Patents Examined by Anuradha Ahuja
  • Patent number: 10378325
    Abstract: Methods include combining an amount of water and an acid retarding agent (RA), where the amount of water is present in an amount up to about 5 times the mass of the RA, inclusive, and wherein the RA includes at least one salt compound. An amount of acid is dissolved in the combined amount of water and RA to form a composition, where the amount of acid is a molar ratio of acid:RA of between 4.0 and 0.2, inclusive, and wherein the amount of acid is up to about 36% by weight of total weight of the composition. The composition is injected into a wellbore penetrating a subterranean formation at a pressure, which may be less than the fracture initiation pressure of the subterranean formation in some cases, while in other cases equal to or greater than the fracture initiation pressure.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: August 13, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Mohan Kanaka Raju Panga, Christopher Daeffler, Olga Vladimirovna Nevvonen
  • Patent number: 10344564
    Abstract: Removing inorganic scale and other acid-soluble materials in the presence of a particulate pack can sometimes result in unwanted alterations to the particulate pack. Methods for removing inorganic scale can comprise: introducing a descaling agent comprising an N-(phosphonoalkyl)iminodiacetic acid or any salt thereof into a wellbore in fluid communication with a particulate pack, an inorganic scale being present in the wellbore or in the particulate pack; contacting the descaling agent with the particulate pack and the inorganic scale; and removing at least a portion of the inorganic scale using the N-(phosphonoalkyl)iminodiacetic acid or any salt thereof without substantially affecting the particulate pack.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: July 9, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Aaron Michael Beuterbaugh, Enrique Antonio Reyes, Alyssa Lynn Lablanc
  • Patent number: 10344588
    Abstract: Tracing subterranean fluid flow includes providing a first polymeric tracer to a first injector, collecting a first aqueous sample from a first producer, and assessing the presence of the first polymeric tracer in the first aqueous sample. The first polymeric tracer includes a first polymer formed from at least a first monomer. The presence of the first polymeric tracer in the first aqueous sample is assessed by removing water from the first aqueous sample to yield a first dehydrated sample. pyrolyzing the first dehydrated sample to yield a first gaseous sample, and assessing the presence of a pyrolization product of the first polymer in the first gaseous sample. The presence of the pyrolization product of the first polymer in the first gaseous sample is indicative of the presence of a first subterranean flow pathway between the first injector location and the first producer location.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: July 9, 2019
    Assignee: Saudi Arabian Oil Company
    Inventor: Jason R. Cox
  • Patent number: 10344544
    Abstract: A method of treating lost circulation issues stemming from loss zones during the drilling and cementing process through the utilization of a thixotropic cement. The method comprises the steps of encountering a loss zone in a bore hole during drilling or running casing and pumping a treatment fluid into the loss zone, wherein the treatment fluid is a gel capable of gelling, breaking when sheared, and building back shear strength after shearing is removed.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: July 9, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Krishna M. Ravi, Rahul Chandrakant Patil, Sandip Prabhakar Patil, Siva Rama Krishna Jandhyala, Ravinder Gahlawat
  • Patent number: 10344205
    Abstract: A system and methods for breaking friction reducers in subterranean formations in-situ during hydraulic fracturing operations are disclosed. A method of fracturing a subterranean formation is disclosed, including providing a well treating fluid, adding a friction reducer into a water phase of an emulsion, adding a breaker into the water phase, and injecting the well treating fluid into the subterranean formation at a pressure sufficient to fracture the subterranean formation and invert the emulsion and double emulsion, thereby allowing the breaker to break the friction reducer. A friction reducer-breaker system for breaking a friction reducer polymer in-situ is also disclosed, including an oil phase, a water phase including friction reducer polymers and breakers in double emulsion dispersed throughout the water phase, wherein the emulsion and double emulsion are configured to invert under shear, thereby providing for mixing between the friction reducer polymers and the breakers.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: July 9, 2019
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: HsinChen Chung, Prashant Dinkar Chopade
  • Patent number: 10337311
    Abstract: A variable strength proppant pack may be useful in maintaining a higher porosity and conductivity of the proppant pack over time. Forming a variable strength proppant pack may involve introducing a fluid having a composition into a subterranean formation having a fracture network therein, wherein the fluid composition changes between a plurality of compositions that comprise: a first proppant-laden fluid comprising first proppant particles, and a second proppant-laden fluid comprising second proppant particles having a crush strength greater than a crush strength of the first proppant particles; and forming a proppant pack in at least a portion of the fracture network, the proppant pack having first proppant portions comprising the first proppant particles and second proppant portions comprising the second proppant particles.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: July 2, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: B. Raghava Reddy, Ubong Inyang
