42-181-30966
Final CompletionMARILYN
GRAYSON County · District 9 · SAMSON LONE STAR LLC · PERRIN N. AFB (CORDELL SD.)
Permits
3
Max Depth
10,800 ft
First Permit
1983-06-15
Latest Activity
2012-05-17
Lifespan
29 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1983-07-30
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: SAMSON LONE STAR LLC ≠ Production: BKM PRODUCTION (reported 2026-04)
Resolved via: production → BKM PRODUCTION
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 (9) Elevation 683 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAY DEESE | 7,280 ft | -6,597 ft |
| DORNICK HILLS | 8,070 ft | -7,387 ft |
| ATOKA | 8,800 ft | -8,117 ft |
| DAVIS | 9,100 ft | -8,417 ft |
| DAVIS SAND | 9,100 ft | -8,417 ft |
| CORDELL | 9,720 ft | -9,037 ft |
| CORDELL SAND | 9,720 ft | -9,037 ft |
| PENN UNC (Pennsylvanian) | 10,620 ft | -9,937 ft |
| PENN. UNCONFORMITY (Pennsylvanian) | 10,620 ft | -9,937 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 |
|---|---|
| 8,474–8,480 ft | Perforated |
| 8,498–8,512 ft | Perforated |
| 9,815–9,832 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,960 ft | 1,200 sx |
| 2.875" | 9,484 ft | — |
| 5.5" | 10,670 ft | 1,600 sx |
Permit History (3)
Applications (3)
Records & Logs
5 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
- 1
- Max Depth
- 10,800 ft
- Drill Type
- Vertical
- County
- GRAYSON
- District
- 9
- Operator
- SAMSON LONE STAR LLC
- Completed
- 1983-07-30
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