42-301-30278
Final Completion HorizontalC.G. LUDEMAN B
LOVING County · District 8 · COG OPERATING LLC · PHANTOM (WOLFCAMP)
Permits
3
Max Depth
20,490 ft
First Permit
1981-01-06
Latest Activity
2012-08-31
Lifespan
32 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
2013-03-05
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: ENDEAVOR ENERGY RESOURCES L.P.
Resolved via: production → COG OPERATING 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 (21) Elevation 3,131 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| RUSTLER | 995 ft | +2,136 ft |
| SALADO | 1,353 ft | +1,778 ft |
| BELL CANYON | 5,262 ft | -2,131 ft |
| CHERRY CANYON | 6,287 ft | -3,156 ft |
| CHERRY CANYON MARKER (Cherry Canyon) | 6,504 ft | -3,373 ft |
| BONE SPRINGS (Bone Spring) | 9,360 ft | -6,229 ft |
| BONE SPRING 2ND (Bone Spring) | 10,759 ft | -7,628 ft |
| DEAN SAND (Dean) | 11,743 ft | -8,612 ft |
| BONE SPRING 3RD (Bone Spring) | 11,798 ft | -8,667 ft |
| WOLFCAMP | 12,115 ft | -8,984 ft |
| WOLFCAMP | 12,146 ft | -9,015 ft |
| WHIPSTOCK | 14,553 ft | -11,422 ft |
| STRAWN | 14,960 ft | -11,829 ft |
| DERRY | 15,118 ft | -11,987 ft |
| MORROW | 15,772 ft | -12,641 ft |
| MORROW SAND (Morrow) | 17,200 ft | -14,069 ft |
| MISSISSIPPIAN | 18,349 ft | -15,218 ft |
| WHIPSTOCK | 18,390 ft | -15,259 ft |
| MISSISSIPPIAN LIME (Mississippian) | 18,937 ft | -15,806 ft |
| WOODFORD | 19,301 ft | -16,170 ft |
| SILURIAN (Silurian (undifferentiated)) | 19,626 ft | -16,495 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 (2)
| Interval | Type |
|---|---|
| 12,135–15,168 ft | Perforated |
| 14,778–14,814 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 20" | 418 ft | 900 sx |
| 13.375" | 5,130 ft | 4,800 sx |
| 10.75" | 12,804 ft | 2,395 sx |
Permit History (3)
Applications (3)
Records & Logs
4 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.
No GPS coordinates yet
Well Details
- Well Number
- 1H
- Max Depth
- 20,490 ft
- Drill Type
- Horizontal
- County
- LOVING
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2013-03-05
Operator
- Name
- COG OPER LLC
- Location
- MIDLAND
- P-5 Status
- X (filed 2026-06-02)
- Cum Oil (all leases)
- 645,285,792 bbl
- Cum Gas (all leases)
- 305,183,488 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 4,547