42-461-34248

PRODUCING Horizontal

HALFF ESTATE 20

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

Permits

1

Max Depth

12,600 ft

First Permit

2002-02-01

Latest Activity

2002-02-01

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2002-04-30

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2002-04

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 (4) Elevation 2,674 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 4,385 ft-1,711 ft
SPRABERRY 7,552 ft-4,878 ft
WOLFCAMP 8,149 ft-5,475 ft
DEVONIAN 10,715 ft-8,041 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
11,223–14,910 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"540 ft445 sx
9.625"4,695 ft
7.625"10,894 ft635 sx

Permit History (1)

Applications (1)

#517273 A EOG RESOURCES, INC.
received 2002-02-01

Records & Logs

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

W-2/G-1 2002-05-23 log on file
W-2/G-1 2002-08-12
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
8H
Max Depth
12,600 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2002-04-30

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