Quick facts on the assessment of personnel involved in pressurized sealing operations on pressure pipelines

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Some basic information on the assessments for personnel involved in pressure pipeline plugging operations. Pressure pipeline plugging is considered a type of special operation, and a special permit is required to carry out such tasks. Of course, to obtain this special permit, one must pass relevant examinations. Today, we will briefly discuss the knowledge that may be tested during these assessments. Professional knowledge: Classification, working principles, and applications of common equipment; classification and applications of common measuring instruments ； Classification, working principle, and applications of pumps ； Classification, working principle, and applications of hydraulic pumps ； Types, working principles, and applications of pipeline pigging devices ； Types, structures, and applications of L-O-R tees ； Types, structures, and applications of clamp valves ； Types, structures, and applications of hole-making machines ； Types, structures, and applications of occluders ； Types, structures, and applications of pipe breaking equipment. Sealing knowledge: Types of dynamic seals and their applications ； Types of static seals and their applications ； Types of flange seals and their applications. Process flow for pressure-containing plugging operations. Basic Safety Knowledge: Safety Knowledge for Hazardous Chemicals ； Basic safety knowledge for electrical work ； Basic safety knowledge for lifting operations ； Risk identification and protection during the hole plugging operation. Use and maintenance of safety facilities: Use and maintenance of pipeline safety valves, main pipeline emergency shut-off valves, high (low) pressure protection valves ； Use and Maintenance of Combustible Gas Detectors ； Use and maintenance of fire protection and extinguishing facilities ； Use and Maintenance of Respiratory Equipment ； Use and maintenance of explosion-proof tools. Basic knowledge of fire prevention, explosion prevention, poison prevention, static electricity prevention, and lightning protection: Basic knowledge of fire prevention and explosion prevention ； Oil and gas gas prevention measures ； Prevention of static electricity accidents ； Basic knowledge of lightning and its prevention. Emergency measures for sudden accidents and natural disasters: Emergency response measures for oil and gas leaks, as well as fire and explosion incidents ； Prevention and handling of solidification accidents in oil pipelines. ​Protection against personal injury and self-rescue: On-site treatment for those affected by oil and gas burns, as well as self-help and mutual rescue ； Emergency first aid at the scene for persons poisoned by oil and gas ； Electric shock prevention and on-site first aid ； Heat stroke prevention and emergency treatment ； Self-help, mutual assistance, and emergency treatment for individuals poisoned by mosquito bites. The above is a brief introduction to the basic knowledge related to the assessment of personnel involved in pressure pipeline plugging operations while under pressure.