42-479-35247

PRODUCING

ROSCHER-HIRSCH GAS UNIT

WEBB County · District 4 · HILCORP ENERGY COMPANY · BIG COWBOY (LOBO)

Permits

1

Max Depth

9,400 ft

First Permit

1991-05-31

Latest Activity

1991-05-31

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

—

Shut-In

—

Plugged

—

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: ENRON OIL & GAS COMPANY

Resolved via: production → HILCORP ENERGY COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (3) Elevation 443 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN CITY 2,560 ft-2,117 ft
WILCOX 4,604 ft-4,161 ft
LOBO7,312 ft-6,869 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)

IntervalType
7,410–7,426 ftPerforated
8,002–8,032 ftPerforated
8,072–8,156 ftPerforated

Casing (4)

SizeSet DepthCement
9.625"1,000 ft360 sx
7"6,933 ft385 sx
2.875"8,472 ft300 sx
7"—602 sx

Permit History (1)

Applications (1)

#388509 A ENRON OIL & GAS COMPANY
received 1991-05-31

Records & Logs

5 completion filings on record · 1 with log images at RRC.

W-2/G-1 1995-01-24
W-2/G-1 1992-08-12
W-2/G-1 1992-07-10
W-2/G-1 1991-07-25 log on file
W-2/G-1 1991-09-16

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

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in WEBB County.

Well Details

Well Number
2
Max Depth
9,400 ft
Drill Type
Vertical
County
WEBB
District
4

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-03-27)
Cum Oil (all leases)
75,699,281 bbl
Cum Gas (all leases)
1,779,939,645 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,445