42-339-30773
Final CompletionCONROE FIELD UNIT
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE
Permits
1
Max Depth
5,160 ft
First Permit
1987-06-02
Latest Activity
1987-06-02
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1996-11-19
Shut-In
—
Plugged
—
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 (6) Elevation 149 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| 1M | 4,844 ft | -4,695 ft |
| 2A | 4,889 ft | -4,740 ft |
| 2B | 4,915 ft | -4,766 ft |
| 2B4 | 4,955 ft | -4,806 ft |
| 3M | 5,000 ft | -4,851 ft |
| 4M | 5,056 ft | -4,907 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 |
|---|---|
| 4,904–4,916 ft | Perforated |
| 4,924–4,932 ft | Perforated |
| 4,961–4,965 ft | Perforated |
| 4,992–4,998 ft | Perforated |
| 5,000–5,006 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 77 ft | — |
| 13.75" | 300 ft | 665 sx |
| 13.375" | 300 ft | 665 sx |
| 9.625" | 1,620 ft | 431 sx |
| 5.5" | 5,158 ft | 370 sx |
Permit History (1)
Applications (1)
Records & Logs
6 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
- 3816
- Max Depth
- 5,160 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1996-11-19
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