42-501-35500
PRODUCINGLANGFORD 419
YOAKUM County · District 8 · SOUTHWEST ROYALTIES INC. · BLOCK D SOUTH (DEVONIAN)
Permits
1
Max Depth
12,500 ft
First Permit
2008-02-14
Latest Activity
2008-02-14
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2008-08-27
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: SOUTHWEST ROYALTIES INC. ≠ Permit: COBRA OIL & GAS CORPORATION
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
2008-08
Last Production
2026-07
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 3,763 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WOLFCAMP | 9,033 ft | -5,270 ft |
| PENN (Pennsylvanian) | 10,108 ft | -6,345 ft |
| ATOKA | 11,039 ft | -7,276 ft |
| MISS (Mississippian) | 11,194 ft | -7,431 ft |
| WOODFORD | 11,862 ft | -8,099 ft |
| DEVONIAN | 11,932 ft | -8,169 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 |
|---|---|
| 11,933–11,940 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 433 ft | 570 sx |
| 8.625" | 5,690 ft | 1,380 sx |
| 5.5" | 12,094 ft | 960 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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
- 1
- Max Depth
- 12,500 ft
- Drill Type
- Vertical
- County
- YOAKUM
- District
- 8
- Operator
- SOUTHWEST ROYALTIES INC.
- Completed
- 2008-08-27
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