation capabilities, effectively reducing the risk of blowouts and leaks, and improving overall operational safety.
II.Scope of Application
Oil and Gas Drilling Operations
Used in the drilling stage of onshore and offshore oil and gas wells, providing support and sealing for the casing system.
Well Completion Engineering
Serves as a key connection and control node during well completion, achieving wellbore isolation and equipment installation.
Oil and Gas Production Stage
Used to connect the wellhead (gas) tree and production equipment, control oil and gas flow, and ensure safe production.
Well Control System Integration
Serves as the basic connection platform for blowout preventer (BOP) assemblies and well control devices, ensuring stable operation of the well control system.
High Pressure, High Temperature, and Complex Well Conditions
Suitable for harsh environments such as deep wells, ultra-deep wells, high-pressure wells, and high-sulfur (H₂S) wells.
Onshore and Offshore Engineering
Widely used in onshore oilfields, offshore platforms, and deep-water operating environments.
III. Product Advantages
High Safety: Multiple seals + high-pressure bearing design
Strong Adaptability: Adaptable to various well types and complex operating conditions
Durable and Reliable: High-strength materials + strict manufacturing standards
Good System Compatibility: Meets international standards and is easy to integrate
Full Lifecycle Support: Convenient installation, operation, and maintenance
Product types and specifications：
| bore | 21/16～41/16 |
| Working pressure | 14～70MPa |
| Temperature | -29～129℃ |
