Author of the paper will discuss the major issues concerning the planning and performing of drilling projects in the context of mud engineering. The attention will be also put on the most common mistakes and misunderstandings and their sources.

Workshop: Horizontal directional drilling technology:

- planning of drilling operations in terms of design requirements;
- selection of equipment, tools and components;
- drilling operations;
- closed drilling fluid circulation system;
- the character of plastic and steel tubing;
- schedule of works;
- cost estimation;
- borehole quality estimation;
- introduction to risk management in drilling projects.

Robert Osikowicz, ROE