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OPERATOR TRAINING COURSE

OPTIMISATION OF TRICONE DRILLBIT PERFORMANCE

Training is conducted in the form of lectures, with the extensive use of visual aids, followed up by on-site practical observation and training.  We can modify our format to meet virtually any client requirements.

Many clients have found an improvement in drillbit performance and a reduction in drilling costs, after conducting these courses at their mines.

CONTENTS

                1. INTRODUCTION

                2. BASICS OF THE TRICONE

                3. HOW DOES A ROCKBIT WORK?

                4. FACTORS THAT AFFECT DRILLBIT PERFORMANCE

                    - Pulldown Pressure

                    - Rotary Speed

                    - Air

                    - Water

                    - Operator

                5. DRILLING IN DIFFERENT FORMATIONS

                    - Starting The Hole

                    - Boulders In Soft Material

                    - Clay Formations

                    - Normal Formations

                    - Very Hard Formations

                    - Areas With Lots Of Groundwater

                6. PROBLEM IDENTIFICATION

                    - Bent Drillrod

                    - Excessive Pulldown Pressure

                    - Plugged Drillbit

                    - Inaccurate Rotation Speed Gauges

                    - Insufficient Bailing Air / Wrong Drillbit Nozzle Size

                7. WHY DO WE USE DECKBUSHES, STABILISERS, SHOCKSUBS & THREAD LUBRICANTS?

                8. THERE ARE SEVERAL POINTS TO REMEMBER

                9. CONCLUSION

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