Alberta straddle plants could process Alaskan gas

For many years, the economics of NGL recovery at Alberta's straddle plants have generally ensured that the higher heating value and hydrocarbon dew point met gas-pipeline-quality specifications. Higher gas prices, however, have squeezed margins on NGL recovery.In recent years, operators have become concerned about increasing levels of CO2– in Alberta's gas pipe- lines. The presence of such contaminants complicates ethane recovery, and a recent Alberta regulatory decision discusses the impact of and mitigation measures for the increasing CO2– levels in the Alberta gas pipelines.1The volume of gas available for processing at Empress has diminished because of nonrenewals ...

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