WELL · 42-261-31349 · DISTRICT 4

Armstrong Tobin #2

N

Kenedy County · Candelaria (J-45) field  · Vertical

Armstrong Tobin #2 (API 42-261-31349) is a well in Kenedy County operated by Headington Oil Company L.P., completed April 6, 2004.

The RRC has issued one drilling permit, issued February 13, 2004, permitted to 10,500 ft.

Completion filings report 4 formation tops, including Miocene (undifferentiated), Catahoula, Frio, Vicksburg.

Its 6 leases have reported 10.2K barrels of oil and 2.76M mcf of gas since April 2004, last reporting in July 2026. The leases carry 7 wells, so these are lease totals, not this well alone.

Operator of record

Headington Oil Company L.P.

Dallas, TX · P-5 Inactive, filed May 31, 2007 · 135 permits on file · (214) 696-0606

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHeadington Oil Company L.P.
Production reportsHeadington Energy Partners, LLCthrough Apr 2026
Latest permitHeadington Oil Company, L.P.Feb 13, 2004

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

10,500
total depth, ft
1
permits on file
Feb 13, 2004
last permit issued
Apr 6, 2004
completed
10.2K
cumulative oil, bbl
2.76M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2004 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Apr 6, 2004
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 6 leases this well is completed on; they carry 7 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Armstrong, Tobin O-4-14172Candelaria (Consolidated)Headington Energy Partners, LLC210.2K20.4KAug 2021 – Jul 2026
Armstrong, Tobin G-4-202846Candelaria (Consolidated)Headington Energy Partners, LLC102.23MApr 2004 – Apr 2025
Armstrong, Tobin G-4-202878Candelaria (J-05)Headington Oil Company, L.P.10442KApr 2004 – Feb 2005
Armstrong, Tobin G-4-202847Candelaria (J-45)Headington Oil Company, L.P.1068.2KApr 2004 – Dec 2004
Armstrong, Tobin G-4-202880Candelaria (J-10)Headington Oil Company, L.P.100Apr 2004 – Dec 2004
Armstrong, Tobin G-4-202881Candelaria(j-18-34)Headington Oil Company, L.P.100Apr 2004 – Dec 2004

Gas, mcf lease total

Last 12 months 14,824 · prior 12 1,953(+659%)

02K4K202420252026

Oil, barrels lease total

Last 12 months 1,873 · prior 12 231(+711%)

0200400600202420252026

Chain of custody

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

  1. 1Headington Oil Company, L.P.Apr 2004 → Mar 2008
  2. 2Headington Oil Company LLCApr 2008 → Jan 2015
  3. 3Headington Energy Partners, LLCFeb 2015 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
542011-99DrillHeadington Oil Company, L.P.Feb 13, 2004Feb 13, 2004Feb 22, 200410,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-202846————
—— G-4-202847————
—— G-4-202878————
—— G-4-202880————
—— G-4-202881————
—— O-4-14172————

Formation tops

As filed on W-2/G-1. Subsea from 35 ft elevation.Download CSV →

FormationMD ftSubsea
Miocene (undifferentiated)MIOCENE-LAGARDO/OAKVILLE325-290
Miocene (undifferentiated)MIOCENE/LAGARTO/OAKVILLE325-290
CatahoulaCATAHOULA-ANAHUAC3,750-3,715
CatahoulaCATAHOULA/ANAHUAC3,750-3,715
CatahoulaCATAHOULA-FRIO4,700-4,665
CatahoulaCATAHOULA/FRIO4,700-4,665
Frio5,600-5,565
Vicksburg——

Perforations

Perforated and open-hole intervals.

FromToType
6,1866,190Open hole
6,6526,660Perforated
8,5818,587Open hole
8,6148,624Open hole
8,9228,926Open hole
9,0709,085Perforated
9,1269,131Perforated
9,1339,140Perforated
9,2059,216Perforated
9,4579,462Perforated
9,6309,650Perforated
9,6769,686Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,40212.25700 S
4.59,7278.5520 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
00Sep 18, 2026Aug 11, 2026—
00Oct 7, 2025Jun 27, 2025—
00Apr 15, 2025Apr 3, 2025—
00Aug 2, 2005Apr 1, 2005—
00Oct 8, 2004Aug 6, 2004Yes
00Sep 28, 2004Aug 6, 2004Yes
00Aug 23, 2004——
00Aug 19, 2004——

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/26131349, documented in the API reference.