42-339-30418
Final CompletionCONROE FIELD UNIT
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE
Permits
1
Max Depth
5,700 ft
First Permit
1978-12-11
Latest Activity
1978-12-11
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-08-15
Shut-In
—
Plugged
1996-09-26
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 (3) Elevation 168 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| VICKSBURG | 3,447 ft | -3,279 ft |
| WHITSIT | 3,745 ft | -3,577 ft |
| MCELROY | 3,947 ft | -3,779 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 (4)
| Interval | Type |
|---|---|
| 4,957–4,961 ft | Perforated |
| 4,965–4,970 ft | Perforated |
| 4,996–5,004 ft | Perforated |
| 5,016–5,023 ft | Perforated |
Casing (7)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 322 ft | 900 sx |
| 10.75" | 1,024 ft | 800 sx |
| 7" | 3,932 ft | 995 sx |
| 2.875" | 4,603 ft | — |
| 7" | 4,606 ft | 955 sx |
| 7" | 5,199 ft | 995 sx |
| 7" | 5,199 ft | — |
Permit History (1)
Applications (1)
Records & Logs
4 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
- 217
- Max Depth
- 5,700 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1988-08-15
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