42-431-31075
Final CompletionMAHAFFEY -A-
STERLING County · District 8 · RANGE PRODUCTION COMPANY · CONGER (PENN)
Permits
1
Max Depth
8,600 ft
First Permit
1981-10-23
Latest Activity
1981-10-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1981-11-25
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: RANGE PRODUCTION COMPANY ≠ Production: BURK ROYALTY CO., LTD. (reported 2026-02)
EWA / Permit operator mismatch
Scheduling: RANGE PRODUCTION COMPANY ≠ Permit: WAGNER & BROWN
Resolved via: scheduling → RANGE PRODUCTION COMPANY
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 (5) Elevation 2,530 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 1,188 ft | +1,342 ft |
| SAN ANDRES | 2,199 ft | +331 ft |
| CLEARFORK (Clear Fork) | 3,186 ft | -656 ft |
| CISCO-SAND (Cisco) | 7,420 ft | -4,890 ft |
| CANYON-SAND (Canyon) | 7,569 ft | -5,039 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 (4)
| Interval | Type |
|---|---|
| 7,476–7,695 ft | Perforated |
| 7,476–8,100 ft | Perforated |
| 7,781–7,981 ft | Perforated |
| 8,070–8,100 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,958 ft | 1,200 sx |
| 2.375" | 8,102 ft | — |
| 4.5" | 8,263 ft | 1,500 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 104
- Max Depth
- 8,600 ft
- Drill Type
- Vertical
- County
- STERLING
- District
- 8
- Operator
- RANGE PRODUCTION COMPANY
- Completed
- 1981-11-25
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