Patents by Inventor Evan LLOYD

Evan LLOYD 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).

  • Publication number: 20190009329
    Abstract: In some aspects, the present disclosure provides new nanomaterials which are passivized by the polymerization of an olefin catalyzed by the nanomaterial. In some embodiments, these nanomaterials exhibit increased stability in the ambient atmosphere. In other aspects, the present disclosure provides methods of preparing nanomaterials as well as use of these nanomaterials in a fuel such as a rocket fuel.
    Type: Application
    Filed: August 12, 2016
    Publication date: January 10, 2019
    Applicant: Saint Louis University
    Inventors: Paul A. JELLISS, Steven W. BUCKNER, Brandon J. THOMAS, Evan LLOYD
  • Patent number: 10156120
    Abstract: A downhole system useable for downhole operations that includes a work string comprising a downhole end; a setting sleeve coupled with the downhole end; and a downhole tool engaged with the setting sleeve during run-in. The setting sleeve has an outer sleeve surface having an at least one channel disposed therein. The downhole tool includes a mandrel made of a composite material.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: December 18, 2018
    Assignee: Downhole Technology, LLC
    Inventors: Evan Lloyd Davies, Duke VanLue
  • Publication number: 20180274315
    Abstract: A fingered member for a downhole tool that includes: a circular body; a plurality of fingers extending from the circular body; a recessed region formed in the circular body; a void formed between respective fingers; and a transition zone between the circular body and the plurality of fingers. The transition zone further includes an inner surface and an outer surface.
    Type: Application
    Filed: June 1, 2018
    Publication date: September 27, 2018
    Inventors: Evan Lloyd Davies, Duke Vanlue, Luis Miguel Avila
  • Patent number: 10036221
    Abstract: A downhole tool having a mandrel made of composite material, a fingered member disposed around the mandrel, and a first conical member also disposed around the mandrel. There is an insert positioned proximate to the fingered member and the first conical member, and in engagement with an end of the fingered member. The insert has a circular body, a first end, a second end, and a helical winding groove formed in the circular body between the first end and the second end.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: July 31, 2018
    Assignee: Downhole Technology, LLC
    Inventors: Evan Lloyd Davies, Duke VanLue, Luis Miguel Avila
  • Patent number: 10024126
    Abstract: A downhole tool having a mandrel, a first conical member, and a fingered member. The fingered member is proximate to the first conical member. The fingered member includes a circular body; a plurality of fingers extending from the circular body; and a recessed region formed in the circular body. The downhole tool has a cone insert disposed in the recessed region.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: July 17, 2018
    Assignee: Downhole Technology, LLC
    Inventors: Evan Lloyd Davies, Duke VanLue, Luis Miguel Avila
  • Publication number: 20180187500
    Abstract: A fingered member for a downhole tool that includes a circular body made of a composite material, and also a plurality of fingers integral to and extending from the circular body. At least one of the plurality of fingers has an insert carriage disposed therein. The insert carriage is made of a reactive metallic material.
    Type: Application
    Filed: March 2, 2018
    Publication date: July 5, 2018
    Inventors: Luis Miguel Avila, Evan Lloyd Davies
  • Publication number: 20180179850
    Abstract: A downhole tool for use in a wellbore having a mandrel, a bearing plate, a composite slip, and a metal slip. The metal slip has a metal slip body having a one-piece configuration, an outer metal slip surface, an inner metal slip surface, and a plurality of metal slip grooves disposed therein. At least one of metal slip groove forms a lateral opening in the metal slip body. The metal slip is made of a reactive metal-based material.
    Type: Application
    Filed: February 21, 2018
    Publication date: June 28, 2018
    Inventors: Yanan Hou, Luis Miguel Avila, Evan Lloyd Davies, Duke Vanlue
  • Publication number: 20180179851
    Abstract: A downhole tool for use in a wellbore, the tool having a metal slip made of a reactive metallic material. The downhole tool further includes a mandrel made a composite material, a seal element, and a composite slip. The composite slip has a circular composite slip body having one-piece configuration with at least partial connectivity around the entire circular composite slip body, and an at least two slip grooves disposed therein.
    Type: Application
    Filed: February 26, 2018
    Publication date: June 28, 2018
    Inventors: Evan Lloyd Davies, Duke Vanlue
  • Publication number: 20180179852
    Abstract: A downhole tool suitable for use in a wellbore, the tool having a mandrel made of a reactive metallic material. The mandrel further includes a mandrel end having a failure point defined by an inner groove and a failure point wall thickness may be in the range of about 0.03 inches to about 0.1 inches. The downhole tool also has a first slip disposed about the mandrel; a second slip disposed about the mandrel; and a lower sleeve disposed about the mandrel proximate to the second slip. The lower sleeve is engaged with the mandrel.
    Type: Application
    Filed: February 19, 2018
    Publication date: June 28, 2018
    Inventors: Yanan Hou, Luis Miguel Avila, Evan Lloyd Davies, Duke Vanlue
  • Publication number: 20180171748
    Abstract: A downhole tool suitable for use in a wellbore that includes a wedge mandrel having a distal end; a proximate end; an outer surface; and a flowbore extending through the wedge mandrel from the proximate end to the distal end. The tool includes a fingered member disposed around the wedge mandrel. The tool includes a ball seat insert made of a reactive metal-based material, the ball seat insert disposed in the flowbore and engaged with a first set of threads. The tool includes a support platform disposed in the flowbore and engaged with a second set of threads.
    Type: Application
    Filed: February 19, 2018
    Publication date: June 21, 2018
    Inventors: Yanan Hou, Luis Miguel Avila, Evan Lloyd Davies, Duke Vanlue
  • Publication number: 20180155998
    Abstract: A downhole tool having a mandrel, a first conical member, and a fingered member. The fingered member is proximate to the first conical member. The fingered member includes a circular body; a plurality of fingers extending from the circular body; and a recessed region formed in the circular body. The downhole tool has a cone insert disposed in the recessed region.
