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  • 1
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    Bearing strength of the lunar soil (1972)
    In:  CASI
    Details
    Publication Date: 2005-11-30
    Description: A discussion is presented on the bearing strength and bearing load-penetration relations in lunar soil. These were measured in air as a function of bulk density. It was found that the relation between bulk density and the logarithm of the bearing capacity is about linear. Shapes of the load vs penetration curves were observed to be similar to those obtained with particulate material of terrestrial origin.
    Keywords: GEOPHYSICS
    Type: NASA, Washington Analysis of Surveyor 3 Mater. and Phot. Returned by Apollo 12; p 227-232
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Cracking of the lunar soil (1972)
    In:  CASI
    Details
    Publication Date: 2005-11-30
    Description: Rather than a pattern of cracks in an apparently flat surface, the Apollo 12 photographs suggest an irregular surface that consists of clods or fragments. The impression of flat tiles and crusting, obtained by monoscopic viewing, is an illusion. Instead, the lunar soil deforms and cracks in the same manner as homogeneous isotropic terrestrial soils of moderate bulk density, having a small amount of cohesion.
    Keywords: GEOPHYSICS
    Type: NASA, Washington Analysis of Surveyor 3 Mater. and Phot. Returned by Apollo 12; p 233-235
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Aerospace technology can be applied to exploration 'back on earth' (1977)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Applications of aerospace technology to petroleum exploration are described. Attention is given to seismic reflection techniques, sea-floor mapping, remote geochemical sensing, improved drilling methods and down-hole acoustic concepts, such as down-hole seismic tomography. The seismic reflection techniques include monitoring of swept-frequency explosive or solid-propellant seismic sources, as well as aerial seismic surveys. Telemetry and processing of seismic data may also be performed through use of aerospace technology. Sea-floor sonor imaging and a computer-aided system of geologic analogies for petroleum exploration are also considered.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Oil and Gas Journal; Aug. 15
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Applications of aerospace technology to petroleum exploration. Volume 1: Efforts and results (1976)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The feasibility of applying aerospace techniques to help solve significant problems in petroleum exploration is studied. Through contacts with petroleum industry and petroleum service industry, important petroleum exploration problems were identified. For each problem, areas of aerospace technology that might aid in its solution were also identified where possible. Topics selected for investigation include: seismic reflection systems; down-hole acoustic techniques; identification of geological analogies; drilling methods; remote geological sensing; and sea floor imaging and mapping. Specific areas of aerospace technology are applied to 21 concepts formulated from the topics of concern.
    Keywords: GEOPHYSICS
    Type: NASA-CR-152694 , JPL-DOC-5040-32-VOL-1
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Applications of aerospace technology to petroleum exploration. Volume 2: Appendices (1976)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Participants in the investigation of problem areas in oil exploration are listed and the data acquisition methods used to determine categories to be studied are described. Specific aerospace techniques applicable to the tasks identified are explained and their costs evaluated.
    Keywords: GEOPHYSICS
    Type: NASA-CR-152693 , JPL-DOC-5040-32-VOL-2
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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