🛢️ Phoenix 5602 13-17 4B

Oasis Petroleum North America LLC · Williams County, ND · File #41545 · Generated 2026-02-13 12:33

API: 33-105-06421
Target Formation: Middle Bakken
Permit Explained: Partially

📋 Permit Cycle Assessment

The permit approval (04/08/2025, dirt work date) is substantially explained by contemporaneous technical submissions that justify the permit conditions. The NDIC setback stipulation (150'/500') is directly supported by the wet shoe completion design and anticollision analysis (both pre-drill deliverables). The open hole log waiver (05/15/2025, approved 05/15/2025) was pre-approved relative to the permit approval date and relies on offset well data adequacy. However, the freshwater tank sundry form (Form 285468, dated 12/03/2025, approved 12/09/2025) post-dates drilling completion (06/27/2025) and is procedurally outside the permit cycle—it addresses operational logistics (tank build schedule 12/03/2025–01/25/2026) rather than permit justification. The production facility notification (03/25/2025, received 03/28/2025) and spud notification (05/27/2025, received 05/28/2025) are compliance documents but do not justify permit terms. In aggregate, the core permit conditions are defensible on technical grounds pre-dating or contemporaneous with approval, but no explicit regulator explanation of the permit decision (e.g., review letter, order rationale) is present in the file.

🔍 Permit Cycle Signals (5)

Permit approval issued under NDIC Order No. 32567 with specific setback conditions: 150' north/south, 500' east/west within 1920-acre spacing unit (Sections 17, 20, 29, T156N, R102W)

Direct

📄 APPLICATION FOR PERMIT FOR NEW WELL - HORIZONTAL OIL & GAS DIVISION, Stipulations section, NDIC Field Order Info
📅 04/08/2025 (Exact confidence)

Direct regulatory condition conditioning permit approval; south setback based on cemented lateral with wet shoe configuration

Open Hole Log Waiver approved (Form 247813) citing offset well (Straw POW 5602 42-17, NDIC File No. 28007) within one mile with sufficient open logs; GR-CBL to be run from TD to ground level

Direct

📄 SUNDRY FORM FILE NUMBER 41545, FORM ID: 247813, Description and Reviewer Comments
📅 05/15/2025 (Exact confidence)

Regulator approval of deviation from standard logging requirement; justified by offset well proximity and data sufficiency

Wet shoe production liner configuration approved with overcatch of 7 barrels of displacement fluid creating ~400' uncemented annulus at toe for economic toe initiation without wireline perforation cost

Supporting

📄 Details of Standard Wet Shoe (unnumbered document); discussed in context of lateral completion design
📅 Unknown (Missing confidence)

Technical basis for south setback waiver; supports economic execution within permitted geometry constraints

Anticollision analysis completed (dated 10/30/2024) confirming minimum separation factors >1.2 with offset wells (Ellis 5602 13-17 2B/3B/4B, Cyclone 5502 11-17 3B/4B, Driesbach 5602 44-32H, and others); closest approach with Ellis 4B at 10,552 MD with SF 1.654

Supporting

📄 Anticollision Report, dated 10/30/2024, Summary table and ladder plot
📅 10/30/2024 (Exact confidence)

Pre-drilling technical justification for directional design within permitted setback; demonstrates engineering compliance with 1.2 safety factor standard

Production facility location notification (Form 238222, dated 03/28/2025) submitted per APD stipulation, relocating production flowline off Phoenix pad to adjacent facility on different pad; coordinates production equipment consolidation under NDAC 43-02-03-48.1

Direct

📄 SUNDRY FORM FILE NUMBER 41545, FORM ID: 238222, Description and Reviewer Comments
📅 03/25/2025 (Exact confidence)

Conditional requirement embedded in APD stipulation; notification demonstrates compliance with facility location constraints affecting operational feasibility

📖 Historical Context (6)

