42-321-00630
Final CompletionROBERTSON W. T.
MATAGORDA County · District 3 · CHAPARRAL ENERGY L.L.C. · SUGAR VALLEY (8100)
Permits
4
Max Depth
9,200 ft
First Permit
1994-12-07
Latest Activity
1997-07-30
Lifespan
3 yrs
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1997-07-21
Shut-In
—
Plugged
2008-10-01
EWA / Permit operator mismatch
Scheduling: CHAPARRAL ENERGY L.L.C. ≠ Permit: HOUSTON HYDROCARBONS, INC. (A)
Resolved via: scheduling → CHAPARRAL ENERGY L.L.C.
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 52 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| STRUMA | 8,450 ft | -8,398 ft |
| BOUTTE | 8,530 ft | -8,478 ft |
| GRANT | 8,750 ft | -8,698 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 (7)
| Interval | Type |
|---|---|
| 8,050–8,052 ft | Perforated |
| 8,530–8,534 ft | Perforated |
| 8,749–8,753 ft | Perforated |
| 8,749–8,831 ft | Perforated |
| 8,778–8,782 ft | Perforated |
| 8,828–8,831 ft | Perforated |
| ?–8,596 ft | Perforated |
Casing (6)
| Size | Set Depth | Cement |
|---|---|---|
| 10.75" | 1,427 ft | 890 sx |
| 10.75" | 1,437 ft | 890 sx |
| 2.375" | 8,574 ft | — |
| 2" | 8,815 ft | — |
| 5.5" | 9,127 ft | 850 sx |
| 5.5" | 9,138 ft | 850 sx |
Permit History (4)
ROBERTSON, W. T. · 8,200 ft
1997-07-30
Spud 1997-06-29
ROBERTSON, W. T. · 9,200 ft
1994-12-07
Spud 1995-01-23
ROBERTSON, W. T. · 9,200 ft
1994-12-07
ROBERTSON, W. T. · 9,200 ft
1994-12-07
Applications (4)
Records & Logs
8 completion filings on record · 2 with log images at RRC.
+2 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
- 1
- Max Depth
- 9,200 ft
- Drill Type
- Vertical
- County
- MATAGORDA
- District
- 3
- Operator
- CHAPARRAL ENERGY L.L.C.
- Completed
- 1997-07-21
Operator
- Location
- OKLAHOMA CI, TY
- P-5 Status
- Delinquent (filed 2025-01-02)
- Cum Oil (all leases)
- 15,903,956 bbl
- Cum Gas (all leases)
- 91,595,701 mcf
- Activities
- G/PUR, GTHS/G, OPRS/G, OPRS/O
- Total Permits
- 443