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AssigneeAkzo Nobel Chemicals International B.V.
InventorsHisham Nasr-El-Din, James N. Lepage, Cornelia Adriana De Wolf, Mohamed Ahmed Nasr-El-Din Mahmoud, Ahmed Issam Elsayed Salama Assem
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The present invention relates to a process to control iron in a subterranean formation wherein a fluid containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA) is introduced into the formation at a temperature between 77 and 400° F. (about 2 and 204° C.). The invention also covers a process of treating a subterranean formation wherein simultaneously iron control takes place.
A process to control iron in subterranean formations wherein a fluid containing comprising glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA) is introduced into the formation at a temperature between 77 and 400° F. (about 25 and 204° C.), wherein simultaneously the subterranean formation is treated by introducing the fluid into the formation.
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Dependencies are inferred from the claim text.