TAML 1 completion level

Technology description:

Sidetracking from open bore section using a whipstock. The hollow whipstock will not be retrieved to surface.


  • stable carbonate rocks where sidetracking without whipstock can be challenging;
  • Fishbone-type multilateral wells


  • TAML 1;
  • 3 trips;
  • mill cutting;
  • high-precision orienting;
  • alternative orienting methods can be used;
  • large-bore whipstock (93 mm in 178-mm casing);
  • Larger bore for producing fluids from the underlying bore section;