US Patent 7401788 High pressure and temperature seal for downhole use
Patent 7401788 was granted and assigned to Baker Hughes on July, 2008 by the United States Patent and Trademark Office.
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A seal for use in temperature and pressure extremes is disclosed. It features springs internal to the sealing members and the ability to seal against pressure differentials from opposed directions. A spacer ring prevents contact from oppositely oriented seal components and at the same time prevents spring and seal collapse under extreme loading conditions. The seal assembly is self-centering in a downhole seal bore and can be used on tools delivered on wireline, where the insertion forces available are at a minimum. The seal can withstand pressure differentials in excess of 13,500 PSI and temperatures above 350 degrees Fahrenheit.
US Patent 07401788 High pressure and temperature seal for downhole use US Patent 7401788 High pressure and temperature seal for downhole use
US Patent 07401788 High pressure and temperature seal for downhole use
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