42-217-30396

PRODUCING Horizontal

GATLIN SOUTH UNIT

HILL County · District 9 · FORMENTERA OPERATIONS LLC · NEWARK EAST (BARNETT SHALE)

Permits

1

Max Depth

8,900 ft

First Permit

2006-02-27

Latest Activity

2006-02-27

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2006-10-25

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: FORMENTERA OPERATIONS LLC ≠ Permit: CHIEF OIL & GAS LLC **

Resolved via: productionFORMENTERA OPERATIONS LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2006-10

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 (6) Elevation 669 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BARNETT 7,525 ft-6,856 ft
BIG SALINE 7,525 ft-6,856 ft
MARBLE FALLS 8,025 ft-7,356 ft
BARNETT SAHLE (Barnett)8,270 ft-7,601 ft
MARBLE FALLS 8,270 ft-7,601 ft
BIG SALINE

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 (3)

IntervalType
8,640–9,095 ftPerforated
9,240–9,695 ftPerforated
9,840–10,295 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"1,717 ft600 sx
5.5"10,372 ft900 sx

Permit History (1)

Applications (1)

#614905 A CHIEF OIL & GAS LLC **
received 2006-02-27

Records & Logs

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

W-2/G-1 2007-11-14
W-2/G-1 2006-12-08 log on file
W-2/G-1 2007-10-30

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 HILL County.

Well Details

Well Number
1H
Max Depth
8,900 ft
Drill Type
Horizontal
County
HILL
District
9
Completed
2006-10-25

Operator

Location
AUSTIN
P-5 Status
X (filed 2026-06-11)
Cum Oil (all leases)
7,170,117 bbl
Cum Gas (all leases)
53,235,974 mcf
Activities
CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits
74