GA1 long-distance pipeline
a) Pipes conveying toxic, flammable and explosive gas medium with design pressure P>1.6MPa;
B) Pipes conveying toxic, explosive and flammable liquid medium with conveying distance (Note 1)≥ 200Km and common diameter DN≥ 300mm;
c) Conveyance of slurry medium with conveying distance ≥ 50Km and pipe nominal diameter DN ≥ 150mm.
2024
05-23
2. Pressure test of new pipeline through ball and sweep line
The ball sweeping line is an important process in the construction of long-distance pipeline. The construction method is to use compressed air to promote the pig to run in the pipeline to clean up the soil, welding slag and other debris.
2024
05-27
3. Plugging of pipeline openings
Pipe pressure drilling, a technique in which a mechanically connected or welded branch pipe is connected to a pipe or equipment in use, and then the pipe or equipment is drilled or cut inside the pipe to form an opening.
2024
06-19
With the development of pipeline management level, more and more pipeline companies and oil and gas production enterprises gradually began to carry out inspection of existing pipelines, through the inspection of the defect parts of the pipeline in advance, and then take reinforcement and repair measures, and then derived from the B- type steel sleeve reinforcement and repair method. B- type steel sleeve has the advantages of strong applicability, high safety and reliability, long repair life, basically no impact on pipeline transportation, and low comprehensive repair cost.
2024
06-19
The whole process of pipeline lining repair is composite hose lining (Inserted, IH) trenchless repair technology, which is to line a high-pressure continuous composite hose into the original metal pipeline to form a "pipe-in-pipe" composite structure. Under working conditions, the hose is close to the metal pipe.
2024
06-19
1. Equipment, machines and tools and personnel are on standby in the company. In case of emergency, they shall receive the notice of the owner and arrive at the scene of the accident within the specified time to carry out the repair work.
2024
05-27
7. Maintenance of station equipment
Pipe Class A epoxy repair sleeve is specially used for pipe repair and reinforcement of the scope of application of the product and the application of epoxy casing repair technology.
2024
05-27
The series of closed operation processes of using the same crude oil to form an oil jet to sequentially break the sludge at the bottom of a large crude oil storage tank, pump, separate and recover it, and then clean the tank wall with hot water is called crude oil storage tank cleaning and recovery technology.
2024
05-27
