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Cavity well system

  • US 7,571,771 B2
  • Filed: 05/31/2005
  • Issued: 08/11/2009
  • Est. Priority Date: 05/31/2005
  • Status: Expired due to Fees
First Claim
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1. A method for accessing a subterranean zone, the method comprising:

  • forming a first bore extending from a land surface and forming a subterranean cavity in the well bore; and

    forming an articulated bore extending from a land surface to proximate the subterranean zone and forming a plurality of substantially horizontal bores from the articulated bore, the plurality of substantially horizontal bores drilled through the cavity and extending at least partially into the subterranean zone.

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