Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Weatherford Lamb Inc filed Critical Weatherford Lamb Inc Priority to US12/462,266 priority Critical patent/US8347983B2/en Assigned to WEATHERFORD/LAMB, INC. Original Assignee Weatherford Lamb Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) White Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US12/462,266 Other versions US8347983B2
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Google Patents Drilling with a high pressure rotating control deviceĭownload PDF Info Publication number US20110024195A1 US20110024195A1 US12/462,266 US46226609A US2011024195A1 US 20110024195 A1 US20110024195 A1 US 20110024195A1 US 46226609 A US46226609 A US 46226609A US 2011024195 A1 US2011024195 A1 US 2011024195A1 Authority US United States Prior art keywords pressure sealing element cavity fluid pressure fluid Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US20110024195A1 - Drilling with a high pressure rotating control device US20110024195A1 - Drilling with a high pressure rotating control device
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