COMPOSITION CONTAINING AN EMULSIFIED CHELATING AGENT AND PROCESS TO TREAT A SUBTERRANEAN FORMATION

摘要

The present invention relates to a composition containing a dispersed phase emulsified in a continuous phase, wherein at least 5 wt pcnt on total weight of the dispersed phase of the composition is a chelating agent selected from the group of glutamic acid ?,?-diacetic acid or a salt thereof (GLDA), aspartic acid N,N-diacetic acid or a salt thereof (ASDA), and methylglycine ?,?-diacetic acid or a salt thereof (MGDA), and a process for treating a subterranean formation comprising a step of introducing the above composition into the formation.