Patents by Inventor Peter Krawiec

Peter Krawiec 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).

  • SEAL OR FLUID BARRIER USING STRANDS
    Publication number: 20100038075
    Abstract: The present invention provides for a seal or barrier comprising strands that are woven or wrapped in an overlapping manner such as, for example, helical or circumferential patterns.
    Type: Application
    Filed: October 22, 2009
    Publication date: February 18, 2010
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Mitchell Price, Nathan Kathol, Craig Skeates, Peter Krawiec
  • Subsurface annular safety barrier
    Patent number: 7543652
    Abstract: A subsurface annular safety barrier for controlling fluid flow in the tubing-casing annulus in an annular flow well. The barrier may be positioned proximate the top of a formation to block fluid flow through the annulus upon loss of casing integrity. An embodiment of the annular safety barrier includes a packer and a valve, wherein the valve is operated to a closed position without mechanical manipulation of the tubing.
    Type: Grant
    Filed: September 19, 2006
    Date of Patent: June 9, 2009
    Assignee: Schlumberger Technology Corporation
    Inventors: Peter Krawiec, Dwayne D. Leismer, Youel G. Hilsman
  • Subsurface Annular Safety Barrier
    Publication number: 20070034380
    Abstract: A subsurface annular safety barrier for controlling fluid flow in the tubing-casing annulus in an annular flow well. The barrier may be positioned proximate the top of a formation to block fluid flow through the annulus upon loss of casing integrity. An embodiment of the annular safety barrier includes a packer and a valve, wherein the valve is operated to a closed position without mechanical manipulation of the tubing.
    Type: Application
    Filed: September 19, 2006
    Publication date: February 15, 2007
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Peter Krawiec, Dwayne Leismer, Youel Hilsman
  • Subsurface annular safety barrier
    Patent number: 7140447
    Abstract: A subsurface annular safety barrier including a tubing disposed within a wellbore casing forming a casing-tubing annulus to allow fluid flow from and/or to a subterranean formation, and an annular barrier carried by the tubing and positioned in the casing-tubing annulus proximate the top of a formation, separating communication between the formation and the upper portion of the casing-tubing annulus above the annular barrier, wherein the annular barrier is set in an open position to allow fluid communication between the formation and the upper portion of the casing-tubing annulus and operationally activatable, without mechanical manipulation of a pipe string, to a closed position to prevent undesired fluid flow between the formation and upper portion of the casing-tubing annulus.
    Type: Grant
    Filed: November 6, 2003
    Date of Patent: November 28, 2006
    Assignee: Schlumberger Technology Corporation
    Inventors: Peter Krawiec, Dwayne D. Leismer, Youel G. Hilsman
  • Seal or Fluid Barrier Using Strands
    Publication number: 20060108015
    Abstract: The present invention provides for a seal or barrier comprising strands that are woven or wrapped in an overlapping manner such as, for example, helical or circumferential patterns.
    Type: Application
    Filed: November 24, 2004
    Publication date: May 25, 2006
    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Mitchell Price, Nathan Kathol, Craig Skeates, Peter Krawiec
  • Subsurface annular safety barrier
    Publication number: 20040129433
    Abstract: A subsurface annular safety barrier including a tubing disposed within a wellbore casing forming a casing-tubing annulus to allow fluid flow from and/or to a subterranean formation, and an annular barrier carried by the tubing and positioned in the casing-tubing annulus proximate the top of a formation, separating communication between the formation and the upper portion of the casing-tubing annulus above the annular barrier, wherein the annular barrier is set in an open position to allow fluid communication between the formation and the upper portion of the casing-tubing annulus and operationally activatable, without mechanical manipulation of a pipe string, to a closed position to prevent undesired fluid flow between the formation and upper portion of the casing-tubing annulus.
    Type: Application
    Filed: November 6, 2003
    Publication date: July 8, 2004
    Inventors: Peter Krawiec, Dwayne D. Leismer, Youel G. Hilsman