Inventor
DONOVAN JOSEPH F
US21 patents
⚠️ This page may combine multiple inventors who share the name “DONOVAN JOSEPH F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
16 patentsUS6167965B1Jan 2, 2001
Electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellbores
BAKER HUGHES INC440 citations98
US5662170ASep 2, 1997
Method of drilling and completing wells
BAKER HUGHES INC140 citations97
US5868210AFeb 9, 1999
Multi-lateral wellbore systems and methods for forming same
BAKER HUGHES INC175 citations96
US5762149AJun 9, 1998
Method and apparatus for well bore construction
BAKER HUGHES INC97 citations96
US6279658B1Aug 28, 2001
Method of forming and servicing wellbores from a main wellbore
BAKER HUGHES INC90 citations95
US5327974AJul 12, 1994
Method and apparatus for removing debris from a wellbore
BAKER HUGHES INC55 citations95
US4856591AAug 15, 1989
Method and apparatus for completing a non-vertical portion of a subterranean well bore
BAKER HUGHES INC81 citations95
US4917183AApr 17, 1990
Gravel pack screen having retention mesh support and fluid permeable particulate solids
BAKER HUGHES INC95 citations93
USRE34451ENov 23, 1993
Perforating gun with auger
BAKER HUGHES INC28 citations92
US5113941AMay 19, 1992
Surface sand detection monitoring device and method
BAKER HUGHES INC32 citations92
US5076355ADec 31, 1991
Perforating gun with auger
BAKER HUGHES INC26 citations92
US5016716AMay 21, 1991
Tubing carried perforating gun with insulation jacket
BAKER HUGHES INC27 citations92
US4915172AApr 10, 1990
Method for completing a non-vertical portion of a subterranean well bore
BAKER HUGHES INC51 citations92
US5150753ASep 29, 1992
Gravel pack screen having retention mesh support and fluid permeable particulate solids
BAKER HUGHES INC24 citations90
US5115864AMay 26, 1992
Gravel pack screen having retention means and fluid permeable particulate solids
BAKER HUGHES INC31 citations88
US5050678ASep 24, 1991
Gravel pack screen having retention means and fluid permeable particulate solids
BAKER HUGHES INC11 citations71
BAKER OIL TOOLS INC
4 patentsUS4747201AMay 31, 1988
Boosterless perforating gun
BAKER OIL TOOLS INC95 citations96
US4635734AJan 13, 1987
Boosterless perforating gun and method of assembly
BAKER OIL TOOLS INC35 citations92
US4667735AMay 26, 1987
Fluid pressure activated firing head for providing clean fluid
BAKER OIL TOOLS INC10 citations73
US4708200ANov 24, 1987
Apparatus for maintaining clean fluid in a chamber in a subterranean well tool
BAKER OIL TOOLS INC2 citations62