Permits
1
Max Depth
4,950 ft
First Permit
1979-08-07
Latest Activity
1979-08-07
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1979-09-19
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: RIO BRAVO PRODUCTION LLC ≠ Permit: SIERRA EXPLORATION CO.
Resolved via: production → RIO BRAVO PRODUCTION, 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
Permitted Volume
300 bbl/d
Max Pressure
800 psi
Injection Interval
2,540–2,630 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2025-10-01)
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 (1) Elevation 1,239 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BUTTRAM SAND | 2,540 ft | -1,301 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 |
|---|---|
| 2,540–2,630 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 531 ft | 375 sx |
| 4.5" | 4,774 ft | 200 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing on record.
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
- 4
- Max Depth
- 4,950 ft
- Drill Type
- Vertical
- County
- JACK
- District
- 9
- Operator
- RIO BRAVO PRODUCTION LLC
- Completed
- 1979-09-19
Operator
- Name
- RIO BRAVO PROD, LLC
- Location
- GRAHAM
- P-5 Status
- Active (filed 2025-10-06)
- Cum Oil (all leases)
- 48,999 bbl
- Cum Gas (all leases)
- 47,261 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 3