42-433-33627
PRODUCINGKATZ (STRAWN) UNIT
STONEWALL County · District 7 · ATLAS OPERATING LLC · KATZ (STRAWN)
Permits
1
Max Depth
5,500 ft
First Permit
2010-11-08
Latest Activity
2010-11-08
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2011-01-25
Shut-In
—
Plugged
—
P-5 Org Status: H
EWA / Permit operator mismatch
Scheduling: ATLAS OPERATING LLC ≠ Permit: KINDER MORGAN PRODUCTION CO LLC
Resolved via: production → ATLAS OPERATING LLC
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
2010-05
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 (5) Elevation 1,452 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| COLEMAN JUNCTION | 1,991 ft | -539 ft |
| PALO PINTO | 3,026 ft | -1,574 ft |
| 1ST STRAWN (Strawn) | 4,820 ft | -3,368 ft |
| 2ND STRAWN (Strawn) | 4,879 ft | -3,427 ft |
| 3RD STRAWN (Strawn) | 5,056 ft | -3,604 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 (10)
| Interval | Type |
|---|---|
| 4,820–4,823 ft | Perforated |
| 4,824–4,850 ft | Perforated |
| 4,858–4,876 ft | Perforated |
| 4,877–4,893 ft | Perforated |
| 4,894–4,902 ft | Perforated |
| 4,903–4,910 ft | Perforated |
| 4,911–4,913 ft | Perforated |
| 4,918–4,946 ft | Perforated |
| 5,056–5,080 ft | Perforated |
| 5,081–5,141 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,207 ft | 500 sx |
| 5.5" | 5,302 ft | 935 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 271A
- Max Depth
- 5,500 ft
- Drill Type
- Vertical
- County
- STONEWALL
- District
- 7
- Operator
- ATLAS OPERATING LLC
- Completed
- 2011-01-25
Operator
- Name
- ATLAS OPER LLC
- Location
- HOUSTON
- P-5 Status
- H (filed 2026-03-09)
- Cum Oil (all leases)
- 7,184,429 bbl
- Cum Gas (all leases)
- 10,995,911 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 78