WILLAMAR WEST MIOCENE UNIT
WILLACY County · District 4 · CITATION OIL & GAS CORP. · WILLAMAR WEST (MIOCENE 4710)
Permits
2
Max Depth
8,013 ft
First Permit
1979-06-12
Latest Activity
1982-10-25
Lifespan
3 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2006-09-09
Shut-In
—
Plugged
2012-02-08
EWA / Permit operator mismatch
Scheduling: CITATION OIL & GAS CORP. ≠ Permit: AMOCO PRODUCTION COMPANY
Resolved via: scheduling → CITATION OIL & GAS CORP.
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
2012-02
Injection / Disposal
Permitted Volume
—
Max Pressure
1,500 psi
Injection Interval
3,250–4,450 ft
Injected (12mo)
—
Operator History
originally filed by AMOCO PRODUCTION COMPANY — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (2) Elevation 15 ft (RT)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO, DONNA (Frio) | 5,320 ft | -5,305 ft |
| FRIO, ALAMO (Frio) | 5,495 ft | -5,480 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 |
|---|---|
| 3,292–4,313 ft | Perforated |
| 4,277–4,313 ft | Perforated |
| 6,898–7,906 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,516 ft | 1,035 sx |
| 10.75" | 1,516 ft | — |
| 2.375" | 4,200 ft | — |
| 7" | 8,012 ft | 550 sx |
| 7" | 8,012 ft | — |
Permit History (2)
Applications (2)
Records & Logs
4 completion filings on record.
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
- M-13
- Max Depth
- 8,013 ft
- Drill Type
- Vertical
- County
- WILLACY
- District
- 4
- Operator
- CITATION OIL & GAS CORP.
- Completed
- 2006-09-09
Operator
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-05-27)
- Cum Oil (all leases)
- 72,247,033 bbl
- Cum Gas (all leases)
- 24,511,082 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 864