Patents Examined by Ashish K Varma
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Patent number: 11976237Abstract: A method may comprise operations for expanding a cement mixture with an alkali-silica reaction. The method may include positioning a cement mixture around a casing string downhole in a wellbore. The cement mixture may include a cement material and a silica material. The method may include curing the cement material to cause the cement material to contract. The silica material and alkali in the cement material may undergo an alkali-silica reaction to produce a gel that expands the cement mixture. The rate of expansion of the cement mixture from the gel may be equal to or greater than the rate of contraction of the cement mixture from curing.Type: GrantFiled: October 8, 2021Date of Patent: May 7, 2024Assignee: Halliburton Energy Services, Inc.Inventors: James Gillies, Samuel J. Lewis, Thomas Jason Pisklak
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Patent number: 11970423Abstract: Cement compositions of the present disclosure include a cement precursor, water, and a cement retarder that includes hydrocarboxylic acid derivatives. In particular, the cement compositions include from 10 wt. % to 70 wt. % cement precursor, from 5 wt. % to 70 wt. % water, and from 0.1 percent by weight of cement (BWOC) to 10 percent BWOC cement retarder comprising the hydrocarboxylic acid derivatives. The hydrocarboxylic acid derivatives provide increased thickening time to the cement compositions at downhole temperatures of greater than or equal to 50° C. The present disclosure further includes methods of cementing a wellbore using the cement compositions with the cement retarder comprising the hydrocarboxylic acid derivatives.Type: GrantFiled: December 7, 2021Date of Patent: April 30, 2024Assignee: Saudi Arabian Oil CompanyInventors: Sara Abdulaziz Alkhalaf, Abdullah Al-Yami, Vikrant Wagle, Ali Al Safran
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Patent number: 11965402Abstract: An electric submersible pump (ESP) assembly. The ESP assembly comprises an electric motor; a seal section coupled to the electric motor; a fluid intake coupled to an uphole end of the seal section, wherein the fluid intake defines a plurality of inlet ports; a gas separator comprising a plurality of gas phase discharge ports, and at least one liquid phase discharge port, wherein the gas separator is located uphole of the fluid intake; a centrifugal pump comprising a fluid inlet at a downhole end, wherein the at least one liquid phase discharge port of the gas separator is fluidically coupled to the fluid inlet of the centrifugal pump; and an inverted shroud assembly, wherein a downhole end of the inverted shroud assembly is coupled to an outside of the gas separator downhole of the gas phase discharge ports of the gas separator and uphole of the fluid intake.Type: GrantFiled: September 28, 2022Date of Patent: April 23, 2024Assignee: Halliburton Energy Services, Inc.Inventors: Donn J. Brown, Ketankumar Kantilal Sheth, Andre Joseph Bernier
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Patent number: 11965412Abstract: A quantitative evaluation method for integrity and damage evolution of a cement sheath in an oil-gas well is provided based on a fractal theory, an image processing technology, structural features and failure mechanisms of a casing-cement sheath-formation combination. The method uses correlations among fractal dimensions of casing-cement sheath interface morphology, cement sheath microscopic pore morphology, particle morphology of an initial blank group, and macroscopic mechanical properties including a radial cementing strength of the cement sheath interface, a tensile strength, and a compressive strength to quantitatively evaluate the integrity of the cement sheath of the blank group.Type: GrantFiled: May 5, 2023Date of Patent: April 23, 2024Assignee: SOUTHWEST PETROLEUM UNIVERSITYInventors: Kuanhai Deng, Niantao Zhou, Yuanhua Lin, Mingyuan Yao, Ming Zhang, Deqiang Yi, Pengfei Xie, Yang Peng
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Patent number: 11959379Abstract: Disclosed is a method for measuring gas pressure of a close-distance seam group simultaneously, including the following steps: constructing a pressure-measuring drill hole inclined downwards; lowering a first seam piezometer tube, lowering a baffle and a polyurethane blocking material after a tube head reaching a lowermost seam; and installing a gas pressure gauge; lowering a second seam piezometer tube, lowering the baffle and the polyurethane blocking material after the tube head reaching a second layer of seam; and installing the gas pressure gauge; lowering a nth seam piezometer tube, lowering the baffle and the polyurethane blocking material after the tube head reaching a nth layer of seam; and installing the gas pressure gauge; injecting a high-water and quick-solidifying material into the drill hole; and connecting the gas pressure gauges through optical fibers, and connecting the gas pressure gauges with a ground control system.Type: GrantFiled: November 9, 2023Date of Patent: April 16, 2024Assignee: Anhui University of Science and TechnologyInventors: Shaobo Li, Lei Wang, Xingang Niu, Chuanqi Zhu, Zhenyu Yang, Lipeng Chen, Yu Zhang
