42-321-00378
Final CompletionOHIO-SUN UNIT
MATAGORDA County · District 3 · COMSTOCK OIL & GAS INC. · MARKHAM N.-BAY CITY N (MCDONALD)
Permits
4
Max Depth
8,900 ft
First Permit
1979-05-17
Latest Activity
2018-11-02
Lifespan
39 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1982-04-25
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: COMSTOCK OIL & GAS INC. ≠ Production: ALLEGIANT RESOURCES, LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: COMSTOCK OIL & GAS INC. ≠ Permit: REMORA MANAGEMENT, LLC
Resolved via: production → ALLEGIANT RESOURCES, 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
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 (6) Elevation 74 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIOCENE (Miocene (undifferentiated)) | 2,000 ft | -1,926 ft |
| ANAHUAC | 5,400 ft | -5,326 ft |
| FRIO | 6,300 ft | -6,226 ft |
| BETTS | 8,176 ft | -8,102 ft |
| 3RD UPPER WEST | 8,597 ft | -8,523 ft |
| WEST | 8,629 ft | -8,555 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 ↗
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 (8)
| Interval | Type |
|---|---|
| 7,500–? ft | Perforated |
| 7,768–7,779 ft | Perforated |
| 8,185–8,200 ft | Perforated |
| 8,205–8,210 ft | Perforated |
| 8,314–8,323 ft | Perforated |
| 8,380–8,390 ft | Perforated |
| 8,597–8,604 ft | Perforated |
| 8,671–8,704 ft | Perforated |
Casing (7)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 2,054 ft | 1,200 sx |
| 10.75" | 2,068 ft | 1,150 sx |
| 2.375" | 7,380 ft | — |
| 2.375" | 8,003 ft | — |
| 2.875" | 8,169 ft | — |
| 7" | 8,863 ft | 1,000 sx |
| 7" | 8,876 ft | 1,000 sx |
Permit History (4)
OHIO-SUN UNIT · 8,900 ft
2018-11-02
OHIO-SUN UNIT · 8,900 ft
2003-11-21
Spud 2004-01-02
OHIO - SUN UNIT · 8,900 ft
1982-03-10
OHIO-SUN UNIT · 8,900 ft
1979-05-17
Spud 1979-06-13
Applications (4)
Records & Logs
7 completion filings on record · 1 with log images at RRC.
+1 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.
Well Details
- Well Number
- 12F
- Max Depth
- 8,900 ft
- Drill Type
- Vertical
- County
- MATAGORDA
- District
- 3
- Operator
- COMSTOCK OIL & GAS INC.
- Completed
- 1982-04-25
Operator
- Location
- FRISCO
- P-5 Status
- Inactive (filed 2004-01-12)
- Cum Oil (all leases)
- 743,768 bbl
- Cum Gas (all leases)
- 318,000,641 mcf
- Total Permits
- 319