Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000887425-99-000001
Filing Date
1999-03-30
Accepted
1999-03-30 00:00:00
Documents
2
Period of Report
1998-12-31

Document Format Files

Seq Description Document Type Size
1 10-K 114435
2 EX-27 2271
  Complete submission text file 0000887425-99-000001.txt   118237
Mailing Address 407 N BIG SPRING ST SUITE 300 MIDLAND TX 79701
Business Address 407 N BIG SPRING STE 300 C/O SOUTHWEST ROYALTIES INSTITUTIONAL MIDLAND TX 79701 9156869927
SOUTHWEST ROYALTIES INSTITUTIONAL INCOME FUND XI-B LP (Filer) CIK: 0000887425 (see all company filings)

EIN.: 752427289 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 033-47668-02 | Film No.: 99578507
SIC: 1311 Crude Petroleum & Natural Gas