Shell Internationale Research Maatschappij
Shell Internationale Research Maatschappij Patent applications | ||
Patent application number | Title | Published |
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20130284436 | METHOD OF PROVIDING AN ANNULAR SEAL, AND WELLBORE SYSTEM - A method of providing an annular seal around a tubular in a wellbore penetrating a subsurface formation, the method comprising providing a tubular in the wellbore, wherein an annular space ( | 10-31-2013 |