  • Patent number: 10329859
    Abstract: Methods of treating a subterranean formation with treatment fluids containing novel fluid loss control additives comprising alkylpolyglucoside derivatives for treatment fluids are disclosed. In certain embodiments, the methods comprise providing a treatment fluid comprising an emulsion comprising an oleaginous phase and a non-oleaginous phase, a fluid loss control additive comprising an alkylpolyglucoside derivative; introducing the treatment fluid into a wellbore. Fluid loss control additives, drilling fluids, and systems suitable for use therewith are also provided.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: June 25, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Nivika Rajendra Gupta, Sharad Bhimrao Gotmukle
  • Patent number: 10329883
    Abstract: Inhibiting or preventing corrosion of metallic components downhole may be accomplished by introducing neutralization media into a wellbore in the proximity of downhole metallic components, where the neutralization media comprises magnesium and where the method further includes subsequently contacting the neutralization media with a potentially corrosive environment comprising at least 5 volume % water, where the water has a pH of less than 11. This contacting activates the neutralization media with the water thereby releasing magnesium ions, and the magnesium ions react with hydroxyl ions of the water to give magnesium hydroxide in an amount effective to raise the pH of the water present to be between about 8 and 12 thereby inhibiting or preventing corrosion of metallic components downhole.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: June 25, 2019
    Assignee: Baker Hughes, a GE company, LLC
    Inventors: Helmuth Sarmiento Klapper, Zhiyue Xu
  • Patent number: 10323479
    Abstract: A method for using an extended-life settable composition is disclosed. The method includes providing an extended-life settable composition comprising red mud, calcium hydroxide, water, and a cement set retarder. The method further includes activating the extended-life settable composition. The method additionally includes introducing the extended-life settable composition into a subterranean formation and allowing the extended-life settable composition to set in the subterranean formation.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: June 18, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Juan Humberto Martinez, Thomas Jason Pisklak, Jiten Chatterji, Darrell Chad Brenneis
  • Patent number: 10316612
    Abstract: A plug for Plug and Abandonment (P&A) operations and methods of installation and use. The plug is a two-part plug of bismuth-based alloy and resin, allowing for sealing of an oil well using two different mechanisms with a shorter plug.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: June 11, 2019
    Assignee: ConocoPhillips Company
    Inventor: Randall S. Shafer
  • Patent number: 10309207
    Abstract: Methods of preventing or minimizing communication between adjacent wells include providing a treatment fluid including a conformance chemical, a diverting agent, and a hydraulic cement, introducing the treatment fluid into a first well adjacent a second well, allowing the conformance chemical, the diverting agent, and the hydraulic cement to block fractures in the first well to prevent or minimize communication between the first well and the second well, stimulating the second well after blocking the fractures, and recovering a formation fluid from the first well, the second well, or both.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: June 4, 2019
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Ubong Inyang, Dipti Singh
  • Patent number: 10309208
    Abstract: Methods including introducing a solids-free high-viscosity fracturing fluid (HVFF) into a subterranean formation to create or enhance at least one dominate fracture, introducing a low-viscosity pad fluid (LVPadF) into the subterranean formation above the fracture gradient pressure to create or enhance at least one first microfracture, wherein the LVPadF comprises micro-proppant, and placing at least a portion of the micro-proppant into the at least one first microfracture. Alternatingly introducing a first low-viscosity proppant fluid (LVPropF) and a high-viscosity crosslinked spacer fluid (HVCSF) into the subterranean formation, wherein the first LVPropF comprises proppant aggregates and the HVCSF comprises a gelling agent, a crosslinking agent, and a breaker, and placing at least a portion of the proppant aggregates into the dominate fracture, where the HVCSF separates clusters of proppant aggregates in the dominate fracture.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: June 4, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Philip D. Nguyen, Walter T. Stephens
  • Patent number: 10301523
    Abstract: A granular lost circulation material for use in a wellbore during drilling operations to minimize loss of drilling fluid at a lost circulation area is disclosed. The granular lost circulation material comprises a granular material and a non-hardening tackifying agent. The granular material is coated with the non-hardening tackifying agent. The granular lost circulation material forms agglomerated particles, which form a filter cake at the lost circulation area.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: May 28, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sharath Savari, B. Raghava Reddy
  • Patent number: 10301919
