42-163-32570

Final Completion

HILDEBRAND SWD #2

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

Permits

1

Max Depth

7,900 ft

First Permit

1988-11-22

Latest Activity

1988-11-22

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2001-11-06

Shut-In

Plugged

2014-03-26

!

EWA / Production operator mismatch

Scheduling: BLACKBRUSH O & G LLC ≠ Production: COX EXPLORATION, INC. (reported 1993-07)

!

EWA / Permit operator mismatch

Scheduling: BLACKBRUSH O & G LLC ≠ Permit: COX OIL & GAS, INC.

Resolved via: schedulingBLACKBRUSH O & G LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2014-07

Injection / Disposal

W-14 Disposal Plugged 2014-04-17 UIC #000091052 permitted 2001-11-29

Permitted Volume

2,000 bbl/d

Max Pressure

2,500 psi

Injection Interval

5,637–5,771 ft

Injected (12mo)

Operator History

originally filed by COX OIL & GAS, INC. — asset transferred

Lease Production

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

Formation Tops (4) Elevation 483 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
OLMOS 5,630 ft-5,147 ft
SAN MIGUEL 6,284 ft-5,801 ft
AUSTIN CHALK 7,220 ft-6,737 ft
BUDA 7,756 ft-7,273 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)

IntervalType
5,737–5,771 ftPerforated
7,600–7,626 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"859 ft262 sx
5.5"7,890 ft676 sx

Permit History (1)

Applications (1)

#353500 A COX OIL & GAS, INC.
received 1988-11-21

Records & Logs

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

W-2/G-1 2002-03-04
W-2/G-1 1989-02-02 log on file
W-2/G-1 1989-02-09

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
2
Max Depth
7,900 ft
Drill Type
Vertical
County
FRIO
District
1
Completed
2001-11-06

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