| Tier | Signal | Date | Service Impact |
|---|---|---|---|
| Tier 2 |
Wet shoe configuration on production liner with intentional over-displacement of cement by 7 barrels to create uncemented annulus for economic toe initiation via wireline perforating. 📄 Section 10 titled 'Operator Drill Statements - Proposed Work Comments' Non-standard cementing technique to enable cost-effective completion without tubing or tractor, differing from typical fully cemented liners. |
Unknown | Completions / Frac |
| Tier 3 |
Drill-back notification provided to Continental Resources for adjacent spacing unit, including wellbore diagram, commencement date, and contact info. 📄 AFFIDAVIT AFFIRMING DRILL-BACK NOTIFICATION Mandatory under Order No. 31848 but specifies adjacent operator Continental, revealing inter-operator coordination in a dense field. |
2026-01-15 | Directional Drilling |
| Tier 3 |
Permit approval conditioned on closed mud system with no cuttings pit, requiring on-site leak-proof container for filter socks during operations.⏰ TIME-SENSITIVE 📄 Stipulations and NDIC letter on Filter Socks and Other Filter Media Mandates advanced mud handling and waste containment, stricter than basic pit bans, effective June 1, 2014. |
2025-05-30 | Mud / Fluids |
| Tier 3 |
Pre-selected licensed facilities for dry cuttings disposal, including Chimney Butte Environmental LLC and others, with intent to use closest available. 📄 LICENSED FACILITIES FOR SOLID DRILL CUTTINGS DISPOSAL Explicit vendor ecosystem for waste management, not routine in permits, indicating pre-arranged logistics. |
Unknown | General Oilfield Services |
| Tier 3 |
Operator commits to no diesel-based compounds in hydraulic stimulation fluids, excluding specific CAS registry numbers. 📄 DIESEL BASED STIMULATION FLUIDS/COMPOUNDS section Explicit avoidance of diesel in fracs, beyond routine environmental compliance, indicating proactive environmental strategy. |
Unknown | Completions / Frac |