    Abstract: A phase-change hydraulic fracturing process, including the following steps: (1) injecting clean water or conventional fracturing fluid to a formation, so that the formation fractures; (2) placing non-phase-change liquid and phase-change liquid in different liquid mixing tanks and injecting into a shaft at the same time, an injection volume ratio of the non-phase-change liquid to the phase-change liquid is (0-0.7):(0.3-1); (3) injecting a displacement fluid into the shaft, so that the non-phase-change liquid and the phase-change liquid in the shaft completely enter a reservoir; (4) performing well shut-in and pressure-out for 30-200 min, so that solid-phase matters generated by the phase-change liquid are laid in the fracture; and (5) relieving pressure to finish the construction.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: May 28, 2019
    Assignee: SOUTHWEST PETROLEUM UNIVERSITY
    Inventors: Liqiang Zhao, Yong Yang, Zhifeng Luo, Donghe Yu, Juan Du, Guohua Liu, Hang Che, Guangyan Du, Yuxin Pei, Nianyin Li, Pingli Liu, Kun Xu, Bingxiao Liu
  • Patent number: 10294764
    Abstract: Methods and compositions (e.g., comprising an emulsion or a microemulsion) for use in various aspects of the life cycle of an oil and/or gas well are provided. In some embodiments, an emulsion or the microemulsion comprises water, a solvent, and a surfactant, and optionally, one or more additives, such as a co-surfactant or a linker. In some embodiments, a concentrate is provided which may be used to form an emulsion or microemulsion.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: May 21, 2019
    Assignee: Flotek Chemistry, LLC
    Inventors: Lakia M. Champagne, James Silas, Gianna Pietrangeli, Daniel Collier Shedd
  • Patent number: 10287867
    Abstract: Methods including creating or extending a first main fracture with a pad fluid into a subterranean formation, wherein the pad fluid is a high-viscosity fluid; alternatingly introducing a micro-proppant fluid with the pad fluid, wherein the micro-proppant fluid is a low-viscosity fluid comprising micro-sized proppant particulates; creating or extending a first branch fracture extending from the first main fracture with the alternatingly introduced micro-proppant fluid, whereby at least a portion of the micro-sized proppant particulates enter into the first branch fracture and form at least a partial monolayer of micro-sized proppant particulates therein; and introducing a macro-proppant fluid through the first opening at a second flow rate, wherein the macro-proppant fluid is a low-viscosity fluid comprising macro-sized proppant particulates, and whereby at least a portion of the macro-sized proppant particulates enter into the first main fracture and form a proppant pack therein.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: May 14, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Philip D. Nguyen, Dipti Singh, Prashant D. Chopade, Travis Hope Larsen
  • Patent number: 10273778
    Abstract: A method for remediating a microannulus in a cased wellbore may include conveying a downhole tool into the cased wellbore to a location of interest. The location of interest may include one or more perforations in a casing and a microannulus. The downhole tool may include a heat generation device. The method may also include activating the heat generation device to melt a fill material at the location of interest such that the fill material flows through the perforations into one or more voids, including the microannulus, in or around cement disposed between the casing and the cased wellbore. Additionally, the method may include deactivating the heat generation device to facilitate solidification of the fill material in the one or more voids and sealing of the microannulus.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: April 30, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Matthew Edward Billingham, Ram Sunder Kalyanraman
  • Patent number: 10253609
    Abstract: Methods for acid diversion in a hydrocarbon-containing subterranean formation are disclosed. The methods include injecting an acid diversion agent comprising a water-soluble or dispersible branched polyhydroxyetheramine and injecting an acidic solution into a well which is in contact with the hydrocarbon-containing subterranean formation. Preferably, the acid solution is diverted toward a zone of the formation that has a lower permeability to fluid than an adjacent zone. This process improves the permeability of the hydrocarbon-containing subterranean formation to hydrocarbons, while decreasing the permeability of the formation to water or brine.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: April 9, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Kin-Tai Chang, Eldon Dwyann Dalrymple
  • Patent number: 10246956
    Abstract: Systems and methods recycle liquid(s) by introducing at least a portion of a first liquid from a first centrifuge into a tank. At least a portion of a second liquid is introduced from a second centrifuge into the tank. The first liquid and the second liquid are mixed together in the tank to produce a mixed liquid. At least a portion of the mixed liquid is introduced from the tank into the second centrifuge. Particles from the mixed liquid are separated using the second centrifuge, thereby producing the at least a portion of the second liquid that is introduced from the second centrifuge into the tank.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: April 2, 2019
    Inventors: Gary Fout, Leonardo Renzo Vicentini
  • Patent number: 10240445
    Abstract: A fracturing fluid viscosity-controlling agent maintains the high viscosity of the fracturing fluid during fracture formation in hydraulic fracturing and reduces the viscosity during recovery of the fracturing fluid. A fracturing fluid which includes the viscosity-controlling agent is provided as well as a crude oil or natural gas drilling method using the fracturing fluid with the viscosity-controlling agent. This viscosity-controlling agent contains polyalkylene oxide and a viscosity-reducing agent and is in the form of a tablet.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: March 26, 2019
    Assignee: Sumitomo Seika Chemicals Co., Ltd.
    Inventors: Toru Ido, Noboru Yamaguchi