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Because they are used for domestic water measurement, piston meters, also known as rotary piston or semi-positive displacement meters, are the most common flow measurement devices in the UK and are used for almost all meter sizes up to and including 40 mm (1 + 1 ⁄ 2 in). The piston meter operates on the principle of a piston rotating within a ...
Most modern meters combine a venturi flow rate meter, with a gamma densitometer, and some meters have additional measurements for water salinity. The meter measures the flow rates at line pressures, which are typically orders of magnitude greater than atmospheric pressure, but the meter must report the oil and gas volumes at standard ...
A velocity-type meter measures the velocity of flow through a meter of known internal capacity. The speed of the flow can then be converted into a volume of flow to determine the usage. There are several types of meters that measure water flow velocity, including jet meters (single-jet and multi-jet), turbine meters, propeller meters and mag ...
Subsea technology involves fully submerged ocean equipment, operations, or applications, especially when some distance offshore, in deep ocean waters, or on the seabed. The term subsea is frequently used in connection with oceanography, marine or ocean engineering, ocean exploration, remotely operated vehicle (ROVs) autonomous underwater vehicles (AUVs), submarine communications or power ...
SPFM – single-phase flow meter; SPH – SPH log [clarification needed] SPHL – self-propelled hyperbaric lifeboats; SPM – side pocket mandrel; SPM – strokes per minute (of a positive-displacement pump [citation needed]) spm – shots per meter (perforation density [citation needed]) SPMT – self-propelled modular transporter
1998 – Smedvig Technologies (Holding) AS and Multi-Fluid ASA launch a co-operation to develop a downhole water-cut meter. Multi-Fluid introduces the first subsea multiphase meter. 1999 – Smedvig Technologies (Holding) AS merges with Multi-Fluid ASA and becomes Roxar ASA, a public company quoted on the Oslo Stock Exchange, specialising in ...