| 摘要 |
A method of drilling a wellbore useful for the recovery of hydrocarbons from a subsurface reservoir, the method comprising stopping of steam injection into the subsurface reservoir after detecting non-organized steam displacement to a rock cover of the subsurface reservoir and steam manifestations on the surface, drilling a wellbore comprising a substantially horizontal productive portion lying within the subsurface reservoir; and subsequent artificial hydrocarbon lift close to the steam manifestations on the surface. In another embodiment, the method further comprises drilling one or more substantially vertical wellbores; and perforating thereof to a depth of the substantially horizontal productive portion of the wellbore. A drilled wellbore comprising a substantially horizontal productive portion lying within a subsurface reservoir, extending through the subsurface reservoir in the area of the steam manifestations on the surface, wherein said production portion located within a depth range defined by an upper depth limit of approximately 200 feet TVDSS above a top-most perforation of one or more of the substantially vertical wellbores and a lower depth limit of approximately 50 feet TVDSS beneath a bottom-most perforation of one or more of the substantially vertical wellbores and within a lateral range of approximately 100 feet of one or more of the substantially vertical wellbores. |
