MALLARD
ATASCOSA County · District 1 · PEDECO INC. · PEARSALL (AUSTIN CHALK)
Permits
2
Max Depth
6,500 ft
First Permit
1997-02-25
Latest Activity
2010-09-07
Lifespan
14 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1997-05-13
Shut-In
—
Plugged
1999-02-05
EWA / Permit operator mismatch
Scheduling: PEDECO INC. ≠ Permit: HOLLIMON OIL CORPORATION
Resolved via: scheduling → PEDECO 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
1997-08
Last Production
2026-07
Injection / Disposal
Permitted Volume
10,000 bbl/d
Max Pressure
2,865 psi
Injection Interval
5,730–6,500 ft
Injected (12mo)
7,814 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-02-01)
Operator History
originally filed by HOLLIMON OIL CORPORATION — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (9) Elevation 528 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CARRIZO | 1,340 ft | -812 ft |
| OLMOS | 4,010 ft | -3,482 ft |
| OLMOS | 4,100 ft | -3,572 ft |
| ANACHACHO | 4,860 ft | -4,332 ft |
| AUSTIN CHALK | 5,120 ft | -4,592 ft |
| AUSTIN CHALK | 5,125 ft | -4,597 ft |
| EAGLEFORD (Eagle Ford) | 5,390 ft | -4,862 ft |
| BUDA | 5,490 ft | -4,962 ft |
| DEL RIO | 5,590 ft | -5,062 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 |
|---|---|
| 5,251–5,259 ft | Perforated |
| 6,028–6,038 ft | Perforated |
| 6,290–6,310 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 725 ft | 255 sx |
| 7" | 3,499 ft | 510 sx |
| 7" | 6,499 ft | 1,110 sx |
| 7" | — | 601 sx |
Permit History (2)
Applications (2)
Records & Logs
4 completion filings on record · 2 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
- 3
- Max Depth
- 6,500 ft
- Drill Type
- Vertical
- County
- ATASCOSA
- District
- 1
- Operator
- PEDECO INC.
- Completed
- 1997-05-13
Operator
- Name
- PEDECO, INC
- Location
- CASPER
- P-5 Status
- Inactive (filed 2004-09-30)
- Cum Oil (all leases)
- 641,487 bbl
- Cum Gas (all leases)
- 2,169,623 mcf
- Total Permits
- 170