42-439-32706

PRODUCING Horizontal

MAHAFFEY UNIT

TARRANT County · District 9 · GAS TAP CORP. · NEWARK EAST (BARNETT SHALE)

Permits

2

Max Depth

7,500 ft

First Permit

2007-10-05

Latest Activity

2007-10-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2008-02-21

Shut-In

Plugged

P-5 Org Status: Active

!

EWA / Permit operator mismatch

Scheduling: GAS TAP CORP. ≠ Permit: CARRIZO OIL & GAS, INC.

Resolved via: schedulingGAS TAP CORP.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2008-02

Last Production

2026-07

Operator History

Chain of Custody

Lease Production

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

Formation Tops (3) Elevation 656 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BASE CRETACEOUS (Base Cretaceous (marker))650 ft+6 ft
TOP MARBLE FALLS (Marble Falls)6,372 ft-5,716 ft
TOP BARNETT SHALE (Barnett)6,623 ft-5,967 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
6,899–9,444 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"776 ft345 sx
5.5"10,015 ft1,238 sx

Permit History (2)

Applications (2)

#647037 A CARRIZO OIL & GAS, INC.
received 2008-07-17
#647037 A CARRIZO OIL & GAS, INC.
received 2007-10-02

Records & Logs

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

W-2/G-1 2008-08-13 log on file
W-2/G-1 2008-10-13

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
2H
Max Depth
7,500 ft
Drill Type
Horizontal
County
TARRANT
District
9
Operator
GAS TAP CORP.
Completed
2008-02-21

Operator

Location
PLANO
P-5 Status
Active (filed 2025-09-23)
Cum Oil (all leases)
— bbl
Cum Gas (all leases)
1,963 mcf
Activities
OPRS/G