Tech Report: DEFOAM EXTRA Defoamer Prevents, Eliminates Foam in Formate-Base RDF for Entire Six-Well Campaign

Low dose of high-performance defoamer enhances operations throughout batch drilling operation offshore Malaysia

DEFOAM EXTRA Defoamer Prevents, Eliminates Foam in Formate-Base RDF for Entire Six-Well Campaign

Publication Date: 02/01/2017

An operator offshore Malaysia was preparing to batch drill and complete the reservoir sections of six wells. A potassium and cesium formate–base FLOPRO NT water-base reservoir drill-in fluid (RDF) with FORMIX formate-based brine technology was chosen as the optimal solution, but design requirements also necessitated a surfactant additive, which increased the risk of foaming while drilling. After a laboratory assessment, M-I SWACO recommended the DEFOAM EXTRA high-performance defoamer to prevent foam as a pretreatment as well as to eliminate foam after it forms.




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