42-431-31621
Final CompletionMAHAFFEY -A-
STERLING County · District 8 · RANGE PRODUCTION COMPANY · CONGER (PENN)
Permits
1
Max Depth
8,500 ft
First Permit
1985-03-21
Latest Activity
1985-03-21
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-07-16
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: RANGE PRODUCTION COMPANY ≠ Production: BURK ROYALTY CO., LTD. (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: RANGE PRODUCTION COMPANY ≠ Permit: GRAND BANKS ENERGY COMPANY
Resolved via: production → BURK ROYALTY CO., LTD.
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 (2) Elevation 2,576 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CISCO SANDS (Cisco) | 7,710 ft | -5,134 ft |
| CANYON SANDS (Canyon) | 7,862 ft | -5,286 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 (3)
| Interval | Type |
|---|---|
| 7,724–7,784 ft | Perforated |
| 7,862–7,898 ft | Perforated |
| 7,966–8,163 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 160 ft | 175 sx |
| 8.625" | 1,930 ft | 1,215 sx |
| 4.5" | 8,308 ft | 1,400 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
- 8,500 ft
- Drill Type
- Vertical
- County
- STERLING
- District
- 8
- Operator
- RANGE PRODUCTION COMPANY
- Completed
- 1985-07-16
Operator
- Name
- RANGE PROD CO
- Location
- FORT WORTH
- P-5 Status
- Inactive (filed 2015-03-04)
- Cum Oil (all leases)
- 24,506,970 bbl
- Cum Gas (all leases)
- 450,917,099 mcf
- Total Permits
- 1,666