Patents by Inventor Khawlah A. Alanqari
Khawlah A. Alanqari 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).
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Patent number: 11905458Abstract: Lost circulation material (LCM) compositions may include a resin; an emulsifier selected from the group consisting of ethoxylated phenol, sodium salt of modified tall oil fatty amide, carboxylic acid terminated fatty polyamide, modified amidoamine, tall oil fatty acid, oxidized tall oil fatty amidoamine, ether carboxylic acid, and combinations thereof; a crosslinker, a cementitious and/or weighting agent; a retarder; a dispersant; and a silicon-based defoamer. The LCM compositions may have a thickening time of from about 3 hours than about 6 hours by reaching a Bearden consistency of 100 Bc. Methods of eliminating or reducing lost circulation in a lost circulation zone from a well may include introducing these LCM compositions into the well.Type: GrantFiled: February 18, 2022Date of Patent: February 20, 2024Assignee: SAUDI ARABIAN OIL COMPANYInventors: Ali Al-Safran, Khawlah A. Alanqari, Vikrant Wagle, Abdullah S. Al-Yami
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Patent number: 11898087Abstract: The present disclosure concerns a cement dispersant for cement compositions wherein the cement dispersant is a polynaphthalene sulfonate salt having a weight average molecular weight of from 2500 g/mol to 3000 g/mol. The cement compositions are of from 10 weight percent to 70 weight percent of a cement precursor based on the total weight of the cement composition, from 5 weight percent to 70 weight percent water based on the total weight of the cement composition, and from 0.001 percent by weight of cement (BWOC) to 1.0 percent BWOC the cement dispersant. The cement dispersant provides improved rheological properties, allowing for good cement dispensing and increased presence of weighting agents.Type: GrantFiled: November 18, 2021Date of Patent: February 13, 2024Assignee: Saudi Arabian Oil CompanyInventors: Khawlah A. Alanqari, Vikrant Wagle, Abdullah Al-Yami, Ali Al-Safran
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Publication number: 20230416587Abstract: Methods for making and using an invert-emulsion drilling fluid, and the invert-emulsion drilling fluid are provided. An exemplary invert-emulsion drilling fluid includes a C-36 dimer diamine dihydrochloride salt (CDDH), an aqueous solvent, a non-aqueous solvent, an emulsifier, and calcium chloride.Type: ApplicationFiled: June 27, 2022Publication date: December 28, 2023Inventors: Vikrant Wagle, Abdullah Saleh Hussain Al-Yami, Omprakash Pal, Ali Mohammed Hussain Al Safran, Khawlah Alanqari
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Publication number: 20230416590Abstract: Methods for making and using an invert-emulsion drilling fluid, and the invert-emulsion drilling fluid are provided. An exemplary invert-emulsion drilling fluid a quaternary ammonium salt (QAS), an aqueous solvent, a non-aqueous solvent, calcium chloride, and a surfactant.Type: ApplicationFiled: June 27, 2022Publication date: December 28, 2023Inventors: Vikrant Wagle, Abdullah Saleh Hussain Al-Yami, Ali Mohammed Hussain Al Safran, Khawlah Alanqari
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Patent number: 11820708Abstract: Geopolymer cement slurries, cured geopolymer cements, and methods of making cured geopolymer cement and methods of using geopolymer cement slurries are provided. The geopolymer cement slurry comprises Saudi Arabian volcanic ash, an aqueous solution, Na2SiO3, NaOH, and a resin. The Saudi Arabian volcanic ash comprises SO3, CaO, SiO2, Al2O3, Fe2O3, MgO, and K2O.Type: GrantFiled: March 18, 2020Date of Patent: November 21, 2023Assignee: Saudi Arabian Oil CompanyInventors: Khawlah A. Alanqari, Abdullah S. Al-Yami
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Patent number: 11820707Abstract: Geopolymer cement slurries, cured geopolymer cements, and methods of making cured geopolymer cement and methods of using geopolymer cement slurries are provided. The geopolymer cement slurry comprises cement precursor material, Saudi Arabian volcanic ash, and an aqueous solution. The Saudi Arabian volcanic ash comprises SO3, CaO, SiO2, Al2O3, Fe2O3, MgO, and K2O.Type: GrantFiled: March 18, 2020Date of Patent: November 21, 2023Assignee: Saudi Arabian Oil CompanyInventors: Khawlah A. Alanqari, Abdullah S. Al-Yami
