Patents by Inventor John D. DAFLER, JR.

John D. DAFLER, JR. 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).

  • Methods for retrieval and replacement of subsea production and processing equipment
    Patent number: 9556713
    Abstract: Generally, the present disclosure is directed to systems that may be used to facilitate the retrieval and/or replacement of production and/or processing equipment that may be used for subsea oil and gas operations. In one illustrative embodiment, a method is disclosed that includes, among other things, removing at least a portion of trapped production fluid (101a, 101b) from subsea equipment (100) while the subsea equipment (100) is connected to a subsea equipment installation (185) in a subsea environment (180), and storing at least the removed portion of the trapped production fluid (101a, 101b) in a subsea containment structure (120, 120a, 120b, 132) that is positioned in the subsea environment (180). Additionally, the disclosed method also includes disconnecting the subsea equipment (100) from the subsea equipment installation (185) and retrieving the subsea equipment (100) from the subsea environment (180).
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: January 31, 2017
    Assignee: FMC Technologies, Inc.
    Inventors: Michael R. Williams, Thomas L. Hergarden, Howard J. Hartley, Andrei Strikovski, Eric Randall Smedstad, Harold Brian Skeels, John D. Dafler, Jr., Jimmy D. Andrews
  • Methods for retrieval and replacement of subsea production and processing equipment
    Patent number: 9441461
    Abstract: Generally, the present disclosure is directed to systems that may be used to facilitate the retrieval and/or replacement of production and/or processing equipment that may be used for subsea oil and gas operations. In one illustrative embodiment, a method is disclosed that includes, among other things, removing at least a portion of trapped production fluid (101a, 101b) from subsea equipment (100) while the subsea equipment (100) is connected to a subsea equipment installation (185) in a subsea environment (180), and storing at least the removed portion of the trapped production fluid (101a, 101b) in a subsea containment structure (120, 120a, 120b, 132) that is positioned in the subsea environment (180). Additionally, the disclosed method also includes disconnecting the subsea equipment (100) from the subsea equipment installation (185) and retrieving the subsea equipment (100) from the subsea environment (180).
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: September 13, 2016
    Assignee: FMC Technologies, Inc.
    Inventors: Michael R. Williams, Thomas L. Hergarden, Howard J. Hartley, Andrei Strikovski, Eric Randall Smedstad, Harold Brian Skeels, John D. Dafler, Jr., Jimmy D. Andrews
  • METHODS FOR RETRIEVAL AND REPLACEMENT OF SUBSEA PRODUCTION AND PROCESSING EQUIPMENT
    Publication number: 20150361769
    Abstract: Generally, the present disclosure is directed to systems that may be used to facilitate the retrieval and/or replacement of production and/or processing equipment that may be used for subsea oil and gas operations. In one illustrative embodiment, a method is disclosed that includes, among other things, removing at least a portion of trapped production fluid (101a, 101b) from subsea equipment (100) while the subsea equipment (100) is connected to a subsea equipment installation (185) in a subsea environment (180), and storing at least the removed portion of the trapped production fluid (101a, 101b) in a subsea containment structure (120, 120a, 120b, 132) that is positioned in the subsea environment (180). Additionally, the disclosed method also includes disconnecting the subsea equipment (100) from the subsea equipment installation (185) and retrieving the subsea equipment (100) from the subsea environment (180).
    Type: Application
    Filed: August 10, 2015
    Publication date: December 17, 2015
    Applicant: FMC Technologies, Inc.
    Inventors: Michael R. WILLIAMS, Thomas L. HERGARDEN, Howard J. HARTLEY, Andrei STRIKOVSKI, Eric Randall SMEDSTAD, Harold Brian SKEELS, John D. DAFLER, JR., Jimmy D. ANDREWS
  • METHODS FOR RETRIEVAL AND REPLACEMENT OF SUBSEA PRODUCTION AND PROCESSING EQUIPMENT
    Publication number: 20150315879
    Abstract: Generally, the present disclosure is directed to systems that may be used to facilitate the retrieval and/or replacement of production and/or processing equipment that may be used for subsea oil and gas operations. In one illustrative embodiment, a method is disclosed that includes, among other things, removing at least a portion of trapped production fluid (101a, 101b) from subsea equipment (100) while the subsea equipment (100) is connected to a subsea equipment installation (185) in a subsea environment (180), and storing at least the removed portion of the trapped production fluid (101a, 101b) in a subsea containment structure (120, 120a, 120b, 132) that is positioned in the subsea environment (180). Additionally, the disclosed method also includes disconnecting the subsea equipment (100) from the subsea equipment installation (185) and retrieving the subsea equipment (100) from the subsea environment (180).
    Type: Application
    Filed: August 24, 2012
    Publication date: November 5, 2015
    Applicant: FMC Technologies, Inc.
    Inventors: Michael R. WILLIAMS, Thomas L. HERGARDEN, Howard J. HARTLEY, Andrei STRIKOVSKI, Eric Randall SMEDSTAD, Harold Brian SKEELS, John D. DAFLER, JR., Jimmy D. ANDREWS