42-339-00634
Final CompletionCONROE FIELD UNIT
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE
Permits
1
Max Depth
3,887 ft
First Permit
2002-12-27
Latest Activity
2002-12-27
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1996-10-02
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: EXXON MOBIL CORPORATION
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 (3) Elevation 150 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| PLIOCENE | 457 ft | -307 ft |
| MIOCENE (Miocene (undifferentiated)) | 1,988 ft | -1,838 ft |
| FRIO | 2,911 ft | -2,761 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 (10)
| Interval | Type |
|---|---|
| 2,912–2,915 ft | Perforated |
| 4,654–4,662 ft | Perforated |
| 4,814–4,824 ft | Perforated |
| 4,950–4,956 ft | Perforated |
| 4,968–4,974 ft | Perforated |
| 5,042–5,047 ft | Perforated |
| 5,051–5,057 ft | Perforated |
| 5,061–5,067 ft | Perforated |
| 5,076–5,080 ft | Perforated |
| ?–5,200 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 987 ft | 150 sx |
| 10.75" | 987 ft | — |
| 7" | 5,014 ft | 340 sx |
| 7" | 5,014 ft | — |
Permit History (1)
Applications (1)
Records & Logs
11 completion filings on record.
+5 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
- 4
- Max Depth
- 3,887 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1996-10-02
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