42-383-34875
Final CompletionUNIVERSITY 7-15
REAGAN County · District 7 · EOG RESOURCES INC. · GRIERSON SPRING (ELLENBURGER)
Permits
1
Max Depth
9,200 ft
First Permit
1997-11-05
Latest Activity
1997-11-05
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1997-11-29
Shut-In
—
Plugged
2003-06-30
EWA / Permit operator mismatch
Scheduling: EOG RESOURCES INC. ≠ Permit: ENRON OIL & GAS COMPANY
Resolved via: scheduling → EOG RESOURCES 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
1997-12
Last Production
2003-10
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (5) Elevation 2,842 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 1,822 ft | +1,020 ft |
| GRAYBURG | 2,904 ft | -62 ft |
| SPRBY | 5,490 ft | -2,648 ft |
| DEAN | 6,673 ft | -3,831 ft |
| ELLEN. | 8,562 ft | -5,720 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 |
|---|---|
| 8,552–8,755 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 11.75" | 912 ft | 450 sx |
| 8.625" | 3,056 ft | 1,300 sx |
| 5.5" | 8,567 ft | 200 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 2 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
- 1
- Max Depth
- 9,200 ft
- Drill Type
- Vertical
- County
- REAGAN
- District
- 7
- Operator
- EOG RESOURCES INC.
- Completed
- 1997-11-29
Operator
- Name
- EOG RES, INC
- Location
- MIDLAND
- P-5 Status
- Active (filed 2025-10-02)
- Cum Oil (all leases)
- 1,173,982,199 bbl
- Cum Gas (all leases)
- 7,415,222,256 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 16,315