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Publication number: 20230295484Abstract: Lost circulation material (LCM) compositions may include a resin; an emulsifier selected from the group consisting of ethoxylated phenol, sodium salt of modified tall oil fatty amide, carboxylic acid terminated fatty polyamide, modified amidoamine, tall oil fatty acid, oxidized tall oil fatty amidoamine, ether carboxylic acid, and combinations thereof; a crosslinker; a cementitious and/or weighting agent; a retarder; a dispersant; and a silicon-based defoamer. The LCM compositions may have a thickening time of from about 3 hours than about 6 hours by reaching a Bearden consistency of 100 Bc. Methods of eliminating or reducing lost circulation in a lost circulation zone from a well may include introducing these LCM compositions into the well.Type: ApplicationFiled: February 18, 2022Publication date: September 21, 2023Applicant: SAUDI ARABIAN OIL COMPANYInventors: Ali Al-Safran, Khawlah A. Alanqari, Vikrant Wagle, Abdullah S. Al-Yami
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Patent number: 11739250Abstract: Lost circulation material (LCM) compositions may include an epoxy resin, an emulsifier comprising a polyaminated fatty acid, water, a crosslinker, and an optional cementitious and/or weighting agent. These LCM compositions may have a density of from about 63 pounds per cubic foot (pcf) to about 99 pcf and may be capable of being injected through a drill bit of a drill string into a lost circulation zone in wellbores. Corresponding methods of eliminating or reducing lost circulation in a lost circulation zone from a well may include introducing these LCM compositions into the well.Type: GrantFiled: February 25, 2021Date of Patent: August 29, 2023Assignee: SAUDI ARABIAN OIL COMPANYInventors: Ali Al-Safran, Khawlah A. Alanqari, Vikrant Wagle, Abdulwahab Al-Joher, Abdullah S. Al-Yami
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Publication number: 20230151260Abstract: The present disclosure concerns a cement dispersant for cement compositions wherein the cement dispersant is a polynaphthalene sulfonate salt having a weight average molecular weight of from 2500 g/mol to 3000 g/mol. The cement compositions are of from 10 weight percent to 70 weight percent of a cement precursor based on the total weight of the cement composition, from 5 weight percent to 70 weight percent water based on the total weight of the cement composition, and from 0.001 percent by weight of cement (BWOC) to 1.0 percent BWOC the cement dispersant. The cement dispersant provides improved rheological properties, allowing for good cement dispensing and increased presence of weighting agents.Type: ApplicationFiled: November 18, 2021Publication date: May 18, 2023Applicant: Saudi Arabian Oil CompanyInventors: Khawlah A. Alanqari, Vikrant Wagle, Abdullah Al-Yami, Ali Al-Safran
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Patent number: 11624020Abstract: A method of reducing lost circulation includes introducing a lost circulation solution comprising Saudi Arabian volcanic ash, a curing agent, and a resin into a subsurface formation through a wellbore, wherein the Saudi Arabian volcanic ash comprises SO3, CaO, SiO2, Al2O3, Fe2O3, MgO, and K2O; and allowing the lost circulation solution to thicken within the subsurface formation, thereby forming a barrier between the subsurface formation and the wellbore to reduce lost circulation.Type: GrantFiled: December 29, 2021Date of Patent: April 11, 2023Assignee: Saudi Arabian Oil CompanyInventors: Khawlah A. Alanqari, Vikrant Wagle, Abdullah Al-Yami, Ali Al-Safran
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Patent number: 11618842Abstract: A method includes introducing an epoxy resin system to a wellbore defect in a wellbore. The epoxy resin system comprises a polyhedral oligomeric silsesquioxane (POSS) epoxy resin with at least one reactive group and a curing agent. The method includes maintaining the epoxy resin system in the wellbore such that a cured epoxy resin system product forms in the wellbore defect.Type: GrantFiled: September 8, 2020Date of Patent: April 4, 2023Assignee: SAUDI ARABIAN OIL COMPANYInventors: Vikrant Wagle, Jothibasu Ramasamy, Abdullah S. Al-Yami, Khawlah A. Alanqari
