42-439-34700

PRODUCING Horizontal

ERVIN UNIT

TARRANT County · District 9 · UPP OPERATING LLC · NEWARK EAST (BARNETT SHALE)

Permits

1

Max Depth

9,000 ft

First Permit

2009-12-17

Latest Activity

2009-12-17

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2010-05-03

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

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

Resolved via: productionUPP OPERATING, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2010-01

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 (5) Elevation 614 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))1,950 ft-1,336 ft
BEND CONGLOMERATE (Bend)7,477 ft-6,863 ft
BEND CONGLOMERATE (Bend)7,580 ft-6,966 ft
TOP OF BARNETT (Barnett)8,044 ft-7,430 ft
TOP OF BARNETT (Barnett)8,170 ft-7,556 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 (1)

IntervalType
8,612–11,023 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"2,105 ft680 sx
5.5"11,125 ft1,563 sx

Permit History (1)

Applications (2)

#688740 Z CARRIZO OIL & GAS, INC.
received 2010-01-15
#688740 A CARRIZO OIL & GAS, INC.
received 2009-12-16

Records & Logs

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

W-2/G-1 2011-03-08 log on file
W-2/G-1 2010-04-19 log on file
W-2/G-1 2010-04-22

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 TARRANT County.

Well Details

Well Number
5H
Max Depth
9,000 ft
Drill Type
Horizontal
County
TARRANT
District
9
Completed
2010-05-03

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-03-06)
Cum Oil (all leases)
293,241 bbl
Cum Gas (all leases)
486,804,996 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
33