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Title: Systems and methods for multi-fluid geothermal energy systems

A method for extracting geothermal energy from a geothermal reservoir formation. A production well is used to extract brine from the reservoir formation. At least one of nitrogen (N.sub.2) and carbon dioxide (CO.sub.2) may be used to form a supplemental working fluid which may be injected into a supplemental working fluid injection well. The supplemental working fluid may be used to augment a pressure of the reservoir formation, to thus drive a flow of the brine out from the reservoir formation.
Inventors:
Issue Date:
OSTI Identifier:
1393516
Assignee:
Lawrence Livemore National Security, LLC LLNL
Patent Number(s):
9,765,604
Application Number:
14/167,375
Contract Number:
AC52-07NA27344
Resource Relation:
Patent File Date: 2014 Jan 29
Research Org:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
15 GEOTHERMAL ENERGY

Other works cited in this record:

Geothermal energy processing system with improved heat rejection
patent, November 1977

Process for treating ammonia and nitrite containing waters to prevent nitric oxide emissions therefrom
patent, July 1991

Carbon dioxide-based geothermal energy generation systems and methods related thereto
patent, November 2012

Method for production and upgrading of oil
patent-application, October 2006

Methods and Systems for Electric Power Generation Using Geothermal Field Enhancements
patent-application, March 2010

Method and apparatus to enhance oil recovery in wells
patent-application, November 2010

Integrated enhanced oil recovery process
patent-application, April 2011

Carbon dioxide-based geothermal energy generation systems and methods related thereto
patent-application, January 2012

Carbon Dioxide-Based Geothermal Energy Generation Systems and Methods Related Thereto
patent-application, February 2013

Systems and Methods for an Artificial Geothermal Energy Reservoir Created Using Hot Dry Rock Geothermal Resources
patent-application, March 2013

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