Abstract: Synthesizing Janus material including forming a lamellar phase having water layers and organic layers, incorporating nanosheets and a functional agent into the lamellar phase, and attaching the functional agent to the nanosheets in the lamellar phase to form Janus nanosheets.
Abstract: The invention is directed to stable and labile crosslinked water swellable polymeric microparticles that can be further gelled, methods for making same, and their various uses in the hygiene and medical arts, gel electrophoresis, packaging, agriculture, the cable industry, information technology, in the food industry, papermaking, use as flocculation aids, and the like. More particularly, the invention relates to a composition comprising expandable polymeric microparticles having labile crosslinkers and stable crosslinkers, said microparticle mixed with a fluid and an unreacted tertiary crosslinker comprising PEI or other polyamine based tertiary crosslinker that is capable of further crosslinking the microparticle on degradation of the labile crosslinker and swelling of the particle, so as to form a stable gel.
Type:
Grant
Filed:
November 25, 2019
Date of Patent:
October 11, 2022
Assignees:
CONOCOPHILLIPS COMPANY, UNIVERSITY OF KANSAS
Inventors:
Ahmad Moradi-Araghi, Min Cheng, Riley B. Needham, James H. Hedges, Ramesh S. Sarathi, Faye L. Scully, Terry M. Christian, Huili Guan, Cory Berkland, Jenn-Tai Liang
Abstract: The present disclosure a pressure-bearing plugging agent, comprises a core, a first coating layer and a second coating layer which are sequentially coated on an outer surface of the core, wherein the core is made of a water-absorbing swellable material, the first coating layer is a paraffin layer, and the second coating layer is obtained by cementing the rigid particles with an adhesive.
Type:
Grant
Filed:
October 19, 2021
Date of Patent:
September 27, 2022
Assignee:
Southwest Petroleum University
Inventors:
Yang Bai, Lingfeng Wu, Pingya Luo, Haibo Liang, Wen Xu, Wenzhe Li, Feng Dai, Guancheng Jiang, Gang Xie, Jiading Deng
Abstract: A composition for use in a wellbore activity, the composition comprising an iodide brine, the iodide brine operable to be used in the wellbore activity, the iodide brine comprising an iodide salt, an aqueous fluid, and an iodide protectant, the iodide protectant operable to prevent the presence of free iodine in the iodide brine, where the iodide protectant is present in the range between 0.001 v/v % and 5 v/v % of the iodide brine.
Type:
Grant
Filed:
October 24, 2017
Date of Patent:
September 27, 2022
Assignee:
TETRA TECHNOLOGIES, INC.
Inventors:
Arthur G. Mack, Drew A. Fowler, Phillip A. Vincent
Abstract: The disclosure is directed to low molecular weight polyelectrolyte complex nanoparticles that can be used to deliver agents deep into hydrocarbon reservoirs. Methods of making and using said polyelectrolyte complex nanoparticles are also provided.
Type:
Grant
Filed:
April 19, 2021
Date of Patent:
September 20, 2022
Assignees:
UNIVERSITY OF KANSAS, CONOCOPHILLIPS COMPANY
Inventors:
Stephen J Johnson, Cory Berkland, Ahmad Moradi-Araghi, Jenn-Tai Liang, Terry M. Christian, Riley B. Needham, Min Cheng, Ying-Ying Lin, Andrew B. Woodside
Abstract: A waste vegetable-oil based emulsifier for use as drilling mud primary emulsifier is described. A first emulsifier is prepared from an alkyl ester of waste vegetable oil. The waste vegetable oil is vegetable oil which has been used for a process prior to preparing the first emulsifier. A quantity of the first emulsifier is added to an oil-based drilling fluid. A quantity of an activating agent is added to the oil-based drilling fluid. The activating agent is configured to activate the emulsifier to stabilize an emulsion. A quantity of viscosifier is added to the oil-based drilling fluid. A quantity of a second emulsifier is added to the oil-based drilling fluid. A quantity of weigh-up material is added to the oil-based drilling fluid. The resulting oil-based drilling fluid is used in a wellbore drilling operation to drill a wellbore in a subterranean zone.
Type:
Grant
Filed:
January 23, 2020
Date of Patent:
August 30, 2022
Assignee:
Saudi Arabian Oil Company
Inventors:
Jothibasu Ramasamy, Md Amanullah, Mujtaba M. Alsaihati
Abstract: A method comprises: deriving fluid properties that provide for suspension of particulate diverting agents using a 3-dimensional flow model and based on a downhole temperature and at least one size characteristic of the particulate diverting agents; identifying a treatment fluid composition that comprises a nanoparticulate suspending agent and achieves the fluid properties using a relationship between the treatment fluid composition and the fluid properties; and preparing a treatment fluid or a treatment fluid additive based on the treatment fluid composition.
