42-329-37275
Final CompletionGATLIN MARY
MIDLAND County · District 8 · COG OPERATING LLC · PARKS (CONSOLIDATED)
Permits
1
Max Depth
12,000 ft
First Permit
2011-05-04
Latest Activity
2011-05-04
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-10-20
Shut-In
—
Plugged
2024-08-15
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
2009-04
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 2,822 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 7,810 ft | -4,988 ft |
| DEAN | 9,110 ft | -6,288 ft |
| WOLFCAMP | 9,210 ft | -6,388 ft |
| LOWER WOLFCAMP (Wolfcamp) | 9,585 ft | -6,763 ft |
| BASE WOLFCAMP (Wolfcamp) | 10,030 ft | -7,208 ft |
| STRAWN | 10,140 ft | -7,318 ft |
| BEND | 10,465 ft | -7,643 ft |
| MISSISSIPPI LIME (Mississippian) | 11,535 ft | -8,713 ft |
| WOODFORD | 11,570 ft | -8,748 ft |
| DEVONIAN | 11,635 ft | -8,813 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 |
|---|---|
| 7,870–10,665 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 400 ft | 230 sx |
| 5.5" | 11,835 ft | 925 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing 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
- 8
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2011-10-20
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
- 4,550