Phillips 66 Partners LP, which is a Phillips 66-backed limited partnership that owns pipeline and logistics assets, filed on Wednesday with the SEC to raise up to $345 million in an initial public offering. The Houston, TX-based company, which was founded in 2012 and booked $109 million in pro forma revenue for the 12 months ended December 31, 2012, plans to list on the NYSE under the symbol PSXP. J.P. Morgan and Morgan Stanley are the joint bookrunners on the deal. No pricing terms were disclosed.