New World Record in Extended-Reach Drilling From Platform Statfjord `C'

Abstract

This paper is a case history of the drilling of well C3 from the Statfjord 'C' platform, currently the world record in Extended Reach Drilling. The horizontal reach is 6086 m (19 968 ft) and the measured depth 7250 m (23 787 ft), with a I sail angle of 80 degrees in the 12 114" hole section. This paper I will concentrate on the important aspects of well planning, I such as well profile, torque, drag, hole cleaning and survey-I ing, and how the work was executed.