42-339-30448
PRODUCINGCONROE FIELD UNIT
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE
Permits
1
Max Depth
950 ft
First Permit
1979-07-24
Latest Activity
1979-07-24
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2019-02-05
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 (9) Elevation 164 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| JACKSON | 3,742 ft | -3,578 ft |
| MCELROY | 3,914 ft | -3,750 ft |
| MOODY'S BRANCH | 4,674 ft | -4,510 ft |
| 1ST UPPER COCKFIELD | 4,721 ft | -4,557 ft |
| 2ND UPPER COCKFIELD | 4,752 ft | -4,588 ft |
| II-B | 4,963 ft | -4,799 ft |
| 2B | — | — |
| JACKSON | — | — |
| MCELROY | — | — |
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 |
|---|---|
| 4,964–4,970 ft | Perforated |
| 4,966–4,971 ft | Perforated |
| 5,000–5,016 ft | Perforated |
| 5,036–5,040 ft | Perforated |
| 5,072–5,084 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 321 ft | 600 sx |
| 10.75" | 1,020 ft | 810 sx |
| 2.875" | 4,504 ft | — |
| 2.875" | 4,751 ft | — |
| 7" | 5,193 ft | 1,235 sx |
Permit History (1)
Applications (1)
Records & Logs
6 completion filings on record.
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
- 3810
- Max Depth
- 950 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 2019-02-05
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