TEXAS · WELLS · DICKENS COUNTY · DUDENSING UNIT LEASE · API 42-125-30774 · DISTRICT 7B

Dudensing Unit #1

Plugged

Dickens County · Soldier Mound (Tannehill) field  · Vertical

Dudensing Unit #1 (API 42-125-30774) is a plugged well in Dickens County, plugged October 25, 2016, last operated by Schalk Oil Company Inc..

The RRC has issued one drilling permit, issued December 13, 2001, permitted to 5,200 ft.

Completion filings report 3 formation tops, including Dolthum Lime, Croton Lime, Tannehill.

Its lease has reported 151K barrels of oil and 11K mcf of gas since January 2002, last reporting in December 2016.

Operator of record

Schalk Oil Company Inc.

Based in
Wichita Falls, TX
P-5 status
Active (A)
P-5 last filed
Jun 3, 2026
Permits on file
184
Phone
(940) 322-3424

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSchalk Oil Company Inc.
Production reportsSchalk Oil Company, Inc.through Nov 2014
Latest permitSchalk Oil Company, Inc.Dec 13, 2001
5,200
total depth, ft
1
permits on file
Dec 13, 2001
last permit issued
Jan 21, 2002
completed
151K
cumulative oil, bbl
11K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2002 THROUGH Dec 2016

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jan 21, 2002
Shut in
—
Plugged
Oct 25, 2016

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Dudensing Unit O-11-68394Soldier Mound (Tannehill)Schalk Oil Company, Inc.1151K11KJan 2002 – Dec 2016

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. 1Schalk Oil Company, Inc.Jan 2002 → Nov 2014

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
515967-99DrillSchalk Oil Company, Inc.Dec 10, 2001Dec 13, 2001Dec 20, 20015,200

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 21, 2002Dudensing Unit O-11-68394Soldier Mound (Tannehill)Schalk Oil Company Inc.Plugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,300 ft elevation.Download CSV →

FormationMD ftSubsea
Dolthum Lime4,510-2,210
Croton Lime4,850-2,550
TannehillLOWER TANNEHILL4,900-2,600

Perforations

Perforated and open-hole intervals.

FromToType
4,9084,916Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37525617.5285 S
8.62573612.25265 S
5.55,1128.625300 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
00Mar 7, 2002Jan 31, 2002Yes
00Feb 19, 2002——

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/12530774, documented in the API reference.