Drilling casing string sections
Drilling casing hole sections, such as conductor, surface casing, intermediate and production casing, takes 70% to 90% of costs and rig time.
Drilling liner sections
Drilling liner sections takes 8% to 15% of costs and rig time. Due to high costs at the initial stage, oil production is not very cost effective.
A sidetrack gives the following benefits
With 15% to 20% higher completion costs, our customers can improve flow rates by more than 2 times from one well. One well can have from 2 to 5 additional side tracks.
