METHOD OF STABILIZING FORMATIONS COMPRISING WATER-SENSITIVE EARTH FORMATIONS

摘要

1465149 Stabilising wells CHEVRON RESEARCH CO 21 June 1974 27767/74 Addition to 1357603 Heading E1F A water sensitive earth formation penetrated by a well is stabilised by an injection of an aqueous hydroxy-aluminium solution in which the ratio of hydroxyl groups to aluminium atoms is in the range of from 1.5 to 2.7.