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Inventor
HOYER CAREL W
GB
2 patents
Patents
2 patents
US8347983B2
Jan 8, 2013
Drilling with a high pressure rotating control device
WEATHERFORD LAMB
35 citations
95
US8636087B2
Jan 28, 2014
Rotating control system and method for providing a differential pressure
WEATHERFORD LAMB
10 citations
82