Patents Examined by John J. Figueroa
  • 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
    Inventors: Syed M. Shakil Hussain, Muhammad Shahzad Kamal, Abdullah S. Sultan
  • Patent number: 11498875
    Abstract: The present application discloses a method for fabricating a ceramic heating body with a porous heating film, which relates to technical field of fabricating method of heating body; the method including mixing, ball-milling, defoaming, molding and drying, sintering, paraffin filling, machining, coating, metalizing sintering, and electrode leading; the beneficial effects of the present application is simple in whole fabricating method, and by using a box furnace to sinter the green body under an oxidizing atmosphere and normal pressure, the fabricated ceramic heating body is heated uniformly and the heating efficiency is high.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: November 15, 2022
    Inventors: Yi Ding, Hongsheng Cheng
  • Patent number: 11499082
    Abstract: An invert oil-based mud (OBM) may include an oleaginous continuous phase, an aqueous internal phase, an emulsifier; and a rheology modifier. The rheology modifier may include one or more of the group consisting of epoxidized methyl oleate, epoxidized methyl linoleate, and epoxidized methyl ?-linolenate. The invert OBM may contain the rheology modifier in an amount of the range of 0.1 to 5 wt. % (weight percent) relative to the total weight of the OBM.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: November 15, 2022
    Inventors: Jothibasu Ramasamy, Vikrant Wagle
  • Patent number: 11492494
    Abstract: A method of increasing the strength of a carbonate rock is described. The carbonate rock may be located within a subterranean carbonate formation or may be located on a building exterior. The method involves contacting the carbonate rock with a composition comprising a zinc salt or a silicon alkoxide. This may increase the hardness of the carbonate rock by 10% or more.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: November 8, 2022
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Mahmoud Desouky, Murtada Al Jawad, Theis Ivan Solling
  • Patent number: 11491851
    Abstract: The principles and embodiments of the present disclosure relate generally to complexly curved laminates made from a complexly curved substrate and a flat substrate, such as automotive window glazings, and methods of cold forming complexly-curved glass products from a curved substrate and a flat substrate. In one or more embodiments, the laminate includes first complexly-curved glass substrate with a first surface and a second surface opposite the first surface, a second complexly-curved glass substrate with a third surface and a fourth surface opposite the third surface with a thickness therebetween; and a polymer interlayer affixed to the second convex surface and third surface, wherein the third surface and fourth surface have compressive stress values respectively that differ such that the fourth surface has as compressive stress value that is greater than the compressive stress value of the third surface.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: November 8, 2022
    Assignee: Corning Incorporated
    Inventors: William Keith Fisher, Mark Stephen Friske, Steven Luther Moyer, Paul George Rickerl
  • Patent number: 11479704
    Abstract: Described herein are fluids used to inhibit swelling of clay or shale formations, where the fluids include a drilling fluid and a clay stabilizer that include a potassium salt with a plurality of cations and are injectable into a wellbore.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: October 25, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sandeep Vasant Chavan, Sunita Sameer Kadam, Shreyasi Goswami
  • Patent number: 11479708
    Abstract: This document relates to methods for preventing or inhibiting the formation of micro-cracks and fractures in the cement of an oil well using cement compositions that contain cross-linked polyrotaxane additives. The cement compositions containing the cross-linked polyrotaxane additives exhibit increased stiffness without suffering a decrease in compressive strength, as compared to the same cement without the cross-linked polyrotaxane additive.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: October 25, 2022
    Assignee: Saudi Arabian Oil Company
    Inventors: Hasmukh A. Patel, Peter Boul, Carl Thaemlitz
  • Patent number: 11447705
    Abstract: Methods for use in treating hydrocarbon streams are provided. The methods of the present disclosure include; introducing one or more alcohols into a hydrocarbon stream that includes one or more hydrolyzable chloride compounds; allowing the one or more alcohols to interact with, the one or more hydrolyzable chloride compounds; and increasing: one of a solubility value or a dispersancy value of at least a portion of the hydrolyzable chloride compounds in the hydrocarbon steam.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: September 20, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Ronald Oliver Bosch, Richard Wayne Saulnier, Charles Richard Crow, Russell Cody Strong, Jr.
