WELL · 42-181-30623 · DISTRICT 9

Herrin-Holliday Unit #1

N

Grayson County · Swick (Dornick Hills) field  · Vertical

Herrin-Holliday Unit #1 (API 42-181-30623) is a well in Grayson County operated by Harper Wayne, completed May 20, 1978.

The RRC has issued 2 drilling permits in 1978, permitted to 7,500 ft.

Completion filings report 2 formation tops, including Base Trinity, Dornick Hills.

Its 2 leases have reported 23.1K barrels of oil and 21 mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Harper Wayne

Based in
Dallas, TX
P-5 status
Inactive (I)
P-5 last filed
Mar 9, 2010
Permits on file
171
Phone
(214) 363-6794

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHarper Wayne
Production reportsBKM Productionthrough Apr 2026
Latest permitHarper, WayneOct 16, 1978

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

7,500
total depth, ft
2
permits on file
Oct 16, 1978
last permit issued
May 20, 1978
completed
23.1K
cumulative oil, bbl
21
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 20, 1978
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Herrin-Holliday Unit O-13-19098Swick (5400)BKM Production123.1K21Jan 1993 – Jul 2026
Herrin-Holliday Unit O-13-18910Swick (Dornick Hills)Harper, Wayne100Jan 1993 – Apr 2005

Oil, barrels lease total

Last 12 months 637 · prior 12 685(-7%)

050100202420252026

Chain of custody

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

  1. 1Harper, WayneJan 1993 → Nov 2004
  2. 2Bend Petroleum Corp.Dec 2004 → Nov 2023
  3. 3Kodiak Oil & Gas, Inc.Dec 2023 → Jun 2024
  4. 4BKM ProductionJul 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
34645-99RecompletionHarper, WayneOct 16, 1978Oct 16, 1978—5,500
21158-99DrillHarper, WayneMar 31, 1978Mar 31, 1978—7,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-13-18910————
—— O-13-19098————

Formation tops

As filed on W-2/G-1. Subsea from 787 ft elevation.Download CSV →

FormationMD ftSubsea
Base Trinity2,250-1,463
Dornick Hills6,148-5,361

Perforations

Perforated and open-hole intervals.

FromToType
5,4505,462Perforated
6,1486,158Perforated
—5,462Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62551812.25370 S
5.56,5207.875400 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 7, 2005Mar 30, 2005—
00Jan 12, 1984Oct 23, 1978—
00Jan 12, 1984——

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/18130623, documented in the API reference.