Drilling Exploration and Rotary Drilling

1. Basics of the borehole drilling design
2. Evaluation of the predicted geological profile in terms of determining the drilling technique and technology
3. Analysis of pressure conditions during the drilling
4. Rocks drillability – working process of the drilling tools, various influences on strength and deformability of rocks during its disjunction
5. Classification of the drilling tools
6. Design of roller-cone drilling bits, basis of roller-cone drilling bits kinematics, selection of the bit for various rock types
7. Drill string – work process of the drill string inside the borehole – functional assessment of drill strings for various types of boreholes
8. Drill string malfunctions, precautions to the drill string failures
9. Drill string straining calculation
10. Casing string - work process of the casing string inside the borehole, casing string straining analysis, lowering and stabilization of the casing string, casing string failures, casing string straining calculation
11. Drilling regime – optimal and reasonable drilling regime, classification of drilling regime – its measuring and monitoring
12. Technology of borehole cementation – calculations of cement volume, pressure and time for cementing borehole
13. Break downs inside the borehole – methods and tools for removal of the break down, methods of overcoming pressure effects inside the borehole