Well Barrier Envelopes

I need to sidetrack a well and will perform the following operations
  • Isolate the well by placing an isolation plug in F-nipple
  • Run a bridge plug and pressure test it
  • Place cement plug and weight test it
Now I've heard that the mechanical barrier i.e. Bridge plug is not classified as a well barrier and since there needs to be two barriers according to NORSOK D-10, would a single plug of sufficient length be allowed or do I still need to place two plugs?
Please share your experiences 



2 Answer(s)

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