42-165-32243
Final CompletionROBERTSON /CLEARFORK/ UNIT
GAINES County · District 8 · HILCORP ENERGY COMPANY · ROBERTSON N. (CLEAR FORK 7100)
Permits
1
Max Depth
7,250 ft
First Permit
1981-10-29
Latest Activity
1981-10-29
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1991-12-16
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
Permitted Volume
2,000 bbl/d
Max Pressure
2,500 psi
Injection Interval
5,782–7,400 ft
Injected (12mo)
20,233 bbl
Monthly injected volume (bbl, from H-10 filings through 2025-10-01)
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 (13) Elevation 3,350 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 1,767 ft | +1,583 ft |
| SALADO | 1,874 ft | +1,476 ft |
| YATES | 2,834 ft | +516 ft |
| YATES | 2,839 ft | +511 ft |
| SEVEN RIVERS | 2,964 ft | +386 ft |
| SAN ANDRES | 4,367 ft | -1,017 ft |
| GLORIETA | 5,586 ft | -2,236 ft |
| ROB UNIT | 5,758 ft | -2,408 ft |
| UPPER CLEARFORK (Clear Fork) | 5,910 ft | -2,560 ft |
| TUBB | 6,952 ft | -3,602 ft |
| LOWER CLEAKFORK | 7,049 ft | -3,699 ft |
| LOWER CLEARFORK (Clear Fork) | 7,049 ft | -3,699 ft |
| LOWER CLEARFRK | 7,049 ft | -3,699 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 |
|---|---|
| 5,990–7,066 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,728 ft | 800 sx |
| 2.875" | 7,060 ft | — |
| 5.5" | 7,247 ft | 1,950 sx |
Permit History (1)
Applications (1)
Records & Logs
7 completion filings on record.
+1 more filings
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
- 8603
- Max Depth
- 7,250 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1991-12-16
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