42-003-03448
UNOLLEY WOLFCAMP UNIT
ANDREWS County · District 8 · CRESCENT ENERGY OPERATING LLC · NOLLEY (WOLFCAMP)
Permits
1
Max Depth
9,159 ft
First Permit
1983-05-10
Latest Activity
1983-05-10
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1987-07-15
Shut-In
—
Plugged
1994-04-13
EWA / Permit operator mismatch
Scheduling: CRESCENT ENERGY OPERATING LLC ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.
Resolved via: production → CRESCENT ENERGY OPERATING, 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
Injection / Disposal
ANDREWS County disposal market →Permitted Volume
—
Max Pressure
2,500 psi
Injection Interval
—
Injected (12mo)
—
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 (7) Elevation 3,146 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 3,420 ft | -274 ft |
| QUEEN | 4,624 ft | -1,478 ft |
| SAN ANDRES | 5,128 ft | -1,982 ft |
| LOWER CLEARFORK (Clear Fork) | 7,716 ft | -4,570 ft |
| WICHITA ALBANY (Wichita-Albany) | 7,826 ft | -4,680 ft |
| SPRABERRY | 8,234 ft | -5,088 ft |
| WOLFCAMP | 9,050 ft | -5,904 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 (2)
| Interval | Type |
|---|---|
| 7,920–7,940 ft | Perforated |
| 9,050–9,450 ft | Open hole |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 391 ft | — |
| 5.5" | 4,651 ft | 435 sx |
| 5.5" | 4,651 ft | — |
| 7.625" | 4,860 ft | — |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record.
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
- 9,159 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- CRESCENT ENERGY OPERATING LLC
- Completed
- 1987-07-15
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-08-28)
- Cum Oil (all leases)
- 10,867,426 bbl
- Cum Gas (all leases)
- 2,390,025 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 20