Spotting Fluids to Free Stuck Pipe

Spotting Fluids to Free Stuck Pipe If the pipe becomes stuck, and pulling and working the string has failed to free the pipe, spotting fluids should be used around the stuck part of the string, in an attempt to eliminate the root cause of the sticking. Differential Sticking

Such fluids are designed to attack and break down the filter cake thus reducing the bond between the cake and the pipe.

The severity of differential sticking increases with time and therefore it is of utmost importance to take remedial action as soon as possible after occurrence of the . . .

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