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Final Report To Los Alamos Scientific Laboratory On Enhanced Heat Extraction From Hot Dry Rock Geothermal Reservoirs Due To Interacting Secondary Thermal Cracks
Download Final Report To Los Alamos Scientific Laboratory On Enhanced Heat Extraction From Hot Dry Rock Geothermal Reservoirs Due To Interacting Secondary Thermal Cracks full books in PDF, epub, and Kindle. Read online Final Report To Los Alamos Scientific Laboratory On Enhanced Heat Extraction From Hot Dry Rock Geothermal Reservoirs Due To Interacting Secondary Thermal Cracks ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Final Report to Los Alamos Scientific Laboratory on Enhanced Heat Extraction from Hot-dry-rock Geothermal Reservoirs Due to Interacting Secondary Thermal Cracks by : Y. C. Hsu
Download or read book Final Report to Los Alamos Scientific Laboratory on Enhanced Heat Extraction from Hot-dry-rock Geothermal Reservoirs Due to Interacting Secondary Thermal Cracks written by Y. C. Hsu and published by . This book was released on 1979 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Enhanced Heat Extraction from Hot-dry-rock Geothermal Reservoirs Due to Interacting Secondary Thermal Cracks. Final Report by :
Download or read book Enhanced Heat Extraction from Hot-dry-rock Geothermal Reservoirs Due to Interacting Secondary Thermal Cracks. Final Report written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: How the fluid circulating through the main hydraulic fracture and the thermally-induced secondary, growing, interacting cracks affects the time-varying temperature, deformations, stresses, thermal crack geometry, water flow rates through the main and thermal cracks, reservoir coolant outlet temperature, and reservoir thermal power of the cracked geothermal reservoir is investigated. First, a simplified version of the proposed hot-dry-rock reservoir is considered. A closed-form solution of the rock temperature without thermal crack was found and substituted into SAP-IV computer code to calculate the stresses. These stresses being superposed with earth stresses and fluid pressure were used in conjunction with the fracture mechanics criterion to determine the initiation of secondary thermal crack. After the initiation of secondary thermal crack, the rock temperature was then calculated by a two-dimensional heat conduction program AYER. The detailed procedures for carrying out these steps are listed. Solutions developed are applied to studying the time-varying temperature field, thermal stresses and crack geometry produced, and additional heat power generated in the reservoir. Conclusions were discussed and summarized. (MHR).
Download or read book Geothermal Energy Update written by and published by . This book was released on 1979 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1979 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Petroleum Abstracts. Literature and Patents by :
Download or read book Petroleum Abstracts. Literature and Patents written by and published by . This book was released on 1981 with total page 1538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Pacific Geothermal Conference ... Incorporating the ... New Zealand Geothermal Workshop by :
Download or read book Proceedings of the Pacific Geothermal Conference ... Incorporating the ... New Zealand Geothermal Workshop written by and published by . This book was released on 1982 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hot Dry Rock Geothermal Energy Development Program Annual Report Fiscal Year ... by : Hot Dry Rock Program (U.S.)
Download or read book Hot Dry Rock Geothermal Energy Development Program Annual Report Fiscal Year ... written by Hot Dry Rock Program (U.S.) and published by . This book was released on 1980 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Investigations Associated with the LASL Hot Dry Rock Geothermal Energy Development Project by : Kenneth H. Rea
Download or read book Environmental Investigations Associated with the LASL Hot Dry Rock Geothermal Energy Development Project written by Kenneth H. Rea and published by . This book was released on 1977 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Los Alamos Scientific Laboratory (LASL) is currently evaluating the feasibility of extracting thermal energy from hot dry rock (HDR) geothermal reservoirs. An overview of the environmental studies that LASL has conducted relative to its HDR Geothermal Energy Development Project is presented. Because HDR geothermal technology is a new field of endeavor, environmental guidelines have not been established. It is anticipated that LASL's research will lead to the techniques necessary to mitigate undesirable environmental impacts in future HDR developments. To date, results of environmental investigations have been positive in that no undesirable environmental impacts have been found.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1974 with total page 1590 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Los Alamos Hot Dry Rock Geothermal Project by :
Download or read book Los Alamos Hot Dry Rock Geothermal Project written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The greatest potential for geothermal energy is the almost unlimited energy contained in the vast regions of hot, but essentially impermeable, rock within the first six or seven km of the Earth's crust. For the past five years, the Los Alamos Scientific Laboratory has been investigating and developing a practical, economical and environmentally acceptable method of extracting this energy. By early 1978, a 10 MW (thermal) heat extraction experiment will be in operation. In the Los Alamos concept, a man-made geothermal reservoir is formed by drilling into a region of suitably hot rock, and then creating within the rock a very large surface for heat transfer by large-scale hydraulic-fracturing techniques. After a circulation loop is formed by drilling a second hole to intersect the fractured region, the heat contained in this reservoir is brought to the surface by the buoyant closed-loop circulation of water. The water is kept liquid throughout the loop by pressurization, thereby increasing the rate of heat transport up the withdrawal hole compared to that possible with steam.
