Patents by Inventor Stace Brac McDaniel

Stace Brac McDaniel 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).

  • Annulus cementing tool for subsea abandonment operation
    Patent number: 9488024
    Abstract: A method for abandonment of a subsea well includes: fastening a pressure control assembly (PCA) to a subsea wellhead; and deploying a tool string into the PCA. The tool string includes a packer and an upper perforator located above the packer. The method further includes: closing a bore of the PCA above the tool string with a solid barrier; and setting the packer against an inner casing hung from the subsea wellhead. The method further includes, while the PCA bore is closed, perforating a wall of the inner casing by operating the upper perforator. The method further includes injecting cement slurry into an inner annulus formed between the inner casing and an outer casing hung from the subsea wellhead.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: November 8, 2016
    Assignee: Wild Well Control, Inc.
    Inventors: Corey Eugene Hoffman, Stace Brac McDaniel, Christopher John Murphy
  • Emergency disconnect system for riserless subsea well intervention system
    Patent number: 8857520
    Abstract: A method for riserless intervention of a subsea well includes: lowering a pressure control assembly (PCA) from a vessel to a subsea production tree; fastening the PCA to the tree; lowering a control pod from the vessel to the PCA using an umbilical; fastening the control pod to the PCA; lowering an end of a fluid conduit from the vessel to the PCA; and fastening the fluid conduit to the PCA using a dry break connection.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: October 14, 2014
    Assignee: Wild Well Control, Inc.
    Inventors: Corey Eugene Hoffman, Stace Brac McDaniel, Paul Alexander Blaikie
  • ANNULUS CEMENTING TOOL FOR SUBSEA ABANDONMENT OPERATION
    Publication number: 20130269948
    Abstract: A method for abandonment of a subsea well includes: fastening a pressure control assembly (PCA) to a subsea wellhead; and deploying a tool string into the PCA. The tool string includes a packer and an upper perforator located above the packer. The method further includes: closing a bore of the PCA above the tool string with a solid barrier; and setting the packer against an inner casing hung from the subsea wellhead. The method further includes, while the PCA bore is closed, perforating a wall of the inner casing by operating the upper perforator. The method further includes injecting cement slurry into an inner annulus formed between the inner casing and an outer casing hung from the subsea wellhead.
    Type: Application
    Filed: February 26, 2013
    Publication date: October 17, 2013
    Applicant: Wild Well Control, Inc.
    Inventors: Corey Eugene HOFFMAN, Stace Brac McDANIEL, Christopher John MURPHY
  • EMERGENCY DISCONNECT SYSTEM FOR RISERLESS SUBSEA WELL INTERVENTION SYSTEM
    Publication number: 20120273219
    Abstract: A method for riserless intervention of a subsea well includes: lowering a pressure control assembly (PCA) from a vessel to a subsea production tree; fastening the PCA to the tree; lowering a control pod from the vessel to the PCA using an umbilical; fastening the control pod to the PCA; lowering an end of a fluid conduit from the vessel to the PCA; and fastening the fluid conduit to the PCA using a dry break connection.
    Type: Application
    Filed: April 27, 2011
    Publication date: November 1, 2012
    Inventors: Corey Eugene Hoffman, Stace Brac McDaniel, Paul Alexander Blaikie