42-331-31149
Final CompletionCALIGULA-COFFIELD
MILAM County · District 1 · O BRIEN OPERATING COMPANY · O BRIEN (1950)
Permits
5
Max Depth
5,000 ft
First Permit
1981-08-10
Latest Activity
1992-07-15
Lifespan
11 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1984-04-27
Shut-In
—
Plugged
2007-03-22
EWA / Production operator mismatch
Scheduling: O BRIEN OPERATING COMPANY ≠ Production: CENTRAL PLAINS OIL&GAS CORP. (A) (reported 2003-02)
EWA / Permit operator mismatch
Scheduling: O BRIEN OPERATING COMPANY ≠ Permit: HEARTLAND RESOURCES, INC.
Resolved via: scheduling → O BRIEN OPERATING COMPANY
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
2007-03
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 (2) Elevation 486 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MIDWAY | 2,200 ft | -1,714 ft |
| NAVARRO | 2,400 ft | -1,914 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 (5)
| Interval | Type |
|---|---|
| 1,946–1,956 ft | Perforated |
| 2,262–2,265 ft | Perforated |
| 2,262–2,314 ft | Perforated |
| 2,310–2,314 ft | Perforated |
| 2,962–2,970 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 530 ft | 450 sx |
| 2.375" | 2,290 ft | — |
| 4.5" | 3,040 ft | 350 sx |
Permit History (5)
CALIGULA-COFFIELD · 3,048 ft
1992-07-15
Spud 1992-05-27
COFFIELD, CALIGULA · 3,040 ft
1987-11-24
CALIGULA-COFFIELD · 3,048 ft
1985-06-19
CALIGULA-COFFIELD · 3,048 ft
1984-12-31
CALIGULA-COFFIELD · 5,000 ft
1981-08-10
Applications (5)
Records & Logs
9 completion filings on record · 2 with log images at RRC.
+3 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
- 1
- Max Depth
- 5,000 ft
- Drill Type
- Vertical
- County
- MILAM
- District
- 1
- Operator
- O BRIEN OPERATING COMPANY
- Completed
- 1984-04-27
Operator
- Name
- O'BRIEN OPER CO
- Location
- SHREVEPORT
- P-5 Status
- Inactive (filed 1997-10-09)
- Cum Oil (all leases)
- — bbl
- Cum Gas (all leases)
- — mcf
- Total Permits
- 11