42-127-37641
Final Completion HorizontalSTUMBERG RANCH UNIT E
DIMMIT County · District 1 · SN EF MAVERICK LLC · BRISCOE RANCH (EAGLEFORD)
Permits
1
Max Depth
8,600 ft
First Permit
2017-10-24
Latest Activity
2017-10-24
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2022-12-02
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: SN EF MAVERICK LLC ≠ Production: JAVELIN ENERGY PARTNERS MGMT LLC (reported 2026-04)
Resolved via: production → JAVELIN ENERGY PARTNERS MGMT 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
2018-03
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 (10) Elevation 590 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ESCONDIDO - DISPOSAL (Escondido) | 3,151 ft | -2,561 ft |
| OLMOS - DISPOSAL (Olmos) | 4,558 ft | -3,968 ft |
| SAN MIGUEL - H2S (San Miguel) | 5,733 ft | -5,143 ft |
| ANACACHO | 6,414 ft | -5,824 ft |
| AUSTIN CHALK - H2S (Austin Chalk) | 6,808 ft | -6,218 ft |
| EAGLE FORD - H2S (Eagle Ford) | 7,369 ft | -6,779 ft |
| EDWARDS - H2S (Edwards) | — | — |
| GEORGETOWN - H2S (Georgetown) | — | — |
| GLEN ROSE - DISPOSAL (Glen Rose) | — | — |
| PEARSALL | — | — |
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 |
|---|---|
| 8,596–18,102 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,653 ft | 575 sx |
| 5.5" | 18,202 ft | 4,010 sx |
Permit History (1)
Applications (1)
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.
Well Details
- Well Number
- 01HC
- Max Depth
- 8,600 ft
- Drill Type
- Horizontal
- County
- DIMMIT
- District
- 1
- Operator
- SN EF MAVERICK LLC
- Completed
- 2022-12-02
Operator
- Name
- SN EF MAVERICK, LLC
- Location
- R HOUSTON
- P-5 Status
- Inactive (filed 2022-12-07)
- Cum Oil (all leases)
- 32,468,816 bbl
- Cum Gas (all leases)
- 679,270,347 mcf
- Total Permits
- 460