A method and apparatus for installing casing hangers in a wellbore using an externally activated gripping system is described. The purpose is to provide an annulus seal that can also be released and the hanger position adjusted. It appears to comprise an annular bush which is compressed radially by
Internal combustion engine gasket
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 161 KB
- Volume
- 2010
- Category
- Article
- ISSN
- 1350-4789
No coin nor oath required. For personal study only.
โฆ Synopsis
seal has a moulded wave profile, or a series of semicircular arches that contact the groove wall. A number of different patterns are illustrated.
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