Patents by Inventor Abdullah S. SULTAN

Abdullah S. SULTAN 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: 11858878
    Abstract: The invention concerns synthesized amido-amine-based cationic gemini surfactants with flexible and rigid spacers and different hydrophobic. These gemini surfactants were prepared by modified procedure through amidation of long chain carboxylic acids using 3-(dimethylamino)-1-propylamine followed by treatment with halohydrocarbons and showed excellent thermal stability and surface properties useful for various oilfield applications such as enhanced oil recovery.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: January 2, 2024
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Syed M. Shakil Hussain, Muhammad Shahzad Kamal, Abdullah S. Sultan
  • Patent number: 11807789
    Abstract: A method of inhibiting carbon dioxide (CO2) hydrate formation in a CO2 pipeline is described. The method includes injecting a composition including monoethylene glycol carbon quantum dots (MEG CQDs) into the CO2 pipeline to deposit the MEG CQDs on an inside surface of the CO2 pipeline. The method further includes pressurizing the CO2 pipeline with a gas stream containing CO2 and water vapor at a pressure of 200-2,000 pounds per square inch (psi). The MEG CQDs are present on the inside surface of the CO2 pipeline in an amount effective to reduce the formation of CO2 hydrates in the CO2 pipeline during the pressurizing in comparison to the formation of the CO2 hydrates in the CO2 pipeline under the same conditions but in the absence of the MEG CQDs.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: November 7, 2023
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Abdullah S. Sultan, Tinku Saikia, Jaber Al Jaberi
  • Publication number: 20230303920
    Abstract: A method of inhibiting carbon dioxide (CO2) hydrate formation in a CO2 pipeline is described. The method includes injecting a composition including monoethylene glycol carbon quantum dots (MEG CQDs) into the CO2 pipeline to deposit the MEG CQDs on an inside surface of the CO2 pipeline. The method further includes pressurizing the CO2 pipeline with a gas stream containing CO2 and water vapor at a pressure of 200-2,000 pounds per square inch (psi). The MEG CQDs are present on the inside surface of the CO2 pipeline in an amount effective to reduce the formation of CO2 hydrates in the CO2 pipeline during the pressurizing in comparison to the formation of the CO2 hydrates in the CO2 pipeline under the same conditions but in the absence of the MEG CQDs.
    Type: Application
    Filed: March 25, 2022
    Publication date: September 28, 2023
    Applicant: King Fahd University of Petroleum and Minerals
    Inventors: Abdullah S. SULTAN, Tinku SAIKIA, Jaber AL JABERI
  • Publication number: 20230132932
    Abstract: The invention concerns synthesized amido-amine-based cationic gemini surfactants with flexible and rigid spacers and different hydrophobic. These gemini surfactants were prepared by modified procedure through amidation of long chain carboxylic acids using 3-(dimethylamino)-1-propylamine followed by treatment with halohydrocarbons and showed excellent thermal stability and surface properties useful for various oilfield applications such as enhanced oil recovery.
    Type: Application
    Filed: November 3, 2022
    Publication date: May 4, 2023
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Syed M. Shakil HUSSAIN, Muhammad Shahzad KAMAL, Abdullah S. SULTAN
  • Patent number: 11512045
    Abstract: The invention concerns synthesized amido-amine-based cationic gemini surfactants with flexible and rigid spacers and different hydrophobic. These gemini surfactants were prepared by modified procedure through amidation of long chain carboxylic acids using 3-(dimethylamino)-1-propylamine followed by treatment with halohydrocarbons and showed excellent thermal stability and surface properties useful for various oilfield applications such as enhanced oil recovery.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: November 29, 2022
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Syed M. Shakil Hussain, Muhammad Shahzad Kamal, Abdullah S. Sultan
  • Patent number: 11466197
    Abstract: A silane-modified colloidal silica in the form of a Pickering emulsion and a method for enhancing recovery of hydrocarbons and improving conformance using it. When injected into an oil well, the silane-modified colloidal silica separates into an aqueous phase and oil/oleic phase. The aqueous phase forms a gel that blocks the flow of water and the oleic phase that forms permits oil to flow out of the well.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: October 11, 2022
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Abdullah S. Sultan, Tinku Saikia
  • Publication number: 20210246361
    Abstract: A silane-modified colloidal silica in the form of a Pickering emulsion and a method for enhancing recovery of hydrocarbons and improving conformance using it. When injected into an oil well, the silane-modified colloidal silica separates into an aqueous phase and oil/oleic phase. The aqueous phase forms a gel that blocks the flow of water and the oleic phase that forms permits oil to flow out of the well.
