APPLICATION OF A NEW CEMENTING PIPE STRING IN TAOBAO OILFIELD

A new cementing pipe string was designed to shutoff water, put pipe string above the plug layer, setting bridge plug by increase pressure with surface pump truck, and inject some cement slurry into the well, increase pressure or lift pipe release, then takeout top tubing, and the cement slurry will concreting. This pipe string technique has throttle, check of back flow and releasing function, three well applications of this technique in Taobao Oilfield and all get achievement, it is easy to operate and should be widely used.