
Introduction
Reliable maintenance management is critical for oilfield equipment performance, operational safety, and equipment service life. High-pressure petroleum equipment often operates under demanding working conditions, including heavy load, abrasive fluid environments, and continuous operation cycles.
Improper maintenance may lead to:
- Pressure instability
- Fluid leakage
- Abnormal vibration
- Premature component wear
- Unexpected shutdowns
- Increased operating costs
Our technical support center provides practical maintenance information for drilling equipment, pumps, fluid systems, and oilfield machinery used in industrial petroleum applications.
Daily Equipment Inspection
Fluid End Inspection
The fluid end is one of the highest-wear components in high-pressure pumping systems. Operators should inspect the fluid end regularly for:
- Surface cracking
- Abnormal wear
- Seal leakage
- Pressure fluctuation
- Connection looseness
Regular inspection helps reduce the risk of sudden equipment failure during operation.

Recommended Inspection Cycle
|
Inspection Item |
Recommended Cycle |
|
Surface inspection |
Daily |
|
Pressure check |
Daily |
|
Seal inspection |
Every 200 hours |
|
Internal component inspection |
Every 500 hours |
Lubrication System Maintenance

Proper lubrication reduces bearing wear and overheating during continuous operation.
Operators should regularly inspect:
- Lubrication oil level
- Oil contamination
- Oil temperature
- Bearing condition
Contaminated or insufficient lubrication may accelerate mechanical wear and reduce equipment lifespan.
Recommended Maintenance
|
Maintenance Item |
Recommended Cycle |
|
Oil level inspection |
Daily |
|
Lubrication replacement |
Every 200–300 hours |
|
Bearing inspection |
Every 500 hours |
Seal & Packing Inspection
Seal systems are critical for maintaining stable pressure performance.
Damaged seals may cause:
- Fluid leakage
- Unstable pressure
- Reduced pumping efficiency
- Abnormal internal wear
Operators should immediately replace damaged seals to avoid secondary equipment damage.

Common Equipment Problems & Troubleshooting
Stable pressure is critical for maintaining safe oilfield operation.
Abnormal Pressure Fluctuation
Possible Causes
Worn valve seats
Damaged seals
Insufficient suction pressure
Fluid end wear
Air entering the system
Recommended Solutions
Inspect valve assemblies
Replace damaged seals
Verify suction line condition
Inspect fluid end components
Possible Causes
Bearing wear
Loose connection components
Shaft misalignment
Unstable foundation support
Recommended Solutions
Inspect bearing condition
Tighten connection points
Verify shaft alignment
Inspect installation stability
Continuous abnormal vibration may increase structural fatigue and shorten equipment service life.
Common Leakage Areas
Seal assemblies
Hydraulic connections
Pipe joints
Valve systems
Maintenance Recommendations
Replace worn seals
Inspect pipe connection tightness
Check hydraulic pressure stability
Verify component compatibility
Possible Causes
Insufficient lubrication
Excessive operating load
Blocked cooling system
Internal friction increase
Recommended Solutions
Replace lubrication oil
Reduce overload operation
Inspect cooling system
Check bearing condition
Spare Parts Maintenance Guide
High-Wear Components
The following components require regular inspection and replacement during oilfield operation:
|
Component |
Common Wear Problem |
|
Plunger |
Surface wear |
|
Valve Seat |
Pressure damage |
|
Seal Assembly |
Leakage |
|
Packing |
Abrasion |
|
Bearing |
Overheating |
Regular replacement helps reduce unplanned shutdown risk.
Technical Support Services
Maintenance Assistance
Our technical team supports customers with:
- Equipment maintenance recommendations
- Troubleshooting assistance
- Spare parts selection
- Replacement guidance
- Operational support
Spare Parts Supply Support
We provide spare parts support for petroleum equipment and oilfield machinery applications.
Available support includes:
- OEM spare parts
- Customized components
- Export packaging
- Technical matching assistance
Technical Documentation Support
Technical documentation may include:
- Maintenance manuals
- Inspection procedures
- Operation guides
- Spare parts recommendations
- Technical specifications
Why Customers Choose Our Technical Support
Practical Oilfield Maintenance Experience
We understand the operating conditions and maintenance challenges of petroleum equipment in industrial environments.
01
Stable Spare Parts Support
Reliable spare parts supply helps reduce downtime and improve maintenance efficiency.
02
Technical Communication Efficiency
Our team supports technical communication for distributors, contractors, and oilfield service companies.
03
Export Service Support
We support international customers with export coordination, packaging, and project supply assistance.
04
Office Area






Maintenance workshop


Finished product warehouse, raw material warehouse








Technical Specifications for High-Voltage Component Maintenance



Hydraulic End Maintenance and Care Guide









