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Patent applications and USPTO patent grants for James; Henry J..The latest application filed is for "method of completing wells in which the lower tubing is suspended from a tubing hanger below the wellhead and upper removable tubing extends between the wellhead and tubing hanger".
Patent | Date |
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Method of completing wells in which the lower tubing is suspended from a tubing hanger below the wellhead and upper removable tubing extends between the wellhead and tubing hanger Grant 4,189,003 - James , et al. February 19, 1 | 1980-02-19 |
Plural parallel tubing with safety joints or release from suspended receptacle Grant 4,183,404 - James , et al. January 15, 1 | 1980-01-15 |
Apparatus for treating or completing wells Grant 4,143,712 - James , et al. March 13, 1 | 1979-03-13 |
Method And Apparatus For Treating And Preparing Wells For Production Grant 3,710,862 - Young , et al. January 16, 1 | 1973-01-16 |
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