-
-
-
-
-
-
-
-
-
-
-
-
-
Expanding tubing
-
Patent number 7,172,027
-
Issue date Feb 6, 2007
-
Weatherford/Lamb, Inc.
-
Neil Andrew Abercrombie Simpson
-
E21 - EARTH DRILLING MINING
-
-
-
-
Expanding tubing
-
Patent number 6,896,052
-
Issue date May 24, 2005
-
Weatherford/Lamb, Inc.
-
Neil Andrew Abercrombie Simpson
-
E21 - EARTH DRILLING MINING
-
-
-
-
-
-
-
Rotating bop and method
-
Patent number 6,129,152
-
Issue date Oct 10, 2000
-
Alpine Oil Services Inc.
-
David G. Hosie
-
E21 - EARTH DRILLING MINING
-
Valve seat and method
-
Patent number 6,082,707
-
Issue date Jul 4, 2000
-
Gulf Technologies International, L.C.
-
David G. Hosie
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Valve operator and method
-
Patent number 6,059,262
-
Issue date May 9, 2000
-
Gulf Technologies International, L.C.
-
David G. Hosie
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-