Permits
7
Max Depth
8,100 ft
First Permit
1977-06-16
Latest Activity
2016-12-13
Lifespan
39 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
—
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
1993-01
Last Production
2026-07
Injection / Disposal
Permitted Volume
5,000 bbl/d
Max Pressure
1,835 psi
Injection Interval
3,670–4,650 ft
Injected (12mo)
146,150 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-11-01)
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 (4) Elevation 20 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CATAHOULA-ANAHUAC - INJECTION/DI (Catahoula) | 3,220 ft | -3,200 ft |
| CATAHOULA-FRIO - INJECTION/DISPO (Catahoula) | 3,670 ft | -3,650 ft |
| MIOCENE-LAGARTO-OAKVILLE - INJEC (Miocene (undifferentiated)) | — | — |
| VICKSBURG | — | — |
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 (10)
| Interval | Type |
|---|---|
| 3,268–3,272 ft | Perforated |
| 4,368–4,378 ft | Perforated |
| 4,564–4,570 ft | Perforated |
| 4,928–4,938 ft | Perforated |
| 6,168–6,174 ft | Perforated |
| 6,266–6,270 ft | Perforated |
| 6,335–6,345 ft | Perforated |
| 6,438–6,446 ft | Perforated |
| 6,600–? ft | Perforated |
| ?–6,591 ft | Perforated |
Casing (10)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 2,213 ft | 1,550 sx |
| 10.75" | 2,218 ft | 1,550 sx |
| 10.75" | 2,218 ft | 1,550 sx |
| 10.75" | 2,227 ft | 1,550 sx |
| 10.75" | 2,227 ft | 1,550 sx |
| 2.375" | 3,224 ft | — |
| 2.375" | 4,330 ft | — |
| 7" | 7,223 ft | 1,120 sx |
| 7" | 7,223 ft | 1,720 sx |
| 7" | 7,245 ft | 75 sx |
Permit History (7)
WELDER RANCH · 7,900 ft
2016-12-13
Spud 2017-11-15
WELDER RANCH · 7,900 ft
2001-12-04
Spud 2001-08-06
WELDER RANCH · 7,900 ft
1981-10-13
WELDER RANCH · 7,900 ft
1978-11-16
WELDER RANCH · 6,430 ft
1978-07-10
WELDER RANCH · 6,430 ft
1978-03-28
WELDER RANCH · 8,100 ft
1977-06-16
Applications (7)
Records & Logs
8 completion filings on record · 2 with log images at RRC.
+2 more filings
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
- 14
- Max Depth
- 8,100 ft
- Drill Type
- Vertical
- County
- SAN PATRICIO
- District
- 4
- Operator
- MERTZ ENERGY LLC
Operator
- Name
- MERTZ ENGY LLC
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 2020-06-03)
- Cum Oil (all leases)
- 28,972 bbl
- Cum Gas (all leases)
- 250,958 mcf
- Total Permits
- 6