Results 291 to 300 of about 146,439 (338)

Application of a Multi-Frequency Electromagnetic Method for Boundary Detection of Isolated Permafrost. [PDF]

Sensors (Basel)
Wu Y, Dai C, Shang Y, Yang L, Gao K, Xu W.   +5 more
europepmc   +1 more source

Rock mass integrity evaluation method of roadway surrounding rock mass based on borehole image acoustic radar data. [PDF]

Sci Rep
Jinchao W, Zengqiang H, Chao W, Guohua Z, Xiaobin L.   +4 more
europepmc   +1 more source

Hydrogeological Characteristics and Groundwater Quality Analysis for Selected Boreholes in Ogbaru Local Government Area, Anambra State, Nigeria.

, 2015
O. E. Ekenta, Okoro B.U, A.C.C. Ezeabasili   +2 more
openalex   +1 more source

BOREHOLE BREAKOUT AND STRESS MEASUREMENTS

, 1988
Ziqiong Zheng, N.G.W. Cook, Larry R. Myer   +2 more
openalex   +1 more source

Seismic borehole tomography

, 1988
Tien‐when Lo
openalex   +1 more source

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Borehole electrokinetics

The Leading Edge, 2010
We now understand the electrical double layer that exists between the minerals that form the rock matrix and the bulk electrolyte which saturates the pores of the rock, at least in the steady state. It is the presence of this double layer that allows the link between the electrical properties and the fluid-flow properties of the rock to exist.
Paul W.J. Glover, Matthew D. Jackson
openaire   +1 more source

Borehole Investigations

2018
Borehole investigations allow practitioners to determine the nature and location of the different soil/rock layers, collect samples, carry out in situ tests and permeability tests, and, if necessary, install piezometers and other subsurface monitoring tools.
Kruse, Eduardo Emilio, Eslamian, Saeid, Ostad Ali Askari, Kaveh, Hosseini Teshnizi, Sayedeh Zahra   +3 more
openaire   +2 more sources

Resistivity Borehole Imaging in Challenging Borehole Environments

GEO 2010, 2010
Until recently, the acquisition of resistivity borehole image data from well bores less than 6” in diameter has been impossible, due to the size of conventional borehole imaging tools currently available on the market. In addition, conventional deployment methods limit efficient rig time utilization and ultimately lead to higher risk and costs ...
openaire   +1 more source

Borehole‐to‐borehole seam‐wave transmission

SEG Technical Program Expanded Abstracts 1983, 1983
Charles C. Mosher, Iain M. Mason
openaire   +1 more source