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Underwater logging is the process of logging trees from ... Rivers were a main method of transportation in the logging industry in the 19th and early 20th centuries ...
Logging is the beginning of a supply chain that provides raw material for many products societies worldwide use for housing, construction, energy, and consumer paper products. Logging systems are also used to manage forests, reduce the risk of wildfires, and restore ecosystem functions, [2] though their efficiency for these purposes has been ...
The controlled source electromagnetic (CSEM) method, also called sea bed logging, is a mostly offshore geophysical technique, [1] [2] employing electromagnetic remote-sensing technology to map the electric resistivity distribution of the subsurface. The electrical resistivity helps to discriminate between different types of rocks.
Underwater geological surveying employs techniques from the underwater equivalent of a traditional walk-over survey, studying outcrops and landforms, to intrusive methods, such as boreholes, to the use of geophysical techniques and remote sensing methods. An underwater geological survey map typically superimposes the surveyed extent and ...
Public safety diving team members bring in a casualty Controlling an underwater search from the jetty. Underwater search and recovery is the process of locating and recovering underwater objects, often by divers, [1] but also by the use of submersibles, remotely operated vehicles and electronic equipment on surface vessels.
Model of seabed mining technology. Seabed mining, also known as Seafloor mining [1] is the recovery of minerals from the seabed by techniques of underwater mining. The concept includes mining at shallow depths on the continental shelf and deep-sea mining at greater depths associated with tectonic activity, hydrothermal vents and the abyssal plains.
Borehole imaging logs are logging and data-processing methods used to produce two-dimensional, centimeter-scale images of a borehole wall and the rocks that make it up. These tools are limited to the open-hole environment.
A seabed tractor is a type of remotely operated underwater vehicle. They can be used for submarine cable laying or burial of cables or pipelines. This type of vehicle consists of a tracked Crawler excavator device, configured for the task. It is controlled from the vessel by an umbilical cable.