42-389-31007
Final CompletionMADDOX-WILLBANKS 15
REEVES County · District 8 · XTO ENERGY INC. · HERSHEY W. (DEV.-MONT.)
Permits
1
Max Depth
16,900 ft
First Permit
1978-10-27
Latest Activity
1978-10-27
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1979-05-24
Shut-In
—
Plugged
2019-11-06
EWA / Production operator mismatch
Scheduling: XTO ENERGY INC. ≠ Production: FREEDOM ENERGY, INC. (I) (reported 2001-09)
EWA / Permit operator mismatch
Scheduling: XTO ENERGY INC. ≠ Permit: NORTHERN NATURAL GAS CO.
Resolved via: scheduling → XTO ENERGY INC.
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
2019-11
Injection / Disposal
REEVES County disposal market →Permitted Volume
2,000 bbl/d
Max Pressure
1,500 psi
Injection Interval
12,668–16,553 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2019-11-01)
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 (6) Elevation 3,210 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,159 ft | +2,051 ft |
| LAMAR | 5,313 ft | -2,103 ft |
| BONE SPRINGS (Bone Spring) | 7,930 ft | -4,720 ft |
| BARNETT | 14,890 ft | -11,680 ft |
| DEVONIAN | 15,762 ft | -12,552 ft |
| MONTOYA | 16,025 ft | -12,815 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 |
|---|---|
| 15,817–16,553 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 659 ft | 1,100 sx |
| 13.375" | 5,325 ft | 5,500 sx |
| 3.5" | 12,311 ft | — |
| 9.625" | 12,600 ft | 1,050 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1
- Max Depth
- 16,900 ft
- Drill Type
- Vertical
- County
- REEVES
- District
- 8
- Operator
- XTO ENERGY INC.
- Completed
- 1979-05-24
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