Differences Between Cement Retainers and Bridge Plugs
Drilling & Milling Best Practice:
If the situation is to perform drilling or milling operations (junk mill), the recommended practice is as follows:
Use a tricone Bit(IADC Bit Codes 2-1, 2-2, 2-3, 2-4, and 3-1) – medium hard formation. PDC Bit is not...
view
detail