42-475-35458
PRODUCINGWINTER
WARD County · District 8 · N & B OIL AND GAS LLC · MARSTON RANCH (CLEARFORK)
Permits
3
Max Depth
9,500 ft
First Permit
2008-09-23
Latest Activity
2011-06-15
Lifespan
3 yrs
Regulatory Status
Schedule
ON SCHEDULE
Completion
2010-12-01
Shut-In
—
Plugged
—
P-5 Org Status: Active
EWA / Permit operator mismatch
Scheduling: N & B OIL AND GAS LLC ≠ Permit: NORTHSTAR OPERATING COMPANY
Resolved via: production → N & B OIL AND GAS 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
2009-04
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 (4) Elevation 2,562 ft (GL)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CLEARFORK (Clear Fork) | 4,498 ft | -1,936 ft |
| SILURIAN SHELL (Silurian (undifferentiated)) | 5,244 ft | -2,682 ft |
| DEVONIAN | 6,642 ft | -4,080 ft |
| CONNELL | 9,111 ft | -6,549 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 (4)
| Interval | Type |
|---|---|
| 4,311–4,331 ft | Perforated |
| 4,508–4,546 ft | Perforated |
| 4,769–4,851 ft | Perforated |
| 6,293–6,447 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 645 ft | 605 sx |
| 8.625" | 3,202 ft | 955 sx |
| 5.5" | 9,305 ft | 460 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
- 1
- Max Depth
- 9,500 ft
- Drill Type
- Vertical
- County
- WARD
- District
- 8
- Operator
- N & B OIL AND GAS LLC
- Completed
- 2010-12-01
Operator
- Location
- MONAHANS
- P-5 Status
- Delinquent (filed 2025-03-20)
- Cum Oil (all leases)
- 126,707 bbl
- Cum Gas (all leases)
- 204,375 mcf
- Activities
- CSGD/G, GTHS/G, OPRS/G, OPRS/O