42-417-39242
PRODUCINGDEAN BROS. A
SHACKELFORD County · District 7 · RATTLESNAKE MOUNTAIN OIL LLC · SHACKELFORD COUNTY REGULAR
Permits
1
Max Depth
4,500 ft
First Permit
2011-12-01
Latest Activity
2011-12-01
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2012-07-09
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: RATTLESNAKE MOUNTAIN OIL LLC ≠ Permit: SCHKADE, PATRICIA
Resolved via: scheduling → RATTLESNAKE MOUNTAIN OIL 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
2012-01
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 (3) Elevation 1,332 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CADDO | 3,826 ft | -2,494 ft |
| LAKE SAND | 3,968 ft | -2,636 ft |
| ELLENBURGER | 4,234 ft | -2,902 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 (2)
| Interval | Type |
|---|---|
| 3,939–3,942 ft | Perforated |
| 4,234–4,268 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 111 ft | 90 sx |
| 5.5" | 4,234 ft | 170 sx |
Permit History (1)
Applications (1)
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.
No GPS coordinates yet
Well Details
- Well Number
- 4
- Max Depth
- 4,500 ft
- Drill Type
- Vertical
- County
- SHACKELFORD
- District
- 7
- Operator
- RATTLESNAKE MOUNTAIN OIL LLC
- Completed
- 2012-07-09
Operator
- Location
- BOULDER CIT
- P-5 Status
- X (filed 2026-03-19)
- Cum Oil (all leases)
- 59,523 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O
- Total Permits
- 7