Browsing by Subject "166/250.08"

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    • Method for detecting a leak in a drill string valve 
      Schubert, Jerome J.; Alexander, Carmon H.; Juvkam-Wold, Hans C.; Weddle, Curtis E. III; Choe, Jonggeun (United States. Patent and Trademark Office; Texas A&M University. Libraries, 2002-12-31)
      A method for detecting a leak in a drill string valve used when drilling a subsea well. The method comprises measuring a first inlet pressure at a subsea mudlift pump while a subsea mudlift pump and a surface pump are ...