Ring member for swellable apparatus, assembly and method

Details Ring member for swellable apparatus, assembly and method Ring member for swellable apparatus, assembly and method

E - Fixed Constructions

21

B

E21B 33/12 (2006.01)

Patent

CA 2662056

A ring member for a downhole apparatus including a swellable material selected to increase in volume on exposure to at least one triggering fluid is described. The ring member is configured to co-operate with a swellable member disposed on a body of the apparatus, and may for example function as a gauge ring or a retaining member, The ring member is secured to the apparatus via a coupling arrangement which couples the body to an adjacent well string section. In one embodiment the ring member is threaded into the well string. In another, it is disposed over an upstanding formation such as a coupling sleeve, for example by clamping. An assembly and a method of assembly are also described.

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