    Type: Application
    Filed: February 12, 2020
    Publication date: August 12, 2021
    Applicant: King Fahd University of Petroleum and Minerals
    Inventors: Abdullah S. SULTAN, Tinku Saikia
  • Patent number: 10851287
    Abstract: A method of acidizing a subterranean geological formation by injecting an emulsified acid into a wellbore, wherein the emulsified acid includes at least an aqueous phase comprising a hydrochloric acid solution, an oil phase comprising waste oil, and an emulsifier, and wherein the waste oil contains 45-75% by weight of aromatic compounds and preferably contains less than 0.5% by weight of non-hydrocarbon compounds. Various embodiments, and combinations of embodiments, of the emulsified acid and the method of acidizing are provided.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: December 1, 2020
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Abdullah S. Sultan, Ziad Sidaoui
  • Patent number: 10851288
    Abstract: A method of acidizing a subterranean geological formation by injecting an emulsified acid into a wellbore, wherein the emulsified acid includes at least an aqueous phase comprising a hydrochloric acid solution, an oil phase comprising waste oil, and an emulsifier, and wherein the waste oil contains 45-75% by weight of aromatic compounds and preferably contains less than 0.5% by weight of non-hydrocarbon compounds. Various embodiments, and combinations of embodiments, of the emulsified acid and the method of acidizing are provided.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: December 1, 2020
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Abdullah S. Sultan, Ziad Sidaoui
  • Patent number: 10851289
    Abstract: A method of acidizing a subterranean geological formation by injecting an emulsified acid into a wellbore, wherein the emulsified acid includes at least an aqueous phase comprising a hydrochloric acid solution, an oil phase comprising waste oil, and an emulsifier, and wherein the waste oil contains 45-75% by weight of aromatic compounds and preferably contains less than 0.5% by weight of non-hydrocarbon compounds. Various embodiments, and combinations of embodiments, of the emulsified acid and the method of acidizing are provided.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: December 1, 2020
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Abdullah S. Sultan, Ziad Sidaoui
  • Publication number: 20190390104
    Abstract: A method of acidizing a subterranean geological formation by injecting an emulsified acid into a wellbore, wherein the emulsified acid includes at least an aqueous phase comprising a hydrochloric acid solution, an oil phase comprising waste oil, and an emulsifier, and wherein the waste oil contains 45-75% by weight of aromatic compounds and preferably contains less than 0.5% by weight of non-hydrocarbon compounds. Various embodiments, and combinations of embodiments, of the emulsified acid and the method of acidizing are provided.
    Type: Application
    Filed: September 9, 2019
    Publication date: December 26, 2019
    Applicant: King Fahd University of Petroleum and Minerals
    Inventors: Abdullah S. SULTAN, Ziad SIDAOUI
  • Publication number: 20190390105
    Abstract: A method of acidizing a subterranean geological formation by injecting an emulsified acid into a wellbore, wherein the emulsified acid includes at least an aqueous phase comprising a hydrochloric acid solution, an oil phase comprising waste oil, and an emulsifier, and wherein the waste oil contains 45-75% by weight of aromatic compounds and preferably contains less than 0.5% by weight of non-hydrocarbon compounds. Various embodiments, and combinations of embodiments, of the emulsified acid and the method of acidizing are provided.
    Type: Application
    Filed: September 9, 2019
    Publication date: December 26, 2019
    Applicant: King Fahd University of Petroleum and Minerals
    Inventors: Abdullah S. SULTAN, Ziad SIDAOUI
  • Publication number: 20190390103
    Abstract: A method of acidizing a subterranean geological formation by injecting an emulsified acid into a wellbore, wherein the emulsified acid includes at least an aqueous phase comprising a hydrochloric acid solution, an oil phase comprising waste oil, and an emulsifier, and wherein the waste oil contains 45-75% by weight of aromatic compounds and preferably contains less than 0.5% by weight of non-hydrocarbon compounds. Various embodiments, and combinations of embodiments, of the emulsified acid and the method of acidizing are provided.
