42-033-31210
Final CompletionNEWTON
BORDEN County · District 8 · COG OPERATING LLC · DUNIGAN (ELLENBURGER)
Permits
1
Max Depth
8,850 ft
First Permit
1985-12-10
Latest Activity
1985-12-10
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1986-02-01
Shut-In
—
Plugged
2012-04-23
EWA / Production operator mismatch
Scheduling: COG OPERATING LLC ≠ Production: PERMIAN RESOURCES, INC. (reported 2003-09)
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: PERMIAN RESOURCES, INC.
Resolved via: scheduling → COG OPERATING LLC
Production Summary Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil
— bbl
Cum Gas
— mcf
First Production
1993-01
Last Production
2013-01
Operator History
originally filed by PERMIAN RESOURCES, INC. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (2) Elevation 2,731 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| STRAWN | 8,250 ft | -5,519 ft |
| ELLENBURGER | 8,800 ft | -6,069 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗
Perforations (1)
| Interval | Type |
|---|---|
| 8,833–8,846 ft | Open hole |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 245 ft | 250 sx |
| 8.625" | 2,915 ft | 500 sx |
| 4.5" | 8,834 ft | 1,090 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1A
- Max Depth
- 8,850 ft
- Drill Type
- Vertical
- County
- BORDEN
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 1986-02-01
Operator
- Name
- COG OPER LLC
- Location
- MIDLAND
- P-5 Status
- X (filed 2026-06-02)
- Cum Oil (all leases)
- 645,285,792 bbl
- Cum Gas (all leases)
- 305,183,488 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 4,560