42-269-31530
Final CompletionPEN BRANCH (UPPER STRAWN) UNIT
KING County · District 8 · MIOCENE OIL & GAS LTD. · PEN BRANCH (U. STRAWN)
Permits
1
Max Depth
6,200 ft
First Permit
1985-10-22
Latest Activity
1985-10-22
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1990-11-02
Shut-In
—
Plugged
2019-02-15
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
Injection / Disposal
Permitted Volume
1,320 bbl/d
Max Pressure
2,000 psi
Injection Interval
5,381–5,400 ft
Injected (12mo)
—
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 1,726 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| DOTHAM LS | 2,705 ft | -979 ft |
| DOTHAN | 2,750 ft | -1,024 ft |
| STRAWN LIME SAND (Strawn) | 5,298 ft | -3,572 ft |
| STRAWN LS (Strawn) | 5,298 ft | -3,572 ft |
| STRAWN SAND (Strawn) | 5,381 ft | -3,655 ft |
| STRAWN SS (Strawn) | 5,381 ft | -3,655 ft |
| CADDO LS (Caddo) | 5,906 ft | -4,180 ft |
| MISSISSIPPI (Mississippian) | 6,063 ft | -4,337 ft |
| MISSISSIPPI LS (Mississippian) | 6,063 ft | -4,337 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 |
|---|---|
| 5,381–5,391 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 225 ft | 250 sx |
| 4.5" | 6,104 ft | 400 sx |
Permit History (1)
Applications (1)
Records & Logs
5 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
- 1A
- Max Depth
- 6,200 ft
- Drill Type
- Vertical
- County
- KING
- District
- 8
- Operator
- MIOCENE OIL & GAS LTD.
- Completed
- 1990-11-02
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