By Houston Business Journal Plains All American Pipeline LP has completed a public offering of $400 million in unsecured notes. Plains (NYSE: PAA) offered the notes for $99.88 with a 3.9 percent yield. The notes are due Sept. 15, 2015. The Houston-based midstream oil and gas company says it will use the money raised to repay outstanding debt and to fund expansion and acquisitions, or redeem its outstanding 6.25 percent notes due 2015. Copyright 2010 American City Business Journals http://houston.bizjournals.com/houston/stories/2010/07/12/daily24.html?ana=thestreet