42-339-00643
Final CompletionDOBBINS C L
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE (CONS. U)
Permits
1
Max Depth
4,845 ft
First Permit
2002-12-19
Latest Activity
2002-12-19
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2007-01-09
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: HIGHMARK ENERGY OPERATING LLC ≠ Permit: EXXON MOBIL CORPORATION
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
15,000 mcf/d
Max Pressure
—
Injection Interval
4,800–5,000 ft
Injected (12mo)
—
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 151 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FRIO 2 (Frio) | 2,598 ft | -2,447 ft |
| FRIO 4 (Frio) | 2,780 ft | -2,629 ft |
| FRIO 5 (Frio) | 2,900 ft | -2,749 ft |
| MOODY'S BRANCH | 4,568 ft | -4,417 ft |
| UPPER COCKFIELD | 4,615 ft | -4,464 ft |
| MAIN CONROE | 4,780 ft | -4,629 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 |
|---|---|
| 2,600–2,610 ft | Perforated |
| 2,798–2,812 ft | Perforated |
| 4,806–4,824 ft | Perforated |
| 4,846–4,852 ft | Perforated |
| 4,862–4,866 ft | Perforated |
| 4,868–4,878 ft | Perforated |
| 4,868–4,900 ft | Perforated |
| 4,870–4,900 ft | Perforated |
| ?–5,200 ft | Perforated |
Casing (7)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 251 ft | 280 sx |
| 10.75" | 1,340 ft | 450 sx |
| 10.75" | 1,340 ft | 450 sx |
| 2.875" | 4,786 ft | — |
| 7" | 5,051 ft | 200 sx |
| 7" | 5,051 ft | 200 sx |
| 7" | — | 200 sx |
Permit History (1)
Applications (1)
Records & Logs
15 completion filings on record · 2 with log images at RRC.
+9 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
- 13
- Max Depth
- 4,845 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 2007-01-09
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