42-165-34813
PRODUCINGPIERSON WILLIAM ESTATE
GAINES County · District 8 · HILCORP ENERGY COMPANY · RUSSELL S. (SAN ANDRES)
Permits
1
Max Depth
5,200 ft
First Permit
1994-12-01
Latest Activity
1994-12-01
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1995-01-09
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: HILCORP ENERGY COMPANY ≠ Permit: CROSS TIMBERS OPERATING COMPANY
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 (4) Elevation 3,544 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| UPPER SAN ANDRES (San Andres) | 4,747 ft | -1,203 ft |
| MAIN WASSON PAY | 4,920 ft | -1,376 ft |
| MAIN WASSON S.A. PAY | 4,920 ft | -1,376 ft |
| LOWER WASSON S.A. PAY | 5,010 ft | -1,466 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 |
|---|---|
| 4,759–5,034 ft | Perforated |
| 5,014–5,034 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 386 ft | 235 sx |
| 5.5" | 5,200 ft | 1,400 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 21
- Max Depth
- 5,200 ft
- Drill Type
- Vertical
- County
- GAINES
- District
- 8
- Operator
- HILCORP ENERGY COMPANY
- Completed
- 1995-01-09
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
- 3,430