42-339-30406
PRODUCINGCONROE FIELD UNIT
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE
Permits
1
Max Depth
5,850 ft
First Permit
1978-06-12
Latest Activity
1978-06-12
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2020-11-17
Shut-In
—
Plugged
—
P-5 Org Status: Active
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 168 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO | 2,729 ft | -2,561 ft |
| VICKSBURG | 3,482 ft | -3,314 ft |
| JACKSON | 3,735 ft | -3,567 ft |
| COCKFIELD | 4,622 ft | -4,454 ft |
| MC 2 | 4,934 ft | -4,766 ft |
| MC2 | 4,934 ft | -4,766 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 |
|---|---|
| 3,260–3,290 ft | Perforated |
| 4,934–4,944 ft | Perforated |
| 4,940–4,944 ft | Perforated |
| 4,981–4,995 ft | Perforated |
Casing (10)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 313 ft | 375 sx |
| 10" | 313 ft | 375 sx |
| 10.75" | 1,018 ft | 800 sx |
| 10.75" | 1,019 ft | 800 sx |
| 10.75" | 1,646 ft | 1,120 sx |
| 7" | 2,199 ft | 830 sx |
| 2.875" | 4,619 ft | — |
| 7" | 5,199 ft | 850 sx |
| 7" | 5,208 ft | 830 sx |
| 7" | — | 275 sx |
Permit History (1)
Applications (1)
Records & Logs
7 completion filings on record · 1 with log images at RRC.
+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
- 109
- Max Depth
- 5,850 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 2020-11-17
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