0000950129-02-002753 8-K 4 20020522 5 7 20020523 WILLIAMS ENERGY PARTNERS L P 0001126975 4610 731599053 DE 1231 8-K 34 001-16335 02661095 ONE WILLIAMS CENTER TULSA OK 74172 9185732000 ONE WILLIAMS CENTER TULSA OK 74171 8-K 1 h97288e8vk.txt WILLIAMS ENERGY PARTNERS L.P. - 5/22/02 EX-1.1 3 h97288exv1w1.txt UNDERWRITING AGREEMENT DATED 5/22/02 EX-5.1 4 h97288exv5w1.txt OPINION OF VINSON & ELKINS L.L.P. EX-99.1 5 h97288exv99w1.txt PRESS RELEASE DATED 5/23/02