Specially Customized System for Cementing Glass-Reinforced Epoxy (GRE) Casings - Development and Field Trials in a Geothermal Project

摘要

For a geothermal project in France, our customer planned to cement 7" glass-reinforced epoxy (GRE) tubulars in old corroded 9 5/8" carbon steel casings. Through extensive laboratory research, Fangmann Energy Services developed and applied a new low weight cement system specially customized to isolate the annular interval. The premium quality of the first trials and hence the supreme adhesion efficiency of this state- of-the-art system onto GRE and steel surfaces was verified by wireline logging.