42-097-31186
NORTH WALNUT BEND UNIT
COOKE County · District 9 · SYDRI OPERATING LLC · WALNUT BEND N. (CANYON-STRAWN)
Permits
1
Max Depth
5,642 ft
First Permit
1977-12-12
Latest Activity
1977-12-12
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1977-11-19
Shut-In
—
Plugged
—
EWA / Permit operator mismatch
Scheduling: SYDRI OPERATING LLC ≠ Permit: ATLANTIC RICHFIELD CO.
Resolved via: production → SYDRI 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 (7) Elevation 744 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| HUDSPETH | 4,528 ft | -3,784 ft |
| HUDSPETH | 4,870 ft | -4,126 ft |
| MONTGOMERY | 5,284 ft | -4,540 ft |
| SNUGGS | 5,294 ft | -4,550 ft |
| RAMSEY | 5,390 ft | -4,646 ft |
| BEST | 5,543 ft | -4,799 ft |
| BEST | 5,544 ft | -4,800 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 |
|---|---|
| 4,870–5,346 ft | Perforated |
| ?–4,874 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,114 ft | 450 sx |
| 8.625" | 1,114 ft | 550 sx |
| 5.5" | 5,641 ft | 180 sx |
| 5.5" | 5,641 ft | 475 sx |
Permit History (1)
Applications (1)
Records & Logs
7 completion filings on record.
+1 more filings
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
- 7
- Max Depth
- 5,642 ft
- Drill Type
- Vertical
- County
- COOKE
- District
- 9
- Operator
- SYDRI OPERATING LLC
- Completed
- 1977-11-19
Operator
- Name
- SYDRI OPER, LLC
- Location
- DALLAS
- P-5 Status
- Active (filed 2026-03-11)
- Cum Oil (all leases)
- 1,658,317 bbl
- Cum Gas (all leases)
- 13,645,298 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 42