42-479-35084
Final CompletionHIRSCH ESTATE 538
WEBB County · District 4 · CONOCOPHILLIPS COMPANY · BIG COWBOY (LOBO)
Permits
1
Max Depth
9,550 ft
First Permit
1990-08-28
Latest Activity
1990-08-28
Lifespan
< 1 yr
Regulatory Status
Schedule
OFF SCHEDULE
Completion
1996-09-25
Shut-In
—
Plugged
2012-11-06
EWA / Production operator mismatch
Scheduling: CONOCOPHILLIPS COMPANY ≠ Production: CONOCO INC. (reported 1997-02)
EWA / Permit operator mismatch
Scheduling: CONOCOPHILLIPS COMPANY ≠ Permit: ENRON OIL & GAS COMPANY
Resolved via: scheduling → CONOCOPHILLIPS COMPANY
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
2012-11
Lease Production
Production is reported at the lease level. View production data, decline curves, and history on the lease page.
Formation Tops (3) Elevation 496 ft (GR)
CSV| Formation | Top Depth (MD) | Subsea (+above / −below SL) |
|---|---|---|
| WILCOX | 4,596 ft | -4,100 ft |
| LOBO | 7,400 ft | -6,904 ft |
| WILLS POINT | 8,440 ft | -7,944 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 (3)
| Interval | Type |
|---|---|
| 7,400–7,412 ft | Perforated |
| 7,511–7,541 ft | Perforated |
| 8,132–8,221 ft | Perforated |
Casing (4)
| Size | Set Depth | Cement |
|---|---|---|
| 9.625" | 503 ft | 235 sx |
| 7" | 6,942 ft | 330 sx |
| 2.875" | 8,521 ft | 300 sx |
| 7" | — | 780 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
- 3
- Max Depth
- 9,550 ft
- Drill Type
- Vertical
- County
- WEBB
- District
- 4
- Operator
- CONOCOPHILLIPS COMPANY
- Completed
- 1996-09-25
Operator
- Name
- CONOCOPHILLIPS CO
- Location
- MIDLAND
- P-5 Status
- Active (filed 2026-02-03)
- Cum Oil (all leases)
- 82,638,100 bbl
- Cum Gas (all leases)
- 2,799,661,718 mcf
- Activities
- CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
- Total Permits
- 3,285