42-339-30439
Final CompletionCONROE FIELD UNIT
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE
Permits
1
Max Depth
5,700 ft
First Permit
1979-05-01
Latest Activity
1979-05-01
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1995-09-22
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
Injection / Disposal
Permitted Volume
25,000 bbl/d
Max Pressure
1,000 psi
Injection Interval
2,470–4,200 ft
Injected (12mo)
3,635,467 bbl
Monthly injected volume (bbl, from H-10 filings through 2026-03-01)
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 152 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| VICKSBURG | 3,374 ft | -3,222 ft |
| JACKSON | 3,670 ft | -3,518 ft |
| MOODY'S BRANCH | 4,640 ft | -4,488 ft |
| MOODYS BRANCH | 4,640 ft | -4,488 ft |
| MOODY'S BRANCH | 4,644 ft | -4,492 ft |
| MOODYS BRANCH | 4,644 ft | -4,492 ft |
| 2B SAND | 4,953 ft | -4,801 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 (8)
| Interval | Type |
|---|---|
| 3,550–3,606 ft | Perforated |
| 3,550–3,660 ft | Perforated |
| 3,640–3,660 ft | Perforated |
| 4,952–4,956 ft | Perforated |
| 4,960–4,966 ft | Perforated |
| 4,969–4,973 ft | Perforated |
| 4,977–4,982 ft | Perforated |
| 5,076–5,084 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 331 ft | 700 sx |
| 10.75" | 1,024 ft | 750 sx |
| 10.75" | 1,025 ft | 700 sx |
| 10.75" | 4,024 ft | 750 sx |
| 2.875" | 4,649 ft | — |
| 7" | 5,199 ft | 1,020 sx |
Permit History (1)
Applications (1)
Records & Logs
14 completion filings on record.
+8 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
- 1117
- Max Depth
- 5,700 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1995-09-22
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