  • Patent number: 11447693
    Abstract: An oil field chemical-carrying material comprising polymeric particles and a process for making the same are disclosed. An oil field chemical is integrally incorporated into the granulated particle. The oil field chemical is in particular a tracer and the particle is in particular a proppant for use in hydraulic fracturing of a subterranean formation. Methods of delivering oil field chemicals, methods of monitoring subterranean formations, methods of tracing flow of fluid from hydrocarbon reservoirs and methods of hydraulic fracturing subterranean formations are also disclosed.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: September 20, 2022
    Assignee: Johnson Matthey Public Limited Company
    Inventors: David Jenkins, Chun-Tian Zhao
  • Patent number: 11440845
    Abstract: Disclosed are a fireproof material, a fireproof plate, a fireproof wall structure for tunnels and a construction method. The fireproof material includes the following components in weight ratio: 20-35 parts of aluminosilicate; 10-25 parts of calcium carbonate; 5-15 parts of magnesium oxide; 5-15 parts of silica; 20-40 parts of a binder; and 5-10 parts of a curing agent, the binder includes at least one of lithium silicate, potassium silicate and sodium silicate in combination with at least one of quartz sand and industrial sugar; and the curing agent is at least one of lithium oxide and magnesium oxide. In the preparation, firstly forming the mixture of aluminosilicate, magnesium oxide and silica into particles at 900° C.-1250° C., and then mixing the particles with calcium carbonate, the binder and the curing agent, and then pouring same into a forming mold and heating and pressing to form the fireproof material.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: September 13, 2022
    Assignee: Luyu Royal Gold Building Materials (Heyuan) Co., Ltd
    Inventor: Guofu Zhou
  • Patent number: 11434412
    Abstract: Methods are provided to inhibit scale formation in oil or gas production systems. In one embodiment, the scale inhibiting treatment comprises: A) an AAA terpolymer and B) a phosphonate. The treatment can be added to these systems in the well area itself, to the well annulus and its associated tubes, casings, etc., to the oil or gas bearing subterranean formation, to injection conduits for injecting steam or fracking fluid to the subterranean formation, to the produced water or to equipment in fluid flow contact with the produced water.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: September 6, 2022
    Assignee: BL Technologies, Inc.
    Inventors: Caroline Chihyu Sui, Claudia C. Pierce
  • Patent number: 11434415
    Abstract: The subject invention provides compositions comprising solvents and surfactants, as well as their use in improving oil and/or gas production. In some embodiments, the compositions comprise chemical or synthetic solvents and/or surfactants. In other embodiments, the compositions comprise biological components, such as microorganisms and/or their growth by-products. The subject invention can be used to dissolve, disperse and/or emulsify paraffin precipitates and/or deposits; prevent and/or inhibit paraffin deposition; remove rust deposits and prevent corrosion associated therewith; inhibit bacterial growth and/or biofilm formation; and to enhance oil recovery.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: September 6, 2022
    Inventors: Sean Farmer, Ken Alibek, Anthony Nerris, Tyler Dixon, Karthik N. Karathur
  • Patent number: 11435330
    Abstract: A method may include: preparing or providing an aqueous fluid containing iron ions; screening at least one iron control agent against the aqueous fluid; selecting at least one iron control agent and iron control agent concentration based at least in part on the step of screening; and preparing a fracturing fluid comprising an aqueous base fluid and the at least one iron control agent wherein a concentration of the iron control agent in the fracturing fluid is greater than or equal to the selected iron control agent concentration.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: September 6, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Leiming Li, Liang Xu, Scott Harris Bodnar, Todd Allen Collier, James William Ogle, Zhiwei Yue
  • Patent number: 11434417
    Abstract: A fluid for treating a subterranean formation includes a solvent, a rheology modifier, and a composition that includes a mixture of cellulose fibers and cellulose nanoparticles. The cellulose nanoparticles have a positive zeta potential in a range of about +100 mV to about +10 mV, and a length in a range of from about 50 nm to about 500 nm, and the cellulose fibers have a length from about 50 microns to about 500 microns.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: September 6, 2022
    Inventors: Valerie Gisele Helene Lafitte, Mohan Kanaka Raju Panga, Richard Berry
  • Patent number: 11427748
    Abstract: A mussel bionic gel composition includes: a mussel bionic copolymer and/or a mussel bionic compound, a cross-linking agent and water, wherein the mussel bionic copolymer includes a structural unit A from a vinyl monomer and a structural unit B from a vinyl-containing mussel bionic catechol group monomer; and the mussel bionic compound includes polyacrylamide and a mussel bionic catechol compound. The self-growth gel particle profile control and water plugging agent prepared from the composition is low in initial apparent viscosity, easy to inject and far in migration, has good shear repairing performance and is particularly applicable to a low-permeability fractured reservoir, thereby adjusting a micro-fracture network, improving a fracture channel and increasing waterflood efficiency and recovery efficiency.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: August 30, 2022
