The Baker Hughes “Directional Drilling & Formation Evaluation Services Quick Reference Guide” provides a quick overview of available drilling-related services for the upstream oil & gas industry. The services in the guide include: Directional Drilling, Drilling Optimization, Measurement While Drilling, Logging While Drilling, Coiled Tubing and Re-Entry, Hole Enlargement, Surface Logging, High Temperature, and Coring, as offered by Baker Hughes.