42-339-30512
Final CompletionCONROE FIELD UNIT
MONTGOMERY County · District 3 · HIGHMARK ENERGY OPERATING LLC · CONROE
Permits
1
Max Depth
5,700 ft
First Permit
1981-07-06
Latest Activity
1981-07-06
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1990-10-05
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
Injection / Disposal
Permitted Volume
25,000 bbl/d
Max Pressure
1,000 psi
Injection Interval
2,400–4,200 ft
Injected (12mo)
273,366 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 (9) Elevation 168 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| 2ND UPPER COCKFIELD | 4,727 ft | -4,559 ft |
| UPPER COCKFIELD | 4,727 ft | -4,559 ft |
| COCKFIELD 1-A | 4,895 ft | -4,727 ft |
| COCKFIELD 1A | 4,895 ft | -4,727 ft |
| 1ST MAIN | 4,902 ft | -4,734 ft |
| 1ST MAIN CONROE | 4,902 ft | -4,734 ft |
| 2ND MAIN | 4,954 ft | -4,786 ft |
| 1ST MAIL CONROE | 7,902 ft | -7,734 ft |
| 1ST MAIN CONROE | 7,902 ft | -7,734 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 (12)
| Interval | Type |
|---|---|
| 2,694–2,704 ft | Perforated |
| 2,694–2,945 ft | Perforated |
| 2,774–2,796 ft | Perforated |
| 2,929–2,945 ft | Perforated |
| 3,074–3,132 ft | Perforated |
| 3,282–3,308 ft | Perforated |
| 4,894–4,898 ft | Perforated |
| 4,902–4,905 ft | Perforated |
| 4,903–4,912 ft | Perforated |
| 4,954–4,960 ft | Perforated |
| 4,969–4,972 ft | Perforated |
| 4,979–4,983 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 16" | 320 ft | 620 sx |
| 10.75" | 1,027 ft | 780 sx |
| 2.875" | 4,550 ft | — |
| 7" | 5,200 ft | 335 sx |
Permit History (1)
Applications (1)
Records & Logs
16 completion filings on record · 1 with log images at RRC.
+10 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
- 2718
- Max Depth
- 5,700 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- HIGHMARK ENERGY OPERATING LLC
- Completed
- 1990-10-05
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