WELL · 42-255-31569 · DISTRICT 2

Slaughter Gas Unit 1 #1

Y

Karnes County · Speary (Edwards) field · Producing  · Horizontal

Slaughter Gas Unit 1 #1 (API 42-255-31569) is a horizontal well in Karnes County operated by Repsol Oil & Gas USA LLC, completed May 1, 2009 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended 3 times), issued December 7, 2007, permitted to 13,715 ft.

It was permitted by Enduring Resources, LLC and has since transferred to Repsol Oil & Gas USA LLC on the wellbore schedule.

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

No lease production has been reported under this well’s leases.

Operator of record

Repsol Oil & Gas USA LLC

Permitted by Enduring Resources, LLC; the EWA schedule now lists a different operator.

Based in
The Woodlands, TX
P-5 status
Active (A)
P-5 last filed
Apr 22, 2026
Permits on file
189
Phone
(832) 442-1000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleRepsol Oil & Gas USA LLC
Production reportsRepsol Oil & Gas USA, LLCthrough Apr 2026
Latest permitEnduring Resources, LLCMar 13, 2009

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

13,715
total depth, ft
4
permits on file
Mar 13, 2009
last permit issued
May 1, 2009
completed
0
cumulative oil, bbl
4.91M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2009 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 1, 2009
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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
Slaughter Gas Unit 1 G-2-254486Speary (Edwards)Repsol Oil & Gas USA, LLC104.91MApr 2009 – Jul 2026

Gas, mcf lease total

Last 12 months 12,752 · prior 12 28,763(-56%)

010K20K202420252026

Chain of custody

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

  1. 1Enduring Resources, LLCApr 2009 → Nov 2010
  2. 2Talisman Energy USA Inc.Dec 2010 → Jun 2013
  3. 3Statoil Texas Onshore Prop LLCJul 2013 → Apr 2018
  4. 4Equinor Texas Onshore Prop LLCMay 2018 → Nov 2019
  5. 5Repsol Oil & Gas USA, LLCDec 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
650309-96DrillEnduring Resources, LLCMar 11, 2009Mar 13, 2009Feb 14, 200914,500
650309-97DrillEnduring Resources, LLCFeb 25, 2009Dec 7, 2007—14,000
650309-98DrillEnduring Resources, LLCOct 28, 2008Dec 7, 2007—14,000
650309-99DrillEnduring Resources, LLCNov 28, 2007Dec 7, 2007Feb 13, 200913,500

Completions

CompletedLeaseFieldOperatorStatusDepth
May 1, 2009Slaughter Gas Unit 1 G-2-254486Speary (Edwards)Repsol Oil & Gas USA LLCProducing13,715

Formation tops

As filed on W-2/G-1. Subsea from 271 ft elevation.Download CSV →

FormationMD ftSubsea
Austin Chalk13,002-12,731
Edwards13,560-13,289

Perforations

Perforated and open-hole intervals.

FromToType
16,05016,055Perforated
16,05016,057Perforated
16,36016,365Perforated
16,36016,367Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,50012.25850 S
713,7158.75405 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 6, 2010Jul 31, 2009—
00Apr 30, 2010May 27, 2009Yes
00Feb 10, 2010——

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/25531569, documented in the API reference.