42-135-40009
Final CompletionANDY
ECTOR County · District 8 · FDL OPERATING LLC · SALLIE ANN (SPRABERRY-WOLFCAMP)
Permits
2
Max Depth
11,000 ft
First Permit
2009-11-09
Latest Activity
2018-09-12
Lifespan
9 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2010-07-08
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: FDL OPERATING LLC ≠ Production: DIAMONDBACK E&P LLC (reported 2026-04)
Resolved via: production → DIAMONDBACK E&P 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
2008-01
Last Production
2026-07
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 (4) Elevation 2,868 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,830 ft | -1,962 ft |
| LOWER SPRABERRY (Spraberry) | 7,441 ft | -4,573 ft |
| UPPER WOLFCAMP (Wolfcamp) | 9,117 ft | -6,249 ft |
| STRAWN | 10,160 ft | -7,292 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 ↗
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 |
|---|---|
| 9,145–10,024 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 321 ft | 140 sx |
| 8.625" | 4,600 ft | 1,220 sx |
| 5.5" | 10,276 ft | 903 sx |
Permit History (2)
Applications (2)
Records & Logs
3 completion filings on record · 3 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
- 31
- Max Depth
- 11,000 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- FDL OPERATING LLC
- Completed
- 2010-07-08
Operator
- Name
- FDL OPER, LLC
- Location
- JUDSON
- P-5 Status
- Inactive (filed 2022-10-06)
- Cum Oil (all leases)
- 24,615,023 bbl
- Cum Gas (all leases)
- 271,359,008 mcf
- Total Permits
- 182