A ship designed to carry either ore or oil in bulk.
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SOUNDING PIPEA pipe leading to the bottom of an oil or water tank, for guiding a sounding tape or jointed rod when measuring the depth of liquid in the tank. |
POLYFORMING
A noncatalytic, petroleum-refinery process charging C3 and C4 gases with naphtha or gas oil at high temperature to produce high-quality gasoline and fuel oil; mostly replaced by catalytic reforming; the prodTesting and Materials analysis of paraffins (P), olefins (O), naphthenes (N), and aromatics (A) in gasolines.
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PIPE STILL
A petroleum-refinery still in which heat is applied to the oil while it is being pumped through a coil or pipe arranged in a firebox, the oil then running to a fractionator with continuous removal of overhead vapor and liquid bottoms.
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PARAFFIN PRESS
A filter press used during petroleum refining for the separation of paraffin oil and crystallizable paraffin wax from distillates.
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OIL DILUTION VALVE
A valve used to mix gasoline with engine oil to permit easier starting of the gasoline engine in cold weather.
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OIL COOLER
A small radiator used to cool the oil that lubricates an automotive engine.
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OIL SEAL
1. A device for preventing the entry or return of oil from a chamber. 2. A device using oil as the sealing medium to prevent the passage of fluid from one chamber to another.
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OIL RECLAIMING
1. A process in which oil is passed through a filter as it comes from equipment and then returned for reuse, in the same manner that crank case oil is cleaned by an engine filter. 2. A method in which solids are removed from oil by treatment in settling tanks.
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OIL PUMP
[MECHENG] A pump of the gear,vane, or plunger type, usually an integral part of the automotive engine; it lifts oil from the sump to the upper level in the splash and circulating systems, and in forced-feed lubrication it pumps the oil to the tubes leading to the bearings and other parts.
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OIL-HOLE DRILL
A twist drill containing holes through which oil can be fed to the cutting edges.
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