42-211-33702
Final CompletionMENDOTA RANCH 51B
HEMPHILL County · District 10 · SAMSON LONE STAR LLC · MENDOTA NW. (GRANITE WASH)
Permits
1
Max Depth
11,800 ft
First Permit
2006-08-30
Latest Activity
2006-08-30
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2006-10-19
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: SAMSON LONE STAR LLC ≠ Permit: DOMINION OKLAHOMA TEXAS E&P, INC
Resolved via: scheduling → SAMSON LONE STAR 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
2006-10
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 (8) Elevation 2,544 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| T/BROWN DOLOMITE | 3,960 ft | -1,416 ft |
| B/HEEBNER-T-DOUGLAS | 6,992 ft | -4,448 ft |
| T/HEEBNER-T/DOUGLAS | 6,992 ft | -4,448 ft |
| T/TONKAWA | 7,753 ft | -5,209 ft |
| AVANT LS | 8,341 ft | -5,797 ft |
| T/CARR | 9,673 ft | -7,129 ft |
| T/BRITT GRANITE WASH | 9,819 ft | -7,275 ft |
| THIRTEEN FINGERS | 11,230 ft | -8,686 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 |
|---|---|
| 9,825–11,002 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,030 ft | 1,750 sx |
| 5.5" | 11,337 ft | 480 sx |
Permit History (1)
Applications (1)
Records & Logs
4 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
- 7
- Max Depth
- 11,800 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- SAMSON LONE STAR LLC
- Completed
- 2006-10-19
Operator
- Location
- TULSA
- P-5 Status
- Delinquent (filed 2020-01-30)
- Cum Oil (all leases)
- 5,312,544 bbl
- Cum Gas (all leases)
- 1,149,688,476 mcf
- Activities
- G/PUR
- Total Permits
- 1,290