42-135-43234
PRODUCINGRATLIFF A
ECTOR County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
13,000 ft
First Permit
2014-09-29
Latest Activity
2014-09-29
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2015-01-22
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: RELIANCE ENERGY, INC.
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
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 2,987 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA BASE (Santa Rosa) | 1,297 ft | +1,690 ft |
| YATES | 3,122 ft | -135 ft |
| SEVEN RIVERS | 3,483 ft | -496 ft |
| QUEEN | 4,320 ft | -1,333 ft |
| GRAYBURG | 5,117 ft | -2,130 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 5,502 ft | -2,515 ft |
| CLEARFORK (Clear Fork) | 7,332 ft | -4,345 ft |
| UPPER SPRABERRY (Spraberry) | 8,176 ft | -5,189 ft |
| ATOKA | 10,517 ft | -7,530 ft |
| HOLT | — | — |
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 |
|---|---|
| 7,616–11,296 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 335 ft | 375 sx |
| 8.625" | 4,855 ft | 800 sx |
| 5.5" | 11,720 ft | 1,150 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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1915
- Max Depth
- 13,000 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2015-01-22
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