Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum....http://www.google.es/patents/US7332026?utm_source=gb-gplus-sharePatente US7332026 - Cementitious compositions containing interground cement clinker and zeolite
Cementitious compositions containing interground cement clinker and zeolite
