USE OF MGDA AS ADDITIVE IN PROCESSES FOR RECOVERING CRUDE OIL AND/OR GAS FROM SUBTERRANEAN FORMATIONS
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Dec 16, 2015
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Dec 17, 2014
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Use of methyl glycine diacetic acid (MGDA) as additive in processes for recovering crude oil and/or gas from subterranean formations, wherein the MGDA is a mixture of L- and D-enantiomers of MGDA or salts thereof, said mixture containing an excess of the respective L-isomer, and the enantiomeric excess (ee) of the L-isomer is in the range of from 10% to 75% Preferably, the process is a processes of acidizing subterranean formations.
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