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Patent number: 11959017Abstract: A diverter agent includes a morpholinium based zwitterionic surfactant having a sulfonate terminal moiety; and an ammonium based zwitterionic surfactant.Type: GrantFiled: October 7, 2022Date of Patent: April 16, 2024Assignees: SAUDI ARABIAN OIL COMPANY, KING FAHD UNIVERSITY OF PETROLEUM & MINERALSInventors: Rajendra Arunkumar Kalgaonkar, Mohammed Abudullah Bataweel, Nour Othman Baqader, Nisar Ullah, Muhammad Mansha
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Patent number: 11946332Abstract: A swellable packer assembly that includes a mandrel, a sealing element disposed about a least a portion of the mandrel, and a degradable metal coating disposed about at least a portion of an outer surface of the sealing element. The degradable metal coating fluidly isolates the portion of an outer surface of the sealing element from an exterior of the coating and the sealing element is formed of a material responsive to exposure to a fluid in a wellbore to radially expand from the mandrel. The degradable metal coating is selectively removable from the mandrel downhole so as to expose the sealing element to the fluid in the wellbore.Type: GrantFiled: December 17, 2019Date of Patent: April 2, 2024Assignee: HALLIBURTON ENERGY SERVICES, INC.Inventors: Michael Linley Fripp, Xiaoguang Allan Zhong, Benjamin Jon Wellhoefer
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Patent number: 11946346Abstract: A technique facilitates dehydration of gravel slurry around blank pipe sections of a completion having filters for receiving carrier fluid returns. A sand screen filter system may be assembled with a first filter, a second filter, and a blank pipe section extending between the first filter and the second filter. A fixed leak off tube is mounted to the sand screen filter system such that at least a portion of the fixed leak off tube overlaps the first filter. Additionally, a slidable leak off tube is slidably mounted to the sand screen filter system. The slidable leak off tube is oriented to enable the slidable leak off tube to be slid along the blank pipe section until secured in fluid communication with the fixed leak off tube.Type: GrantFiled: February 20, 2020Date of Patent: April 2, 2024Assignee: Schlumberger Technology CorporationInventors: Michael Dean Langlais, Julien Debard
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Patent number: 11939523Abstract: A fracturing fluid may include an aqueous base fluid; a proppant material; and hydrophilic fibers having a length of about 250 microns to 10 millimeters. A method of performing a fracturing operation may include injecting a fracturing fluid comprising hydrophilic fibers having a length of about 250 microns to 10 millimeters and proppant into a wellbore.Type: GrantFiled: May 9, 2022Date of Patent: March 26, 2024Assignee: Schlumberger Technology CorporationInventors: Changsheng Xiang, Mohan Kanaka Raju Panga, Valerie Gisele Helene Lafitte, Zachary McCathran
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Patent number: 11940437Abstract: A method of determining waterflood residual oil saturation includes testing, in a laboratory multispeed centrifuge test, a reservoir core sample to obtain a set of average water saturation (Sw,avg) and imbibition capillary pressure (Pci) data points, applying a best-fit smoothing function to the data points to obtain a best-fit average saturation curve, converting the best-fit average saturation curve to an outlet-face saturation curve, applying a best-fit straight line to the outlet-face saturation curve associated with a substantially constant outlet water saturation and changing imbibition capillary pressure, and determining a waterflood residual oil saturation (Sorw) of the core sample. The waterflood residual oil saturation is associated with a point on the outlet-face saturation curve where the best-fit straight line deviates from the outlet-face saturation curve.Type: GrantFiled: August 7, 2018Date of Patent: March 26, 2024Assignee: Saudi Arabian Oil CompanyInventors: Yildiray Cinar, Tony R. Pham, Naseem J. Al-Dawood
