42-283-36383
PRODUCING HorizontalBRISCOE COCHINA EAST RANCH
LA SALLE County · District 1 · JAVELIN ENERGY PARTNERS MGMT LLC · BRISCOE RANCH (EAGLEFORD)
Permits
2
Max Depth
9,200 ft
First Permit
2018-06-20
Latest Activity
2018-12-31
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2019-10-14
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: JAVELIN ENERGY PARTNERS MGMT LLC ≠ Permit: SN EF MAVERICK, 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
2010-05
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 427 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| ESCONDIDO | 4,374 ft | -3,947 ft |
| OLMOS - DISPOSAL (Olmos) | 5,675 ft | -5,248 ft |
| AUSTIN CHALK | 7,590 ft | -7,163 ft |
| EAGLE FORD - H2S (Eagle Ford) | 7,999 ft | -7,572 ft |
| BUDA - H2S (Buda) | — | — |
| EDWARDS - H2S (Edwards) | — | — |
| QUEEN CITY | — | — |
| SPARTA | — | — |
| WILCOX - DISPOSAL (Wilcox) | — | — |
| YEGUA | — | — |
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 |
|---|---|
| 8,492–13,414 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 2,725 ft | 585 sx |
| 5.5" | 13,509 ft | 2,075 sx |
Permit History (2)
Applications (2)
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 can't be deep-linked — clicking copies the API for you to paste.
Well Details
- Well Number
- 54HZ
- Max Depth
- 9,200 ft
- Drill Type
- Horizontal
- County
- LA SALLE
- District
- 1
- Operator
- JAVELIN ENERGY PARTNERS MGMT LLC
- Completed
- 2019-10-14
Operator
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-02-24)
- Cum Oil (all leases)
- 44,995,326 bbl
- Cum Gas (all leases)
- 357,450,617 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 217