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Method for making controlled swell-rate swellable packer

  • US 10,443,340 B2
  • Filed: 06/05/2018
  • Issued: 10/15/2019
  • Est. Priority Date: 10/16/2012
  • Status: Active Grant
First Claim
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1. A method of making a controlled swell-rate swellable packer, comprising:

  • disposing a sealing element about at least a portion of a mandrel, wherein the sealing element is in sealing contact with the mandrel;

    applying a mask onto at least a portion of an outer surface of the sealing element, wherein the sealing element comprises a swellable material, and wherein the mask comprises void spaces;

    applying a jacket to the sealing element not covered by the mask when the mask is applied, wherein the mask substantially prevents the application of the jacket except in the void spaces;

    removing the mask from the sealing element after applying the jacket to the sealing element not covered by the mask; and

    providing the controlled swell-rate swellable packer.

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