| Date Filed | Type | Description |
| 03/14/2012 |
SC 13E3/A
| Form SC 13E3/A - Going private transaction by certain issuers: [Amend] |
| 03/14/2012 |
SC 13D/A
| Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend] |
| 03/14/2012 |
8-K
| Quarterly results |
| 03/09/2012 |
8-K
| Submission of Matters to a Vote of Security Holders |
| 02/01/2012 |
SC 13E3/A
| Form SC 13E3/A - Going private transaction by certain issuers: [Amend] |
| 02/01/2012 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 02/01/2012 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 01/17/2012 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 01/17/2012 |
DEFM14A
| Form DEFM14A - Definitive proxy statement relating to merger or acquisition |
| 01/17/2012 |
SC 13E3/A
| Form SC 13E3 - Going private transaction by certain issuers [amend] |
| 11/14/2011 |
10-Q
| Quarterly Report for the period ended September 30, 2011 |
| 11/02/2011 |
8-K
| Form 8-K - Current report |
| 11/02/2011 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 11/02/2011 |
SC 13D/A
| SOUTHWEST ROYALTIES INSTITUTIONAL INCOME FUND X-B LP reports a 18.2% stake in SOUTHWEST ROYALTIES INSTITUTIONAL INCOME FUND X-B, L.P. |
| 11/02/2011 |
SC 13E3/A
| Form SC 13E3 - Going private transaction by certain issuers [amend] |
| 11/02/2011 |
PRER14A
| Form PRER14A - Preliminary Proxy Soliciting materials |
| 09/09/2011 |
8-K
| Regulation FD Disclosure, Financial Statements and Exhibits |
| 09/09/2011 |
SC 13D
| SOUTHWEST ROYALTIES INSTITUTIONAL INCOME FUND X-B LP reports a 18.2% stake in SOUTHWEST ROYALTIES INSTITUTIONAL INCOME FUND X-B, L.P. |
| 09/09/2011 |
SC 13E3
| Form SC 13E3 - Going private transaction by certain issuers |
| 09/09/2011 |
PREM14A
| Form PREM14A - Preliminary proxy statements relating to merger or acquisition |
| 08/12/2011 |
10-Q
| Quarterly Report for the period ended June 30, 2011 |
| 05/26/2011 |
8-K
| Form 8-K - Current report |
| 05/26/2011 |
8-K
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements... |
| 05/13/2011 |
10-Q
| Quarterly Report for the period ended March 31, 2011 |
| 03/31/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 11/12/2010 |
10-Q
| Quarterly Report for the period ended September 30, 2010 |
| 08/13/2010 |
10-Q
| Quarterly Report for the period ended June 30, 2010 |
| 05/14/2010 |
10-Q
| Quarterly Report for the period ended March 31, 2010 |
| 03/31/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 11/16/2009 |
10-Q
| Quarterly Report for the period ended September 30, 2009 |
| 08/14/2009 |
10-Q
| Quarterly Report for the period ended June 30, 2009 |
| 06/25/2009 |
SC 13D/A
| CLAYTON WILLIAMS ENERGY INC has filed a Schedule 13D for Southwest Royalties Institutional Income Fund X-B, L.P. |
| 06/25/2009 |
SC 13D/A
| Form SC 13D/A -- General statement of acquisition of beneficial ownership [amend] |
| 05/15/2009 |
10-Q
| Quarterly Report for the period ended March 31, 2009 |
|