42-461-40610
Final Completion HorizontalHOLZGRAF (SA) D
UPTON County · District 7 · DISCOVERY OPERATING INC. · SPRABERRY (TREND AREA)
Permits
3
Max Depth
10,500 ft
First Permit
2017-06-02
Latest Activity
2021-01-13
Lifespan
4 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2017-12-24
Shut-In
—
Plugged
—
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
2017-12
Last Production
2026-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (9) Elevation 2,884 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 2,837 ft | +47 ft |
| GRAYBURG | 4,511 ft | -1,627 ft |
| SAN ANDRES - SALTWATER FLOW (San Andres) | 4,895 ft | -2,011 ft |
| SPRABERRY | 7,095 ft | -4,211 ft |
| WOLFCAMP | 9,207 ft | -6,323 ft |
| DEVONIAN | — | — |
| ELLENBURGER | — | — |
| FUSSELMAN | — | — |
| STRAWN | — | — |
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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 9,941–17,613 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 461 ft | 470 sx |
| 9.625" | 8,933 ft | 1,165 sx |
| 5.5" | 17,688 ft | 1,940 sx |
Permit History (3)
Applications (3)
Records & Logs
3 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.
Well Details
- Well Number
- 3971WB
- Max Depth
- 10,500 ft
- Drill Type
- Horizontal
- County
- UPTON
- District
- 7
- Operator
- DISCOVERY OPERATING INC.
- Completed
- 2017-12-24
Operator
- Name
- DISCOVERY OPER, INC
- Location
- MIDLAND
- P-5 Status
- Active (filed 2026-03-31)
- Cum Oil (all leases)
- 41,497,911 bbl
- Cum Gas (all leases)
- 33,774,384 mcf
- Activities
- GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 712