NEW YORK (Standard&Poor's) Aug. 29, 2007—Standard&Poor's Ratings Services today assigned its 'BBB-' rating to midstream energy company Enterprise Products Operating LLC's (Enterprise Operating) proposed $800 million senior notes due 2017. Standard&Poor's also affirmed its 'BBB-' corporate credit rating on the company, as well as the rating on its parent, Enterprise Products Partners L.P. (Enterprise Products; BBB-/Stable/--). The proceeds from the notes will be used to reduce borrowings under Enterprise Operating's revolving credit facility and for general corporate purposes. Enterprise Operating is one of the primary operating subsidiaries of Enterprise Products. The outlook on both companies is stable. As of June 30, 2007, Houston, Texas-based Enterprise Products had about $6.2 billion of consolidated debt, including