Coiled Tubing Sand Washing

Technical features
Sand production is one of the most common problems during oil and gas well production. Sand washing by coiled tubing has following features.
    This process makes it unnecessary to pull original string out of wellbore.
    This process makes kill job unnecessary.
    This process enables continuous circular sand washing when coiled tubing is put down into the well.
    Short construction period and high efficiency are guaranteed.
Variety of sand washing medium
    Water 
    Nitrified water
    Foam