| Relationships | Role | Relationship Start | Relationship End |
| Sierra Petroleum Co., Inc. | Parent | 12/31/1970 | 10/31/1972 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Sierra Petroleum Co., Inc. | Buyer | Discontinued | 11/1/1972 |
| Relationships | Role | Relationship Start | Relationship End |
| Sierra Petroleum Co., Inc. | Parent | 12/31/1970 | 10/31/1972 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Sierra Petroleum Co., Inc. | Buyer | Discontinued | 11/1/1972 |