42-163-32083

Final Completion

HILDEBRAND IRA

FRIO County · District 1 · BLACKBRUSH O & G LLC · PEARSALL (AUSTIN CHALK)

Permits

1

Max Depth

6,900 ft

First Permit

1981-11-25

Latest Activity

1981-11-25

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1987-05-06

Shut-In

Plugged

1990-11-13

!

EWA / Production operator mismatch

Scheduling: BLACKBRUSH O & G LLC ≠ Production: EXPRESS OIL AND GAS (reported 1999-11)

!

EWA / Permit operator mismatch

Scheduling: BLACKBRUSH O & G LLC ≠ Permit: ENERGY RESOURCES OIL & GAS CORP.

Resolved via: schedulingBLACKBRUSH O & G LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2021-09

Injection / Disposal

H-1 Injection Plugged 1990-12-27 UIC #000062549 permitted 1987-03-20

Permitted Volume

300 bbl/d

Max Pressure

500 psi

Injection Interval

6,331–6,341 ft

Injected (12mo)

Lease Production

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

Formation Tops (5) Elevation 560 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
ESCONDIDO 3,814 ft-3,254 ft
OLMOS 5,032 ft-4,472 ft
SAN MIGUEL 5,590 ft-5,030 ft
ANACACHO 6,250 ft-5,690 ft
TOP AUSTIN CHALK (Austin Chalk)6,625 ft-6,065 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 ↗

Casing (5)

SizeSet DepthCement
10.75"3,611 ft
10.75"3,622 ft2,050 sx
7"6,597 ft400 sx
7"6,597 ft
4.5"6,992 ft

Permit History (1)

Applications (1)

#142604 A ENERGY RESOURCES OIL & GAS CORP.
received 1981-11-25

Records & Logs

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

W-2/G-1 1987-06-08
W-2/G-1 1985-09-30 log on file
W-2/G-1 1985-11-28

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 FRIO County.

Well Details

Well Number
3
Max Depth
6,900 ft
Drill Type
Vertical
County
FRIO
District
1
Completed
1987-05-06

Operator

Location
SAN ANTONIO
P-5 Status
Active (filed 2025-09-16)
Cum Oil (all leases)
14,940,812 bbl
Cum Gas (all leases)
59,004,108 mcf
Activities
GTHS/G, OPRS/G, OPRS/O
Total Permits
339