42-269-31488
Final CompletionPEN BRANCH (UPPER STRAWN) UNIT
KING County · District 8 · MIOCENE OIL & GAS LTD. · PEN BRANCH (U. STRAWN)
Permits
1
Max Depth
6,100 ft
First Permit
1985-08-06
Latest Activity
1985-08-06
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-09-09
Shut-In
—
Plugged
2016-09-07
EWA / Permit operator mismatch
Scheduling: MIOCENE OIL & GAS LTD. ≠ Permit: CREGO EXPLORATION
Resolved via: scheduling → MIOCENE OIL & GAS 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 (5) Elevation 1,720 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| DOTHAN LS | 2,772 ft | -1,052 ft |
| STRAWN LS (Strawn) | 5,286 ft | -3,566 ft |
| STRAWN SS (Strawn) | 5,354 ft | -3,634 ft |
| CADDO LS (Caddo) | 5,867 ft | -4,147 ft |
| MISSISSIPPIAN LS (Mississippian) | 6,030 ft | -4,310 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 |
|---|---|
| 5,354–5,363 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 236 ft | 275 sx |
| 4.5" | 5,451 ft | 225 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record · 2 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
- 6,100 ft
- Drill Type
- Vertical
- County
- KING
- District
- 8
- Operator
- MIOCENE OIL & GAS LTD.
- Completed
- 1985-09-09
Operator
- Location
- ENGLEWOOD
- P-5 Status
- Delinquent (filed 2025-05-29)
- Cum Oil (all leases)
- 313,461 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O