Introduction Casing pipe is a large diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or well-bore.It is inserted into a well bore and cemented in place to protect both subsurface formations and the well-bore from collapsing and to allow drilling fluid to circulate and extraction to take place. PVC-U, unplasticised polyvinyl chloride is an ideal material for manufacturing well pipes as it is impervious to corrosion and chemical action, easy to handle and install, light in weight, non-toxic, and non-conductive. Its long service life makes it an economical choice over other materials.
1.PVC perforated pipes have a wide range of applications, and can be divided into well wall pipes, water filter pipes, ventilation pipes, rainwater collection pipes, asphalt pipes, etc. according to their uses.
2.Used in well-drilling engineering; drainage system; ventilation of grain storage and grain piles; rainwater collection and reuse; agricultural irrigation; water plant mud drainage and many other fields.
3.It is also used in airports, railways, highways, sports fields, parks, roof gardens, retaining walls, basements, tunnels, slope protection and drainage projects.
4.It can effectively reduce groundwater pressure, remove excess water, protect soil and buildings from damage due to seepage deformation, and protect flowers and trees from waterlogging.
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