WELL · 42-177-31812 · DISTRICT 1

Lester-Bruns Unit #1

Y

Gonzales County · Christian (6800) field · Producing  · Horizontal

Lester-Bruns Unit #1 (API 42-177-31812) is a horizontal well in Gonzales County operated by Modern Exploration Inc., completed December 19, 1990 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued September 21, 1990, permitted to 11,969 ft.

It was permitted by Union Pacific Resources Company and has since transferred to Modern Exploration Inc. on the wellbore schedule.

Completion filings report 5 formation tops, including Midway, Navarro, Olmos, Anacacho.

Its lease has reported 88.6K barrels of oil and 24.3K mcf of gas since January 1993, last reporting in July 2026.

Operator of record

Modern Exploration Inc.

Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.

Sherman, TX · P-5 Y, filed May 4, 2026 · 195 permits on file · (903) 893-1129

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleModern Exploration Inc.
Production reportsModern Exploration, Inc.through Apr 2026
Latest permitUnion Pacific Resources CompanySep 21, 1990

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

11,969
total depth, ft
3
permits on file
Sep 21, 1990
last permit issued
Dec 19, 1990
completed
88.6K
cumulative oil, bbl
24.3K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 19, 1990
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
Lester-Bruns Unit O-1-13193Christian (6800)Modern Exploration, Inc.188.6K24.3KJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 1,223 · prior 12 676(+81%)

0200400202420252026

Chain of custody

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

  1. 1Union Pacific Resources CompanyJan 1993 → Mar 1993
  2. 2Torch Operating CompanyApr 1993 → Nov 1994
  3. 3Lacy, J. W., Jr.Dec 1994 → Dec 2007
  4. 4Lacy 03, LLCJan 2008 → Sep 2010
  5. 5Modern Exploration, Inc.Oct 2010 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
378316-97DrillUnion Pacific Resources CompanySep 18, 1991Sep 21, 1990—11,969
378316-98DrillUnion Pacific Resources CompanyNov 1, 1990Sep 21, 1990—10,000
378316-99DrillUnion Pacific Resources CompanySep 21, 1990Sep 21, 1990Oct 5, 199010,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-13193————

Formation tops

As filed on W-2/G-1. Subsea from 309 ft elevation.Download CSV →

FormationMD ftSubsea
Midway6,006-5,697
Navarro7,096-6,787
Olmos7,706-7,397
Anacacho8,593-8,284
Austin Chalk8,720-8,411

Perforations

Perforated and open-hole intervals.

FromToType
8,83511,969Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,00117.5875 S
9.6258,83512.25250 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
00Aug 22, 1991Jan 9, 1991Yes
00Aug 19, 1991——

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/17731812, documented in the API reference.