WELL · 42-293-30680 · DISTRICT 5

Mallard John #4

Plugged

Limestone County · Wortham field  · Vertical

Mallard John #4 (API 42-293-30680) is a plugged well in Limestone County, plugged September 8, 1993, last operated by Quanico Oil & Gas Inc..

The RRC has issued one drilling permit, issued July 5, 1983, permitted to 3,200 ft.

It was permitted by Lincoln Oil & Gas and has since transferred to Quanico Oil & Gas Inc. on the wellbore schedule.

Completion filings report 4 formation tops, including Nacatoch, Austin Chalk, Eagle Ford, Woodbine.

Operator of record

Quanico Oil & Gas Inc.

Permitted by Lincoln Oil & Gas; the EWA schedule now lists a different operator.

EL Dorado, AR · P-5 Y, filed Oct 4, 2025 · 18 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleQuanico Oil & Gas Inc.
Production reportsnone
Latest permitLincoln Oil & GasJul 5, 1983

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

3,200
total depth, ft
1
permits on file
Jul 5, 1983
last permit issued
Jul 22, 1983
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 1994

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 22, 1983
Shut in
—
Plugged
Sep 8, 1993

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
Mallard, John O-5-2537WorthamQuanico Oil & Gas, Inc.100Jan 1993 – Mar 1994

No volumes reported on these leases in the last three years.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
201028-99DrillLincoln Oil & GasSep 12, 1983Jul 5, 1983—3,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-5-2537————

Formation tops

As filed on W-2/G-1. Subsea from 465 ft elevation.Download CSV →

FormationMD ftSubsea
Nacatoch1,400-935
Austin Chalk2,400-1,935
Eagle Ford2,625-2,160
Woodbine2,875-2,410

Perforations

Perforated and open-hole intervals.

FromToType
3,0603,080Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62512912.2550 S
5.53,2007.875—

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 24, 1992Feb 3, 1992—
00Apr 23, 1984Sep 26, 1983—
00Apr 15, 1984Sep 26, 1983—

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

71K
bbl, last 12 reported months
1.58M
bbl, all reported
Mar 1994
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000051088H-1 InjectionPlugged Feb 7, 1994002,598–0

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 71,000 · prior 12 244,000(-71%)

010K20K30K19931994

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/29330680, documented in the API reference.