WELL · 42-021-31567 · DISTRICT 1

Koi Unit #1

Y

Bastrop County · Ross Lee (Austin Chalk) field · Shut IN  · Vertical

Koi Unit #1 (API 42-021-31567) is a well in Bastrop County operated by United Operating LLC, completed August 8, 2007 and listed as shut in on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued April 5, 2005, permitted to 3,750 ft.

It was permitted by Stratco Operating CO., Inc. and has since transferred to United Operating LLC on the wellbore schedule.

Completion filings report 2 formation tops, including Serpentine, Austin Chalk.

Its lease has reported 127 barrels of oil since August 2007, last reporting in July 2026.

Operator of record

United Operating LLC

Permitted by Stratco Operating Co., Inc.; the EWA schedule now lists a different operator.

Austin, TX · P-5 Y, filed May 29, 2025 · 5 permits on file · (512) 203-5377

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUnited Operating LLC
Production reportsJMR Resources LLCthrough Jun 2010
Latest permitStratco Operating Co., Inc.Apr 5, 2005

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

3,750
total depth, ft
2
permits on file
Apr 5, 2005
last permit issued
Aug 8, 2007
completed
127
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2007 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 8, 2007
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Delinquent

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
Koi Unit O-1-14842Ross Lee (Austin Chalk)United Operating, LLC11270Aug 2007 – Jul 2026

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. 1Stratco Operating Co., Inc.Aug 2007 → Dec 2008
  2. 2JMR Resources LLCMay 2009 → Jun 2010

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
559988-98DrillStratco Operating Co., Inc.Aug 15, 2007Apr 5, 2005May 12, 20053,750
559988-99DrillBedford Oil & Gas, Inc.Apr 5, 2005Apr 5, 2005May 12, 20053,750

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-14842————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Serpentine3,000
Austin Chalk3,178

Perforations

Perforated and open-hole intervals.

FromToType
3,1783,258Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62556712.25235 S
5.52,9907.875320 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
00Sep 24, 2007Aug 16, 2007Yes
00Sep 21, 2007——

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/02131567, documented in the API reference.