Book Synopsis The Los Alamos Hot Dry Rock Geothermal Project by : Donald W. Brown
Download or read book The Los Alamos Hot Dry Rock Geothermal Project written by Donald W. Brown and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1979 with total page 990 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Engineering Methods for Predicting Productivity and Longevity of Hot-dry-rock Geothermal Reservoir in the Presence of Thermal Cracks. Technical Completion Report by :
Download or read book Engineering Methods for Predicting Productivity and Longevity of Hot-dry-rock Geothermal Reservoir in the Presence of Thermal Cracks. Technical Completion Report written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Additional heat extraction from geothermal energy reservioirs depends on the feasibility to extend the main, hydraulic fracture through secondary thermal cracks of the adjacent hot rock. When the main, hydraulic fracture is cooled sufficiently, these secondary thermal cracks are produced normal to the main fracture surface. As such, both the heat transfer surface area and heat energy available to the fluid circulating through the main, hydraulic fracture system increase. Methods for predicting the productivity and longevity of a geothermal reservoir were developed. A question is whether a significant long-term enhancement of the heat extraction process is achieved due to these secondary thermal cracks. In short, the objectives of this investigation are to study how the main, hydraulic fracture can be extended through these secondary thermal cracks of the rock, and to develop methods for predicting the productivity and longevity of a geothermal reservoir.
Book Synopsis Thermal Stress Cracking and Enhancement of Heat Extraction from Fractured Geothermal Reservoirs by :
Download or read book Thermal Stress Cracking and Enhancement of Heat Extraction from Fractured Geothermal Reservoirs written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of thermal stress cracking, upon heat extraction were studied. Very fundamental approximate analyses were performed to elucidate the mechanics of thermal stress cracking, and the main results are summarized.
Book Synopsis Autograph Letters Signed from Sydney Grundy to Augustin Daly by :
Download or read book Autograph Letters Signed from Sydney Grundy to Augustin Daly written by and published by . This book was released on 1888 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Induction and Growth of Fractures in Hot Rock by : R. Lee Aamodt
Download or read book The Induction and Growth of Fractures in Hot Rock written by R. Lee Aamodt and published by . This book was released on 1972 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Potential for Hot-dry-rock Geothermal Resources by :
Download or read book Potential for Hot-dry-rock Geothermal Resources written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Hot dry rock (HDR) contains insufficient permeability and fluid for natural hydrothermal development, but water pumped in a circulation loop through a HDR reservoir (hydraulically fractured between two drill holes) is being tested and evaluated. The formation of such in situ heat transfer systems, and subsequent testing of the man-made geothermal reservoirs in the Jemez volcanic field, New Mexico have already indicated the technical feasibility of the hot dry rock (HDR) geothermal concept. Documented production history and heat-extraction data obtained during the period from 1978 to 1980 have confirmed heat transfer, low water loss, and predictable thermal drawdown models for the HDR systems. During a nine month test of closed-loop heat extraction operations, 15 x 106 kWh of thermal energy were produced. The effective heat-transfer area and volume of the reservoir increased due to secondary fracturing caused by thermal contraction of the reservoir rock, and sustained pressurization. Drilling, fracturing, and testing of a larger, hotter reservoir system is now underway on a HDR geothermal reservoir of commercial size.
