WELL · 42-183-30639 · DISTRICT 6

Killingsworth #1

N

Gregg County · Willow Springs W.(tr. Pk.) field  · Vertical

Killingsworth #1 (API 42-183-30639) is a well in Gregg County operated by Tanos Exploration LLC, completed June 7, 1985.

The RRC has issued 2 drilling permits (amended once) between 1984 and 2002, permitted to 8,600 ft.

It was permitted by Eog Resources, Inc. and has since transferred to Tanos Exploration LLC on the wellbore schedule.

Completion filings report 6 formation tops, including B. Mass. Anhydrite, B.Mass.Anhydrite, Henderson, Rodessa.

No lease production has been reported under this well’s leases.

Operator of record

Tanos Exploration LLC

Permitted by EOG Resources, Inc.; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Aug 4, 2025 · 35 permits on file · (855) 275-7017

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTanos Exploration LLC
Production reportsAmplify Energy Operating LLCthrough Feb 2019
Latest permitEOG Resources, Inc.Dec 17, 2002

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

8,600
total depth, ft
3
permits on file
Dec 17, 2002
last permit issued
Jun 7, 1985
completed
0
cumulative oil, bbl
581K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 7, 1985
Shut in
—
Plugged
—

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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
McKinley 'E' Gas Unit G-6-195462Willow Springs (Henderson)Eqv Operating LLC10273KDec 2002 – Jul 2026
McKinley 'E' Gas Unit G-6-195463Willow Springs (Rodessa)Eqv Operating LLC100Jan 2003 – Jul 2026
Killingsworth G-6-117046Willow Springs, W.(tr. Pk.)EOG Resources, Inc.10308KJan 1993 – Apr 2009

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. 1OXY USA Inc.Jan 1993 → Jan 2000
  2. 2EOG Resources, Inc.Feb 2000 → Aug 2010
  3. 3Tanos Exploration, LLCSep 2010 → Oct 2013
  4. 4Memorial Production Oper. LLCNov 2013 → May 2017
  5. 5Amplify Energy Operating LLCJun 2017 → Feb 2019

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
526475-99RecompletionEOG Resources, Inc.Dec 17, 2002Dec 17, 2002Dec 14, 20028,600
250255-98Field transferOXY USA Inc.Apr 12, 1989Aug 31, 1984—8,000
250255-99DrillCities Service Oil & Gas Corp.Sep 10, 1984Aug 31, 1984Oct 5, 19848,600

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-6-117046————
—— G-6-195462————
—— G-6-195463————

Formation tops

As filed on W-2/G-1. Subsea from 421 ft elevation.Download CSV →

FormationMD ftSubsea
B. Mass. Anhydrite6,698-6,277
B.mass.anhydrite6,698-6,277
Henderson6,872-6,451
Rodessa6,957-6,536
PettitPETTET7,394-6,973
Travis Peak7,578-7,157

Perforations

Perforated and open-hole intervals.

FromToType
6,8726,874Perforated
6,8726,888Perforated
6,8846,888Perforated
6,8986,920Perforated
6,8986,959Perforated
6,9576,959Perforated
7,0407,044Perforated
7,0407,062Perforated
7,0547,062Perforated
7,6677,721Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
1490—14 S
8.6251,26012.25525 S
4.58,0007.875730 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
00May 20, 2011Dec 3, 2010—
00Nov 4, 2003Sep 25, 2003—
00Aug 6, 2003Apr 21, 2003Yes
00Aug 6, 2003Apr 7, 2003Yes
00Jul 16, 2003——
00Jul 12, 1985Jun 27, 1985—
00Jul 11, 1985——

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). 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/18330639, documented in the API reference.