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Patent number: 11466192Abstract: A sulfate-resistant cement composition may contain calcium magnesium aluminum oxide silicate, brownmillerite, dolomite, periclase, and calcium aluminum oxide. The composition may contain the calcium aluminum oxide in an amount in the range of 0.01 to 2.0 wt. %. The composition may contain the brownmillerite in an amount of the range of 20 to 30 wt. %.Type: GrantFiled: June 26, 2020Date of Patent: October 11, 2022Assignee: SAUDI ARABIAN OIL COMPANYInventors: Khawlah A. Alanqari, Abdullah Al-Yami, Ali Al-Safran, Vikrant Wagle
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Publication number: 20220267664Abstract: Lost circulation material (LCM) compositions may include an epoxy resin, an emulsifier comprising a polyaminated fatty acid, water, a crosslinker, and an optional cementitious and/or weighting agent. These LCM compositions may have a density of from about 63 pounds per cubic foot (pcf) to about 99 pcf and may be capable of being injected through a drill bit of a drill string into a lost circulation zone in wellbores. Corresponding methods of eliminating or reducing lost circulation in a lost circulation zone from a well may include introducing these LCM compositions into the well.Type: ApplicationFiled: February 25, 2021Publication date: August 25, 2022Applicant: SAUDI ARABIAN OIL COMPANYInventors: Ali Al-Safran, Khawlah A. Alanqari, Vikrant Wagle, Abdulwahab Al-Joher, Abdullah S. Al-Yami
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Patent number: 11370956Abstract: Lost circulation material (LCM) compositions for sealing lost circulation zones in wellbores may include an epoxy resin, a curing agent, an amide accelerator, and calcium carbonate having an average particle size of from 1,000 microns to 10,000 micron. The epoxy resin includes at least one of 2,3-epoxypropyl-o-tolyl ether, C12-C14 alkyl glycidyl ether, 1,6-hexanediol diglycidyl ether, butyl glycidyl ether, or cyclohexanedimethanol diglycidyl ether. The epoxy resin can also include bisphenol-A-epichlorohydrin epoxy resin. Methods of treating a lost circulation zone of a wellbore include injecting the LCM compositions into the lost circulation zone and curing the LCM compositions, where the LCM compositions include an epoxy resin, a curing agent, an amide accelerator, and calcium carbonate having an average particle size of from 1,000 microns to 10,000 microns.Type: GrantFiled: December 18, 2019Date of Patent: June 28, 2022Assignee: Saudi Arabian Oil CompanyInventors: Khawlah A. Alanqari, Abdullah Al-Yami, Vikrant Wagle, Ali Alsafran
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Patent number: 11359125Abstract: An invert-emulsion drilling fluid may include a dispersed aqueous phase including an aqueous base fluid, a continuous non-aqueous phase including a non-aqueous base fluid, and a first bridging package. The first bridging package may include one or more particulate carbonate materials. All of the particulate carbonate materials of the invert-emulsion drilling fluid may be part of the first bridging package. The first bridging package may have a trimodal particle size distribution such that the particle size distribution of the first bridging package includes three peaks, wherein each peak may be in the range of less than or equal to 300 microns in the particle size distribution. The invert-emulsion drilling fluid may be included in methods for reducing lost circulation in subterranean formations during drilling operations.Type: GrantFiled: April 27, 2020Date of Patent: June 14, 2022Assignee: Saudi Arabian Oil CompanyInventors: Abdullah Al-Yami, Vikrant Wagle, Sara Alkhalaf, Khawlah A. Alanqari
