42-505-31909
Final CompletionVELA ROBERTO 640 ACRE GAS UNIT
ZAPATA County · District 4 · CHESAPEAKE OPERATING INC. · COMITAS S. (WILCOX CONSOL.)
Permits
1
Max Depth
11,500 ft
First Permit
1984-09-24
Latest Activity
1984-09-24
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1984-12-08
Shut-In
—
Plugged
2012-07-05
EWA / Production operator mismatch
Scheduling: CHESAPEAKE OPERATING INC. ≠ Production: PENNZOIL EXPLORATION & PROD. CO. (reported 1995-04)
EWA / Permit operator mismatch
Scheduling: CHESAPEAKE OPERATING INC. ≠ Permit: PENNZOIL PRODUCING CO.
Resolved via: scheduling → CHESAPEAKE OPERATING INC.
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
2012-07
Operator History
originally filed by PENNZOIL PRODUCING CO. — asset transferred
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (5) Elevation 450 ft (DF)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| CROCKETT | 2,330 ft | -1,880 ft |
| QUEEN CITY | 3,040 ft | -2,590 ft |
| 8150' | 8,100 ft | -7,650 ft |
| 8700' | 8,712 ft | -8,262 ft |
| 8850' | 8,900 ft | -8,450 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 |
|---|---|
| 8,708–8,732 ft | Perforated |
| 8,712–8,736 ft | Perforated |
Casing (3)
| Size | Set Depth | Cement |
|---|---|---|
| 13.375" | 1,150 ft | 970 sx |
| 9.625" | 6,150 ft | 900 sx |
| 2.875" | 9,848 ft | 1,350 sx |
Permit History (1)
Applications (1)
Records & Logs
3 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
- 2
- Max Depth
- 11,500 ft
- Drill Type
- Vertical
- County
- ZAPATA
- District
- 4
- Operator
- CHESAPEAKE OPERATING INC.
- Completed
- 1984-12-08
Operator
- Name
- PARKWAY PETRO, INC
- Location
- OKLAHOMA CI, TY
- P-5 Status
- Delinquent (filed 2024-12-10)
- Cum Oil (all leases)
- 120,218,990 bbl
- Cum Gas (all leases)
- 5,501,647,035 mcf
- Total Permits
- 13,061