42-479-33696

Final Completion

HIRSCH ESTATE 858

WEBB County · District 4 · CONOCOPHILLIPS COMPANY · BIG COWBOY (LOBO)

RRC Lookup

Permits

Max Depth

9,500 ft

First Permit

1983-09-09

Latest Activity

1983-09-09

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

2009-08-06

EWA / Production operator mismatch

Scheduling: CONOCOPHILLIPS COMPANY ≠ Production: CONOCO INC. (reported 2002-06)

EWA / Permit operator mismatch

Scheduling: CONOCOPHILLIPS COMPANY ≠ Permit: HNG OIL COMPANY

Resolved via: scheduling → CONOCOPHILLIPS COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2009-08

Operator History

Chain of Custody

ENRON OIL & GAS COMPANY 1993-1995→ CONOCO INC. 1995-2002

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Gas

production & DCA →

Permit History (1)

#210818 Drill Final Completion

HIRSCH ESTATE 858 · 9,500 ft

1983-09-09

Spud 1983-09-14

Permit Applications (1)

#210818 A HNG OIL COMPANY

received 1983-09-08

Well Details

Well Number: 2
Max Depth: 9,500 ft
Drill Type: Vertical
County: WEBB
District: 4
Operator: CONOCOPHILLIPS COMPANY

Operator

Name: CONOCOPHILLIPS CO
Location: MIDLAND
P-5 Status: Y (filed 2025-12-04)
Cum Oil (all leases): 81,745,711 bbl
Cum Gas (all leases): 2,770,654,424 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 3,279

External Links

RRC Wellbore Query →