42-317-39413
PRODUCING HorizontalJOHNSON RANCH
MARTIN County · District 8 · COG OPERATING LLC · SPRABERRY (TREND AREA)
Permits
1
Max Depth
12,000 ft
First Permit
2014-05-02
Latest Activity
2014-05-02
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2014-10-26
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: COG OPERATING LLC ≠ Permit: RSP PERMIAN, LLC
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
2007-11
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 (15) Elevation 2,876 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SANTA ROSA | 1,110 ft | +1,766 ft |
| RUSTLER | 1,927 ft | +949 ft |
| YATES | 2,970 ft | -94 ft |
| SEVEN RIVERS | 3,223 ft | -347 ft |
| QUEEN | 4,110 ft | -1,234 ft |
| GRAYBURG | 4,345 ft | -1,469 ft |
| SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres) | 4,715 ft | -1,839 ft |
| GLORIETA | 5,558 ft | -2,682 ft |
| CLEARFORK (Clear Fork) | 6,816 ft | -3,940 ft |
| SPRABERRY | 8,173 ft | -5,297 ft |
| CISCO | 8,480 ft | -5,604 ft |
| DEAN | 9,236 ft | -6,360 ft |
| WOLFCAMP | 9,350 ft | -6,474 ft |
| CISCO | — | — |
| PENNSYLVANIAN | — | — |
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 |
|---|---|
| 9,860–17,254 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,581 ft | 1,150 sx |
| 9.625" | 9,105 ft | 635 sx |
| 5.5" | 17,349 ft | 2,240 sx |
Permit History (1)
Applications (1)
Records & Logs
2 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.
No GPS coordinates yet
Well Details
- Well Number
- 1018WB
- Max Depth
- 12,000 ft
- Drill Type
- Horizontal
- County
- MARTIN
- District
- 8
- Operator
- COG OPERATING LLC
- Completed
- 2014-10-26
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
- 4,550