Calcium Carbonate Plug
Calcium Carbonate Plug :
(n.) Well Completions. A temporary plug formulated with graded granules or flakes of calcium carbonate that are generally circulated into place as aslurry and allowed to settle out. Calcium carbonate plugs commonly are used to isolate lower production zones, either to enable a column of well control fluid to be placed, or to provide some protection for a lower zone while treating upper zones. Because of their high reaction rate with hydrochloric acid, calcium carbonate plugs are easily removed using commonacidizing materials and equipment
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