| Tier | Signal | Date | Service Impact |
|---|---|---|---|
| Tier 2 |
Use of a 'wet shoe' liner configuration for cost-effective toe initiation ๐ Section 1.11 Wet Shoe and accompanying schematic Design involves intentionally over-displacing cement by 7 barrels to create ~400 ft of uncemented annulus at the liner toe. This allows pumping down first-stage perforating guns on wireline, avoiding more expensive tubing-conveyed or tractor methods. |
Unknown | Completions / Frac |
| Tier 3 |
Closed mud system with no cuttings pit required; cuttings must go to licensed disposal facility ๐ Permit Stipulations & Section 1.10 Licensed Facilities Permit stipulation mandates a closed mud system. Operator declares cuttings will be hauled to the closest available licensed facility from a pre-vetted list (e.g., Ideal Oilfield Disposal, IHD Solids Management). |
2026-07-22 | Mud / Fluids |
| Tier 3 |
Mandatory contact with specific NDIC Field Inspector (Marc Binns) prior to pad expansion or conductor setting ๐ Permit Stipulations Page 3 Regulatory condition names a specific inspector (Marc Binns, 701-770-2564) who must be contacted before two specific operations: expanding the pad or setting conductor. This is a personalized regulatory checkpoint. |
2026-07-22 | General Oilfield Services |
| Tier 3 |
Casing inspection log required on deep-set surface casing prior to setting next string ๐ Permit Stipulations Page 2 Beyond standard CBLs, a specific casing inspection log is mandated on the 13-3/8-inch surface casing before drilling ahead. This is a non-routine integrity check. |
2026-07-22 | General Oilfield Services |
| Tier 3 |
Waiver requested for mandatory adjacent operator notification due to common parent company (Chord Energy) ๐ Letter to NDIC dated Monday, July 20, 2026 Operator requests waiver from notifying adjacent operator (Oasis Petroleum North America LLC) because both are subsidiaries of Chord Energy. This bypasses a standard regulatory step. |
2026-07-20 | Regulatory / Permitting |
| Tier 3 |
Off-spacing drilling from surface location outside target unit with executed Surface Use Agreement ๐ Affidavit affirming Surface Use Agreement Well is drilled from a pad in Lot 7, Sec 4, T152N, R101W into 'off-lease' units (S25,36 T153N R101W & S30,31 T153N R100W). Requires a Surface Use Agreement with the landowner, indicating complex surface access negotiations are already resolved. |
2026-07-20 | General Oilfield Services |
| Tier 3 |
Anticipated drilling commencement date explicitly stated as July 15, 2025, in operator's proposed workโฐ TIME-SENSITIVE ๐ Section 1.8 Anticipated Starting Dates The document contains a forward-looking operational date (Jul 15, 2025) for well commencement, which is specific and pre-dates the permit approval date (Jul 22, 2026). This indicates advanced planning and a target timeline. |
2025-07-15 | Mud / Fluids |