E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/03 (2006.01) E21B 33/08 (2006.01) E21B 43/12 (2006.01) F16J 15/20 (2006.01)
Patent
CA 2415437
Disclosed herein are apparatus and methods for sealing an oil well stuffing box.
L'invention décrite dans le présent document porte sur des appareils et procédés conçus pour sceller un presse-étoupe de puits de pétrole.
Lappin Scott C.
Ridout & Maybee Llp
LandOfFree
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