42-211-33832
Final CompletionCOFFEE 1
HEMPHILL County · District 10 · SAMSON LONE STAR LLC · MENDOTA NW. (GRANITE WASH)
Permits
1
Max Depth
12,220 ft
First Permit
2007-01-29
Latest Activity
2007-01-29
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2007-04-10
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: SAMSON LONE STAR LLC ≠ Production: BCE-MACH II LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: SAMSON LONE STAR LLC ≠ Permit: DOMINION OKLAHOMA TEXAS E&P, INC
Resolved via: production → BCE-MACH II 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
2007-04
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 (7) Elevation 2,674 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| T/BRN. DOLOMITE | 4,192 ft | -1,518 ft |
| T/BROWN DOLOMITE | 4,192 ft | -1,518 ft |
| B/HEEBNER DOUGLAS | 7,170 ft | -4,496 ft |
| CLEVELAND MKR. (Cleveland) | 8,963 ft | -6,289 ft |
| T/BRITT GRANITE WASH | 9,662 ft | -6,988 ft |
| GRANITE WASH D SHALE (Granite Wash) | 10,364 ft | -7,690 ft |
| ATOKA WASH (Atoka) | 10,728 ft | -8,054 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 |
|---|---|
| 9,832–11,206 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,043 ft | 1,945 sx |
| 5.5" | 11,688 ft | 470 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
- 12,220 ft
- Drill Type
- Vertical
- County
- HEMPHILL
- District
- 10
- Operator
- SAMSON LONE STAR LLC
- Completed
- 2007-04-10
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