42-389-37205
PRODUCING HorizontalTHE SPHINX
REEVES County · District 8 · U.S. ENERGY DEVELOPMENT CORP · WOLFBONE (TREND AREA)
Permits
1
Max Depth
11,400 ft
First Permit
2018-05-29
Latest Activity
2018-05-29
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2019-03-18
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
2017-11
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 2,582 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| FORD-DELAWARE (Delaware) | 2,500 ft | +82 ft |
| CASTILLE (Castile) | 2,800 ft | -218 ft |
| DELAWARE | 4,921 ft | -2,339 ft |
| BELL CANYON | 4,960 ft | -2,378 ft |
| CHERRY CANYON | 5,885 ft | -3,303 ft |
| DELAWARE CONSOLIDATED GAS (Delaware) | 6,500 ft | -3,918 ft |
| BONE SPRINGS (Bone Spring) | 8,079 ft | -5,497 ft |
| WOLFCAMP | 10,631 ft | -8,049 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 ↗
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 |
|---|---|
| 11,225–21,200 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 2,182 ft | 1,810 sx |
| 9.625" | 10,467 ft | 1,310 sx |
| 5.5" | 21,426 ft | 4,820 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.
Well Details
- Well Number
- 772H
- Max Depth
- 11,400 ft
- Drill Type
- Horizontal
- County
- REEVES
- District
- 8
- Operator
- U.S. ENERGY DEVELOPMENT CORP
- Completed
- 2019-03-18
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