42-173-36453
PRODUCINGCALVERLEY 36S
GLASSCOCK County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2014-03-22
Latest Activity
2014-03-22
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-10-10
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: ADVENTURE EXPL PARTNERS II, 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
1993-01
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 2,696 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,021 ft | +1,675 ft |
| YATES | 2,068 ft | +628 ft |
| SEVEN RIVERS | 2,250 ft | +446 ft |
| QUEEN | 2,790 ft | -94 ft |
| GLORIETA | 2,860 ft | -164 ft |
| GRAYBURG | 2,970 ft | -274 ft |
| SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres) | 3,475 ft | -779 ft |
| CLEARFORK (Clear Fork) | 5,350 ft | -2,654 ft |
| SPRABERRY | 6,684 ft | -3,988 ft |
| WICHITA ALBANY (Wichita-Albany) | 7,550 ft | -4,854 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 |
|---|---|
| 7,350–11,155 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 461 ft | 475 sx |
| 8.625" | 4,000 ft | 1,140 sx |
| 5.5" | 11,492 ft | 1,470 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
- 1A
- Max Depth
- 12,000 ft
- Drill Type
- Vertical
- County
- GLASSCOCK
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2014-10-10
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
- 4,538