نمایش نتیجه 1 تا 3 از 3 نتیجه یافت شده برای ball sealers :
n: a cylindrical tube placed around the retrieving neck of a retrievable bridge plug to catch debris or frac balls.
a cylinder at surface to catch ball sealers before the fluid is routed through the choke.
n pi: balls made of nylon, hard rubber, or both and used to shut off perforations through which excessive fluid is being lost.
n: Made by nylon or ebonite. Used to block off the opening in the capital string and prevent fluid lossing when fracturing.
small, rubber-covered, hard centered balls that can seal individual perforations during a chemical treatment.
grouping the perforations in small groups usually to generate multiple, regularly spaced fractures using hydraulic diversion or ball sealers (etc.).
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