Patents by Inventor Ikhsan Nugraha

Ikhsan Nugraha 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).

  • Patent number: 11156071
    Abstract: A system and method of wellbore operations that forms notches into a subterranean formation that circumscribes a wellbore prior to fracturing the formation. The notches extend past the hoop stress regime that surrounds the wellbore so that fractures formed by fracturing are oriented in a designated plane. In one example, a fluid jet is used to form the notches, and which is discharged from a nozzle that rotates about a downhole tool. The nozzle is set in a sleeve that is rotatable about the downhole tool, and pressurized fluid is delivered to a plenum disposed on an inner surface of the sleeve. The nozzle is oriented oblique to a radius of the sleeve, so that the fluid being discharged from the nozzle generates a force that rotates the sleeve.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: October 26, 2021
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventors: Fakuen Frank Chang, Brett Bouldin, Ikhsan Nugraha
  • Publication number: 20200024936
    Abstract: A system and method of wellbore operations that forms notches into a subterranean formation that circumscribes a wellbore prior to fracturing the formation. The notches extend past the hoop stress regime that surrounds the wellbore so that fractures formed by fracturing are oriented in a designated plane. In one example, a fluid jet is used to form the notches, and which is discharged from a nozzle that rotates about a downhole tool. The nozzle is set in a sleeve that is rotatable about the downhole tool, and pressurized fluid is delivered to a plenum disposed on an inner surface of the sleeve. The nozzle is oriented oblique to a radius of the sleeve, so that the fluid being discharged from the nozzle generates a force that rotates the sleeve.
    Type: Application
    Filed: July 18, 2018
    Publication date: January 23, 2020
    Applicant: Saudi Arabian Oil Company
    Inventors: Fakuen Frank Chang, Brett Bouldin, Ikhsan Nugraha