Permits
5
Max Depth
6,055 ft
First Permit
1977-09-02
Latest Activity
1994-09-28
Lifespan
17 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
1996-05-07
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
2003-08
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (1) Elevation 557 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| OLMOS SAND (Olmos) | 4,441 ft | -3,884 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 (7)
| Interval | Type |
|---|---|
| 4,441–4,445 ft | Perforated |
| 5,414–5,418 ft | Perforated |
| 5,420–5,427 ft | Perforated |
| 5,434–5,446 ft | Perforated |
| 5,450–5,456 ft | Perforated |
| 5,478–5,486 ft | Perforated |
| 5,889–5,982 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 222 ft | 175 sx |
| 8.625" | 222 ft | — |
| 1.5" | 686 ft | — |
| 2.375" | 5,251 ft | — |
| 5.5" | 5,370 ft | 1,100 sx |
| 5.5" | 5,370 ft | — |
Permit History (5)
CALVERT, J.H. · 5,200 ft
1994-09-28
Spud 1994-10-03
CALVERT, J. H. "F" · 6,055 ft
1990-12-10
Spud 1990-11-30
CALVERT, J.H. "C" · 6,050 ft
1981-06-26
CALVERT, J. H. "C" · 6,050 ft
1979-10-19
CALVERT, J. H. · 6,050 ft
1977-09-02
Applications (5)
Records & Logs
5 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
- 8C
- Max Depth
- 6,055 ft
- Drill Type
- Vertical
- County
- FRIO
- District
- 1
- Operator
- COLT OPERATING CORPORATION
Operator
- Name
- COLT OPER CORP
- Location
- SAN ANTONIO
- P-5 Status
- Inactive (filed 1995-01-12)
- Cum Oil (all leases)
- 4,611 bbl
- Cum Gas (all leases)
- 993 mcf
- Total Permits
- 4