WELL · 42-287-32501 · DISTRICT 3

Gerdes Development Co. #4

Y

Lee County · Noack Cow Herd (3460) field · Producing  · Vertical

Gerdes Development CO. #4 (API 42-287-32501) is a well in Lee County operated by Ernest Operating Company, completed November 5, 1998 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 3, 1998, permitted to 4,001 ft.

It was permitted by Bar-Mac Investments Inc. and has since transferred to Ernest Operating Company on the wellbore schedule.

Completion filings report 2 formation tops, including Midway, Navarro.

Its lease has reported 24.8K barrels of oil and 31.3K mcf of gas since November 1998, last reporting in July 2026.

Operator of record

Ernest Operating Company

Permitted by Bar-Mac Investments Inc.; the EWA schedule now lists a different operator.

Rockdale, TX · P-5 Y, filed Jan 4, 2026 · 32 permits on file · (512) 446-3855

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleErnest Operating Company
Production reportsErnest Operating Companythrough Apr 2026
Latest permitBar-Mac Investments Inc.Jul 3, 1998

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

4,001
total depth, ft
1
permits on file
Jul 3, 1998
last permit issued
Nov 5, 1998
completed
24.8K
cumulative oil, bbl
31.3K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 1998 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 5, 1998
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

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
Gerdes Development Co. O-3-23614Noack Cow Herd (3460)Ernest Operating Company124.8K31.3KNov 1998 – Jul 2026

Oil, barrels lease total

Last 12 months 482 · prior 12 460(+5%)

050100202420252026

Gas, mcf lease total

Last 12 months 1,616 · prior 12 879(+84%)

0100200202420252026

Chain of custody

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

  1. 1Bar-Mac Investments Inc.Nov 1998 → Jan 2017
  2. 2Ernest Operating CompanyFeb 2017 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
477715-99DrillBar-Mac Investments Inc.Jul 3, 1998Jul 3, 1998Jul 6, 19984,001

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-3-23614————

Formation tops

As filed on W-2/G-1. Subsea from 364 ft elevation.Download CSV →

FormationMD ftSubsea
Midway2,920-2,556
NavarroNAVARRO "A"3,250-2,886
NavarroNAVARRO "B"3,380-3,016

Perforations

Perforated and open-hole intervals.

FromToType
3,3883,400Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62553012.25335 S
5.53,5527.875520 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
00Feb 4, 1999Dec 17, 1998Yes
00Jan 29, 1999——

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/28732501, documented in the API reference.