Permits
1
Max Depth
4,520 ft
First Permit
1978-08-11
Latest Activity
1978-08-11
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1989-12-22
Shut-In
—
Plugged
2004-08-25
EWA / Permit operator mismatch
Scheduling: ZK PETROLEUM CO. L.L.C. ≠ Permit: COASTAL MINERALS, INC.
Resolved via: scheduling → ZK PETROLEUM CO. L.L.C.
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
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 (1) Elevation 13 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO | 4,420 ft | -4,407 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 (2)
| Interval | Type |
|---|---|
| 4,420–4,425 ft | Perforated |
| 4,506–4,512 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 888 ft | 100 sx |
| 10.75" | 888 ft | 100 sx |
| 7" | 4,331 ft | 195 sx |
| 2.375" | 4,402 ft | — |
| 7" | 4,703 ft | 195 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record.
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
- C-7
- Max Depth
- 4,520 ft
- Drill Type
- Vertical
- County
- FORT BEND
- District
- 3
- Operator
- ZK PETROLEUM CO. L.L.C.
- Completed
- 1989-12-22
Operator
- Name
- ZX PETRO CO., L.L.C
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-05-05)
- Cum Oil (all leases)
- 824,750 bbl
- Cum Gas (all leases)
- — mcf
- Activities
- OPRS/O
- Total Permits
- 57