WELL · 42-253-35376 · DISTRICT 7

Railroad Unit #1 R

Y

Jones County · Alyssa-Sadie (Canyon Reef) field · Producing  · Vertical

Railroad Unit #1 R (API 42-253-35376) is a well in Jones County operated by Shidler Mark L. Inc., completed April 12, 2014 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued January 6, 2014, permitted to 4,000 ft.

Completion filings report 10 formation tops, including Leonard, Coleman Junction, Valera Sand - Disposal, Dothan Sand - Disposal.

Its lease has reported 200K barrels of oil and 97 mcf of gas since April 1994, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.

Operator of record

Shidler Mark L. Inc.

Houston, TX · P-5 Y, filed Jul 4, 2026 · 6 permits on file · (713) 252-7746

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleShidler Mark L. Inc.
Production reportsShidler, Mark L., Inc.through Apr 2026
Latest permitShidler, Mark L., Inc.Jan 6, 2014
4,000
total depth, ft
1
permits on file
Jan 6, 2014
last permit issued
Apr 12, 2014
completed
200K
cumulative oil, bbl
97
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 1994 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Apr 12, 2014
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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 lease this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Railroad Unit O-8-27153Alyssa-Sadie (Canyon Reef)Shidler, Mark L., Inc.2200K97Apr 1994 – Jul 2026

Oil, barrels lease total

Last 12 months 1,677 · prior 12 2,099(-20%)

0200400202420252026

Chain of custody

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

  1. 1Hale Oil & Gas PropertiesApr 1994 → Jul 1996
  2. 2Anadarko Minerals, Inc.Aug 1996 → Aug 1999
  3. 3Oklahoma EA II, L.L.C.Sep 1999 → Nov 2004
  4. 4Shidler, Mark L., Inc.Dec 2004 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
775847-99DrillShidler, Mark L., Inc.Dec 17, 2013Jan 6, 2014Jan 14, 20144,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-8-27153————

Formation tops

As filed on W-2/G-1. Subsea from 1,807 ft elevation.Download CSV →

FormationMD ftSubsea
LeonardLEONARD - DISPOSAL1,120687
Coleman Junction1,550257
Valera Sand - Disposal1,650157
Dothan Sand - Disposal1,74364
Frye - Disposal1,950-143
TannehillTANNEHILL - DISPOSAL2,044-237
Bluff Creek Sand - Disposal2,098-291
Flippen Lime - Disposal2,344-537
Hope Lime - Disposal2,500-693
Ellenburger——

Perforations

Perforated and open-hole intervals.

FromToType
3,8623,864Perforated
3,9033,908Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62518212.25125 S
5.54,0457.875360 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 10, 2014Jun 18, 2014Yes

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/25335376, documented in the API reference.