42-429-36679
PRODUCINGBLACK BROS.
STEPHENS County · District 7 · TEXIAN OPERATING COMPANY LLC · WALKER-DAVIS (DUFFER 3990)
Permits
1
Max Depth
5,000 ft
First Permit
2011-06-17
Latest Activity
2011-06-17
Lifespan
< 1 yr
Regulatory Status
Schedule
ON SCHEDULE
Completion
2011-08-02
Shut-In
—
Plugged
—
P-5 Org Status: X
EWA / Permit operator mismatch
Scheduling: TEXIAN OPERATING COMPANY LLC ≠ Permit: LAYLINE PETROLEUM I, LLC
Resolved via: production → TEXIAN OPERATING COMPANY, 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
2011-08
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 (7) Elevation 1,198 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| SMITHWICK SHALE (Smithwick) | 3,119 ft | -1,921 ft |
| CADDO LIME (Caddo) | 3,203 ft | -2,005 ft |
| BASE CADDO REEF (Caddo) | 3,266 ft | -2,068 ft |
| MARBLE FALLS | 3,844 ft | -2,646 ft |
| CONGLOMERATE | 3,971 ft | -2,773 ft |
| DUFFER | 4,017 ft | -2,819 ft |
| COMYN | 4,146 ft | -2,948 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 (1)
| Interval | Type |
|---|---|
| 3,980–3,990 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 136 ft | 95 sx |
| 5.5" | 4,250 ft | 355 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 can't be deep-linked — clicking copies the API for you to paste.
No GPS coordinates yet
Well Details
- Well Number
- 34BB
- Max Depth
- 5,000 ft
- Drill Type
- Vertical
- County
- STEPHENS
- District
- 7
- Operator
- TEXIAN OPERATING COMPANY LLC
- Completed
- 2011-08-02
Operator
- Location
- IRVING
- P-5 Status
- X (filed 2026-06-12)
- Cum Oil (all leases)
- 739,024 bbl
- Cum Gas (all leases)
- 6,389,754 mcf
- Activities
- CSGD/G, GTHS/G, OPRS/G, OPRS/O