42-461-34451

PRODUCING Horizontal

HALFF ESTATE 20

UPTON County · District 7 · EOG RESOURCES INC. · AMACKER-TIPPETT (DEVONIAN)

Permits

1

Max Depth

12,000 ft

First Permit

2003-10-17

Latest Activity

2003-10-17

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2004-02-26

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2004-02

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 2,726 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BARNETT 10,291 ft-7,565 ft
WOODFORD 10,821 ft-8,095 ft
DEVONIAN 10,929 ft-8,203 ft
UPPER DEVONIAN (Devonian)11,189 ft-8,463 ft
LOWER DEVONIAN (Devonian)11,334 ft-8,608 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
11,772–15,372 ftPerforated
11,778–15,858 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"532 ft430 sx
9.625"4,790 ft2,015 sx
7"11,297 ft950 sx

Permit History (1)

Applications (1)

#537569 A EOG RESOURCES, INC.
received 2003-10-15

Records & Logs

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

W-2/G-1 2004-04-19 log on file
W-2/G-1 2005-01-11
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 UPTON County.

Well Details

Well Number
9H
Max Depth
12,000 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2004-02-26

Operator

Location
MIDLAND
P-5 Status
Active (filed 2025-10-02)
Cum Oil (all leases)
1,173,982,199 bbl
Cum Gas (all leases)
7,415,222,256 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
16,264