42-383-34557
Final CompletionUNIVERSITY 6A
REAGAN County · District 7 · MARATHON OIL COMPANY · GRIERSON SPRING (STRAWN)
Permits
1
Max Depth
9,500 ft
First Permit
1996-04-03
Latest Activity
1996-04-03
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1996-05-16
Shut-In
—
Plugged
2008-08-20
EWA / Permit operator mismatch
Scheduling: MARATHON OIL COMPANY ≠ Permit: ENRON OIL & GAS COMPANY
Resolved via: scheduling → MARATHON OIL COMPANY
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
1996-05
Last Production
2009-11
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 2,763 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE CRETACEOUS (Base Cretaceous (marker)) | 893 ft | +1,870 ft |
| BASE ANHYDRITE | 2,890 ft | -127 ft |
| WOLFCAMP X MARKER (Wolfcamp) | 7,698 ft | -4,935 ft |
| STRAWN | 8,628 ft | -5,865 ft |
| BASE STRAWN (Strawn) | 8,748 ft | -5,985 ft |
| DEVONIAN | 8,850 ft | -6,087 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 |
|---|---|
| 8,631–8,743 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 821 ft | 390 sx |
| 8.625" | 2,900 ft | 800 sx |
| 4.5" | 8,938 ft | 225 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 and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 2
- Max Depth
- 9,500 ft
- Drill Type
- Vertical
- County
- REAGAN
- District
- 7
- Operator
- MARATHON OIL COMPANY
- Completed
- 1996-05-16
Operator
- Name
- MARATHON OIL CO
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-08-14)
- Cum Oil (all leases)
- 183,150,113 bbl
- Cum Gas (all leases)
- 1,013,063,895 mcf
- Activities
- CSGD/P, G/PUR
- Total Permits
- 3,707