X0201 4 2004-01-16 0 0000859911 SOUTHWEST ROYALTIES INSTITUTIONAL INCOME FUND X-B LP N/A 0000821699 SOUTHWEST ROYALTIES INC 407 N BIG SPRING STREET SUITE 300 MIDLAND TX 79701 0 0 1 0 Limited Partnership Interest 2004-01-16 4 P 0 23 124.83 A 1104 D H.H. Wommack, III, signed on behalf of Southwest Royalties, Inc. the Managing General Partner of the issuer by H.H. Wommack, III, Chairman of the Board, President, Director and CEO 2004-02-26