Sidetrack Drilling In Oil Well Techniques & Procedures
Sidetracking Wells is drilling a hole around unrecoverable junk, such as a stuck drill string ( Check also Pipe Sticking problem), it is necessary to place a cement plug above the junk at a required depth that will allow sufficient distance to kick off the cement plug and drill around, bypassing, the original hole and junk (junk mill). High-density cement plugs are usually recommended for this application.
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