42-135-35825
Final CompletionKEYSTONE -16-
ECTOR County · District 8 · HILLIN-SIMON OIL COMPANY · FERNANDES (YATES)
Permits
1
Max Depth
9,000 ft
First Permit
1988-02-05
Latest Activity
1988-02-05
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1988-03-24
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: HILLIN-SIMON OIL COMPANY ≠ Production: RUST OIL CORP. (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: HILLIN-SIMON OIL COMPANY ≠ Permit: RUST OIL CORP.
Resolved via: production → RUST OIL CORP.
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
originally filed by RUST OIL CORP. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (2) Elevation 3,020 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SAN ANDRES | 4,077 ft | -1,057 ft |
| CLEARFORK (Clear Fork) | 5,469 ft | -2,449 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 |
|---|---|
| 8,814–8,820 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 333 ft | 325 sx |
| 8.625" | 3,720 ft | 1,200 sx |
| 5.5" | 8,955 ft | 1,350 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings on record · 1 with log images at RRC.
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
- 7
- Max Depth
- 9,000 ft
- Drill Type
- Vertical
- County
- ECTOR
- District
- 8
- Operator
- HILLIN-SIMON OIL COMPANY
- Completed
- 1988-03-24
Operator
- Name
- HILLIN-SIMON OIL CO
- Location
- HOUSTON
- P-5 Status
- Inactive (filed 1999-06-04)
- Cum Oil (all leases)
- 162,436 bbl
- Cum Gas (all leases)
- 631,164 mcf
- Total Permits
- 53