42-237-39213
Final CompletionM4 RANCH
JACK County · District 9 · BAY ROCK OPERATING COMPANY · JACK COUNTY REGULAR
Permits
1
Max Depth
5,850 ft
First Permit
2008-04-28
Latest Activity
2008-04-28
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2009-08-12
Shut-In
—
Plugged
2025-04-09
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
2008-11
Last Production
2025-10
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (4) Elevation 981 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| STRAWN | 3,658 ft | -2,677 ft |
| CADDO | 4,610 ft | -3,629 ft |
| MARBLE FALLS | 4,992 ft | -4,011 ft |
| ELLENBURGER | 5,569 ft | -4,588 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 |
|---|---|
| 4,830–4,835 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 468 ft | 300 sx |
| 5.5" | 5,561 ft | 225 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings 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.
No GPS coordinates yet
Well Details
- Well Number
- 1
- Max Depth
- 5,850 ft
- Drill Type
- Vertical
- County
- JACK
- District
- 9
- Operator
- BAY ROCK OPERATING COMPANY
- Completed
- 2009-08-12
Operator
- Name
- BAY ROCK OPER CO
- Location
- SAN ANTONIO
- P-5 Status
- Active (filed 2026-04-16)
- Cum Oil (all leases)
- 1,314,432 bbl
- Cum Gas (all leases)
- 8,701,832 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 143