Patents by Inventor Timothy J. Nedwed

Timothy J. Nedwed 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).

  • Patent number: 11905813
    Abstract: A slurry including a density-tunable heavy fracturing fluid and a method for completing a hydrocarbon well using such a slurry are provided herein. The slurry includes a proppant and the density-tunable heavy fracturing fluid, where the density-tunable heavy fracturing fluid includes a pseudo heavy fluid suspension, a concentrated aqueous solution of a soluble heavy compound, and/or a high-density organic solution. The density of the density-tunable heavy fracturing fluid is between 1.25 grams/milliliter (g/ml) and 3.4 g/ml. Moreover, the density of the density-tunable heavy fracturing fluid is selected based on the density of the proppant. According to the method provided herein, the slurry is used to provide for more effective placement of the proppant within the fractures than can be achieved using only a slurry including conventional fracturing fluid and the proppant.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: February 20, 2024
    Assignee: ExxonMobil Technology and Engineering Company
    Inventors: Timothy J. Nedwed, Dragan Stojkovic, Lee J. Hall
  • Patent number: 11820468
    Abstract: A remote survey system includes an unmanned surface vehicle that includes a body, a propulsion system coupled to the body to provide mobility to the unmanned surface vehicle to traverse a surface of a waterbody, and a thickness detection assembly mounted to a hull of the body and including one or more thickness detection cameras. A central computer system is located at a command center and in wireless communication with the unmanned surface vehicle via a communication module. The one or more thickness detection cameras are positioned to obtain one or more images or videos of an air-oil-water interface on the surface of the waterbody, and a thickness of a released substance present on the surface of the waterbody is determined based on the one or more images or videos of the air-oil-water interface.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: November 21, 2023
    Assignee: ExxonMobil Technology and Engineering Company
    Inventors: Timothy J. Nedwed, Douglas A. Mitchell, Timothy A. Thornton
  • Publication number: 20230175377
    Abstract: A slurry including a density-tunable heavy fracturing fluid and a method for completing a hydrocarbon well using such a slurry are provided herein. The slurry includes a proppant and the density-tunable heavy fracturing fluid, where the density-tunable heavy fracturing fluid includes a pseudo heavy fluid suspension, a concentrated aqueous solution of a soluble heavy compound, and/or a high-density organic solution. The density of the density-tunable heavy fracturing fluid is between 1.25 grams/milliliter (g/ml) and 3.4 g/ml. Moreover, the density of the density-tunable heavy fracturing fluid is selected based on the density of the proppant. According to the method provided herein, the slurry is used to provide for more effective placement of the proppant within the fractures than can be achieved using only a slurry including conventional fracturing fluid and the proppant.
    Type: Application
    Filed: November 14, 2022
    Publication date: June 8, 2023
    Inventors: Timothy J. NEDWED, Dragan STOJKOVIC, Lee J. HALL
  • Publication number: 20230151289
    Abstract: Methods include providing a natural gas stream; directing a first fraction of the natural gas stream to a bioreactor including a propagating culture of hydrocarbon degrading microbes; directing a second fraction of the gas stream to a local power generator and converting the natural gas stream to electricity and heat; using a dynamic control system to balance of the gas stream to the first fraction and the second fraction based on one or more of the availability of electricity from an electricity grid and the price of electricity from the electricity grid; powering, at least in part, the bioreactor with the electricity generated by the local power generator; and harvesting the hydrocarbon degrading microbes from the bioreactor as a biomass. Related systems are also provided.
    Type: Application
    Filed: November 1, 2022
    Publication date: May 18, 2023
    Inventors: Timothy J. NEDWED, Lin ZHAO, Sam AMINFARD
  • Publication number: 20220002616
    Abstract: A method of forming polymeric proppants in-situ during a fracturing operation. The method includes the steps of delivering reagents downhole and combining the reagents in a first mixing chamber to initiate polymerization; atomizing the combined reagents by passing them through an atomizer as they exit the first mixing chamber to form partially polymerized polymeric bodies; pumping water down a production casing; mixing the partially polymerized polymeric bodies and the water in a second mixing chamber; completing polymerization and forming solid polymeric proppants upon exiting the second mixing chamber; and passing the solid polymeric proppants through perforations in the casing and into fractures within the formation. A system for forming polymeric proppants in-situ during a fracturing operation and a method for forming solid polymeric proppants at the surface of a formation for use in a fracturing operation is also provided.