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Patent number: 11932807Abstract: A wellbore treatment fluid is disclosed herein, the fluid comprising a butenediol vinyl alcohol copolymer. Also, a wellbore treatment fluid comprises a dissolvable material capable of forming a gel upon hydration, the dissolvable material having a cylindrical cross-sectional shape. Methods of treating a subterranean formation includes introducing a treatment fluid comprising a butenediol vinyl alcohol copolymer, and creating a plug with the treatment fluid.Type: GrantFiled: October 9, 2020Date of Patent: March 19, 2024Assignee: Schlumberger Technology CorporationInventors: Yenny Christanti, Konstantin Viktorovich Vidma, Changsheng Xiang, Samuel Danican, Valerie Gisele Helene Lafitte
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Patent number: 11933119Abstract: A method may include: circulating an oil-based drilling fluid though a drill string to extend a wellbore through a subterranean formation, wherein the oil-based drilling fluid comprises an invert emulsion; separating at least a portion of the oil-based drilling fluid from the circulated oil-based drilling fluid to form a separated portion of oil-based drilling fluid; mixing a metal salt and a metal oxide into the separated portion of the oil-based drilling fluid to form a chemical sealing pill; introducing the chemical sealing pill into the drill string and flowing the chemical sealing pill into a lost circulation zone in the subterranean formation; allowing at least a portion of the chemical sealing pill to set in the lost circulation zone to form a set plug, wherein the set plug seals the lost circulation zone and reduces loss of fluid into the lost circulation zone from subsequently introduced fluids; and preventing loss of fluid into the lost circulation zone from subsequently introduced fluids with the sType: GrantFiled: January 25, 2023Date of Patent: March 19, 2024Assignee: Halliburton Energy Services, Inc.Inventors: Waseem Abdulrazzaq, Jay Deville, Carlos Arturo Carrera
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Patent number: 11927079Abstract: A gravel pack system has a heel section and a toe section that is downhole from the heel section. The system also includes a conveyance having an interior passageway for fluid flow to the toe section, a closing sleeve that forms an annulus with the conveyance, a shunt having a first section that provides a fluid flow entrance into the shunt, a second section that extends to the heel section along the gravel pack system, and one or more nozzles along the second section that provides fluid flow out of the gravel pack system at the heel section, and a shroud having a first section that is coupled to the closing sleeve and a second section that is coupled to the shunt, where the shroud and the conveyance form a second annulus.Type: GrantFiled: January 28, 2022Date of Patent: March 12, 2024Assignee: Halliburton Energy Services, Inc.Inventors: Andrew D. Penno, Kevin Albert Graham Ross, Maxime P. Coffin
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Patent number: 11920091Abstract: The subject invention provides microbe-based products, as well as their use to improve oil production and refining efficiency by, for example, remediating the disposable layers in oil tanks and other oil storage units. In preferred embodiments, the microbe-based products comprise biochemical-producing yeast and growth by-products thereof, such as, e.g., biosurfactants. The subject invention can be used to remediate rag layer and/or other dissolved solid layers that form in water-oil emulsions. Furthermore, the subject invention can be used for remediating solid impurities, such as sand, scale, rust and clay, in produced water, flow-back, brine, and/or fracking fluids.Type: GrantFiled: December 26, 2022Date of Patent: March 5, 2024Assignee: LOCUS SOLUTIONS IPCO, LLCInventors: Sean Farmer, Ken Alibek, Kent Adams, Karthik N. Karathur
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Patent number: 11913323Abstract: A desander assembly retrievably positionable in a tubing string including a fishing neck, a bypass tool, a stop assembly configured to retrievably mate with a portion of the tubing string, an outer tubular member, and an inner tubular member. The outer tubular member has at least one aperture extending. The inner tubular member is positioned in the outer tubular member to form an annulus and so a bore of the inner tubular member is in fluid communication with the bypass tool. The inner tubular member has at least one spiral protrusion extending outwardly from the sidewall to cooperate with an interior side of the outer tubular member to form a spiral channel. The bore of the inner tubular member receives reservoir fluid that passes into the annulus formed between the inner tubular member and the outer tubular member via the apertures of the outer tubular member.Type: GrantFiled: February 7, 2023Date of Patent: February 27, 2024Inventor: Daniel J. Snyder