Bull Butte-Bakken Pool definition per NDIC Field Order: accumulation interval from 50 feet above Bakken top to above Birdbear Formation top
📄 APPLICATION FOR PERMIT, Stipulations section, NDIC Field Order Info · 📅 Unknown
Establishes forward regulatory pool boundary and spacing framework; constrains future drilling and completion operations in this field

Closed mud system with no cuttings pit requirement; remote or automatic shutoff devices required on all equipment
📄 APPLICATION FOR PERMIT, Stipulations section, Permit Review Policy · 📅 Unknown
Environmental/safety operational mandate persisting through well lifecycle; affects disposal pathway and equipment specifications for future work

Pre-drilling notification requirement to NDIC Field Inspector Jessica Gilkey (701-770-7340) prior to location construction
📄 APPLICATION FOR PERMIT, Stipulations section, Construction Commencement Notification · 📅 Unknown
Ongoing coordination requirement; establishes regulator contact point for field supervision and changes to construction scope

Core and sample shipment mandate within 30 days (samples) and 180 days (cores) of drilling completion to ND Geological Survey Core Library, Grand Forks
📄 Letter dated 1/27/2025 from Ross Edison (Geologist), DMR Oil and Gas Division, citing NDCC 38-08-04 and NDAC 43-02-03-38.1 · 📅 01/27/2025
Regulatory obligation affecting post-drilling operations; samples were collected per plan (30' vertical/build, 200' lateral intervals per geological summary); non-compliance triggers civil penalty up to $12,500/day

Diesel-based stimulation fluid prohibition: operator commitment to exclude CAS compounds 68334-30-5, 68476-34-6, 68476-30-2, 68476-31-3, 8008-20-6
📄 Unnumbered compliance document: 'DIESEL BASED STIMULATION FLUIDS/COMPOUNDS' · 📅 Unknown
Constrains completion fluid chemistry; affects frac design and execution; likely tied to state environmental/groundwater protection requirements

Licensed disposal facility list provided for dry cuttings (Chimney Butte, Petrocomp, Dishon, Prairie Disposal, Ideal Oilfield, IHD Solids, Secure Energy, Tervita) with operator commitment to use closest available facility
📄 Unnumbered compliance document: 'LICENSED FACILITIES FOR SOLID DRILL CUTTINGS DISPOSAL' · 📅 Unknown
Operational constraint on waste stream logistics; affects hauling economics and timeline; non-compliance with NDCC 38-08-04 waste management provisions

🔧 Operator Pattern

Oasis Petroleum (subsidiary of Chord Energy) demonstrates systematic compliance with NDIC technical and environmental requirements through pre-drill submissions, waiver justifications, and multi-well pad coordination
File shows: (1) timely permit application with detailed anticollision modeling and directional design; (2) proactive open hole log waiver request with offset well justification (05/15/2025); (3) pad-level production facility consolidation notification (03/25/2025) referencing NDAC 43-02-03-48.1; (4) anti-collision statement addressing 1.2 separation safety factor, real-time corrected surveys, and gamma ray identification protocols; (5) construction materials statement committing to in-situ sourcing with scoria contingency; (6) facility statement citing setback exemption under NDIC Order No. 31500 (Case No. 28949); (7) multi-well coordination across Phoenix/Ellis pads (6-well pad cluster). No violations or enforcement actions documented in file.

Confidence: Medium
Strong contemporaneous technical documentation (anticollision analysis, directional survey, geological logs, well location plat) directly supports permit conditions and design choices. Permit approval date (04/08/2025, dirt work date) anchors analysis, but formal NDIC approval letter or permit order rationale is absent from file. Spud date (05/22/2025) and drilling completion date (06/27/2025) are explicitly documented. However, some signal dates are inferred from submission/receipt dates rather than explicit approval dates (e.g., wet shoe discussion lacks signature date). Production facility notification and freshwater tank operations post-date drilling completion, reducing their explanatory weight for the original permit decision. Core sampling and disposal facility commitments are clear but represent standard regulatory baseline rather than permit-specific justification.