42-245-31831
Final CompletionANDERSON ESTATE
JEFFERSON County · District 3 · CHAIN OIL & GAS INC. · BIG HILL (MARGINULINA)
Permits
1
Max Depth
8,400 ft
First Permit
1985-01-08
Latest Activity
1985-01-08
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-05-08
Shut-In
—
Plugged
2013-06-25
EWA / Production operator mismatch
Scheduling: CHAIN OIL & GAS INC. ≠ Production: SHIDLER, MARK L., INC. (reported 1994-12)
EWA / Permit operator mismatch
Scheduling: CHAIN OIL & GAS INC. ≠ Permit: TXO PRODUCTION CORP.
Resolved via: scheduling → CHAIN OIL & GAS INC.
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 (3) Elevation 9 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BASE MIOCENE (Miocene (undifferentiated)) | 6,872 ft | -6,863 ft |
| HET LIME | 7,125 ft | -7,116 ft |
| MARGINULINA V. | 7,620 ft | -7,611 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 (1)
| Interval | Type |
|---|---|
| 7,633–7,677 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,040 ft | 390 sx |
| 4.5" | 7,717 ft | 675 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
- 1
- Max Depth
- 8,400 ft
- Drill Type
- Vertical
- County
- JEFFERSON
- District
- 3
- Operator
- CHAIN OIL & GAS INC.
- Completed
- 1985-05-08
Operator
- Name
- CHAIN OIL & GAS, INC
- Location
- HOUSTON
- P-5 Status
- Delinquent (filed 1999-01-08)
- Cum Oil (all leases)
- 144,794 bbl
- Cum Gas (all leases)
- 68,921 mcf
- Activities
- OPRS/G
- Total Permits
- 14