Donald W. Brown's Mining the Earth's Heat: Hot Dry Rock Geothermal Energy PDF

By Donald W. Brown

ISBN-10: 3540673164

ISBN-13: 9783540673163

ISBN-10: 3540689109

ISBN-13: 9783540689102

Mining the Earth's warmth: sizzling Dry Rock Geothermal strength describes the paintings performed by means of the Los Alamos nationwide Laboratory to show an idealistic inspiration - that of drawing valuable quantities of power from the titanic underground shop of scorching rock at available depths - right into a useful fact. This e-book offers complete documentation of the over twenty years of experiments performed on the try web site at Fenton Hill, New Mexico, the place the feasibility of gaining access to and extracting this titanic usual source was once ultimately verified. It additionally discusses the varied technical, administrative, and monetary hurdles that needed to be conquer alongside the best way. This book will without doubt turn out priceless to researchers around the globe as they attempt to maneuver this now-proven expertise towards advertisement viability. additionally, it's a precious resource of suitable details for a person attracted to the area strength outlook for the twenty first century and beyond.

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7 7KHVH ¿UVWHYHU IUDFWXULQJ H[SHULPHQWV LQ GHHS KRW FU\VWDOOLQHURFNZHUHLQWHQGHGWRYHULI\WKHVXLWDELOLW\RIVXFKURFNVIRU¿HOG testing of an HDR reservoir. In conventional hydraulic fracturing of sedimentary formations containing petroleum or natural gas, a "packed-off" interval8 of the borehole is pressurized until the overpressure fractures the borehole wall. , the maximum earth stress is vertical), the induced fracture should be vertical, planar, and normal to the axis of the least principal earth stress, which acts horizontally.

7KHSHUYDVLYHDUUD\RIÀXLGVDWXUDWHGPLFURFUDFNVJLYHVULVHWRWKH¿QLWHEXWYHU\ small (nanodarcy range), permeability of the crystalline basement. W. 1007/978-3-540-68910-2_2, © Springer-Verlag Berlin Heidelberg 2012 17 18 Chapter 2 The Enormous Potential for Hot Dry Rock m on Su InMecti at r Heange h e[ c 0m S 20ÛC Hot Hot ing WorkuiG fl r Powet Slan ColG T 0ÛCkm 4 km 13100 ft 20ÛC Pressure-GilateG reserYoir region Fig. 2-1. Present-day conceptualization of a closed-loop HDR system. 6RXUFH+'53URMHFW¿OHV ‡ It is the network of pre-existing joints in the crystalline basement that ultimately controls the deformation of the rock mass during hydraulic stimulation.

Note: DXULQJ ÀRZ WHVWLQJ RI WKH 3KDVH ,, UHVHUYRLU LW WRRN RQO\ DERXW two minutes to nearly double the reservoir's power production, by simply opening the motor-driven throttling valve on the production well. Making use of this HDR load-following capability would reduce the local electric XWLOLW\ V QHHG WR GUDZ RQ LWV QDWXUDOJDV¿UHG VSLQQLQJ UHVHUYH GXULQJ times of peak demand (a very costly—but also very common—method of load-following, particularly during the summer air-conditioning season).

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Mining the Earth's Heat: Hot Dry Rock Geothermal Energy by Donald W. Brown

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