42-461-30581

Final Completion

HALFF ESTATE

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

Permits

1

Max Depth

11,703 ft

First Permit

1988-10-10

Latest Activity

1988-10-10

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1982-09-01

Shut-In

Plugged

2003-10-17

!

EWA / Permit operator mismatch

Scheduling: EOG RESOURCES INC. ≠ Permit: TERRA RESOURCES, INC.

Resolved via: schedulingEOG RESOURCES INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2008-03

Lease Production

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

Formation Tops (6) Elevation 2,665 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
WOLFCAMP 8,680 ft-6,015 ft
STRAWN 9,670 ft-7,005 ft
BEND 10,000 ft-7,335 ft
DEVONIAN 10,726 ft-8,061 ft
FUSSELMAN 11,506 ft-8,841 ft
MONTOYA 11,615 ft-8,950 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 (4)

IntervalType
8,871–9,461 ftPerforated
9,677–9,683 ftPerforated
9,693–9,701 ftPerforated
10,989–? ftPerforated

Casing (4)

SizeSet DepthCement
13.375"389 ft425 sx
9.625"4,520 ft250 sx
2.875"9,633 ft
5.5"11,702 ft1,400 sx

Permit History (1)

Applications (1)

#352111 A TERRA RESOURCES, INC.
received 1988-10-10

Records & Logs

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

W-2/G-1 1988-10-26 log on file
W-2/G-1 1988-11-09
W-2/G-1 1982-12-02
W-2/G-1 1977-02-07
W-2/G-1 1984-01-12
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
2
Max Depth
11,703 ft
Drill Type
Vertical
County
UPTON
District
7
Completed
1982-09-01

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