Drill Pipe String Design (example)

Drill Pipe String Design (example) 1. Executive summary

The output from this analysis will become the basis of the functional specifications for a Drill String ITT.

The drill string analysis focused on the three most critical sections as follows:

  • the 12 ¼” section drilled vertically from 1900m to about 4550m MDBRT;
  • the 8 ½” section drilled directionally from 4550m to 5140m MDBRT, with a Kick-off point at 4830m MD/RT in order to get a 8°/30m Dog-Leg Severity;
  • the 5 7/8” (or 6”) section drilled as a tangent . . .

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