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  2. Pumpjack - Wikipedia

    en.wikipedia.org/wiki/Pumpjack

    The scale of the technology is frequently smaller than for an oil well, and can typically fit on top of an existing hand-pumped well head. The technology is simple, typically using a parallel-bar double-cam lift driven from a low-power electric motor, although the number of pumpjacks with stroke lengths 54 inches (1.4 m) and longer being used ...

  3. Production tubing - Wikipedia

    en.wikipedia.org/wiki/Production_tubing

    Usually, the lower zones of production are perforated first. The formations are depleted, those perforations are squeezed with cement and the casing perforated above the original perforations. The production is usually brought to the surface through tubing. Tubing is a smaller diameter pipe that is run inside of the production casing.

  4. Moody chart - Wikipedia

    en.wikipedia.org/wiki/Moody_chart

    where is the density of the fluid, is the average velocity in the pipe, is the friction factor from the Moody chart, is the length of the pipe and is the pipe diameter. The chart plots Darcy–Weisbach friction factor against Reynolds number Re for a variety of relative roughnesses, the ratio of the mean height of roughness of the pipe to the ...

  5. Harbor Freight Tools - Wikipedia

    en.wikipedia.org/wiki/Harbor_Freight_Tools

    Harbor Freight Tools, commonly referred to as Harbor Freight, is an American privately held tool and equipment retailer, headquartered in Calabasas, California. It operates a chain of retail stores, as well as an e-commerce business. The company employs over 28,000 people in the United States, [5] and has over 1,500 locations in 48 states. [6] [7]

  6. Capability curve - Wikipedia

    en.wikipedia.org/wiki/Capability_curve

    Due to high cost of a generator, a set of sensors and limiters will trigger the alarm when the generator approaches the capability-set boundary and, if no action is taken by the operator, will disconnect the generator from the grid. [3] D-curve expands with cooling. The D-curve for a particular generator can be expanded by improved cooling.

  7. Natural gas pipeline system in the United States - Wikipedia

    en.wikipedia.org/wiki/Natural_gas_pipeline...

    It was built to pipe the gas from the well to nearby shops, Hart improvised a gasometer at the well site and laid pipe to the properties of his first customers. [5] [6] Hart was later consulted to develop a gas lighting system for the Barcelona Lighthouse in 1829. [7] These early pipelines (no longer in use) were made of pine logs. [8]

  8. Crankcase ventilation system - Wikipedia

    en.wikipedia.org/wiki/Crankcase_ventilation_system

    These blow-by gases, if not ventilated, inevitably condense and combine with the oil vapor present in the crankcase, forming oil sludge. Excessive crankcase pressure can furthermore lead to engine oil leaks past the crankshaft seals and other engine seals and gaskets. Therefore, it becomes imperative that a crankcase ventilation system be used.

  9. Magnetohydrodynamic generator - Wikipedia

    en.wikipedia.org/wiki/Magnetohydrodynamic_generator

    The Faraday generator is named for Michael Faraday's experiments on moving charged particles in the Thames River. A simple Faraday generator consists of a wedge-shaped pipe or tube of some non-conductive material. When an electrically conductive fluid flows through the tube, in the presence of a significant perpendicular magnetic field, a ...

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