    Type: Application
    Filed: April 5, 2021
    Publication date: January 6, 2022
    Inventors: KAUSTUBH S. KULKARNI, DOUGLAS A. MITCHELL, TIMOTHY J. NEDWED, WILLIAM R. MEEKS, DARYL ALLEN
  • Patent number: 11035195
    Abstract: Methods of mitigating lost circulation while drilling a wellbore. The methods include circulating a drilling mud to a downhole end of the wellbore via a drill string and, during the circulating, drilling the wellbore with a drill bit of the drill string. The methods also include detecting lost circulation within the wellbore while drilling the wellbore and include providing a monomer solution to the wellbore. The methods further include providing a catalyst to the wellbore responsive to detecting the lost circulation event and combining the monomer solution and the catalyst to polymerize a monomer from the monomer solution, within the wellbore, and forming a viscous plug within the wellbore. Subsequent to the combining, the methods include flowing at least a portion of the viscous plug within the wellbore and into a zone of lost circulation that extends within a subsurface region.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: June 15, 2021
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Bill R. Meeks, Timothy J. Nedwed, Douglas A. Mitchell, Rachna Jain, Kaustubh S. Kulkarni
  • Publication number: 20210101664
    Abstract: A remote survey system includes an unmanned surface vehicle that includes a body, a propulsion system coupled to the body to provide mobility to the unmanned surface vehicle to traverse a surface of a waterbody, and a thickness detection assembly mounted to a hull of the body and including one or more thickness detection cameras. A central computer system is located at a command center and in wireless communication with the unmanned surface vehicle via a communication module. The one or more thickness detection cameras are positioned to obtain one or more images or videos of an air-oil-water interface on the surface of the waterbody, and a thickness of a released substance present on the surface of the waterbody is determined based on the one or more images or videos of the air-oil-water interface.
    Type: Application
    Filed: September 11, 2020
    Publication date: April 8, 2021
    Inventors: Timothy J. Nedwed, Douglas A. Mitchell, Timothy A. Thornton
  • Publication number: 20200208491
    Abstract: Systems, apparatus, and methods for controlling a well blowout comprising: a flow control device such as a blowout preventer on a wellbore, the primary throughbore of the flow control device comprising internal dimensional irregularities creating a non-uniform flow path in the primary throughbore which as sufficient fluid rate may enhance pressure fluid pressure drop therein; a control fluid aperture fluidly connected with the wellbore for introducing a control fluid through a control fluid aperture and into the primary throughbore while wellbore fluid flows through the wellbore; a hydrate component introduction pump for introducing the hydrate inducing component into the control fluid; a hydrate inducing fluid aperture positioned in the wellbore conduit below the control fluid aperture for introducing the hydrate inducing fluid into the wellbore and for combining with the control fluid that includes the hydrate inducing fluid to form a saturated hydrate forming fluid mixture within the primary throughbore wh
    Type: Application
    Filed: October 29, 2019
    Publication date: July 2, 2020
    Inventors: Timothy J. Nedwed, William R. Meeks, Rachna Jain, Kaustubh S. Kulkarni
  • Publication number: 20190186231
    Abstract: Methods of mitigating lost circulation while drilling a wellbore. The methods include circulating a drilling mud to a downhole end of the wellbore via a drill string and, during the circulating, drilling the wellbore with a drill bit of the drill string. The methods also include detecting lost circulation within the wellbore while drilling the wellbore and include providing a monomer solution to the wellbore. The methods further include providing a catalyst to the wellbore responsive to detecting the lost circulation event and combining the monomer solution and the catalyst to polymerize a monomer from the monomer solution, within the wellbore, and forming a viscous plug within the wellbore. Subsequent to the combining, the methods include flowing at least a portion of the viscous plug within the wellbore and into a zone of lost circulation that extends within a subsurface region.
