42-323-33345
NO PRODUCTION HorizontalBRISCOE-SANER
MAVERICK County · District 1 · PATTERSON ENERGY CORPORATION · TWO M (GEORGETOWN)
Permits
1
Max Depth
4,000 ft
First Permit
2010-03-12
Latest Activity
2010-03-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2010-04-23
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: PATTERSON ENERGY CORPORATION ≠ Permit: NEWFIELD EXPLORATION COMPANY
Resolved via: scheduling → PATTERSON ENERGY CORPORATION
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
2009-11
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 (4) Elevation 853 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| AUSTIN CHALK | 1,710 ft | -857 ft |
| EAGLEFORD (Eagle Ford) | 2,650 ft | -1,797 ft |
| BUDA | 3,100 ft | -2,247 ft |
| GEORGETOWN | 3,460 ft | -2,607 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 |
|---|---|
| 3,602–5,730 ft | Open hole |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.875" | 266 ft | 157 sx |
| 7" | 3,602 ft | 366 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
- 421H
- Max Depth
- 4,000 ft
- Drill Type
- Horizontal
- County
- MAVERICK
- District
- 1
- Operator
- PATTERSON ENERGY CORPORATION
- Completed
- 2010-04-23
Operator
- Name
- PATTERSON ENGY CORP
- Location
- DALLAS
- P-5 Status
- X (filed 2025-10-16)
- Cum Oil (all leases)
- 165,756 bbl
- Cum Gas (all leases)
- 3,080,214 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 23