42-461-10177
Final CompletionSHIRK MARY K.
UPTON County · District 7 · SOUTHWEST ROYALTIES INC. · MARY SHIRK (WOLFCAMP)
Permits
1
Max Depth
10,100 ft
First Permit
1979-04-17
Latest Activity
1979-04-17
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1979-05-01
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: SOUTHWEST ROYALTIES INC. ≠ Permit: UNION TEXAS PETROLEUM CORP.
Resolved via: production → SOUTHWEST ROYALTIES, 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
2026-07
Operator History
originally filed by UNION TEXAS PETROLEUM CORP. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (7) Elevation 2,535 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER ANHYD (Rustler) | 1,350 ft | +1,185 ft |
| RUSTLER ANHYDRITE (Rustler) | 1,350 ft | +1,185 ft |
| YATES | 2,368 ft | +167 ft |
| SAN ANDRES | 4,079 ft | -1,544 ft |
| DEAN SAND (Dean) | 7,751 ft | -5,216 ft |
| WOLFCAMP | 7,928 ft | -5,393 ft |
| WOLFCAMP POROSITY (Wolfcamp) | 8,343 ft | -5,808 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 |
|---|---|
| 8,344–8,412 ft | Perforated |
| 8,344–8,524 ft | Perforated |
| ?–10,150 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 360 ft | 400 sx |
| 9.625" | 4,524 ft | 500 sx |
| 9.625" | 4,524 ft | 500 sx |
| 2.375" | 8,230 ft | — |
| 5.5" | 10,250 ft | 500 sx |
Permit History (1)
Applications (1)
Records & Logs
5 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
- 10,100 ft
- Drill Type
- Vertical
- County
- UPTON
- District
- 7
- Operator
- SOUTHWEST ROYALTIES INC.
- Completed
- 1979-05-01
Operator
- Location
- MIDLAND
- P-5 Status
- Active (filed 2026-01-06)
- Cum Oil (all leases)
- 33,256,292 bbl
- Cum Gas (all leases)
- 40,059,151 mcf
- Activities
- G/PUR, OPRS/G, OPRS/O
- Total Permits
- 497