CONTROLLED SWELL-RATE SWELLABLE PACKER AND METHOD

摘要

A controlled swell-rate swellable packer comprises a mandrel, a sealing element, and a jacket. The sealing element is disposed about at least a portion of the mandrel, and the jacket covers at least a portion of an outer surface of the sealing element. The jacket comprises a substantially impermeable material with respect to a swelling agent that is configured to cause the sealing element to swell.