| Tier | Signal | Date | Service Impact |
|---|---|---|---|
| Tier 2 |
Waiver for tubing/packer requirement, with assurances on casing integrity and monitoring. ๐ Sundry Form ID: 254340 Non-standard completion design allowing flowback without packer, based on casing strength and fluid properties. |
2025-06-18 | Regulatory / Permitting |
| Tier 3 |
Intent to install 10,000 bbl freshwater tank on pad from December 2025 to February 2026.โฐ TIME-SENSITIVE ๐ Sundry Form ID: 285403 Post-drilling environmental work for water storage, timed for winter operations, indicating proactive water management in arid region. |
2025-12-01 | General Oilfield Services |
| Tier 3 |
Mud type switch from OBM in vertical/curve to brine in lateral section. ๐ Mud Record and Geological Summary Transition to brine for reservoir compatibility or cost reasons, differing from standard OBM use throughout. |
2025-09-24 | Mud / Fluids |
| Tier 3 |
Geosteering adjustments due to variations in Upper Lodgepole marker, revising landing target downward. ๐ Geological Summary Real-time stratigraphic correlation and target revision, showing adaptive drilling in heterogeneous formation. |
2025-09-23 | General Oilfield Services |
| Tier 3 |
Request to revise casing design from 9 5/8" to 13 3/8" surface casing for enhanced integrity or pressure handling. ๐ Sundry Form ID: 268020 Non-standard casing size adjustment post-permit approval, indicating adaptive engineering for subsurface conditions or regulatory compliance. |
2025-09-04 | General Oilfield Services |
| Tier 3 |
Waiver requested for filter sock container, citing no use of filtration systems during drilling. ๐ Sundry Form ID: 254329 Deviation from standard environmental containment requirements, suggesting operator's preference for simplified drilling fluids management. |
2025-06-18 | Regulatory / Permitting |
| Tier 3 |
Waiver for open hole logs, relying on offset well data for formation tops. ๐ Sundry Form ID: 254294 Bypasses routine logging to leverage existing subsurface data, reducing operational costs in a mature field. |
2025-06-18 | Regulatory / Permitting |
| Tier 3 |
Notification to adjacent operators (PetroHunt, Whiting/Chord Energy) for wellbore traversing outside spacing unit. ๐ State of North Dakota Acknowledgement Proactive disclosure for inter-operator coordination in shared subsurface, beyond standard permitting. |
2025-06-01 | General Oilfield Services |