42-127-36250
Final Completion HorizontalBRISCOE COCHINA WEST RANCH
DIMMIT County · District 1 · SN EF MAVERICK LLC · BRISCOE RANCH (EAGLEFORD)
Permits
1
Max Depth
8,900 ft
First Permit
2014-04-16
Latest Activity
2014-04-16
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2014-12-09
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: SN EF MAVERICK LLC ≠ Production: JAVELIN ENERGY PARTNERS MGMT LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: SN EF MAVERICK LLC ≠ Permit: ANADARKO E&P ONSHORE LLC
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
2010-06
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 451 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIDWAY | 3,285 ft | -2,834 ft |
| ESCONDIDO - DISPOSAL (Escondido) | 3,709 ft | -3,258 ft |
| OLMOS - DISPOSAL (Olmos) | 5,003 ft | -4,552 ft |
| SAN MIGUEL - H2S (San Miguel) | 5,636 ft | -5,185 ft |
| AUSTIN CHALK - H2S (Austin Chalk) | 7,067 ft | -6,616 ft |
| EAGLE FORD - H2S (Eagle Ford) | 7,492 ft | -7,041 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 ↗
Perforations (1)
| Interval | Type |
|---|---|
| 8,158–15,321 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,018 ft | 573 sx |
| 5.5" | 15,433 ft | 2,850 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 2 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
- 78H
- Max Depth
- 8,900 ft
- Drill Type
- Horizontal
- County
- DIMMIT
- District
- 1
- Operator
- SN EF MAVERICK LLC
- Completed
- 2014-12-09
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