Patents Assigned to Dorstener Wire Tech
  • Sand Screen Filter with Non-Uniform Pores
    Publication number: 20190232202
    Abstract: A sand screen filter for an oil or gas well includes a support frame and a cylindrical woven wire mesh attached to the support frame. The woven wire mesh has a randomly varying pore size and or shape which creates fluid flow passages of varying sizes for the produced fluid. The sand screen filter may include an apertured protective shroud and may be attached to a perforated tubular. The woven wire mesh element may be used in any filter that includes a woven wire mesh element.
    Type: Application
    Filed: April 11, 2019
    Publication date: August 1, 2019
    Applicant: Dorstener Wire Tech
    Inventors: Rick T. Kenney, Ruediger Tueshaus, Patrick W. McGrenera
  • Drainage or Filter Layer for Well Screen Assembly with Integrated Stand-off Structure
    Publication number: 20100163481
    Abstract: An integral structure including woven wire cloth or non-woven metal filter medium for use as a drainage layer or filter layer in a well screen assembly is provided. A plurality of elongated members are welded on the woven metal cloth or non-woven metal filter medium to provide reduced resistance to flow parallel to a layer of the woven cloth. Segments of the woven or non-woven metal materials having elongated members joined thereto may be rolled into a cylinder to form a part of a well screen assembly.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 1, 2010
    Applicant: Dorstener Wire Tech
    Inventors: Patrick W. McGrenera, Douglas W. Weeks, Ruediger Tueshaus