Abstract: A method of removing a heterogeneous scale from a surface in fluid communication with a wellbore and/or subterranean formation comprising contacting the scale with a composition comprising tetrakis(hydroxmethyl)phosphonium sulfate (THPS) and N-(2-hydroxyethyl)ethylenediaminetriacetic acid (THEDTA) to dissolve the scale having a pH in the range of about 6.0 to 8.0. The composition is suitable to remove iron sulfide and calcium carbonate scale in the absence of corrosion resistance at a temperature up to about 150° C. Also, the composition may be used remove scale from surface pipe line and other petroleum oil handling equipment.
Type:
Grant
Filed:
September 17, 2018
Date of Patent:
August 23, 2022
Assignee:
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Abstract: A well treatment composition designed for the simultaneous enhancement of the production of both liquid and gaseous hydrocarbons from the same reservoir on a non-selective basis. The well treatment composition includes a first surfactant and a second surfactant, wherein the second surfactant is selected from the group consisting of ethylenediaminealkoxylate, diethylenetriaminealkoxylate, ethoxylated alkylene amines, ethoxylated alkyl amines, propoxylated alkylene amines, propoxylated alkyl amines, ethoxylated-propoxylated alkylene amines and ethoxylated-propoxylated alkyl amines. The well treatment composition also includes a first solvent, a second solvent and water. Methods for using the well treatment composition include the steps of emplacing the well treatment composition into wells having high and low gas-to-oil ratios.
Type:
Grant
Filed:
November 30, 2018
Date of Patent:
August 9, 2022
Assignee:
Flotek Chemistry, LLC
Inventors:
Andrei Zelenev, Lakia M. Champagne, Bill Zhou, Nathan L. Lett, Keith Ingram Dismuke, Glenn S. Penny
Abstract: A well treatment fluid composition that includes a tetrakis(hydroxyorgano)phosphonium salt and 1,3-dimethylol-5,5-dimethylhydantoin. Methods for preparing a well treatment fluid composition and treating a subterranean formation are also presented.
Type:
Grant
Filed:
March 1, 2021
Date of Patent:
July 5, 2022
Assignee:
SOLVAY USA INC.
Inventors:
Christopher Raymond Jones, Stephanie Edmunds, Jean C. Molina
Abstract: A method to control a heat transfer profile in a defined space, the method comprising the steps of introducing a thermally insulating packer fluid into the defined space such that the thermally insulating packer fluid forms a gelled solid and reduces a rate of heat transfer through the defined space as compared to a prior rate of heat transfer through the defined space before introducing the thermally insulating packer fluid, where the thermally insulating packer fluid comprises an acidic nanosilica dispersion and a polyamine.
Type:
Grant
Filed:
May 5, 2020
Date of Patent:
June 28, 2022
Inventors:
Vikrant Wagle, Abdullah Al-Yami, Zainab Alsaihati, Abdulaziz Alhelal
Abstract: Cementing compositions including a di- or poly epoxide resin, and amine hardener, and a di- or polyfunctional alkylphosphonate ester fortifier and methods of using the cementing compositions such as in a subterranean zone penetrated by a well bore.
Type:
Grant
Filed:
February 21, 2014
Date of Patent:
June 14, 2022
Assignee:
HALLIBURTON ENERGY SERVICES, INC.
Inventors:
Gary P. Funkhouser, Paul Joseph Jones, Greg Robert Hundt
Abstract: Disclosed herein are compositions and methods for delaying crosslinking of aqueous crosslinkable polymers such as polysaccharides in injectable compositions for hydraulic fracturing and related applications. The compositions and methods provide delayed crosslinking at high temperatures and pressures, such as those encountered by hydraulic fracturing compositions injected into subterranean environments. Compositions include injectable solutions comprising a competing agent that is a reaction product of a dialdehyde having 2 to 4 carbon atoms with a non-polymeric cis-hydroxyl compound. Provided are methods of making and using delayed-crosslinking compositions comprising crosslinker compositions containing zirconium complexes and the competing agents.
Type:
Grant
Filed:
January 10, 2020
Date of Patent:
April 5, 2022
Assignee:
ChampionX USA Inc.
