Many natural gas wells, particularly those in western Canada, contain various amounts of sour components, hydrogen sulfide being the dominant constituent. Hydrogen sulfide is present because of past geological conditions. As most prime (non-sour) gas wells are already in production, oil and gas companies must make increasing use of sour wells to meet commercial demand. However, the sour components must be removed before the gas can be transported to the end users. Stelpipe, together with its supplier, Stelco Steel, are commercializing an ERW line pipe product suitable for the most demanding sour natural gas transmission applications. The nature of sour natural gas imposes considerable demands on the pipe used to transmit it. In particular, the resistance of the steel to hydrogen damage (i.e. hydrogen induced cracking (HIC) and sulfide stress cracking (SSC)) is of utmost importance. State-of-the-art steelmaking techniques and stringent monitoring of pipemaking are required. Stelpipe and Stelco Steel have developed the measures and procedures necessary to meet these requirements.
ERW line pipe manufactured for sour natural gas transmission
ERW-Leitungsrohrherstellung für Erdgasfernleitungen
1989
9 Seiten, 13 Bilder, 5 Tabellen, 16 Quellen
Conference paper
English
ROHRLEITUNG , GASFERNLEITUNG , KANADA , WASSERSTOFF , SULFID , STAHLROHR , SPANNUNGSRISS , MESSEN , ROHRSTAHL , WASSERSTOFFVERSPROEDUNG
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