42-339-30709
Final CompletionCONROE FIELD UNIT
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE
Permits
1
Max Depth
5,640 ft
First Permit
1985-03-20
Latest Activity
1985-03-20
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-08-01
Shut-In
—
Plugged
1996-12-06
EWA / Permit operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: EXXON CORP.
Resolved via: production → HIGHMARK ENERGY OPERATING, 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 (4) Elevation 164 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| 1A MAIN | 5,058 ft | -4,894 ft |
| 1A-MAIN | 5,058 ft | -4,894 ft |
| 2A MAIN | 5,124 ft | -4,960 ft |
| 2A-MAIN | 5,124 ft | -4,960 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 |
|---|---|
| 5,060–5,068 ft | Perforated |
| 5,071–5,076 ft | Perforated |
| 5,071–5,078 ft | Perforated |
| 5,080–5,092 ft | Perforated |
| 5,122–5,134 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 1,641 ft | 500 sx |
| 9.625" | 1,641 ft | 500 sx |
| 5.5" | 5,205 ft | 324 sx |
| 5.5" | 5,205 ft | 324 sx |
Permit History (1)
Applications (1)
Records & Logs
5 completion filings on record · 2 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
- 1818
- Max Depth
- 5,640 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1988-08-01
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-03-09)
- Cum Oil (all leases)
- 4,551,977 bbl
- Cum Gas (all leases)
- 30,465,409 mcf
- Activities
- CSGD/G, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 15