42-255-31505
Final CompletionWERNLI GU 1
KARNES County · District 2 · PIONEER NATURAL RES. USA INC. · KENEDY S.W. (WILCOX 8100)
Permits
4
Max Depth
13,600 ft
First Permit
2004-11-12
Latest Activity
2011-12-15
Lifespan
7 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2011-12-01
Shut-In
—
Plugged
2016-04-27
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
2005-04
Last Production
2016-07
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (6) Elevation 450 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YEGUA | 4,552 ft | -4,102 ft |
| WILCOX | 5,589 ft | -5,139 ft |
| MIDWAY | 8,962 ft | -8,512 ft |
| AUSTIN CHALK | 12,614 ft | -12,164 ft |
| EDWARDS | 12,959 ft | -12,509 ft |
| EDWARDS | 13,018 ft | -12,568 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 (7)
| Interval | Type |
|---|---|
| 8,120–8,130 ft | Perforated |
| 12,892–12,896 ft | Perforated |
| 12,908–12,912 ft | Perforated |
| 12,923–12,934 ft | Perforated |
| 12,958–12,962 ft | Perforated |
| 13,121–13,147 ft | Perforated |
| 13,176–13,222 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,808 ft | 1,380 sx |
| 5.5" | 13,578 ft | 700 sx |
| 5.5" | 13,600 ft | 700 sx |
Permit History (4)
WERNLI GAS UNIT 1 · 13,080 ft
2011-12-15
Spud 2011-11-23
WERNLI GAS UNIT NO. 1 · 13,080 ft
2006-07-26
Spud 2006-08-24
WERNLI GU NO 1 · 13,600 ft
2004-11-12
Spud 2005-01-03
WERNLI GU NO 1 · 13,300 ft
2004-11-12
Applications (4)
Records & Logs
5 completion filings on record · 3 with log images at RRC.
Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 4
- Max Depth
- 13,600 ft
- Drill Type
- Vertical
- County
- KARNES
- District
- 2
- Operator
- PIONEER NATURAL RES. USA INC.
- Completed
- 2011-12-01
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
- 15,401