42-339-01290
Final CompletionCONROE FIELD UNIT
MONTGOMERY County · District 3 · EXXON CORP. · CONROE ( COCKFIELD UPPER)
Permits
1
Max Depth
4,986 ft
First Permit
1993-02-04
Latest Activity
1993-02-04
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1993-06-30
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: EXXON CORP. ≠ Production: HIGHMARK ENERGY OPERATING, LLC (reported 2026-04)
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
2,400–4,325 ft
Injected (12mo)
154,437 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 110 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| MOODY'S BRANCH | 4,762 ft | -4,652 ft |
| MOODY'S BRANCY | 4,762 ft | -4,652 ft |
| 1ST UPPER COCKFIELD | 4,795 ft | -4,685 ft |
| FIRST UPPER COCKFIELD | 4,795 ft | -4,685 ft |
| 2ND UPPER COCKFIELD | 4,848 ft | -4,738 ft |
| SECOND UPPER COCKFIELD | 4,848 ft | -4,738 ft |
| 1ST UPPER COCKFIELD | — | — |
| 2ND UPPER COCKFIELD | — | — |
| MOODYS BRANCH | — | — |
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 |
|---|---|
| 2,420–2,440 ft | Perforated |
| 2,460–2,500 ft | Perforated |
| 2,510–2,550 ft | Perforated |
| 3,140–3,180 ft | Perforated |
| 3,250–3,290 ft | Perforated |
| 3,350–3,370 ft | Perforated |
| 3,472–3,492 ft | Perforated |
| 3,768–3,788 ft | Perforated |
| 3,768–3,808 ft | Perforated |
| 3,788–3,808 ft | Perforated |
| 4,844–4,852 ft | Perforated |
| 4,858–4,864 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 12.75" | 700 ft | 500 sx |
| 12.75" | 700 ft | 500 sx |
| 7" | 5,000 ft | 250 sx |
| 7" | 5,000 ft | 250 sx |
Permit History (1)
Applications (2)
Records & Logs
15 completion filings on record · 3 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
- 4005
- Max Depth
- 4,986 ft
- Drill Type
- Vertical
- County
- MONTGOMERY
- District
- 3
- Operator
- EXXON CORP.
- Completed
- 1993-06-30
Operator
- Location
- HOUSTON
- P-5 Status
- S (filed 1999-03-15)
- Cum Oil (all leases)
- 215,968,885 bbl
- Cum Gas (all leases)
- 2,000,503,710 mcf
- Activities
- OPRS/O
- Total Permits
- 19,549