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The HDD processes have been studied at the Department of Drilling and Geoengineering, Faculty of Drilling, Oil and Gas, AGH-UST for years. As a result a number of recommendations and new technological solutions applicable for HDD designing and performing, were worked out. One of the major questions to be solved in practice is a selection of borehole diameters at all stages of drilling and reaming...
W artykule przedstawiono cel wykonywania horyzontalnych przewiertów sterowanych jako jednej z bezwykopowych metod budowy podziemnych instalacji rurowych. Podano wytyczne odnośnie zagadnień, które powinny być ujęte w projekcie przewiertu horyzontalnego. Omówiono również zasady doboru profilu wierconego otworu oraz jego parametrów geometrycznych na poszczególnych etapach poszerzania.
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