Page:United States Statutes at Large Volume 121.djvu/1702

 PUBLIC LAW 110–140—DEC. 19, 2007

121 STAT. 1681

(A) reservoir stimulation; (B) reservoir characterization, monitoring, and modeling; (C) stress mapping; (D) tracer development; (E) three-dimensional tomography; and (F) understanding seismic effects of reservoir engineering and stimulation. (2) ENHANCED GEOTHERMAL SYSTEMS RESERVOIR STIMULATION.— (A) PROGRAM.—In collaboration with industry partners, the Secretary shall support a program of research, development, and demonstration of enhanced geothermal systems reservoir stimulation technologies and techniques. A minimum of 4 sites shall be selected in locations that show particular promise for enhanced geothermal systems development. Each site shall— (i) represent a different class of subsurface geologic environments; and (ii) take advantage of an existing site where subsurface characterization has been conducted or existing drill holes can be utilized, if possible. (B) CONSIDERATION OF EXISTING SITE.—The Desert Peak, Nevada, site, where a Department of Energy and industry cooperative enhanced geothermal systems project is already underway, may be considered for inclusion among the sites selected under subparagraph (A). SEC. 616. GEOTHERMAL ENERGY PRODUCTION FROM OIL AND GAS FIELDS AND RECOVERY AND PRODUCTION OF GEOPRESSURED GAS RESOURCES.

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(a) IN GENERAL.—The Secretary shall establish a program of research, development, demonstration, and commercial application to support development of geothermal energy production from oil and gas fields and production and recovery of energy, including electricity, from geopressured resources. In addition, the Secretary shall conduct such supporting activities including research, resource characterization, and technology development as necessary. (b) GEOTHERMAL ENERGY PRODUCTION FROM OIL AND GAS FIELDS.—The Secretary shall implement a grant program in support of geothermal energy production from oil and gas fields. The program shall include grants for a total of not less than three demonstration projects of the use of geothermal techniques such as advanced organic rankine cycle systems at marginal, unproductive, and productive oil and gas wells. The Secretary shall, to the extent practicable and in the public interest, make awards that— (1) include not less than five oil or gas well sites per project award; (2) use a range of oil or gas well hot water source temperatures from 150 degrees Fahrenheit to 300 degrees Fahrenheit; (3) cover a range of sizes up to one megawatt; (4) are located at a range of sites; (5) can be replicated at a wide range of sites; (6) facilitate identification of optimum techniques among competing alternatives;

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