| 427440 | Facilities | 663600094 * | Pipeline section that leaked | 212165 | 2/10/2012 | Download |
| 427440 | Facilities | 663600095 * | Spill path looking east from near Frio Canyon | 174626 | 2/10/2012 | Download |
| 427440 | Facilities | 663600096 * | Spill path looking west towards Frio Canyon | 254958 | 2/10/2012 | Download |
| 427440 | Facilities | 663600098 * | Spill path at intersection with Frio Canyon | 396153 | 2/10/2012 | Download |
| 427440 | Facilities | 663600093 | INSPECTION APPROVED | 108759 | 2/10/2012 | Download |
| 427440 | Facilities | 200338696 | SUNDRY NOTICE | 124387 | 2/9/2012 | Download |
| 427440 | Facilities | 2223261 | PIPELINE VARIANCE REQUEST | 565197 | 7/15/2011 | Download |
| 427440 | Facilities | 2145077 | PIONEER LETTER RE: PIPELINE VARIANCE COA REPORT | 204582 | 2/25/2013 | Download |
| 427440 | Facilities | 2148437 | WATER GATHERING SYSTEM VARIANCE REPORT | 103570 | 2/25/2014 | Download |
| 427440 | Facilities | 2314477 | 2014 ANNUAL VARIANCE REPORT | 120808 | 2/15/2015 | Download |
| 427440 | Facilities | 402953583 * | INVESTIGATION/REMEDIATION WORKPLAN (INITIAL) | 338415 | 2/14/2022 | Download |
| 427440 | Facilities | 402981442 * | INVESTIGATION/REMEDIATION WORKPLAN (SUPPLEMENTAL) | 340131 | 3/14/2022 | Download |
| 427440 | Facilities | 403078159 * | INVESTIGATION/REMEDIATION WORKPLAN (SUPPLEMENTAL) | 341890 | 6/22/2022 | Download |
| 427440 | Facilities | 403260777 * | INVESTIGATION/REMEDIATION WORKPLAN (SUPPLEMENTAL) | 366378 | 2/2/2023 | Download |
| 427440 | Facilities | 403325596 * | INVESTIGATION/REMEDIATION WORKPLAN (SUPPLEMENTAL) | 366807 | 3/24/2023 | Download |