Instructor's Summary

Mr. David Berryman


Mr. David Berryman is a Senior Drilling Operations Engineer with over 35 years of Offshore & Onshore experience within the Oil & Gas industries.  He is an international expert in Stuck Pipe Prevention, Fishing Operations, Drilling & Petroleum Engineering, ERD Drilling, Well Service Operations, Well Test Design & Analysis, Well Composite, Well Construction, Well Completion, Well Integrity Management, Well Bore Analysis, Well Control & Blowout Prevention, Well Bore Integrity, High Pressure High Temperature (HPHT), Pulling Out of Hole (POOH), PWD Interpretation, Surface Logging, Drilling Optimization, Well Planning, Horizontal & Directional Drilling, Drill String Intensity & Design, Drill String Optimization, Well Hole Cleaning, Mud-Logging, Downhole Vibration, Extended Reach Drilling, Torque & Drag Modelling, Pore Pressure Evaluation, Conductor Line Pressure Surveys and Chemical Tubing Cutting. He is also well-versed in Bow-Tie HSE Risk Management System, Hydraulics Management, Data Interpretation, Petroleum Data Management, Hydraulic Calculations, Safety Management System and Rig Operations and various Drilling softwares including Well plan and Compass (Landmark); DFG, Planit, Insite Anywhere (Halliburton); Discovery Well, Discovery Web (Kongsberg); Digital Well File (Petrolink) and Well View (Peloton).


Throughout his long career life, Mr. Berryman has worked for many international companies in the Gulf of Mexico, Europe, Africa, Central Asia (Kazakhstan) the Middle East, Far East and the North Sea such as Marathon Oil UK, Talisman-Sinopec, BG Group, Sperry Drilling, Stavanger, BP, Hycalog, Camtest/Camco and Gearheart. He had occupied various key positions as the Drilling Manager, Drilling Engineer Supervisor, Drilling Supervisor, Drilling Operations Engineer, Applied Drilling Technology Engineer, Data Engineer, Mud Logger, Sales & Service Engineer and Downhole Gauge Engineer. During this period, he has led the development of a software solution for real-time monitoring of drag whilst tripping in extended reach wells.

Mr. Berryman has a Bachelor degree in Mining from the University of Leeds, UK. Further, he has acquired certifications from the IWCF for Combined Surface and Subsea Blow-Out Preventer Stack, the BOSIET, the UKCS for Offshore Working and the Prince2 Foundation for Project Management. Further, he is a Certified Instructor/Trainer, Drill String Design Proctor by Fearnley and has delivered and presented innumerable training courses and workshops worldwide.