SHERIDAN ENERGY INC of HOUSTON, TX filed a DEF 14A with the SEC on 1999-04-27. Industry: Oil & Gas Field Exploration Services.
| Filed | Form |
|---|---|
| 1999-09-29 | SC 14D1/A |
| 1999-09-08 | SC 14D1/A |
| 1999-08-31 | SC 14D9 |
| 1999-08-31 | SC 14D1 |
| 1999-04-27 | DEF 14A |
| 1998-04-13 | DEF 14A |