42-339-30450
Final CompletionCONROE FIELD UNIT
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE
Permits
1
Max Depth
5,770 ft
First Permit
1979-08-16
Latest Activity
1979-08-16
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-05-25
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 159 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| JACKSON | 3,838 ft | -3,679 ft |
| WHITSETT | 3,982 ft | -3,823 ft |
| 2ND UPPER COCKFIELD | 4,701 ft | -4,542 ft |
| MAIN CONROE 1M | 4,847 ft | -4,688 ft |
| II-B SAND | 4,926 ft | -4,767 ft |
| MAIN CONROE 3M | 5,023 ft | -4,864 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 (6)
| Interval | Type |
|---|---|
| 4,702–4,718 ft | Perforated |
| 4,846–4,858 ft | Perforated |
| 4,858–4,868 ft | Perforated |
| 4,881–4,887 ft | Perforated |
| 4,926–4,931 ft | Perforated |
| 5,044–5,054 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 305 ft | 930 sx |
| 10.75" | 1,016 ft | 750 sx |
| 2.875" | 4,516 ft | — |
| 9.875" | 5,193 ft | 900 sx |
| 7" | 5,193 ft | 1,230 sx |
| 7" | 5,193 ft | 1,230 sx |
Permit History (1)
Applications (1)
Records & Logs
7 completion filings on record.
+1 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
- 1931
- Max Depth
- 5,770 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1988-05-25
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