42-135-40877
PRODUCINGVAUGHAN-LENN 42
ECTOR County · District 8 · PIONEER NATURAL RES. USA INC. · SALLIE ANN (SPRABERRY-WOLFCAMP)
Permits
2
Max Depth
10,700 ft
First Permit
2011-03-25
Latest Activity
2011-03-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2011-06-14
Shut-In
—
Plugged
—
P-5 Org Status: Active
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
2011-06
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 (4) Elevation 2,952 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER SPRABERRY (Spraberry) | 7,801 ft | -4,849 ft |
| LOWER SPRABERRY (Spraberry) | 8,482 ft | -5,530 ft |
| DEAN | 8,955 ft | -6,003 ft |
| WOLFCAMP | 9,089 ft | -6,137 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 |
|---|---|
| 7,914–8,488 ft | Perforated |
| 9,114–9,124 ft | Perforated |
| 9,310–9,984 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 528 ft | 300 sx |
| 5.5" | 10,304 ft | 905 sx |
Permit History (2)
Applications (2)
Records & Logs
1 completion filing 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
- 1
- Max Depth
- 10,700 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2011-06-14
Operator
- Location
- Y SPRING
- P-5 Status
- Active (filed 2025-08-01)
- Cum Oil (all leases)
- 1,771,882,421 bbl
- Cum Gas (all leases)
- 1,763,727,021 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 15,400