Inventor · disambiguated record

Benjamin R. Orr

Also filed as: ORR BENJAMIN R

1 granted patent·9 citations·filing 2010–2010

31Inventor score

Technology areasE21B

Files withBAKER HUGHES INC1

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1 record

0179US8347969B2Apparatus and method for compensating for pressure changes within an isolated annular space of a wellboreBAKER HUGHES INC·Filed 2010·Granted Jan 8, 2013·9 cites·21 claims

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