• Fluids and additives used in Trenchless Technologies industry – key selection criteria (part 1)
  The first of a two-part series of articles devoted to the discussion of the criteria for the selection of drilling fluids and additives used in the trenchless technology industry is primarily aimed at introducing and describing techniques popular on the market such as: Horizontal Directional Drilling, Micro Tunnel Boring Machine and Direct Steerable Pipe Thrusting, with particular emphasis on the requirements for drilling fluid. The aim of the article is to show that a properly selected fluid and additives can significantly improve the speed and quality of work carried out, while reducing costs.
  Due to the increasingly dense development and urbanization, trenchless techniques are sometimes the only option to carry out expansion, rehabilitation or removal of current infrastructure failures. In the process of drilling holes for engineering infrastructure installations, more and more attention is paid to financial, quality, safety and environmental aspects, which has a direct impact on the drilling fluids and additives used... dalej
• The perspective for natural gas as a bridging fuel for the energy transformation in the era of gas decarbonization
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