42-495-32007
SHUT INKEYSTONE CATTLE COMPANY
WINKLER County · District 8 · FORMENTERA OPERATIONS LLC · KEYSTONE (COLBY)
Permits
1
Max Depth
3,800 ft
First Permit
1985-10-25
Latest Activity
1985-10-25
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
1985-12-04
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: WOOD, MCSHANE & THAMS
Resolved via: scheduling → FORMENTERA OPERATIONS LLC
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
WINKLER County disposal market →Permitted Volume
500 bbl/d
Max Pressure
1,500 psi
Injection Interval
3,229–3,467 ft
Injected (12mo)
—
Monthly injected volume (bbl, from H-10 filings through 2025-08-01)
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 (6) Elevation 2,938 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 862 ft | +2,076 ft |
| TOP RUSTLER (Rustler) | 862 ft | +2,076 ft |
| KEYSTONE | 3,112 ft | -174 ft |
| KEYSTONE (COLBY) | 3,112 ft | -174 ft |
| GRAYBURG | 3,484 ft | -546 ft |
| TOP GRAYBURG (Grayburg) | 3,484 ft | -546 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 |
|---|---|
| 3,229–3,467 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 519 ft | 500 sx |
| 8.625" | 2,386 ft | 750 sx |
| 5.5" | 3,541 ft | 315 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
- 18C
- Max Depth
- 3,800 ft
- Drill Type
- Vertical
- County
- WINKLER
- District
- 8
- Operator
- FORMENTERA OPERATIONS LLC
- Completed
- 1985-12-04
Operator
- Location
- AUSTIN
- P-5 Status
- X (filed 2026-06-11)
- Cum Oil (all leases)
- 7,170,117 bbl
- Cum Gas (all leases)
- 53,235,974 mcf
- Activities
- CSGD/P, G/PUR, OPRS/G, OPRS/O
- Total Permits
- 71