Cecil G.
Cecil G. Mcgavern, Spring, TX US
Patent application number | Description | Published |
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20080271893 | Method and Apparatus for Continuously Injecting Fluid in a Wellbore While Maintaining Safety Valve Operation - A kit for converting an existing wireline retrievable surface controlled subsurface safety valve ( | 11-06-2008 |
Cecil G. Mcgavern, Iii, Spring, TX US
Patent application number | Description | Published |
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20100186968 | Method and Apparatus for Continuously Injecting Fluid in a Wellbore While Maintaining Safety Valve Operation - A kit for converting an existing wireline retrievable surface controlled subsurface safety valve ( | 07-29-2010 |
Cecil G. Mcgavern, Iii, The Woodlands, TX US
Patent application number | Description | Published |
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20100018700 | Laminate Pressure Containing Body for a Well Tool - Apparatus if provided for use in wells, particularly wells that have high-pressure and high-temperature conditions in the well. The shells of completion equipment that is required to withstand the rigorous conditions in such wells are increased in strength by laminate layers that are formed of materials having higher yield strength than the yield strength of materials that can be used in well fluids. | 01-28-2010 |