Permits
1
Max Depth
600 ft
First Permit
2011-05-30
Latest Activity
2011-05-30
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2011-09-16
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: CLARK OIL CO. ≠ Permit: GRIFFIN PETROLEUM COMPANY
Resolved via: production → CLARK OIL CO.
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
2005-01
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 (7) Elevation 2,191 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| TOBORG SAND (Toborg) | 158 ft | +2,033 ft |
| TOBORG B (Toborg) | 210 ft | +1,981 ft |
| RUSTLER ANHY (Rustler) | 350 ft | +1,841 ft |
| SMITH SAND | 378 ft | +1,813 ft |
| SMITH ANHYD | 457 ft | +1,734 ft |
| LOWER SMITH SAND | 475 ft | +1,716 ft |
| SEVEN RIVER ANHYD TOP | 480 ft | +1,711 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 |
|---|---|
| 388–408 ft | Perforated |
Casing (1)
| Size | Set Depth | Cement |
|---|---|---|
| 4.5" | 495 ft | 200 sx |
Permit History (1)
Applications (1)
Records & Logs
1 completion filing 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
- 20R
- Max Depth
- 600 ft
- Drill Type
- Vertical
- County
- PECOS
- District
- 8
- Operator
- CLARK OIL CO.
- Completed
- 2011-09-16
Operator
- Name
- CLARK OIL CO.
- Location
- DALLAS
- P-5 Status
- Active (filed 2025-10-14)
- Cum Oil (all leases)
- 852,469 bbl
- Cum Gas (all leases)
- 93 mcf
- Activities
- OPRS/G, OPRS/O