42-393-30260
FIELDS-MAHLER
ROBERTS County · District 10 · PIONEER PRODUCTION CORP. · MENDOTA NW. (GRANITE WASH SW.)
Permits
1
Max Depth
10,500 ft
First Permit
1977-12-15
Latest Activity
1977-12-15
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1978-02-23
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: PIONEER PRODUCTION CORP. ≠ Production: MMGL TXPH, LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: PIONEER PRODUCTION CORP. ≠ Permit: AMARILLO OIL CO.
Resolved via: production → MMGL TXPH, 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
1993-01
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 2,718 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| HEAVNER | 6,764 ft | -4,046 ft |
| KANSAS CITY | 7,868 ft | -5,150 ft |
| OSWEGO | 8,720 ft | -6,002 ft |
| GRANITE WASH | 9,072 ft | -6,354 ft |
| ATOKA | 10,340 ft | -7,622 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 |
|---|---|
| 9,204–9,638 ft | Perforated |
| 9,204–9,851 ft | Perforated |
| 9,735–9,851 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 2,900 ft | 2,000 sx |
| 4.5" | 10,000 ft | 320 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 3-98
- Max Depth
- 10,500 ft
- Drill Type
- Vertical
- County
- ROBERTS
- District
- 10
- Operator
- PIONEER PRODUCTION CORP.
- Completed
- 1978-02-23
Operator
- Name
- PIONEER PROD CORP
- Location
- AMARILLO
- P-5 Status
- Inactive (filed 1985-08-06)
- Total Permits
- 110