42-389-34853
PRODUCING HorizontalTYCOON B
REEVES County · District 8 · U.S. ENERGY DEVELOPMENT CORP · WOLFBONE (TREND AREA)
Permits
1
Max Depth
10,800 ft
First Permit
2015-04-29
Latest Activity
2015-04-29
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2015-09-04
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: U.S. ENERGY DEVELOPMENT CORP ≠ Permit: COG OPERATING LLC
Resolved via: production → U.S. ENERGY DEVELOPMENT CORP
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
2014-11
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 (10) Elevation 2,556 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FORD-DELAWARE (Delaware) | 2,500 ft | +56 ft |
| CASTILLE (Castile) | 2,800 ft | -244 ft |
| BELL CANYON | 4,800 ft | -2,244 ft |
| DELAWARE | 4,963 ft | -2,407 ft |
| CHERRY CANYON | 5,944 ft | -3,388 ft |
| DELAWARE CONSOLIDATED GAS (Delaware) | 6,500 ft | -3,944 ft |
| BONE SPRINGS (Bone Spring) | 8,111 ft | -5,555 ft |
| WOLFCAMP | 10,638 ft | -8,082 ft |
| PENNSYLVANIAN | — | — |
| PERMIAN (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 ↗
Perforations (1)
| Interval | Type |
|---|---|
| 11,040–16,540 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 253 ft | 520 sx |
| 13.375" | 1,394 ft | 1,400 sx |
| 9.625" | 10,138 ft | 1,350 sx |
| 5.5" | 16,669 ft | 2,665 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
- 603H
- Max Depth
- 10,800 ft
- Drill Type
- Horizontal
- County
- REEVES
- District
- 8
- Operator
- U.S. ENERGY DEVELOPMENT CORP
- Completed
- 2015-09-04
Operator
- Name
- U.S. ENGY DEV CORP
- Location
- FORT WORTH
- P-5 Status
- Active (filed 2026-02-18)
- Cum Oil (all leases)
- 14,882,303 bbl
- Cum Gas (all leases)
- 30,585,425 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 208