TEXAS · WELLS · UPTON COUNTY · API 42-461-30559 · DISTRICT 6E

Halff Estate #1

Plugged

Upton County · Amacker-Tippett (Wolfcamp) field  · Vertical

Halff Estate #1 (API 42-461-30559) is a plugged well in Upton County, plugged May 14, 2015, last operated by Eog Resources Inc..

The RRC has issued one drilling permit, issued September 17, 2013, permitted to 10,140 ft.

It was permitted by Summit Petroleum LLC and has since transferred to Eog Resources Inc. on the wellbore schedule.

Its 2 leases have reported 3.85K barrels of oil and 517K mcf of gas since January 1993, last reporting in September 2021. The leases carry 3 wells, so these are lease totals, not this well alone.

Operator of record

EOG Resources Inc.

Permitted by Summit Petroleum LLC; the EWA schedule now lists a different operator.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Oct 2, 2025
Permits on file
16,348
Phone
(713) 651-7000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsSummit Petroleum LLCthrough May 2013
Latest permitSummit Petroleum LLCSep 17, 2013
10,140
total depth, ft
1
permits on file
Sep 17, 2013
last permit issued
Jul 24, 1976
completed
3.85K
cumulative oil, bbl
517K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2021

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 24, 1976
Shut in
—
Plugged
May 14, 2015

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Kate B G-9-177350Amacker-Tippett (Wolfcamp)Summit Petroleum LLC10139KNov 1999 – Sep 2021
Halff Estate O-9-6952Amacker-Tippett (Wolfcamp)EOG Resources, Inc.23.85K378KJan 1993 – Mar 2008

No volumes reported on these leases in the last three years.

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1American Exploration CompanyJan 1993 → Dec 1996
  2. 2Prospctv Invstmnt & Trdg Co, LtdJan 1997 → Jan 2001
  3. 3EOG Resources, Inc.Feb 2001 → Feb 2012
  4. 4Summit Petroleum LLCMar 2012 → May 2013

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
769472-99RecompletionSummit Petroleum LLCSep 4, 2013Sep 17, 2013—10,140

Completions

CompletedLeaseFieldOperatorStatusDepth
Jul 24, 1976Halff Estate O-9-6952Amacker-Tippett (Wolfcamp)EOG Resources Inc.Plugged—
—Kate B G-9-177350Amacker-Tippett (Wolfcamp)Summit Petroleum LLCPlugged—

Perforations

Perforated and open-hole intervals.

FromToType
8,8188,839Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37540317.5425 S
9.6254,69512500 S
4.510,1388.5950 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jul 11, 2000——
00Jan 12, 1984Aug 30, 1976—

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/46130559, documented in the API reference.