Patents by Inventor Mohamed Ahmed Nasr-El-Din Mahmoud

Mohamed Ahmed Nasr-El-Din Mahmoud has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20140116710
    Abstract: The present invention relates to a process for treating a shale formation comprising introducing a 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 which process may optionally contain an additional fracturing step.
    Type: Application
    Filed: June 11, 2012
    Publication date: May 1, 2014
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Hisham Naser-El-Din, Cornelia Adriana De Wolf, Mohamed Ahmed Nasr-El-Din Mahmoud
  • Publication number: 20130281329
    Abstract: The present invention relates to a process for treating a subterranean formation wherein a fluid containing an ammonium salt of glutamic acid N, N-diacetic acid (GLDA) or methylglycine N, N-diacetic acid (MGDA) is introduced into the formation.
    Type: Application
    Filed: December 14, 2011
    Publication date: October 24, 2013
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Cornelia Adriana De Wolf, James N. Lepage, Hisham Nasr-El-Din, Mohamed Ahmed Nasr-El-Din Mahmoud, Edwin Rudolf Antony Bang, Noble Thekkemelathethil George
  • Publication number: 20130274154
    Abstract: The present invention relates to a process for treating a sandstone formation comprising introducing a fluid containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and having a pH of between 1 and 14 into the formation. The invention in addition relates to a fluid and a kit of parts suitable for use in the above process containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA), a corrosion inhibitor, a surfactant, and optionally a mutual solvent.
    Type: Application
    Filed: December 14, 2011
    Publication date: October 17, 2013
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Hisham Nasr-El-Din, Cornelia Adriana De Wolf, Mohamed Ahmed Nasr-El-Din Mahmoud, Albertus Jacobus Maria Bouwman, Noble Thekkemelathethil George
  • Publication number: 20130274155
    Abstract: 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.
    Type: Application
    Filed: December 14, 2011
    Publication date: October 17, 2013
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Hisham Nasr-El-Din, James N. Lepage, Cornelia Adriana De Wolf, Mohamed Ahmed Nasr-El-Din Mahmoud, Ahmed Issam Elsayed Salama Assem
  • Publication number: 20130264060
    Abstract: The present invention covers a fluid and kit of parts suitable for treating carbonate formations containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA), a corrosion inhibitor, and a surfactant, and the use thereof.
    Type: Application
    Filed: December 16, 2011
    Publication date: October 10, 2013
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Cornelia Adriana De Wolf, Hisham Nasr-El-Din, Mohamed Ahmed Nasr-El-Din Mahmoud, James N. Lepage, Johanna Hendrika Bemelaar, Albertus Jacobus Maria Bouwman, Guanqun Wang
  • Publication number: 20130267446
    Abstract: The present invention relates to a process for treating a sandstone formation comprising introducing 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) and having a pH of between 1 and 14 into the formation. The invention in addition relates to a fluid suitable for use in the above process containing 5-30 wt % of glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and/or methylglycine N,N-diacetic acid or a salt thereof (MGDA), a corrosion inhibitor, a surfactant, and a mutual solvent.
    Type: Application
    Filed: December 14, 2011
    Publication date: October 10, 2013
    Applicant: Akzo Nobel Inc.
    Inventors: Cornelia Adriana De Wolf, Mohamed Ahmed Nasr-El-Din Mahmoud, Hisham Nasr-El-Din
  • Publication number: 20120202720
    Abstract: The present invention includes processes to create wormholes in carbonate reservoirs by contacting a formation with a solution comprising glutamic acid N,N-diacetic acid (GLDA) and/or a salt thereof, methylglycine-N,N-diacetic acid (MGDA) and/or a salt thereof, or a combination thereof. The present invention also includes processes to remove wellbore damage in a carbonate reservoir by contacting a damaged zone of the carbonate reservoir with a solution comprising GLDA and/or a salt thereof, methylglycine-N,N-diacetic acid (MGDA) and/or a salt thereof, or a combination thereof. The present invention further includes solutions comprising a salt and further comprising GLDA and/or a salt thereof, methylglycine-N,N-diacetic acid (MGDA) and/or a salt thereof, or a combination thereof.
    Type: Application
    Filed: December 15, 2011
    Publication date: August 9, 2012
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Cornelia Adriana de Wolf, Hisham Nasr-El-Din, James N. LePage, Mohamed Ahmed Nasr-El-Din Mahmoud, Johanna Hendrika Bemelaar