Dictionary Of Occupational Titles
PETROLEUM AND NATURAL GAS PRODUCTION INDUSTRY
N
NATURAL-GAS-TREATING-UNIT OPERATOR
Operates automatically controlled natural-gas treating unit in oil field to render gas suitable for fuel and for pipeline transportation: Opens valves to admit gas and specified chemicals into treating vessel where moisture is absorbed and impurities removed. Adjusts controls of auxiliary equipment, such as pumps, heating coils, and cooling tower. Reads temperature and pressure gauges, and adjusts controls to keep heat and pressure at level of maximum efficiency within safe operating limits. Performs routine tests or delivers samples to laboratory to determine qualities of gas, such as Btu value, flame candlepower, and specific gravity, and proportions of elements, such as methane, propane, and natural gasoline. Drains samples of boiler water from treating unit for laboratory analysis. Adds specified chemicals to water to keep heating and cooling systems in working order. May adjust and repair gas meters and governors, using handtools [METER REPAIRER (any industry)]. May change charts on meters equipped with automatic recorders. May advise and assist workers repairing gas meters, regulators (governors), and other control instruments.
Nuclear Logging Engineer
engineer Measures sonar, electrical, or radioactive characteristics of earth formations in oil- or gas-well boreholes to evaluate productivity of oil- or gas-bearing reservoirs, using sonic, electronic, or nuclear measuring instruments: Signals HOISTING ENGINEER (any industry) to lower instruments into well, observing oscillograph and meters on control panel to verify operating condition of instruments. Turns dials on control panel to adjust instrument for specified recording and starts recording device when instruments reach bottom of borehole. Prints copies of recorded graphs in truck darkroom [DEVELOPER (photofinishing)]. Interprets graphs for customer to indicate identity, porosity, oil- or gas-bearing content, and productivity of geological formations. Measures borehole diameters, direction of borehole, and inclination of geological strata, using microcalipers, directional indicators (clinometers), and dipmeters. May be designated according to measuring instruments used as Acoustical Logging Engineer (petrol. & gas); Nuclear Logging Engineer (petrol. & gas).
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