Shale boom has knocked around a key measure of NGL price predictability.
All NGL prices rise for week; analysts point to promise for future of ethane.
NGL prices continue to grind through summer, with storage, upcoming winter blends providing hope.
Shale-induced market changes makeup of NGL ties to crude oil, natural gas price movements.
Despite infrastructure momentum, a significant ramp-up in NGL prices remains about three years away, East Daley analysts say.
Pentane-plus enjoys a bounce and ethane price gap narrows, but in general, NGL in summer funk.
Ethane, propane prices falter as poor economics hamper exports to Asia.
Ethane prices bounce back, although the expected first export cargo from the Gulf Coast is delayed.
NGL prices continue to slide as large crude, gas inventories feed downcycle.
Price retreat by crude oil and natural gas drags NGL down for third straight week.
NGL prices fell this week as the crude price rally looks to have ended with West Texas Intermediate (WTI) prices falling two straight weeks.
NGL barrel enjoys strong bounce in second quarter over first, but prices ease over past week.