Download or read book Large Mobile Drilling Rigs Used Along the Alaska Pipeline written by Paul V. Sellmann and published by . This book was released on 1978 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The requirement for installing more than 70,000 vertical support members along elevated sections of the Alaska Pipeline resulted in an extremely large drilling program. Several large drilling units, some specially designed, including rotary (auger), percussive, and combination rotary-percussive units, were selected for this job. This selection of equipment and techniques provided the potential to drill in all conceivable material types. An examination of these drills in the field, together with product literature, provided some insight into the characteristics of these drills compared with other commercially available drilling units. The pipeline drilling program provided a major impetus for design and development of new equipment in the area of large rotary-percussive, and percussive drilling units. The pipeline drills in general showed sound design characteristics in weight, power, thrust, torque, and speed. Many of the auger boring heads could benefit from improvements in shape, angles, cutter position, and in consideration of the center of the hole problem. Need for work in this area was indicated by drilling rates, as well as by noticeable improvements in some augers following contractors' field modifications. (Author).

Download or read book CRREL Technical Publications written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1981 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book CRREL Benchnotes written by and published by . This book was released on 1979 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geotechnical and Exploration Drilling in the Polar Regions written by Pavel G. Talalay and published by Springer Nature. This book was released on 2023-01-01 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive review of drilling technologies in the polar regions, from the portable drilling equipment for shallow sampling and coring, to heavy drilling equipment for deep onshore and offshore drilling. Particular attention is given to safe drilling methods in permafrost. In recent years, interest in drilling in the polar regions has increased under the pressure of the geopolitical “rush” and the undiscovered resource potential. In addition, borehole monitoring of permafrost thermal states is urgently needed to obtain evidence of climate change. The book focuses on the latest drilling technologies but also discusses the historical development of sampling, and drilling tools and devices, over the last 60–70 years providing valuable insights into a way forward and future possibilities.

Download or read book USA CRREL Benchnotes written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1983 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Mechanics of Cutting and Boring Dynamics and energetics of axial rotation machines written by Malcolm Mellor and published by . This book was released on 1975 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Pacific Northwest Economic Base Study for Power Markets Supporting studies pt 1 Population pt 2 Labor force pt 3 Employment pt 4 Personal income pt 5 Agriculture and food processing pt 6 Forest industries pt 7 Minerals pt 8 Fisheries pt 9 Recreation pt 10 Water pt 11 Fuels pt 12 Defense industries pt 13 Chemicals written by and published by . This book was released on 1964 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Many Norths written by Lola Sheppard and published by Actar D, Inc.. This book was released on 2021-07-13 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: “There are many norths in this North.” – Louis-Edmond Hamelin, 1975 Many Norths: Spatial Practice in a Polar Territory charts the unique spatial realities of Canada’s Arctic region, an immense territory populated with small, dispersed communities. The region has undergone dramatic transformations in the name of sovereignty, aboriginal affairs management, resources, and trade, among others. For most of the Arctic’s modern history, architecture, infrastructure, and settlements have been the tools of colonialism. Today, tradition and modernity are intertwined. Northerners have demonstrated remarkable adaptation and resilience as powerful climatic, social, and economic pressures collide. This unprecedented book documents—through the themes of urbanism, architecture, mobility, monitoring, and resources—the multiplicity of norths that appear and the spatial practices employed to negotiate it. Using innovative drawings, maps, timelines, as well as essays and interviews, Many Norths reveals a distinct northern vernacular.

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Download or read book Mechanics of Cutting and Boring written by Malcolm Mellor and published by . This book was released on 1980 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: