E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/18 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2417487
A downhole apparatus comprises a plurality of tubing sections. Each tubing section has substantially cylindrical end portions initially of a first diameter for coupling to end portions of adjacent tubing sections. The end portions are expandable to a larger second diameter. Each tubing section also has an intermediate folded wall portions initially in a folded configuration. The intermediate folded wall portions are unfoldable to define a substantially cylindrical form of a third diameter.
L'invention concerne un appareil de fond de trou comportant plusieurs sections de tubage, chacune ayant des parties d'extrémité sensiblement cylindriques initialement d'un premier diamètre permettant de les coupler aux parties d'extrémité des sections de tubage contiguës. Les parties d'extrémité peuvent se dilater jusqu'à un deuxième diamètre plus grand. Chaque section de tubage est pourvue également d'élément de parois intermédiaires pliés initialement en configuration pliée. Les éléments de parois intermédiaires peuvent se déplier de façon à définir une forme sensiblement cylindrique d'un troisième diamètre.
Harrall Simon John
Metcalfe Paul David
Tilton Frederick T.
Marks & Clerk
Weatherford/lamb Inc.
LandOfFree
Downhole expandable tubing does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Downhole expandable tubing, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Downhole expandable tubing will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1818208