WELL · 42-373-30653 · DISTRICT 3

Walker M.K. et AL #1

Y

Polk County · Segno (5070) field · Shut IN  · Vertical

Walker M.K. ET AL #1 (API 42-373-30653) is a well in Polk County operated by Drum Oil & Gas Inc., completed October 23, 1986 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued August 15, 1986, permitted to 5,316 ft.

It was permitted by Virlar Exploration, Inc. and has since transferred to Drum Oil & Gas Inc. on the wellbore schedule.

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

Its lease has reported 5.36K barrels of oil and 47 mcf of gas since January 1993, last reporting in July 2026.

Operator of record

Drum Oil & Gas Inc.

Permitted by Virlar Exploration, Inc.; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Jun 4, 2026 · 7 permits on file · (214) 418-9080

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDrum Oil & Gas Inc.
Production reportsShale Oil Co., Inc.through Aug 1999
Latest permitVirlar Exploration, Inc.Aug 15, 1986

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

5,316
total depth, ft
2
permits on file
Aug 15, 1986
last permit issued
Oct 23, 1986
completed
5.36K
cumulative oil, bbl
47
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 23, 1986
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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Walker, M.K. et AL O-3-19455Segno (5070)Drum Oil & Gas, Inc.15.36K47Jan 1993 – Jul 2026

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. 1Coastal Production Company, Inc.May 1993 → Aug 1995
  2. 2Coastal Investments Inc.Sep 1995 → Aug 1996
  3. 3Shale Oil Co., Inc.Aug 1997 → Aug 1999

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
305266-98DrillVirlar Exploration, Inc.Oct 31, 1986Aug 15, 1986—5,316
305266-99DrillVirlar Exploration, Inc.Jul 16, 1986Aug 15, 1986Oct 9, 19865,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-3-19455————

Formation tops

As filed on W-2/G-1. Subsea from 167 ft elevation.Download CSV →

FormationMD ftSubsea
Miocene (undifferentiated)MIOCENE2,375-2,208
Frio3,325-3,158
Vicksburg4,030-3,863
Yegua4,950-4,783

Perforations

Perforated and open-hole intervals.

FromToType
5,0785,082Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62552212.25245 S
4.55,2297.875600 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
00Jan 6, 1987Oct 28, 1986Yes
00Dec 22, 1986——

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/37330653, documented in the API reference.