January 2018

Process Optimization

Advancing export terminal technology: An optimized process for the refrigeration of cryogenic hydrocarbons

Ethane production in North America (NA) has expanded dramatically with the onset of shale production and associated hydraulic fracturing. Ethane concentrations in fractured shale gas are typically 10% or higher vs. a traditional range of 4%–7% in associated gas.

Ethane production in North America (NA) has expanded dramatically with the onset of shale production and associated hydraulic fracturing. Ethane concentrations in fractured shale gas are typically 10% or higher vs. a traditional range of 4%–7% in associated gas. FIG. 1 shows the increase in US ethane production, which corresponds with the rapid increase in shale exploration that started around 2007. FIG. 1. US gas plant production of ethane/ethylene. Source: US EIA. During the early phases of the US shale revolution, a large surplus of ethane had a negative effect on the Mont Belvieu commodity pricing index. During this time, prices depressed t

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