42-097-00995
BEST J. M.
COOKE County · District 9 · CIMAREX ENERGY CO. OF COLORADO · WALNUT BEND (ELLENBURGER)
Permits
1
Max Depth
5,422 ft
First Permit
1978-05-02
Latest Activity
1978-05-02
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
—
Shut-In
—
Plugged
2017-10-20
EWA / Production operator mismatch
Scheduling: CIMAREX ENERGY CO. OF COLORADO ≠ Production: SYDRI OPERATING, LLC (reported 2026-04)
EWA / Permit operator mismatch
Scheduling: CIMAREX ENERGY CO. OF COLORADO ≠ 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 (3) Elevation 728 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| COX | 2,996 ft | -2,268 ft |
| BRUHLMEYER | 3,497 ft | -2,769 ft |
| CONSOLIDATED | 3,933 ft | -3,205 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 (11)
| Interval | Type |
|---|---|
| 4,705–4,707 ft | Perforated |
| 4,759–4,772 ft | Perforated |
| 4,954–4,968 ft | Perforated |
| 5,074–5,076 ft | Perforated |
| 5,104–5,119 ft | Perforated |
| 5,104–5,120 ft | Perforated |
| 5,135–5,144 ft | Perforated |
| 5,194–5,216 ft | Perforated |
| 5,208–5,216 ft | Perforated |
| ?–5,144 ft | Perforated |
| ?–5,390 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,163 ft | 450 sx |
| 5.5" | 5,343 ft | 350 sx |
Permit History (1)
Applications (1)
Records & Logs
5 completion filings on record.
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
- 30-25
- Max Depth
- 5,422 ft
- Drill Type
- Vertical
- County
- COOKE
- District
- 9
- Operator
- CIMAREX ENERGY CO. OF COLORADO
Operator
- Location
- MIDLAND
- P-5 Status
- Delinquent (filed 2025-04-28)
- Cum Oil (all leases)
- 23,631,926 bbl
- Cum Gas (all leases)
- 190,164,266 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 476