    Type: Application
    Filed: November 13, 2018
    Publication date: June 20, 2019
    Inventors: Bill R. Meeks, Timothy J. Nedwed, Douglas A. Mitchell, Rachna Jain, Kaustubh S. Kulkarni
  • Patent number: 10287849
    Abstract: Systems, apparatus, and methods for controlling a well blowout comprising: a plug-forming agent reservoir comprising a plug-forming agent proximate a wellbore, the plug-forming agent reservoir in selective fluid communication with the wellbore; providing a pressure source capable of pressurizing the plug-forming agent reservoir containing the plug-forming agent to delivery pressure; and selectively introducing the pressurized first plug-forming agent into the wellbore to form a flow-restricting plug within the wellbore. Exemplary plug-forming agents are provided.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: May 14, 2019
    Assignee: ExxonMobil Upstream Resarch Company
    Inventors: Timothy J. Nedwed, William R. Meeks
  • Patent number: 10246983
    Abstract: A method for the subsea transport of a multi-phase production fluid from a wellhead to a point remote from the wellhead, the multi-phase production fluid comprising a water phase, an oil phase and a gas phase. The method includes introducing the multi-phase production fluid into a pipeline, the pipeline extending from proximate the wellhead to a point remote from the wellhead; imparting rotational motion to the multi-phase production fluid; wherein the rotational motion of the multi-phase production fluid separates the water phase from the oil phase and the gas phase and reduces the pressure drop along the pipeline. A system for the subsea transport of a multi-phase production fluid from a wellhead to a point remote from the wellhead and a method for reducing hydrate formation during the subsea transport of a multi-phase production fluid from a wellhead to a point remote from the wellhead are also provided.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: April 2, 2019
    Assignee: ExxonMobil Upstream Research
    Inventors: Timothy J. Nedwed, Xiaolei Yin
  • Patent number: 10087697
    Abstract: Systems, apparatus, and methods for controlling a well blowout comprising: a flow control device such as a blowout preventer on a wellbore, the primary throughbore of the flow control device comprising internal dimensional irregularities creating a non-uniform flow path in the primary throughbore which as sufficient fluid rate may enhance pressure fluid pressure drop therein; a control fluid aperture fluidly connected with the wellbore for introducing a control fluid through a control fluid aperture and into the primary throughbore while wellbore fluid flows through the wellbore; a weighted fluid aperture positioned in the wellbore conduit below the control fluid aperture for introducing a weighted fluid into the wellbore while control fluid is also being introduced into the wellbore through the control fluid aperture.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: October 2, 2018
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Timothy J. Nedwed, David R. Converse, Michael W. Eaton
  • Publication number: 20180274326
    Abstract: Apparatus, compositions, and methods for creating polymer plugs in wellbores and/or for enhancing wellbore stability, comprising: a flow control device such as a blowout preventer on a wellbore; a control fluid aperture fluidly connected with the wellbore for introducing a control fluid and/or a plug-forming agent such as a polymer, monomer, resinous, and/or crosslinkable material, through a control fluid aperture and into the primary throughbore while wellbore blowout fluid flows through the wellbore; and optionally, a weighted fluid aperture positioned in the wellbore conduit below the control fluid aperture for introducing a weighted fluid or another fluid or plug-forming agent into the wellbore. Exemplary plug-forming agents include dicyclopentadiene and norborene, and exemplary catalysts include Grubbs catalysts. The polymer plugs also may be utilized to hydraulic sealing within wellbores, such as during P&A and drilling operations for providing wellbore stability.
    Type: Application
    Filed: May 25, 2018
    Publication date: September 27, 2018
    Inventors: Timothy J. Nedwed, Patrick Brant, Bill R. Meeks
  • Publication number: 20180185802
    Abstract: An agent and a method for dispersing spilled oil, particularly on a body of water. The compound is a viscous dispersant liquid comprising a mixture of surfactants and a viscosifying agent that may be stored, shipped, mixed, and delivered on site using standard equipment and methods. The compound is released as a cohesive, persistent, visible, gel-like or paste-like liquid that floats on water. At least one method includes delivering the viscous dispersant liquid onto an oil spill in a body of water utilizing a jet airplane flying at over about 100 feet and spraying the liquid in large, pea-sized droplets.
