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Apparatus for controlling fluid flow in a conduit wall

United States Patent

May 13, 2003
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A frangible rupture disk and mounting apparatus for use in blocking fluid flow, generally in a fluid conducting conduit such as a well casing, a well tubing string or other conduits within subterranean boreholes. The disk can also be utilized in above-surface pipes or tanks where temporary and controllable fluid blockage is required. The frangible rupture disk is made from a pre-stressed glass with controllable rupture properties wherein the strength distribution has a standard deviation less than approximately 5% from the mean strength. The frangible rupture disk has controllable operating pressures and rupture pressures.
Glass; S. Jill (Albuquerque, NM), Nicolaysen; Scott D. (Albuquerque, NM), Beauchamp; Edwin K. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
10/ 146,533
May 14, 2002
This invention was made with Government support under Contract No. DE-AC04-94AL85000 awarded by the Department of Energy. The Government has certain rights in the invention.