42-219-34830
Final CompletionCOBB TOM A
HOCKLEY County · District 8 · HILCORP ENERGY COMPANY · YELLOWHOUSE
Permits
1
Max Depth
4,800 ft
First Permit
1985-08-23
Latest Activity
1985-08-23
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1985-09-14
Shut-In
—
Plugged
2024-10-22
EWA / Production operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Production: APACHE CORPORATION (reported 2022-07)
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: HANOVER ENERGY INC.
Resolved via: scheduling → HILCORP ENERGY COMPANY
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 (6) Elevation 12 ft
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RED BED | 320 ft | -308 ft |
| RUSTLER ANHYDRITE (Rustler) | 1,928 ft | -1,916 ft |
| YATES SAND (Yates) | 2,432 ft | -2,420 ft |
| SAN ANDRES ZONE VIII (San Andres) | 4,533 ft | -4,521 ft |
| SAN ANDRES ZONE IX (San Andres) | 4,598 ft | -4,586 ft |
| SAN ANDRES ZONE X (San Andres) | 4,682 ft | -4,670 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 (1)
| Interval | Type |
|---|---|
| 4,610–4,667 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 420 ft | 250 sx |
| 4.5" | 4,700 ft | 1,200 sx |
Permit History (1)
Applications (1)
Records & Logs
2 completion filings on record · 1 with log images at RRC.
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
- 10
- Max Depth
- 4,800 ft
- Drill Type
- Vertical
- County
- HOCKLEY
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1985-09-14
Operator
- Name
- HILCORP ENGY CO
- Location
- HOUSTON
- P-5 Status
- X (filed 2026-03-27)
- Cum Oil (all leases)
- 75,699,281 bbl
- Cum Gas (all leases)
- 1,779,939,645 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 3,439