| 摘要 |
Assembly and method for locating lateral wellbores in a main wellbore casing for positioning completion members in the lateral wellbore and the main wellbore casing and for orientating and positioning reentry and completion devices into the lateral wellbores comprising a window formed in the wellbore casing which is defined by a sill being convergently curved up hole to the sill up hole apex, a second wellbore located proximate and in communication with the window, a tubular string and a housing member movable in the wellbore casing and connected to the tubular string, orientation and positioning member connected to the housing for orientating and positioning the housing relative to the window upon up hole movement of the housing and tubular string toward the up hole apex of the sill and tools for completion, work over, reentry, and reentry and completion being attached for their respective functions.
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