42-269-31663
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
1986-12-01
Latest Activity
1986-12-01
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-01-27
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
Injection / Disposal
Permitted Volume
1,500 bbl/d
Max Pressure
1,000 psi
Injection Interval
5,356–5,371 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 (4) Elevation 1,706 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| T/COLEMAN JUNCTION | 2,460 ft | -754 ft |
| T/STRAWN LIME | 5,300 ft | -3,594 ft |
| T/TWIN PEAKS | 5,354 ft | -3,648 ft |
| T/MISSISSIPPIAN LS | 6,046 ft | -4,340 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 |
|---|---|
| 5,356–5,371 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 217 ft | 100 sx |
| 5.5" | 5,513 ft | 450 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
- 6
- Max Depth
- 6,100 ft
- Drill Type
- Vertical
- County
- KING
- District
- 8
- Operator
- MIOCENE OIL & GAS LTD.
- Completed
- 1988-01-27
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