FASERVERSTÄRKTE ZEMENTZUSAMMENSETZUNG MIT NIEDRIGER DICHTE

摘要

A fibre-reinforced, low density cement system for the control of lost circulation during the drilling of subterranean wells, generally comprising a cement particle mixture having a specific granulometric characterization and alkaline resistant fibres, such as fibres composed of glass having a high zirconia concentration or organic fibres composed of a phenolic polymer or other polymeric system.