42-389-40101
PRODUCING HorizontalSENTINEL STATE 55-28 UNIT
REEVES County · District 8 · COTERRA ENERGY OPERATING CO. · PHANTOM (WOLFCAMP)
Permits
2
Max Depth
15,000 ft
First Permit
2022-07-15
Latest Activity
2022-07-15
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2023-08-25
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Production operator mismatch
Scheduling: COTERRA ENERGY OPERATING CO. ≠ Production: CIMAREX ENERGY CO. (reported 2025-08)
EWA / Permit operator mismatch
Scheduling: COTERRA ENERGY OPERATING CO. ≠ Permit: CIMAREX ENERGY CO.
Resolved via: scheduling → COTERRA ENERGY OPERATING 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
2023-04
Last Production
2026-07
Operator History
originally filed by CIMAREX ENERGY CO. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (10) Elevation 3,029 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| BELL CANYON | 3,918 ft | -889 ft |
| CHERRY CANYON | 4,871 ft | -1,842 ft |
| BONE SPRING | 7,393 ft | -4,364 ft |
| WOLFCAMP | 10,364 ft | -7,335 ft |
| CASTILLE (Castile) | — | — |
| DELAWARE | — | — |
| DELAWARE CONSOLIDATED GAS (Delaware) | — | — |
| FORD / DELAWARE (Delaware) | — | — |
| PENNSYLVANIAN | — | — |
| PERMIAN (UNDEFINED) (Permian (undifferentiated)) | — | — |
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 |
|---|---|
| 10,697–20,566 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 3,827 ft | 1,985 sx |
| 7" | 10,687 ft | 895 sx |
Permit History (2)
Applications (2)
Records & Logs
2 completion filings on record · 2 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
- 12H
- Max Depth
- 15,000 ft
- Drill Type
- Horizontal
- County
- REEVES
- District
- 8
- Operator
- COTERRA ENERGY OPERATING CO.
- Completed
- 2023-08-25
Operator
- Name
- COTERRA ENGY OPER CO
- Location
- MIDLAND
- P-5 Status
- X (filed 2026-05-20)
- Cum Oil (all leases)
- 102,327 bbl
- Cum Gas (all leases)
- 161,324,541 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 73