42-135-40444
PRODUCINGJANET
ECTOR County · District 8 · OCOTILLO ENERGY RESOURCES LLC · SALLIE ANN (SPRABERRY-WOLFCAMP)
Permits
1
Max Depth
10,800 ft
First Permit
2010-07-13
Latest Activity
2010-07-13
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2011-01-04
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: OCOTILLO ENERGY RESOURCES LLC ≠ Permit: COG OPERATING LLC
Resolved via: production → OCOTILLO ENERGY RESOURCES, 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
2010-10
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 (3) Elevation 2,911 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| T CLEARFORK | 7,200 ft | -4,289 ft |
| T SPRABERRY | 7,975 ft | -5,064 ft |
| T WOLFCAMP | 9,220 ft | -6,309 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 (1)
| Interval | Type |
|---|---|
| 7,720–10,240 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,560 ft | 1,500 sx |
| 8.625" | 4,825 ft | 900 sx |
| 5.5" | 10,382 ft | 650 sx |
Permit History (1)
Applications (1)
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
- 4711
- Max Depth
- 10,800 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- OCOTILLO ENERGY RESOURCES LLC
- Completed
- 2011-01-04
Operator
- Location
- ODESSA
- P-5 Status
- X (filed 2026-05-18)
- Cum Oil (all leases)
- 4,774 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O