42-431-32946
Final CompletionCALDWELL -26-
STERLING County · District 8 · HAMMAN OIL & REFINING COMPANY · CREDO E. (CISCO UP.)
Permits
1
Max Depth
8,000 ft
First Permit
1998-09-28
Latest Activity
1998-09-28
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1998-10-30
Shut-In
—
Plugged
—
EWA / Production operator mismatch
Scheduling: HAMMAN OIL & REFINING COMPANY ≠ Production: BOLDING ENERGY, LLC (reported 2026-04)
Resolved via: production → BOLDING ENERGY, 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
1998-11
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 (4) Elevation 2,408 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| YATES | 1,120 ft | +1,288 ft |
| S.A. | 1,830 ft | +578 ft |
| GLOR. | 2,545 ft | -137 ft |
| WC MKR | 5,010 ft | -2,602 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 |
|---|---|
| 6,954–7,194 ft | Perforated |
Casing (2)
| Size | Set Depth | Cement |
|---|---|---|
| 8.625" | 1,254 ft | 500 sx |
| 4.5" | 7,349 ft | 700 sx |
Permit History (1)
Applications (1)
Records & Logs
4 completion filings 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
- 1
- Max Depth
- 8,000 ft
- Drill Type
- Vertical
- County
- STERLING
- District
- 8
- Operator
- HAMMAN OIL & REFINING COMPANY
- Completed
- 1998-10-30
Operator
- Location
- HOUSTON
- P-5 Status
- Active (filed 2026-06-01)
- Cum Oil (all leases)
- 3,478,638 bbl
- Cum Gas (all leases)
- 26,126,778 mcf
- Activities
- OPRS/G, OPRS/O
- Total Permits
- 359