42-161-33457
Final CompletionWILLIFORD GAS UNIT
FREESTONE County · District 5 · XTO ENERGY INC. · SIMSBORO N. (COTTON VALLEY)
Permits
2
Max Depth
12,700 ft
First Permit
2006-01-17
Latest Activity
2006-01-17
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2007-06-12
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: XTO ENERGY INC. ≠ Production: HILCORP ENERGY COMPANY (reported 2026-04)
Resolved via: production → HILCORP ENERGY COMPANY
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
2007-06
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (5) Elevation 420 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BMA | 6,854 ft | -6,434 ft |
| PETTIT | 7,511 ft | -7,091 ft |
| TRAVIS PEAK | 7,695 ft | -7,275 ft |
| BOSSIER | 10,567 ft | -10,147 ft |
| COTTON VALLEY LIME (Cotton Valley) | 11,804 ft | -11,384 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 |
|---|---|
| 10,589–11,125 ft | Perforated |
| 10,589–11,836 ft | Perforated |
| 11,828–11,836 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 705 ft | 280 sx |
| 5.5" | 12,110 ft | 1,805 sx |
Permit History (2)
Applications (2)
Records & Logs
3 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
- 4
- Max Depth
- 12,700 ft
- Drill Type
- Vertical
- County
- FREESTONE
- District
- 5
- Operator
- XTO ENERGY INC.
- Completed
- 2007-06-12
Operator
- Name
- XTO ENGY INC
- Location
- SPRING
- P-5 Status
- X (filed 2026-04-08)
- Cum Oil (all leases)
- 772,419,164 bbl
- Cum Gas (all leases)
- 11,039,899,986 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 16,139