42-291-32473

PRODUCING Directional

ESPREE

LIBERTY County · District 3 · SILVERBROOK OPERATING LLC · HULL SOUTH (COOK MTN 10700)

Permits

4

Max Depth

13,500 ft

First Permit

2003-03-31

Latest Activity

2006-07-07

Lifespan

3 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2006-07-01

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Production operator mismatch

Scheduling: SILVERBROOK OPERATING LLC ≠ Production: H.E.R. OPERATING, LLC (reported 2017-07)

!

EWA / Permit operator mismatch

Scheduling: SILVERBROOK OPERATING LLC ≠ Permit: CARRIZO OIL & GAS, INC.

Resolved via: schedulingSILVERBROOK OPERATING LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2003-06

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 (7) Elevation 66 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
VICKSBURG 7,300 ft-7,234 ft
TOP YEGUA (Yegua)8,305 ft-8,239 ft
DY8,595 ft-8,529 ft
EY9,025 ft-8,959 ft
AV9,470 ft-9,404 ft
COOK MOUNTAIN-1 (Cook Mountain)9,955 ft-9,889 ft
COOK MTN-19,955 ft-9,889 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 (8)

IntervalType
9,990–10,048 ftPerforated
10,074–10,084 ftPerforated
10,114–10,128 ftPerforated
10,169–10,191 ftPerforated
11,673–11,677 ftPerforated
11,681–11,696 ftPerforated
11,702–11,708 ftPerforated
11,716–11,718 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"2,945 ft3,100 sx
9.625"9,670 ft465 sx
4.5"12,023 ft375 sx

Permit History (4)

Applications (4)

#622152 A CARRIZO OIL & GAS, INC.
received 2006-07-07
#530139 A CARRIZO OIL & GAS, INC.
received 2003-07-31
#530139 A CARRIZO OIL & GAS, INC.
received 2003-05-01
#530139 A CARRIZO OIL & GAS, INC.
received 2003-03-31

Records & Logs

4 completion filings on record · 2 with log images at RRC.

W-2/G-1 2006-07-17 log on file
W-2/G-1 2006-08-23
W-2/G-1 2003-08-03 log on file
W-2/G-1 2003-08-27

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 LIBERTY County.

Well Details

Well Number
1
Max Depth
13,500 ft
Drill Type
Directional
County
LIBERTY
District
3
Completed
2006-07-01

Operator

Location
BARKER
P-5 Status
Active (filed 2025-09-22)
Cum Oil (all leases)
98,579 bbl
Cum Gas (all leases)
1,335 mcf
Activities
OPRS/G, OPRS/O