Apparatus and methods for determining suitable displacement fluids for use in subterranean cementing operations, and methods of cementing that use such displacement fluids, are provided. Examples of methods include methods of water-wetting an annulus in a subterranean formation having an oleaginous-external/aqueous-internal...http://www.google.es/patents/US7128149?utm_source=gb-gplus-sharePatente US7128149 - Apparatus and methods for improved fluid displacement in subterranean formations
Apparatus and methods for improved fluid displacement in subterranean formations
