Permits
1
Max Depth
4,700 ft
First Permit
1977-08-31
Latest Activity
1977-08-31
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1977-09-13
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: EXXON CORP.
Resolved via: production → 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
Injection / Disposal
ANDREWS County disposal market →Permitted Volume
3,000 bbl/d
Max Pressure
2,000 psi
Injection Interval
4,100–4,800 ft
Injected (12mo)
—
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 (3) Elevation 3,172 ft (KB)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| QUEEN | 4,051 ft | -879 ft |
| GRAYBURG | 4,266 ft | -1,094 ft |
| SAN ANDRES | 4,424 ft | -1,252 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 (5)
| Interval | Type |
|---|---|
| 4,436–4,513 ft | Perforated |
| 4,436–4,514 ft | Perforated |
| 4,442–4,490 ft | Perforated |
| 4,521–4,550 ft | Perforated |
| 4,523–4,564 ft | Open hole |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 8.875" | 330 ft | 300 sx |
| 8.625" | 343 ft | 300 sx |
| 5.5" | 4,521 ft | 1,550 sx |
| 5.5" | 4,523 ft | 1,550 sx |
| 5.5" | 4,531 ft | 1,550 sx |
Permit History (1)
Applications (1)
Records & Logs
5 completion filings on record.
Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 1664
- Max Depth
- 4,700 ft
- Drill Type
- Vertical
- County
- ANDREWS
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1977-09-13
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
- 3,428