    Type: Application
    Filed: January 23, 2018
    Publication date: June 7, 2018
    Inventors: Evan Lloyd Davies, Duke VanLue, Luis Miguel Avila
  • Publication number: 20180142096
    Abstract: Embodiments of the disclosure pertain to a composition of matter having a matrix, a thickener, a strengthener, and a soluble medium. The matrix may be about 100 parts by weight of a low viscosity cycloaliphatic epoxy resin with an anhydride curing agent. The thickener may be about 10-20 parts by weight of an additive comprising a clay. The strengthener may be about 5-10 parts by weight of a glass. The soluble medium may be about 20-30 parts by weight of a water-soluble fiber.
    Type: Application
    Filed: January 20, 2018
    Publication date: May 24, 2018
    Inventors: Liguo Li, Yanan Hou, David Hughes, Evan Lloyd Davies, Duke Vanlue
  • Patent number: 9970256
    Abstract: A downhole tool suitable for use in a wellbore, the downhole tool having a mandrel, a first and second slip, a conical surface, and a lower sleeve. An elongate member is disposed at least partially in each of the second slip, the conical surface, and the lower sleeve. The elongate member is not in contact with the mandrel, and has a body axis parallel to a long axis of the downhole tool.
    Type: Grant
    Filed: October 14, 2017
    Date of Patent: May 15, 2018
    Assignee: Downhole Technology, LLC
    Inventors: Evan Lloyd Davies, Duke Vanlue
  • Publication number: 20180073322
    Abstract: A downhole tool suitable for use in a wellbore, the downhole tool having a mandrel; a first slip disposed about the mandrel, a second slip disposed about the mandrel and proximate to a conical surface; and a lower sleeve engaged with the second composite slip. There is an elongate member disposed within the second slip, the lower sleeve, and the conical surface.
    Type: Application
    Filed: October 14, 2017
    Publication date: March 15, 2018
    Inventors: Evan Lloyd Davies, Duke Vanlue
  • Patent number: 9896899
    Abstract: A downhole tool for use in a wellbore, the downhole tool including a mandrel further comprising a first end and a second end. The second end includes a first outer surface area and a second outer surface area. The first outer surface area further includes at least one rounded segment that has a radius of curvature in longitudinal cross-section.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: February 20, 2018
    Assignee: Downhole Technology, LLC
    Inventors: Evan Lloyd Davies, Duke VanLue
  • Publication number: 20180038191
    Abstract: A downhole tool suitable for use in a wellbore, the tool comprising a hybrid sleeve in the form of a mandrel sleeve; and a sleeve insert disposed within the mandrel sleeve. The tool further includes a first slip disposed about the mandrel sleeve; and a second slip disposed about the mandrel sleeve and proximate to a conical surface. There is a lower sleeve proximate to the second slip.
    Type: Application
    Filed: October 13, 2017
    Publication date: February 8, 2018
    Inventors: Evan Lloyd Davies, Duke Vanlue, Yanan Hou, Liguo Li, David Hughes
  • Publication number: 20170335650
    Abstract: A downhole system useable for downhole operations that includes a work string comprising a downhole end; a setting sleeve coupled with the downhole end; and a downhole tool engaged with the setting sleeve during run-in. The setting sleeve has an outer sleeve surface having an at least one channel disposed therein. The downhole tool includes a mandrel made of a composite material.
    Type: Application
    Filed: August 10, 2017
    Publication date: November 23, 2017
    Inventors: Evan Lloyd Davies, Duke VanLue
  • Patent number: 9777551
    Abstract: A setting sleeve useable with a downhole system for isolating sections of a wellbore. The setting sleeve includes a first end; a second end; an outer surface; and an inner surface. There is a wall thickness formed between the inner surface and the outer surface. The setting sleeve can have at least one channel. There can be a plurality of linear channels disposed in the outer surface. In aspects, at least one channel has a rounded cross-sectional shape.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: October 3, 2017
    Assignee: Downhole Technology, LLC
    Inventors: Evan Lloyd Davies, Duke VanLue
  • Patent number: 9759029
    Abstract: A downhole tool for use in a wellbore that includes a mandrel made of a composite material, the mandrel having a distal end and a proximate end. The downhole tool has a metal slip having a slip body comprising at least one longitudinal hole, and a face surface configured with a set of mating grooves. The downhole tool has a lower sleeve disposed about the mandrel at the distal end, the lower sleeve having a set of pin inserts configured to engage the set of mating grooves.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: September 12, 2017
    Assignee: Downhole Technology, LLC
    Inventors: Evan Lloyd Davies, Duke VanLue
  • Patent number: 9715037
    Abstract: An integrated acoustic and induction logging tool enables efficient logging operations and reduces logging string length. In some of the disclosed embodiments, an integrated acoustic and induction logging tool includes a mandrel compatible with acoustic logging operations and induction logging operations. The integrated acoustic and induction logging tool also includes an acoustic logging transducer set and an induction logging coil set, where a plurality of transducers of the acoustic logging transducer set are interspersed among a plurality of coils of the induction logging coil set along the mandrel. A related assembly method includes obtaining a mandrel compatible with acoustic logging and induction logging. The method also includes assembling an acoustic logging transducer set and an induction logging coil set along the mandrel, where a plurality of transducers of the acoustic logging transducer set are interspersed among a plurality of coils of the induction logging coil set along the mandrel.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: July 25, 2017
    Inventors: Evan Lloyd Davies, Dustin Riley Stubbs, David Orlando Torres