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Multi-layered wellbore completion for methane hydrate production

  • US 10,060,232 B2
  • Filed: 07/31/2017
  • Issued: 08/28/2018
  • Est. Priority Date: 09/11/2013
  • Status: Active Grant
First Claim
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1. A completion method for methane production from methane hydrate, comprising:

  • running in a bottom hole assembly to an isolated producing zone;

    providing a plurality of filtration layers with at least one inner layer on said bottom hole assembly and another outer layer that is independently delivered to said at least one inner layer when said inner layer is in said producing zone;

    adhering components of said outer layer to each other or to said at least one inner layer such that said inner and outer layers remain adjoining when the borehole enlarges and moves away from said outer layer as methane is produced;

    wherein said at least one inner layer is made from at least one of wire screen, a bead pack, prepack screen and a shape memory porous material.

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