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Mud pump (#4) is a reciprocal type of pump used to circulate drilling fluid through the system. Mud tank (#1) is often called mud pits and stores drilling fluid until it is required down the wellbore. Setback (#17) is a part of the drill floor (#21) where the stands of drill pipe are stood upright. It is typically made of a metal frame ...
Oceanvolt has received several awards for its SD8.6 saildrive system, the latest being the 2013 Pittman Innovation Award given by SAIL Magazine for Oceanvolt's "compact robust design" [1] featuring waterproof permanent magnet motor with closed circulation liquid cooling, single lever control with motor status shown by LEDs, and folding ...
Marine propulsion is the mechanism or system used to generate thrust to move a watercraft through water. While paddles and sails are still used on some smaller boats, most modern ships are propelled by mechanical systems consisting of an electric motor or internal combustion engine driving a propeller, or less frequently, in pump-jets, an impeller.
There are many propulsion arrangements for motor vessels, some including multiple engines, propellers, and gearboxes. [citation needed] Smaller, but still large engines drive electrical generators that provide power for the ship's electrical systems. Large ships typically have three or more synchronized generators to ensure smooth operation ...
GEBCO is the only intergovernmental body with a mandate to map the whole ocean floor. At the beginning of the project, only 6 per cent of the world's ocean bottom had been surveyed to today's standards; as of June 2022, the project had recorded 23.4 per cent mapped. About 14,500,000 square kilometres (5,600,000 sq mi) of new bathymetric data ...
On April 22, 2010, three Oceaneering ROV crews aboard the Oceaneering vessel Ocean Intervention III, the DOF ASA Skandi Neptune and the Boa International Boa Sub C began to map the seabed and assess the wreckage from the Deepwater Horizon oil spill. The crews reported "large amounts of oil that flowed out."
There is no defined minimum output, however, it is generally accepted that a motor with a frame size of less than 35mm square can be referred to as a 'micro-motor'. Fractional-horsepower electric motors are exempt from the US Energy Policy Act of 2005 and the new EN 60034-30:2009 [ 1 ] ruling of European directive 2005/32/EC [ 2 ] concerning ...
The Advanced Topographic Laser Altimeter System (ATLAS) on NASA's Ice, Cloud, and land Elevation Satellite 2 (ICESat-2) is a photon-counting lidar that uses the return time of laser light pulses from the Earth's surface to calculate altitude of the surface. ICESat-2 measurements can be combined with ship-based sonar data to fill in gaps and ...