42-329-38505
SHUT IN HorizontalHEADLEE
MIDLAND County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2013-01-22
Latest Activity
2013-01-22
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-06-11
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: RSP PERMIAN, LLC
Resolved via: production → 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
2010-02
Last Production
2026-07
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 (10) Elevation 2,972 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,110 ft | +1,862 ft |
| YATES | 3,116 ft | -144 ft |
| SEVEN RIVERS | 3,415 ft | -443 ft |
| QUEEN | 4,225 ft | -1,253 ft |
| GRAYBURG | 4,680 ft | -1,708 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 4,848 ft | -1,876 ft |
| GLORIETA | 5,558 ft | -2,586 ft |
| CLEARFORK (Clear Fork) | 7,537 ft | -4,565 ft |
| SPRABERRY | 8,376 ft | -5,404 ft |
| SPRABERRY UPPER-DEAN (Spraberry) | 8,887 ft | -5,915 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 |
|---|---|
| 10,158–15,250 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 417 ft | 425 sx |
| 9.625" | 9,126 ft | 860 sx |
| 5.5" | 15,347 ft | 1,680 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
- 3505H
- Max Depth
- 12,000 ft
- Drill Type
- Horizontal
- County
- MIDLAND
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2014-06-11
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