This publication contains 14,242 analyses of gas samples from oil and gas wells and natural gas pipelines in 40 states and 24 foreign countries. These gas samples were collected during the period 1917- 85 as part of the Bureau of Mines survey for helium occurrences. The gas analyses contained herein were made by several methods over the period covered. Analytical work on samples collected early in the period was done on the orsat apparatus. The one-cut apparatus and four-cut fractional distillation equipment were added later. A mass spectrometer was acquired in 1949 and used for all gas analyses made after that time. From 1917 to 1978, helium analyses were made on special helium analytical equipment designed and built by the Bureau of Mines helium operations laboratory. In 1978, this apparatus was replaced in the quantitative helium analysis work by a gas chromatograph.
Chemical analysis; Chromatographic analysis; Mass spectrometry; Sampling; Natural gas; Gas analysis; Energy Fuels; Helium; Elements; Gas chromatography
IH; Information Circular
NTIS Accession No.
Amarillo, TX: U.S. Department of the Interior, Bureau of Mines, IC 9129
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