    Type: Application
    Filed: September 9, 2019
    Publication date: December 26, 2019
    Applicant: King Fahd University of Petroleum and Minerals
    Inventors: Abdullah S. SULTAN, Ziad SIDAOUI
  • Patent number: 10450502
    Abstract: A method of acidizing a subterranean geological formation by injecting an emulsified acid into a wellbore, wherein the emulsified acid includes at least an aqueous phase comprising a hydrochloric acid solution, an oil phase comprising waste oil, and an emulsifier, and wherein the waste oil contains 45-75% by weight of aromatic compounds and preferably contains less than 0.5% by weight of non-hydrocarbon compounds. Various embodiments, and combinations of embodiments, of the emulsified acid and the method of acidizing are provided.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: October 22, 2019
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Abdullah S. Sultan, Ziad Sidaoui
  • Publication number: 20190256458
    Abstract: The invention concerns synthesized amido-amine-based cationic gemini surfactants with flexible and rigid spacers and different hydrophobic. These gemini surfactants were prepared by modified procedure through amidation of long chain carboxylic acids using 3-(dimethylamino)-1-propylamine followed by treatment with halohydrocarbons and showed excellent thermal stability and surface properties useful for various oilfield applications such as enhanced oil recovery.
    Type: Application
    Filed: February 21, 2019
    Publication date: August 22, 2019
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Syed M. Shakil HUSSAIN, Muhammad Shahzad KAMAL, Abdullah S. SULTAN
  • Patent number: 10151737
    Abstract: This disclosure relates to a system and method for applying a prediction of permeability of shale gas in porous media at different pressure conditions to a shale gas production. The method uses a molecular model that accounts for slippage and adsorption effects under the different pressure conditions including simulated gas flows in a large computational domain representing a sample of shale rock. This system and method provides a computationally efficient processing to determine permeability variations of shale gas with the different pressure conditions.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: December 11, 2018
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Jun Li, Abdullah S. Sultan
  • Publication number: 20180282614
    Abstract: A method of acidizing a subterranean geological formation by injecting an emulsified acid into a wellbore, wherein the emulsified acid includes at least an aqueous phase comprising a hydrochloric acid solution, an oil phase comprising waste oil, and an emulsifier, and wherein the waste oil contains 45-75% by weight of aromatic compounds and preferably contains less than 0.5% by weight of non-hydrocarbon compounds. Various embodiments, and combinations of embodiments, of the emulsified acid and the method of acidizing are provided.
    Type: Application
    Filed: March 1, 2018
    Publication date: October 4, 2018
    Applicant: King Fahd University of Petroleum and Minerals
    Inventors: Abdullah S. SULTAN, Ziad SIDAOUI
  • Patent number: 9920238
    Abstract: A process for recovering oil from a carbonate reservoir of high salinity, wherein supercritical CO2 floodings are combined with a fluorosurfactant in the tertiary recovery. Embodiments include alternating injection and co-injection schemes of the supercritical CO2 and the fluorosurfactant. A stable fluorosurfactant-CO2 foam that is not susceptible to the harsh conditions of the reservoir (temperature, pressure and salinity) can be successfully generated, leading to a reduction in the mobility of CO2, an increase in the mobility of the reservoir oil, higher contact between the injected fluid with the oil and a better sweep efficiency of the oil.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: March 20, 2018
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Zaid Zaffar Jangda, Abdullah S. Sultan
  • Publication number: 20170218257
    Abstract: A process for recovering oil from a carbonate reservoir of high salinity, wherein supercritical CO2 floodings are combined with a fluorosurfactant in the tertiary recovery. Embodiments include alternating injection and co-injection schemes of the supercritical CO2 and the fluorosurfactant. A stable fluorosurfactant-CO2 foam that is not susceptible to the harsh conditions of the reservoir (temperature, pressure and salinity) can be successfully generated, leading to a reduction in the mobility of CO2, an increase in the mobility of the reservoir oil, higher contact between the injected fluid with the oil and a better sweep efficiency of the oil.
    Type: Application
    Filed: April 21, 2017
    Publication date: August 3, 2017
    Applicant: King Fahd University of Petroleum and Minerals
    Inventors: Zaid Zaffar JANGDA, Abdullah S. Sultan
  • Patent number: 9719009
    Abstract: A process for recovering oil from a carbonate reservoir of high salinity, wherein supercritical CO2 floodings are combined with a fluorosurfactant in the tertiary recovery. Embodiments include alternating injection and co-injection schemes of the supercritical CO2 and the fluorosurfactant. A stable fluorosurfactant-CO2 foam that is not susceptible to the harsh conditions of the reservoir (temperature, pressure and salinity) can be successfully generated, leading to a reduction in the mobility of CO2, an increase in the mobility of the reservoir oil, higher contact between the injected fluid with the oil and a better sweep efficiency of the oil.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: August 1, 2017
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Zaid Zaffar Jangda, Abdullah S. Sultan