42-165-32346
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
1982-04-15
Latest Activity
1982-04-15
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1982-12-17
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
2,500 bbl/d
Max Pressure
2,800 psi
Injection Interval
5,600–7,260 ft
Injected (12mo)
—
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 (3) Elevation 3,339 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER CLEARFORK (Clear Fork) | 5,917 ft | -2,578 ft |
| TUBB | 6,939 ft | -3,600 ft |
| LOWER CLEARFORK (Clear Fork) | 7,025 ft | -3,686 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 (2)
| Interval | Type |
|---|---|
| 5,931–7,140 ft | Perforated |
| 6,315–7,140 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,771 ft | 750 sx |
| 8.625" | 1,771 ft | 750 sx |
| 2.875" | 7,120 ft | — |
| 5.5" | 7,242 ft | 2,100 sx |
| 5.5" | 7,242 ft | 2,100 sx |
Permit History (1)
Applications (1)
Records & Logs
8 completion filings on record.
+2 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
- 8503
- Max Depth
- 7,250 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1982-12-17
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