WELL · 42-163-33015 · DISTRICT 1

Harper Ranch #1H

Plugged

Frio County · Pearsall (Austin Chalk) field  · Horizontal

Harper Ranch #1H (API 42-163-33015) is a plugged horizontal well in Frio County, plugged May 18, 2006, last operated by Vermillion Production Inc..

The RRC has issued one drilling permit (amended once), issued February 22, 1991, permitted to 9,535 ft.

It was permitted by Altair Energy Corp. and has since transferred to Vermillion Production Inc. on the wellbore schedule.

Completion filings report one formation top, including Austin Chalk.

Its lease has reported 20.2K barrels of oil and 21 mcf of gas since January 1993, last reporting in June 2007.

Operator of record

Vermillion Production Inc.

Permitted by Altair Energy Corp.; the EWA schedule now lists a different operator.

Pearsall, TX · P-5 Y, filed Oct 4, 2025 · 1 permits on file · (830) 334-4501

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleVermillion Production Inc.
Production reportsBuffco Production Inc.through Mar 2005
Latest permitAltair Energy Corp.Feb 22, 1991

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

9,535
total depth, ft
2
permits on file
Feb 22, 1991
last permit issued
Mar 28, 1991
completed
20.2K
cumulative oil, bbl
21
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2007

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 28, 1991
Shut in
—
Plugged
May 18, 2006

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
Harper Ranch O-1-13004Pearsall (Austin Chalk)Vermillion Production, Inc.120.2K21Jan 1993 – Jun 2007

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

Chain of custody

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

  1. 1Altair Energy Corp.Jan 1993 → Sep 1993
  2. 2Smal Energy CorpOct 1993 → Jul 1995
  3. 3Little & Whyte Operating, Inc.Aug 1995 → Aug 1999
  4. 4Buffco Production Inc.Sep 1999 → Mar 2005

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
385010-98DrillAltair Energy Corp.Apr 5, 1991Feb 22, 1991—9,535
385010-99DrillAltair Energy Corp.Feb 22, 1991Feb 22, 1991Feb 26, 19919,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-13004————

Formation tops

As filed on W-2/G-1. Subsea from 552 ft elevation.Download CSV →

FormationMD ftSubsea
Austin Chalk6,665-6,113

Perforations

Perforated and open-hole intervals.

FromToType
6,6659,535Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62571012.25175 S
5.56,4017.875270 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
00May 14, 1991Apr 15, 1991Yes
00Apr 30, 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/16333015, documented in the API reference.