Directional drilling plan with hole opener and under-reamer

This article describes an example of a directional drilling plan. The hole will be kicked-off below the 26" conductor shoe. The hole will be directionally drilled to the 18 5/8" casing setting depth with the 17 1/2" assembly. Thereafter the hole will be opened up with a 22" hole opener assembly or under reamed to 24".

17 1/2" Kick-Off Assembly

17 1/2" Bit