16 May 2012 05:54 [Source: ICIS news]
The figure is lower than the 7.65m tonnes/year of additional ethane-based ethylene capacity, or 29% of total current US capacity, that is projected to be on stream as early as 2017 – when all confirmed and speculative cracker projects are added together.
“Not all of the proposed
“Furthermore the current attractiveness in
“However, if all the proposed projects go ahead the ethane market would change considerably, the sustainability of current US competitiveness would become less certain as domestic ethane prices would increase,” he said.
“And because of the nature of shale gas extraction, it is very hard to accurately predict long-term ethane availability. You need to sink lots of wells in each shale-gas field. This makes it very hard to forecast the exact percentages of methane versus natural-gas liquids that will be produced by each of the fields.”
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