PROCESS TO FRACTURE A SUBTERRANEAN FORMATION USING A CHELATING AGENT
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United States of America Patent
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Issued Date -
May 8, 2014
app pub date -
Jun 11, 2012
filing date -
Jun 13, 2011
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Abandoned
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Abstract
The present invention relates to a process for fracturing a subterranean formation comprising a step of fracturing the formation and a step of introducing a treatment fluid containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA), methylglycine N,N-diacetic acid or a salt thereof (MGDA) and/or N-hydroxyethyl ethylenediamine N,N′,N′-triacetic acid or a salt thereof (HEDTA) into the formation, wherein the fracturing step can take place before introducing the treatment fluid into the formation, while introducing the treatment fluid into the formation or subsequent to introducing the treatment fluid into the formation.
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