42-329-01002
Final CompletionHALEY J. F.
MIDLAND County · District 8 · COG OPERATING LLC · PARKS (SPRABERRY)
Permits
2
Max Depth
10,500 ft
First Permit
1985-06-24
Latest Activity
1994-02-16
Lifespan
9 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1994-02-24
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: MOBIL PRODUCING TX. & N.M. 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
2026-07
Injection / Disposal
MIDLAND County disposal market →Permitted Volume
—
Max Pressure
—
Injection Interval
—
Injected (12mo)
—
Operator History
Chain of Custody
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 2,807 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SPRABERRY | 7,790 ft | -4,983 ft |
| DEAN | 9,090 ft | -6,283 ft |
| WOLFCAMP | 9,210 ft | -6,403 ft |
| STRAWN | 10,095 ft | -7,288 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 (5)
| Interval | Type |
|---|---|
| 7,790–8,730 ft | Perforated |
| 10,095–10,293 ft | Perforated |
| 10,430–10,438 ft | Perforated |
| 10,444–10,474 ft | Perforated |
| 10,478–10,488 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 451 ft | — |
| 9.625" | 4,650 ft | — |
| 7.625" | 10,527 ft | — |
Permit History (2)
Applications (2)
Records & Logs
8 completion filings on record · 5 with log images at RRC.
+2 more filings
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
- 1
- Max Depth
- 10,500 ft
- Drill Type
- Vertical
- County
- MIDLAND
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 1994-02-24
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