Theoretical and practical aspects of absorption in the application of in-seam seismic coal exploration

Conference · Wed Mar 31 23:00:00 EST 1982 · Geophysics; (United States)

OSTI ID:6786541

Arnetzl, H H; Krey, T C

During recent years the detection of coal-seam discontinuities by seismic waves guided by the seam has become a special branch of exploration seismics in Europe. Waves consisting purely of SH motion (Love-type waves), are of special interest. In order to allow a better understanding of the influence of absorption on the Love-type seam waves, several simplified computations were carried out for the fundamental mode of a seam typical for the Ruhr area. It is then possible to determine the quality factor Q/sub 1/ of coal in situ, though the thickness of the seam may be much smaller than the wavelengths involved.

• OSTI ID: 6786541
• Report Number(s): CONF-8110249-
• Journal Information: Geophysics; (United States), Journal Name: Geophysics; (United States) Vol. 47:4; ISSN GPYSA
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
011000* -- Coal
Lignite
& Peat-- Reserves
Geology
& Exploration
012000 -- Coal
Lignite
& Peat-- Mining
ABSORPTION
COAL DEPOSITS
COAL SEAMS
DETECTION
DIMENSIONS
EXPLORATION
GEOLOGIC DEPOSITS
GEOLOGIC FAULTS
GEOLOGIC STRUCTURES
GEOPHYSICAL SURVEYS
LOVE WAVES
MAPPING
MINERAL RESOURCES
RESOURCES
SEISMIC SURFACE WAVES
SEISMIC SURVEYS
SEISMIC WAVES
SURVEYS
THICKNESS