Hanger flange for hanging a tubular body in a well

Details Hanger flange for hanging a tubular body in a well Hanger flange for hanging a tubular body in a well

E - Fixed Constructions

21

B

E21B 33/04 (2006.01)

Patent

CA 2554659

A hanger flange includes an annular body having a circumferential inner surface defining a central passage and a circumferential outer surface. Ram alignment apertures are provided within the body spaced radially about the passage. Each of the apertures has a first portion with a non-circular first cross-sectional dimension extending radially outwardly from the inner surface and a second portion with a second cross-sectional dimension extending radially inwardly from the outer surface. A ram is positioned in each of the apertures. Each ram has a first portion having a first cross-sectional dimension corresponding with the first cross-sectional dimension of the apertures, and a second portion having a second cross-section dimension corresponding with the second cross-sectional dimension of the apertures. The engagement between the non-circular first cross-sectional dimension of each aperture and the corresponding non-circular first cross-sectional dimension of each ram prevents relative axial rotation and maintains each ram in alignment.

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