42-339-30410
Long String CasingCONROE FIELD UNIT
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE
Permits
1
Max Depth
5,700 ft
First Permit
1978-08-21
Latest Activity
1978-08-21
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1997-02-05
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 (7) Elevation 164 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| VICKSBURG | 3,488 ft | -3,324 ft |
| JACKSON | 3,735 ft | -3,571 ft |
| WHELSETT SD | 3,880 ft | -3,716 ft |
| WHILSETT SAND | 3,880 ft | -3,716 ft |
| FIRST UPPER COCKFIELD | 4,708 ft | -4,544 ft |
| SECOND UPPER COCKFIELD | 4,749 ft | -4,585 ft |
| FIRST MAIN CONROE | 4,893 ft | -4,729 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 (9)
| Interval | Type |
|---|---|
| 4,704–4,716 ft | Perforated |
| 4,744–4,754 ft | Perforated |
| 4,954–4,962 ft | Perforated |
| 4,956–4,976 ft | Perforated |
| 4,960–4,965 ft | Perforated |
| 4,965–4,969 ft | Perforated |
| 5,001–5,008 ft | Perforated |
| 5,026–5,035 ft | Perforated |
| 5,039–5,045 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 308 ft | 375 sx |
| 10.75" | 1,005 ft | 800 sx |
| 2.875" | 4,185 ft | — |
| 7" | 4,700 ft | 1,075 sx |
Permit History (1)
Applications (1)
Records & Logs
10 completion filings on record.
+4 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
- 110
- Max Depth
- 5,700 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1997-02-05
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