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Patent number: 11913297Abstract: A system includes a tubular body, a pressure actuated circulation valve, a first power section, an isolation valve, and a housing. The pressure actuated circulation valve is connected to the tubular body. The first power section is configured to rotate when a fluid is pumped from the pressure actuated circulation valve. The isolation valve is connected to the first power section. The isolation valve comprises a plurality of openings each having a different area and the fluid is exposed to a plurality of different flow path areas. The housing is connected to the isolation valve and comprises a set of springs connected to a piston. The set of springs are configured to pulsate the piston in response to the fluid being pumped through the plurality of different flow path areas and pulsation of the piston creates an axial force acting on the tubular body.Type: GrantFiled: December 22, 2022Date of Patent: February 27, 2024Assignee: SAUDI ARABIAN OIL COMPANYInventors: Abdullah H. Alotaibi, Saad M. Budair, Hezam H. Alhajri
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Patent number: 11912939Abstract: A dispersion of capsules in critical or supercritical carbon dioxide is provided. The capsules include an aqueous solution encapsulated by magnetic covalent organic framework particles. Also provided is a method of making a dispersion of aqueous solution capsules. The method includes providing a medium of critical or supercritical carbon dioxide, introducing the aqueous solution into the critical or supercritical carbon dioxide medium, and introducing a magnetic covalent organic framework particle into the critical or supercritical carbon dioxide medium. Associated methods of using the disclosed dispersions in hydrocarbon-bearing formations are also provided.Type: GrantFiled: March 26, 2021Date of Patent: February 27, 2024Assignee: SAUDI ARABIAN OIL COMPANYInventors: Abdulaziz S. Al-Qasim, Yuguo Wang
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Patent number: 11912932Abstract: An encapsulated polymer flooding method and system for enhancing oil recovery includes: (1) determining reservoir parameters, a well deployment, and a development dynamic state of a target oil reservoir; (2) determining a near-wellbore targeted profile control area and a far-wellbore targeted viscosification area; (3) designing and synthesizing an encapsulated polymer according to conditions of the target oil reservoir; (4) evaluating and determining whether the anti-shearing performance, the sustained release and viscosification performance, the injection performance, and the profile control performance of the encapsulated polymer meet expected performance requirements based on laboratory tests; (5) formulating an injection scheme for an encapsulated polymer flooding field; and (6) monitoring the development dynamic state of the oil reservoir; according to the present disclosure, the polymer is wrapped with a shell layer, which greatly reduces the shear degradation during injection of the polymer and effectiType: GrantFiled: June 21, 2023Date of Patent: February 27, 2024Assignee: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)Inventors: Jian Hou, Bei Wei, Yongsheng Liu, Kang Zhou, Qingjun Du, Yongge Liu
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Patent number: 11905464Abstract: A dispersion of capsules in critical or supercritical carbon dioxide is provided. The capsules include an aqueous solution encapsulated by covalent organic framework particles. Also provided is a method of making a dispersion of aqueous solution capsules. The method includes providing a medium of critical or supercritical carbon dioxide, introducing the aqueous solution into the critical or supercritical carbon dioxide medium, and introducing a covalent organic framework particle into the critical or supercritical carbon dioxide medium. Associated methods of using the disclosed dispersions in hydrocarbon-bearing formations are also provided.Type: GrantFiled: March 26, 2021Date of Patent: February 20, 2024Assignee: SAUDI ARABIAN OIL COMPANYInventors: Abdulaziz S. Al-Qasim, Yuguo Wang
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Patent number: 11884881Abstract: The disclosure is directed to methods and compositions delaying the gelation of polymers in water flooding by sequentially or co-injecting a carboxylate-containing polymer solution, a gel-delaying polymer, and gelation agent into a hydrocarbon reservoir. Delays of weeks are observed.Type: GrantFiled: June 10, 2022Date of Patent: January 30, 2024Assignees: CONOCOPHILLIPS COMPANY, UNIVERSITY OF KANSASInventors: Huili Guan, Cory Berkland, Ahmad Moradi-Araghi, Jenn-Tai Liang, Terry M. Christian, Riley B. Needham, Min Cheng