42-495-04122
Final CompletionKEYSTONE SILURIAN UNIT
WINKLER County · District 8 · HILCORP ENERGY COMPANY · KEYSTONE (DEV-MCKEE CONS)
Permits
1
Max Depth
9,920 ft
First Permit
2019-07-12
Latest Activity
2019-07-12
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1974-12-01
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: XTO ENERGY INC.
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
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 2,944 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TANSILL | 2,169 ft | +775 ft |
| YATES | 2,309 ft | +635 ft |
| SEVEN RIVERS | 2,540 ft | +404 ft |
| QUEEN | 3,014 ft | -70 ft |
| GRAYBURG | 3,309 ft | -365 ft |
| SAN ANDRES | 3,494 ft | -550 ft |
| SAN ANGELO | 4,479 ft | -1,535 ft |
| GLORIETA | 4,591 ft | -1,647 ft |
| UPPER CLEARFORK (Clear Fork) | 4,992 ft | -2,048 ft |
| TUBB | 5,495 ft | -2,551 ft |
| LOWER CLEARFORK (Clear Fork) | 5,575 ft | -2,631 ft |
| WICHITA ALBANY (Wichita-Albany) | 5,978 ft | -3,034 ft |
| WOLFCAMP UPPER (Wolfcamp) | 6,833 ft | -3,889 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 ↗
Offset Well Tops (nearest 8 wells with tops)
What nearby completed wells reported.
Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).
Perforations (1)
| Interval | Type |
|---|---|
| 6,082–6,393 ft | Perforated |
Casing (9)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 242 ft | 250 sx |
| 20" | 258 ft | 110 sx |
| 13.375" | 2,279 ft | 1,500 sx |
| 13.375" | 2,294 ft | 661 sx |
| 9.625" | 5,008 ft | 950 sx |
| 9.625" | 5,023 ft | 419 sx |
| 2.375" | 7,775 ft | — |
| 7" | 9,618 ft | 1,200 sx |
| 7" | 9,630 ft | 397 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.
Well Details
- Well Number
- 5
- Max Depth
- 9,920 ft
- Drill Type
- Vertical
- County
- WINKLER
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1974-12-01
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
- 3,435