In oil and gas development, wellhead tools operate for long periods under complex conditions such as high pressure, high temperature, corrosive fluids, and cyclic loads.

In oil and gas well operations, the well control system is the primary safeguard for operational safety and blowout prevention. Wellhead tools, as key components

In offshore oil and gas development systems, subsea pipelines play a critical role in hydrocarbon transportation and system connectivity. Their operational safety directly affects production

In oil and gas drilling and workover operations, wellhead tools play a critical role in transmitting torque, maintaining pressure sealing, and connecting the wellbore to

In both conventional and unconventional oil and gas development, hydraulic fracturing has become a key technique for enhancing single-well productivity. As the critical interface between

Throughout the entire life cycle of an oil or gas well, wellhead tools perform essential functions such as pressure containment, sealing, connection, and operational switching.

With the growing application of CO₂ flooding and CO₂ sequestration technologies in oil and gas field development, CO₂ injection wells have become a typical type

In oil and gas well operations, wellhead tools play a critical role in connecting the wellbore to surface equipment, maintaining pressure seals, and enabling operational

In oil and gas development, wellhead tools are subjected to high pressure, high temperature, cyclic loads, and corrosive media over extended periods. The structural reliability

Wellhead tools are critical components that connect surface equipment with downhole systems in oil and gas operations. Their performance and safety directly impact the smooth

Wellhead tools are critical components in oil and gas operations, directly affecting the safety and efficiency of wellhead activities. With the development of the domestic

During the full lifecycle of oil and gas wells, wellhead tools are subjected to repeated pressure fluctuations, making them typical high-pressure cycling equipment. Compared with

As oil and gas development continues to move toward more complex well types, directional wells and horizontal wells have become key technologies for improving single-well

In oil and gas drilling and completion operations, wellhead tools play a critical role in connecting downhole tubulars, sealing pressure, and transmitting loads. Among all

In oil and gas drilling, completion, and wellhead installation operations, wellhead tools not only bear high loads and pressures but also undergo frequent make-up and

In oil and gas operations, the reliability of wellhead tools is critical to maintaining well safety. Torque calibration ensures that these tools can withstand their

In oil and gas development, wellhead equipment is critical for maintaining well integrity and controlling the flow of hydrocarbons. However, in low-temperature or frozen well

In oil and gas development, blowouts are among the most dangerous operational incidents, potentially causing injuries, equipment damage, and environmental pollution. The wellhead, serving as

In the development of shale gas and tight gas, wellhead equipment is a critical component for ensuring wellhead safety, improving recovery efficiency, and extending well

In oil and gas well stimulation, acidizing is a widely used and highly effective technique that dissolves formation blockage and enhances reservoir permeability. However, acid