WELL · 42-395-31793 · DISTRICT 3

Onah #1H

Y

Robertson County · Giddings (Austin Chalk-3) field · Producing  · Horizontal

Onah #1H (API 42-395-31793) is a horizontal well in Robertson County operated by Williams Oil Company, completed July 31, 2011 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 31, 2011, permitted to 7,500 ft.

It was permitted by Lama Energy, L.L.C. and has since transferred to Williams Oil Company on the wellbore schedule.

Completion filings report 3 formation tops, including Austin Chalk, Eagle Ford, False Buda.

Its lease has reported 174K barrels of oil and 93.5K mcf of gas since July 2011, last reporting in July 2026.

Operator of record

Williams Oil Company

Permitted by Lama Energy, L.L.C.; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Oct 4, 2025 · 177 permits on file · (432) 967-1359

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleWilliams Oil Company
Production reportsWilliams Oil Companythrough Apr 2026
Latest permitLama Energy, L.L.C.Mar 31, 2011

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

7,500
total depth, ft
1
permits on file
Mar 31, 2011
last permit issued
Jul 31, 2011
completed
174K
cumulative oil, bbl
93.5K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 31, 2011
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
Onah O-3-25747Giddings (Austin Chalk-3)Williams Oil Company1174K93.5KJul 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 9,665 · prior 12 14,209(-32%)

02K4K202420252026

Gas, mcf lease total

Last 12 months 6,530 · prior 12 8,378(-22%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Lama Energy, L.L.C.Aug 2011 → May 2024
  2. 2Williams Oil CompanyJun 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
712942-99DrillLama Energy, L.L.C.Mar 28, 2011Mar 31, 2011Jun 15, 20117,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-3-25747————

Formation tops

As filed on W-2/G-1. Subsea from 246 ft elevation.Download CSV →

FormationMD ftSubsea
Austin Chalk6,605-6,359
Eagle FordEAGLEFORD6,797-6,551
False Buda7,200-6,954

Perforations

Perforated and open-hole intervals.

FromToType
6,64210,009Open hole
7,26310,290Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6251,04512.25515 S
73,2658.75500 S
77,3638.75425 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
00Apr 24, 2012Sep 15, 2011Yes

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/39531793, documented in the API reference.