Patents by Inventor David A. Dolyniuk

David A. Dolyniuk 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: 9359871
    Abstract: A basket is attached below a retrievable bridge plug used during the pressure testing of a well to verify integrity prior to fracturing operations. After the pressure integrity test above the plug, the plug is released and retrieved and a series of balls of increasing diameter are dropped on increasingly larger ball seats to allow shifting sleeves to an open position from the heel of the well toward the surface to sequentially frac in that direction. If any segments of the sealing element break off they are captured and removed in the basket that has flow through opening small enough to retain the debris and allow flow through the basket during removal. The basket is slotted for through fluid flow and can have a breakaway for the support rod if the basket sticks when the plug is removed.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: June 7, 2016
    Assignee: Baker Hughes Incorporated
    Inventors: Matthew L. White, David A. Dolyniuk, Steve Rosenblatt
  • Patent number: 9004185
    Abstract: A plug drop tool, including a body defining a chamber, a plug initially housed in the chamber and a member disposed with the body. The member is actuatable for selectively enabling communication between the chamber and an annulus at least partially defined by the body. The plug is movable into the annulus when the communication is enabled.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: April 14, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Paul Madero, Clint E. Mickey, David A. Dolyniuk
  • Publication number: 20130228327
    Abstract: A basket is attached below a retrievable bridge plug used during the pressure testing of a well to verify integrity prior to fracturing operations. After the pressure integrity test above the plug, the plug is released and retrieved and a series of balls of increasing diameter are dropped on increasingly larger ball seats to allow shifting sleeves to an open position from the heel of the well toward the surface to sequentially frac in that direction. If any segments of the sealing element break off they are captured and removed in the basket that has flow through opening small enough to retain the debris and allow flow through the basket during removal. The basket is slotted for through fluid flow and can have a breakaway for the support rod if the basket sticks when the plug is removed.
    Type: Application
    Filed: March 5, 2012
    Publication date: September 5, 2013
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Matthew L. White, David A. Dolyniuk, Steve Rosenblatt
  • Publication number: 20130175053
    Abstract: A plug drop tool, including a body defining a chamber, a plug initially housed in the chamber and a member disposed with the body. The member is actuatable for selectively enabling communication between the chamber and an annulus at least partially defined by the body. The plug is movable into the annulus when the communication is enabled.
    Type: Application
    Filed: January 5, 2012
    Publication date: July 11, 2013
    Applicant: BAKER HUGHES INCORPORATED
    Inventors: Paul Madero, Clint E. Mickey, David A. Dolyniuk
  • Patent number: 6915858
    Abstract: A latching assembly for a lower collar on an inflatable is provided. After deflation, the lower collar is engaged to the mandrel so that the deflated inflatable can be advanced with other connected downhole equipment, such as screens to be expanded, in a location further downhole without swabbing.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: July 12, 2005
    Assignee: Baker Hughes Incorporated
    Inventors: David A. Dolyniuk, George S. Arnold
  • Publication number: 20030121670
    Abstract: A latching assembly for a lower collar on an inflatable is provided. After deflation, the lower collar is engaged to the mandrel so that the deflated inflatable can be advanced with other connected downhole equipment, such as screens to be expanded, in a location further downhole without swabbing.
    Type: Application
    Filed: October 24, 2002
    Publication date: July 3, 2003
    Inventors: David A. Dolyniuk, George S. Arnold