Downhole guide member for multiple casing strings
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 11, 2000
Grant Date -
N/A
app pub date -
Jun 22, 1998
filing date -
Jun 22, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A downhole casing guide member comprising a structure having a unitary formation wherein in a plane perpendicular to a center longitudinal axis of the structure, the unitary formation is generally 'Y' shaped in two opposite directions about the center longitudinal axis. The downhole casing guide member further comprises at least one clamping bracket member securable to the structure. The unitary formation of the structure serves to maximize available flow area for flow of fluid, liquid slurry and/or cement around the contour of the unitary formation and maximize the diameters of casing strings which may be run within a conductor casing; and tapered upper and lower shoulders on the casing guide member ease passage of the guide member into and out of a conductor casing. Further, the overall configuration and shape of the downhole guide member eases passage of casing strings lowered into or removed from the conduits formed by the guide member.
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