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US 5,511,616 AGranted
Hydrocarbon recovery method using inverted production wells
AssigneeMobil Oil Corporation
InventorDavid R. Bert
Life of this patent
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AssigneeMobil Oil Corporation
InventorDavid R. Bert
Estimating the term…
A method using an "inverted" production well for recovering hydrocarbons from a subterranean reservoir wherein the production wellbore has a substantially vertical, non-inverted portion with angle building to near 90.degree.; an integral, substantially horizontal portion which extends into said reservoir; and an integral, upwardly curving tail portion which terminates near the top of the reservoir. A string of production tubing which may include a downhole pump is positioned within the non-inverted portion of wellbore. The inverted well increases the production interval within the reservoir and reduces bottom-water coning. Further, a plug can be set in the tail portion to reduce the production of steam through the wellbore. In another embodiment of the present invention, a single inverted well may be used both for injecting steam and producing fluids by extending a string of injection tubing through or adjacent to the production tubing and into the tail portion of the wellbore.
A method for producing hydrocarbons from a subterranean reservoir, said method comprising:
A method of producing hydrocarbons from a subterranean reservoir comprising:
A production well for producing hydrocarbons from a subterranean reservoir, said well having an inverted well bore comprising:
Dependencies are inferred from the claim text.