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  2. Instrumentation in petrochemical industries - Wikipedia

    en.wikipedia.org/wiki/Instrumentation_in...

    Diagram of the pressure instrumentation on a process vessel. Oil, gas and petrochemical processes are undertaken at specific operating pressures. Pressure is measured by pressure sensors (PE) which send pressure (PT) signals to pressure controllers (PIC). Pressure vessels and tanks are fitted with local pressure indicators (PI).

  3. Multiphase flow meter - Wikipedia

    en.wikipedia.org/wiki/Multiphase_flow_meter

    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 (atmospheric) pressure and temperature. The meter must thus know the Pressure / Volume / Temperature properties of the oil, to add to the measured gas rate ...

  4. Oil pressure - Wikipedia

    en.wikipedia.org/wiki/Oil_pressure

    Murphy oil pressure gauges with switches that activate on low pressure. Oil pressure is an important factor in the longevity of most internal combustion engines. [1] With a forced lubrication system (invented by Frederick Lanchester), oil is picked up by a positive displacement oil pump and forced through oil galleries (passageways) into bearings, such as the main bearings, big end bearings ...

  5. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    PBU – pressure build-up (applies to integrity testing on valves [citation needed]) PCA – production concession agreement; PCB – polychlorinated biphenyl; PCCC – pressure containing anti‐corrosion caps; PCCL – perforation casing collar locator log; PCDC – pressure-cased directional (geometry i.e. borehole survey) MWD tool

  6. Flow measurement - Wikipedia

    en.wikipedia.org/wiki/Flow_measurement

    The Dall tube is a shortened version of a Venturi meter, with a lower pressure drop than an orifice plate. As with these flowmeters the flow rate in a Dall tube is determined by measuring the pressure drop caused by restriction in the conduit. The pressure differential is typically measured using diaphragm pressure transducers with digital readout.

  7. Solazyme Successfully Scales Renewable Oil Fermentation to 500,000 Liters at ADM Clinton, Iowa Facility SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)-- Solazyme, Inc. (NAS: SZYM) , a renewable oil ...

  8. Pressure measurement - Wikipedia

    en.wikipedia.org/wiki/Pressure_measurement

    Pressure is an expression of the force required to stop a fluid from expanding, and is usually stated in terms of force per unit area. A pressure sensor usually acts as a transducer; it generates a signal as a function of the pressure imposed. Pressure sensors can vary drastically in technology, design, performance, application suitability and ...

  9. Magnetic flow meter - Wikipedia

    en.wikipedia.org/wiki/Magnetic_flow_meter

    A magnetic flow meter (mag meter, electromagnetic flow meter) is a transducer that measures fluid flow by the voltage induced across the liquid by its flow through a magnetic field. A magnetic field is applied to the metering tube, which results in a potential difference proportional to the flow velocity perpendicular to the flux lines.