CALVERLEY 9
GLASSCOCK County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
2
Max Depth
12,000 ft
First Permit
2014-02-24
Latest Activity
2022-11-22
Lifespan
9 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2014-07-15
Shut-In
—
Plugged
2021-01-04
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: AQUA TERRA PERMIAN, LLC
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
2014-04
Last Production
2026-07
Injection / Disposal
GLASSCOCK County disposal market →Permitted Volume
20,000 bbl/d
Max Pressure
1,700 psi
Injection Interval
3,400–4,700 ft
Injected (12mo)
2,409,211 bbl
Monthly injected volume (bbl, from H-10 filings through 2026-01-01)
Seismicity: 20 earthquakes M2+ within 10 km in the last 24 months (max M3.3) · TexNet catalog
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 (11) Elevation 2,650 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,130 ft | +520 ft |
| QUEEN | 2,778 ft | -128 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,380 ft | -730 ft |
| SPRABERRY | 6,419 ft | -3,769 ft |
| CLEARFORK (Clear Fork) | — | — |
| GLORIETA | — | — |
| GRAYBURG | — | — |
| RUSTLER | — | — |
| SANTA ROSA | — | — |
| SEVEN RIVERS | — | — |
| WICHITA ALBANY (Wichita-Albany) | — | — |
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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (2)
| Interval | Type |
|---|---|
| 3,404–4,690 ft | Perforated |
| 8,425–11,158 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 422 ft | 440 sx |
| 8.625" | 4,021 ft | 1,290 sx |
| 5.5" | 11,282 ft | 1,440 sx |
Permit History (2)
Applications (2)
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.
Well Details
- Well Number
- 2
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2014-07-15
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
- 4,554