Filter Media For Sand Control Screen Assemblies
OwnerAntonio Lazo, Namhyo Kim +3inventors
InventorsAntonio Lazo, Namhyo Kim, David Underdown, John Alasdair Cameron, Rodney Joseph Wetzel, JR.
Life of this patent
Estimating the term…
Abstract
A sand control screen assembly having a filter medium that provides a controlled offset between a shroud and the filter medium, and/or between a base pipe and the filter medium. The sand control screen assembly may also include a drainage layer positioned about the base pipe. The sand control screen assembly is utilized for preventing the flow of particulate material of a predetermined size therethrough and allowing the flow of production fluids therethrough.
Claims18
A sand control screen assembly, comprising:
- a base pipe having openings through a thickness of the pipe;
- a filter medium disposed about the base pipe;
- and
- a radial extension for ensuring substantially uniform radial spacing relative to at least one of the filter medium's inner surface and outer surface.
A sand control screen assembly, comprising:
- a perforated base pipe;
- a filter medium disposed about the base pipe;
- and
- an offset means for providing a radial spacing relative to at least one of the filter medium's inner surface and outer surface.
Dependencies are inferred from the claim text.