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Patent number: 11332656Abstract: A lost circulation material (LCM) composition for sealing lost circulation zones in wellbores may include 50 weight percent to 97 weight percent epoxy resin, 2 weight percent to 30 weight percent curing agent, 0.1 weight percent to 40 weight percent weighting material, and 0.1 weight percent to 20 weight percent amide accelerator. The LCM composition may have a density of greater than or equal to 1121 kilograms per cubic meter and may be capable of being injected through a drill bit of a drill string into the lost circulation zone. The amide accelerator may enable the viscosity of the LCM composition to be reduced while providing a reduced cure time. The LCM compositions are suitable for treating high-injectivity lost circulation zones.Type: GrantFiled: December 18, 2019Date of Patent: May 17, 2022Assignee: Saudi Arabian Oil CompanyInventors: Abdullah S. Al-Yami, Vikrant Wagle, Ali Alsafran, Khawlah A. Alanqari, Sara A. Alkhalaf
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Patent number: 11274241Abstract: Drilling fluid compositions and methods for using drilling fluid compositions are provided with enhanced anti-bit balling properties that includes an aqueous base fluid, one or more drilling fluid additives, and an anti-bit balling additive where the anti-bit balling additive comprises a C15-C18 alkene or a mixture of two or more C15-C18 alkenes. Methods for using the drilling fluid compositions may further include mixing the mixing an aqueous base fluid with one or more drilling fluid additives and an anti-bit balling additive, wherein the anti-bit balling additive includes a C15-C18 alkene or a mixture of two or more C15-C18 alkenes, and introducing the drilling fluid to a subterranean formation.Type: GrantFiled: June 5, 2020Date of Patent: March 15, 2022Assignee: SAUDI ARABIAN OIL COMPANYInventors: Khawlah A. Alanqari, Abdullah S. Al-Yami, Nasser Salem Alalhareth, Ali Mohammed Alsafran
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Publication number: 20220073807Abstract: A method includes introducing an epoxy resin system to a wellbore defect in a wellbore. The epoxy resin system comprises a polyhedral oligomeric silsesquioxane (POSS) epoxy resin with at least one reactive group and a curing agent. The method includes maintaining the epoxy resin system in the wellbore such that a cured epoxy resin system product forms in the wellbore defect.Type: ApplicationFiled: September 8, 2020Publication date: March 10, 2022Applicant: SAUDI ARABIAN OIL COMPANYInventors: Vikrant Wagle, Jothibasu Ramasamy, Abdullah S. Al-Yami, Khawlah A. Alanqari
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Patent number: 11214724Abstract: Drilling fluid compositions and methods for using drilling fluid compositions are provided with enhanced lubricating properties that include an aqueous-based fluid, one or more drilling fluid additives, and a lubricating additive. The lubricating additive may be an epoxidized ?-olefin and the drilling fluid may include the lubricating additive in an amount ranging from about 1 ppb to about 20 ppb. Methods for using the drilling fluid compositions may further include mixing an aqueous base fluid with one or more drilling fluid additives and a lubricating additive, wherein the lubricating additive includes epoxidized ?-olefin and the drilling fluid may include the lubricating additive in an amount ranging from about 0.5 ppb to about 20 ppb, and introducing the drilling fluid to a subterranean formation.Type: GrantFiled: July 30, 2020Date of Patent: January 4, 2022Assignee: SAUDI ARABIAN OIL COMPANYInventors: Vikrant Wagle, Jothibasu Ramasamy, Abdullah S. Al-Yami, Khawlah A. Alanqari
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Publication number: 20210403792Abstract: A sulfate-resistant cement composition may contain calcium magnesium aluminum oxide silicate, brownmillerite, dolomite, periclase, and calcium aluminum oxide. The composition may contain the calcium aluminum oxide in an amount in the range of 0.01 to 2.0 wt. %. The composition may contain the brownmillerite in an amount of the range of 20 to 30 wt. %.Type: ApplicationFiled: June 26, 2020Publication date: December 30, 2021Applicant: SAUDI ARABIAN OIL COMPANYInventors: Khawlah A. Alanqari, Abdullah Al-Yami, Ali Al-Safran, Vikrant Wagle