Galactomannan gum based composition for sealing permeable formations

摘要: A COMPOSITION IS PROVIDED WHICH MAY BE EMPOLYED FOR THE SELECTIVE SEALING OF ERMEABLE FORMATIONS. CONTAINS AT LEAST ONE PARTICUALTE GALACTOMANNAN GUM HAS BEEN TREATED TO RENDER HYDROPHOBIC IN AQUEOUS SOLUTIONS HAVING PH ABOUT 7.5; APH CONTROL AGENT, AND WATER-SOLUBLE ORGANIC POLYMERIC SUSPENDING AGENT.