42-417-36117
Final CompletionCOTTLE
SHACKELFORD County · District 7 · GROTHE BROS. · ROYALL (ELLENBURGER)
Permits
1
Max Depth
4,500 ft
First Permit
1984-12-31
Latest Activity
1984-12-31
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-02-08
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: GROTHE BROS. ≠ Production: PETEX (reported 2026-04)
Resolved via: production → PETEX
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 (6)
CSV| Formation | Top Depth (MD) |
|---|---|
| BRECKENRIDGE LS. | 479 ft |
| PALO PINTO LS. (Palo Pinto) | 1,690 ft |
| CADDO LS. (Caddo) | 3,545 ft |
| MARBLE FALLS | 3,675 ft |
| DUFFER LIME (Duffer) | 3,894 ft |
| ELLENBURGER | 4,053 ft |
As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗
Perforations (1)
| Interval | Type |
|---|---|
| 3,863–3,878 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 347 ft | 275 sx |
| 5.5" | 4,069 ft | 175 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings 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
- 1
- Max Depth
- 4,500 ft
- Drill Type
- Vertical
- County
- SHACKELFORD
- District
- 7
- Operator
- GROTHE BROS.
- Completed
- 1985-02-08
Operator
- Name
- GROTHE BROS
- Location
- ALBANY
- P-5 Status
- Inactive (filed 2010-04-30)
- Cum Oil (all leases)
- 125,686 bbl
- Cum Gas (all leases)
- 1,260,897 mcf
- Total Permits
- 69