Inventors:
Christopher Waller, Kirk E. Wells, Trinh Tran, Pablo Munoz
Abstract: A composition and method for hydraulically fracturing an oil or gas well to improve the production rates and ultimate recovery using a porous ceramic proppant infused with a chemical treatment agent is provided. The chemical treatment agent may be a tracer material that provides diagnostic information about the production performance of a hydraulic fracture stimulation by the use of distinguishable both water soluble and hydrocarbon soluble tracers. The tracer can be a biological marker, such as DNA. The porous ceramic proppant can be coated with a polymer which provides for controlled release of the chemical treatment agent into a fracture or well bore area over a period of time.
Type:
Grant
Filed:
June 10, 2019
Date of Patent:
March 29, 2022
Assignee:
CARBO CERAMICS INC.
Inventors:
Robert Duenckel, Mark Conner, Chad Cannan, Daniel Cady, Joshua Leasure, Thu Lieng, Todd Roper, Peter A. Read
Abstract: A crosslinked polymer comprising reactants of a first repeating unit, a second repeating unit, and a crosslinker that react to form the crosslinked polymer, wherein the first repeating unit is a sulfonic acid-containing monomer present from 1% to 45% by weight of the reactants, wherein the second repeating unit is selected from the group consisting of an N-vinyl amide-containing monomer, a terminal double bond-containing monomer, and any combination thereof, and is present from 55% to 99% by weight of the reactants, and wherein the crosslinker comprises at least two olefinic bonds.
Abstract: A composition for use in a wellbore activity, the composition comprising a stabilized monovalent iodide brine, the stabilized monovalent iodide brine comprises a monovalent salt system, the monovalent salt system comprises a monovalent iodide; a primary iodide stabilizer, the primary iodide stabilizer operable to remove free iodine, prevent the formation of free iodine, and suppress TCT; and an aqueous fluid, where the stabilized monovalent iodide brine has a density greater than 10 lb/gal, where the stabilized monovalent iodide brine has a TCT of less than or equal to 70 deg F.
Abstract: A friction reducing treatment solution that includes water, from 100 to 500,000 ppm of total dissolved solids, and from 0.5 to 3 gallons per thousand gallons of a water-in-oil emulsion containing a water soluble polymer. The total dissolved solids include at least 10 weight percent of a multivalent cation. The water-in-oil emulsion includes an oil phase and an aqueous phase, where the oil phase is a continuous phase containing an inert hydrophobic liquid and the aqueous phase is present as dispersed distinct particles in the oil phase and contains water, the water soluble polymer, and surfactants and an inverting surfactant. The water soluble polymer is made up of 30 to 60 weight percent of a non-ionic monomer, 5 to 50 weight percent of a sulfonic acid containing monomer, and 10 to 60 weight percent of a cationic monomer and makes up from 5 to 40 weight percent of the water-in-oil emulsion.
Type:
Grant
Filed:
July 29, 2019
Date of Patent:
March 1, 2022
Assignee:
SOLVAY USA INC.
Inventors:
Kevin Frederick, Shih-Ruey Chen, Randy Loeffler
Abstract: A composition including a coated nanoparticle and an ion, wherein the coated nanoparticle includes a nanoparticle, a linker, and a stabilizing group; methods of making and using the composition; and systems including the composition. The linker includes an anchoring group, a spacer, and a terminal group. The anchoring group is covalently bound to the nanoparticle and at least one of the terminal groups is covalently bound to at least one stabilizing group. A composition including a crosslinked-coated nanoparticle and an ion, wherein the crosslinked-coated nanoparticle includes a nanoparticle and a coating that includes a linker, a crosslinker, and a stabilizing group; methods of making and using the composition; and systems including the composition.
Type:
Grant
Filed:
June 13, 2019
Date of Patent:
February 22, 2022
Assignee:
Saudi Arabian Oil Company
Inventors:
Jason R. Cox, Dmitry Kosynkin, Hooisweng Ow
Abstract: A composition includes an aqueous colloidal dispersion of a nanomaterial. The nanomaterial includes, disposed on a surface of the nanomaterial, a first coupling agent including silane and a functional group including an amino acid. The nanomaterial includes, disposed on the surface of the nanomaterial, a second coupling agent including silane and a polymer with a molecular weight between 1,000 and 20,000.
Type:
Grant
Filed:
October 16, 2019
Date of Patent:
February 8, 2022
Assignees:
Saudi Arabian Oil Company, Massachusetts Institute of Technology
Inventors:
Abeer Mohammad Saleh Al-Olayan, Alfredo Alexander-Katz, Jason R. Cox