    Type: Application
    Filed: March 1, 2018
    Publication date: July 5, 2018
    Inventors: Timothy J. Nedwed, Gerard P. Canevari, James R. Clark
  • Patent number: 10006265
    Abstract: Systems, apparatus, and methods for controlling a well blowout comprising: a flow control device such as a blowout preventer on a wellbore; a control fluid aperture fluidly connected with the wellbore for introducing a control fluid and/or a plug-forming agent such as a polymer, monomer, resinous, and/or crosslinkable material, through a control fluid aperture and into the primary throughbore while wellbore blowout fluid flows through the wellbore; and optionally, a weighted fluid aperture positioned in the wellbore conduit below the control fluid aperture for introducing a weighted fluid or another fluid or plug-forming agent into the wellbore.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: June 26, 2018
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Timothy J. Nedwed, Patrick Brant
  • Patent number: 9937474
    Abstract: An agent and a method for dispersing spilled oil, particularly on a body of water. The compound is a viscous dispersant liquid comprising a mixture of surfactants and a viscosifying agent that may be stored, shipped, mixed, and delivered on site using standard equipment and methods. The compound is released as a cohesive, persistent, visible, gel-like or paste-like liquid that floats on water. At least one method includes delivering the viscous dispersant liquid onto an oil spill in a body of water utilizing a jet airplane flying at over about 100 feet and spraying the liquid in large, pea-sized droplets.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: April 10, 2018
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Timothy J. Nedwed, Gerard P. Canevari, James R. Clark
  • Publication number: 20180030823
    Abstract: A method for the subsea transport of a multi-phase production fluid from a wellhead to a point remote from the wellhead, the multi-phase production fluid comprising a water phase, an oil phase and a gas phase. The method includes introducing the multi-phase production fluid into a pipeline, the pipeline extending from proximate the wellhead to a point remote from the wellhead; imparting rotational motion to the multi-phase production fluid; wherein the rotational motion of the multi-phase production fluid separates the water phase from the oil phase and the gas phase and reduces the pressure drop along the pipeline. A system for the subsea transport of a multi-phase production fluid from a wellhead to a point remote from the wellhead and a method for reducing hydrate formation during the subsea transport of a multi-phase production fluid from a wellhead to a point remote from the wellhead are also provided.
    Type: Application
    Filed: June 6, 2017
    Publication date: February 1, 2018
    Inventors: TIMOTHY J. NEDWED, Xiaolei Yin
  • Patent number: 9875421
    Abstract: Methods and systems described herein are useful for determining a thickness of a substance on a surface of a body of water, in particular through the use of a thickness detection apparatus that includes a body and at least one camera. The body has a plurality of sides with at least a portion of one of the sides comprising a light transmitting material. At least one camera is disposed within the body and configured to generate at least one image through the light transmitting material of the substances extending a depth below an air-substance interface.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: January 23, 2018
    Assignee: ExxonMobil Upstream Research Company
    Inventors: David A. Palandro, Timothy J. Nedwed, Timothy A. Thornton
  • Patent number: 9834460
    Abstract: Method and system is described to enhance operations for managing the hydrocarbon release. The method and system for managing a hydrocarbon release includes one or more vessels configured to collect mineral fines, to transfer the mineral fines to a hydrocarbon, and inject the mineral fines into the hydrocarbons at or near the hydrocarbon release location. The method may include subsea dredging or sediment collection in the vicinity of the mineral fines injection. This approach may be utilized to provide a continuous supply of material without interruption to injection operations.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: December 5, 2017
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Timothy J. Nedwed, David A. Palandro, Amy C. Tidwell
  • Patent number: 9810522
    Abstract: Method and system is described to enhance operations for managing the hydrocarbon release. The system utilizes an airborne detection device equipped with measurement components and communication components. The system may utilize various measurement techniques to determine the thickness of the oil slick. This remote detection method may provide a dedicated airborne detection device for each response vessel and that can identify the location and thickness of the oil slick.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: November 7, 2017
    Assignee: ExxonMobil Upstream Research Company
    Inventors: Timothy J. Nedwed, David A. Palandro