Whipstock Milling Operation - Best Practices

Whipstock Milling Operation - Best Practices

  • Ensure that a drill pipe strainer is ALWAYS in the pipe when pumping fluids into the well
  • Ensure 4 x ditch magnets are in place for extracting milled cuttings.
  • Prepare sweeps prior to milling…

General Guidelines for Sidetracking

The main requirement in sidetracking a well is the development of a lateral force to allow the bit to cut on the side of the hole.

BHA Geometry

The required lateral force shall be provided by the…

Abandonment and sidetrack drilling programme

Abandonment and sidetrack drilling programme

1. Programme Summary

Abandonment

This programme will prepare the existing well for a forthcoming horizontal side-track which is due to begin immediately upon the successful completion of the…

Sidetracking Guidelines

Wells may require sidetracking in order to re-drill the well to a new target, sidetrack past a fish or sidetrack due to hole problems.

The main requirements in sidetracking a well is the development…

Sidetracking out of Casing with Whipstock

The ‘Window Master’ whipstock is a one trip system to mill afull size hole in casing in the required direction. The whipstock is mechanically set and requires a bridge plug to be set at a…