E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/00 (2006.01) E21B 7/04 (2006.01)
Patent
CA 2707136
The present invention relates to drilling lateral wells or sidetrack wells from a primary wellbore to enhance the efficiency and productivity of oil and gas wells.
Eller John G.
Gantt Lamar L.
Hearn David D.
Venhaus Dan E.
Conocophillips Company
Osler Hoskin & Harcourt Llp
LandOfFree
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