    Assignee: China University of Petroleum (East China)
    Inventors: Caili Dai, Lin Li, Jiawei Liu, Zhongzheng Xu, Guang Zhao, Mingwei Zhao, Yining Wu, Yongpeng Sun
  • Patent number: 11427752
    Abstract: Embodiments of the present disclosure are directed to a method of producing a viscoelastic surfactant (VES) fluid, the VES fluid comprising desulfated seawater. The method of producing the VES fluid comprises adding an alkaline earth metal halide to seawater to produce a sulfate precipitate. The method further comprises removing the sulfate precipitate to produce the desulfated water. The method further comprises adding a VES and one or more of a nanoparticle viscosity modifier or a polymeric modifier to the desulfated seawater. Other embodiments are directed to VES fluids that maintain a viscosity greater than 10 cP at temperatures above 250° F.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: August 30, 2022
    Assignee: Saudi Arabian Oil Company
    Inventors: Leiming Li, Feng Liang, Tao Chen
  • Patent number: 11427470
    Abstract: An aluminum nitride powder containing a very small amount of coarse particles. An aluminum nitride powder which provides a resin composition having high affinity for resins and high moisture resistance. The aluminum nitride powder has a volume average particle diameter D50 of 0.5 to 7.0 ?m in particle size distribution measured with a laser diffraction scattering particle size distribution meter, a D90/D50 ratio of 1.3 to 3.5 and a BET specific surface area of 0.4 to 6.0 m2/g and classified by removing coarse particles whose particle diameter is more than 5 times as large as D90. When resin paste obtained from this aluminum nitride powder and a resin is measured with a grind gauge, the upper limit particle diameter at which a streak is produced is not more than 5 times as large as D90.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: August 30, 2022
    Inventors: Yoshitaka Inaki, Yasushi Imoto, Yasuyuki Yamamoto, Masataka Himeno
  • Patent number: 11414511
    Abstract: The invention discloses a carboxymethyl inulin graft polymer scale and corrosion inhibitor and a preparation method thereof. The main chain of the carboxymethyl inulin graft polymer scale and corrosion inhibitor consists of the following repeating unit (I): in the repeating unit (I), x:y=(20˜80):(20˜80); the range of z is from 2 to 70, the degree of carboxymethyl substitution is from 1.5 to 2.5. The beneficial effect of the technical scheme proposed in the present invention is: it has excellent scale inhibition and corrosion inhibition properties; the monomers are cheap and easily available; the reaction conditions are mild and easy to control; at the same time, the monomer raw materials don't contain phosphorus and nitrogen, and are environmentally friendly.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: August 16, 2022
    Inventors: Weichu Yu, Aibin Wu, Jingfeng Dong, Zhenhu Lyu, Zhichen Wang, Fengjuan Zhang
  • Patent number: 11414352
    Abstract: Method of making foamed gypsum slurry having 15 to 90 volume percent gas bubbles including: passing first slurry including water and on dry basis 50 to 98 wt. % calcium sulfate hemihydrate, 1 to 50 wt. % calcium carbonate, and 0.1 to 10 wt. % cellulose thickener via a first hose to a Wye connector conduit first inlet opening at Rate C and passing alum solution via a second hose to a second inlet opening of the conduit at Rate D to create combined mixed stream passing from the conduit to a static mixer for mixing for Time 3 to activate at least a portion of the calcium carbonate and alum to generate CO2 and create the foamed gypsum slurry; transferring the slurry from the mixer to a cavity between two wall boards via a third hose. Allowing the slurry in the cavity to expand, harden and dry.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: August 16, 2022
    Inventors: David D. Pelot, Samar Emami, Robert H. Negri, Juan Carlos Ruiz Castaneda, Christopher R. Nelson, John J. Roxburgh, Edgar R. De La Rosa Cruz, Jorge A. Garcia Torres, Miguel Gama Goicochea, Antonio Contreras, Juan Huitzil
  • Patent number: 11399538
    Abstract: The present invention uses compound 3-OH-?-apo-13-carotenone (zaxinone) as a negative regulator of the plant hormone strigolactones (SLs). The compound 3-OH-?-apo-13-carotenone is a positive growth regulator which triggers the formation of crown roots and promotes growth in size and number of roots and shoots. Disclosed herein is a method of using 3-OH-?-apo-13-carotenone as a growth-promoting compound for cereal, grain and vegetable crops. The 3-OH-?-apo-13-carotenone compounds is also a negative regulator of strigolactone biosynthesis and release. Disclosed herein is a method of combating root parasitic weeds affecting cereal, grain and vegetable crops. Application of 3-OH-?-apo-13-carotenone to plant growth media down-regulates strigolactone production in cereal, grain and vegetable crops preventing root parasitic weed infestation of the crops by inhibiting germination of parasitic weed seeds.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: August 2, 2022
    Inventor: Salim Al-Babili