WELL · 42-287-30244 · DISTRICT 3

Tarwater #1

N

Lee County · Noack Cow Herd East (Navarro) field  · Vertical

Tarwater #1 (API 42-287-30244) is a well in Lee County operated by Ernest Oil Company, completed March 12, 1978.

The RRC has issued one drilling permit, issued November 14, 1977, permitted to 3,650 ft.

Its lease has reported 366K barrels of oil and 114K mcf of gas since January 1993, last reporting in July 2026. The lease carries 21 wells, so these are lease totals, not this well alone.

Operator of record

Ernest Oil Company

Based in
Rockdale, TX
P-5 status
Inactive (I)
P-5 last filed
Feb 26, 1991
Permits on file
74
Phone
(512) 446-3574

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleErnest Oil Company
Production reportsErnest Operating Companythrough Apr 2026
Latest permitErnest Oil CompanyNov 14, 1977

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

3,650
total depth, ft
1
permits on file
Nov 14, 1977
last permit issued
Mar 12, 1978
completed
366K
cumulative oil, bbl
114K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 12, 1978
Shut in
—
Plugged
—

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 21 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Tarwater O-3-12505Noack Cow Herd, East (Navarro)Ernest Operating Company21366K114KJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 5,925 · prior 12 5,959(-1%)

05001K202420252026

Gas, mcf lease total

Last 12 months 1,397 · prior 12 1,003(+39%)

0100200202420252026

Chain of custody

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

  1. 1Ernest Operating CompanyJan 1993 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
11921-99DrillErnest Oil CompanyNov 14, 1977Nov 14, 1977—3,650

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-3-12505————

Perforations

Perforated and open-hole intervals.

FromToType
3,3363,350Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62513012.2583 S
2.3753,200——
2.3753,295——
4.53,4507.875619 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 12, 1984May 6, 1982—
00Jan 12, 1984Apr 13, 1978—

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/28730244, documented in the API reference.