E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/04 (2006.01)
Patent
CA 2364917
The present invention provides improved apparatus and methods for use in completing a subterranean zone penetrated by a wellbore. One aspect of the invention is an apparatus comprising a tubular member having a first segment and a second segment, each segment containing a longitudinal bore. The tubular member forms an annulus between itself and the wellbore wall. At least one screen member at least partially encloses and is coupled to a second segment of the tubular member. The screen member and the enclosed second segment of the tubular member both have openings that allow fluid communication between the longitudinal bore of the tubular member and the wellbore. The apparatus includes an alternate flowpath member having a wall, upper and lower ends, and at least one aperture in its wall. The apertures are small enough to substantially prevent passage of particulate material. The alternate flowpath member extends longitudinally along a portion of the wellbore and creates a communication path for fluid flow.
Hurst Gary D.
Tibbles Raymond J.
Schlumberger Canada Limited
Smart & Biggar
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