42-103-33166
Final CompletionUNIVERSITY O
CRANE County · District 8 · APACHE CORPORATION · BLOCK 31 EAST (ATOKA)
Permits
3
Max Depth
9,250 ft
First Permit
1983-05-06
Latest Activity
2020-04-24
Lifespan
37 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1990-07-13
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: APACHE CORPORATION ≠ Production: FORMENTERA OPERATIONS LLC (reported 2026-04)
Resolved via: production → 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
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 2,550 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| GRAYBURG | 3,041 ft | -491 ft |
| GLORIETA | 4,282 ft | -1,732 ft |
| PENN DETRITAL (Pennsylvanian) | 7,274 ft | -4,724 ft |
| PENN DETRITIAL (Pennsylvanian) | 7,274 ft | -4,724 ft |
| ATOKA | 8,142 ft | -5,592 ft |
| BARNETT | 8,164 ft | -5,614 ft |
| DEVONIAN | 8,962 ft | -6,412 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 (2)
| Interval | Type |
|---|---|
| 8,142–8,164 ft | Perforated |
| 8,966–9,094 ft | Perforated |
Casing (5)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 3,603 ft | 1,500 sx |
| 8.625" | 3,603 ft | — |
| 2.375" | 8,852 ft | — |
| 5.5" | 9,247 ft | 1,100 sx |
| 5.5" | 9,250 ft | 1,100 sx |
Permit History (3)
Applications (3)
Records & Logs
5 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.
Well Details
- Well Number
- 4
- Max Depth
- 9,250 ft
- Drill Type
- Vertical
- County
- CRANE
- District
- 8
- Operator
- APACHE CORPORATION
- Completed
- 1990-07-13
Operator
- Name
- APC OPER PARTNERSHIP
- Location
- HOUSTON
- P-5 Status
- Active (filed 2025-12-03)
- Cum Oil (all leases)
- 615,928,793 bbl
- Cum Gas (all leases)
- 2,702,742,169 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 9,705