Predicting and Preventing Wellbore Instability Using the Latest Drilling and Logging Technologies: Tullich Field Development, North Sea

摘要

Innovative geomechanical, drilling, logging and seismictechniques have been used to successfully develop ageologically complex discovery in the North Sea, Tullichfield. With individual reservoir unit thicknesses below thelimit of seismic resolution, and a restricted depth window forcompletion, optimal placement of horizontal production wells,without delays, was vital to the successful and economicaldevelopment of the field. Wellbore instability was a keyconcern after recent drilling experience in nearby fields withsimilar formations. By combining efficient teamwork and thelatest technologies, the complex reservoir was successfullydeveloped, both in terms of cost savings while developing thefield, and good oil production.